From 6aaedb813fa11ba0679c3051bc2eb28646b9506c Mon Sep 17 00:00:00 2001 From: 3gg <3gg@shellblade.net> Date: Sat, 30 Aug 2025 16:53:58 -0700 Subject: Update to SDL3 --- src/contrib/SDL-3.2.20/test/testautomation_math.c | 3402 +++++++++++++++++++++ 1 file changed, 3402 insertions(+) create mode 100644 src/contrib/SDL-3.2.20/test/testautomation_math.c (limited to 'src/contrib/SDL-3.2.20/test/testautomation_math.c') diff --git a/src/contrib/SDL-3.2.20/test/testautomation_math.c b/src/contrib/SDL-3.2.20/test/testautomation_math.c new file mode 100644 index 0000000..f9e40a3 --- /dev/null +++ b/src/contrib/SDL-3.2.20/test/testautomation_math.c @@ -0,0 +1,3402 @@ +/** + * Math test suite + */ + +#include +#include + +#include +#include +#include "testautomation_suites.h" + +/* ================= Test Constants ================== */ + +/* Range tests parameters */ +#define RANGE_TEST_ITERATIONS 10000000 +#define RANGE_TEST_STEP ((Uint32)(SDL_MAX_UINT32 / RANGE_TEST_ITERATIONS)) + +/* Margin of error for imprecise tests */ +#define EPSILON 1.0E-10 + +/* Euler constant (used in exp/log) */ +#ifndef M_E +#define EULER 2.7182818284590450907955982984276488423347473144531250 +#else +#define EULER M_E +#endif + +#define IS_INFINITY(V) ISINF(V) + +/* Square root of 3 (used in atan2) */ +#define SQRT3 1.7320508075688771931766041234368458390235900878906250 + +/* ================= Test Structs ================== */ + +/** + * Stores a single input and the expected result + */ +typedef struct +{ + double input; + double expected; +} d_to_d; + +/** + * Stores a pair of inputs and the expected result + */ +typedef struct +{ + double x_input, y_input; + double expected; +} dd_to_d; + +/* + NB: You cannot create an array of these structures containing INFINITY or NAN. + On platforms such as OS/2, they are defined as 'extern const double' making them + not compile-time constant. +*/ + +/* ================= Test Helpers ================== */ + +typedef double(SDLCALL *d_to_d_func)(double); +typedef double(SDLCALL *dd_to_d_func)(double, double); + +/** + * Runs all the cases on a given function with a signature double -> double. + * The result is expected to be exact. + * + * \param func_name a printable name for the tested function. + * \param func the function to call. + * \param cases an array of all the cases. + * \param cases_size the size of the cases array. + */ +static int +helper_dtod(const char *func_name, d_to_d_func func, + const d_to_d *cases, const size_t cases_size) +{ + Uint32 i; + for (i = 0; i < cases_size; i++) { + const double result = func(cases[i].input); + SDLTest_AssertCheck(SDL_fabs(result - cases[i].expected) < FLT_EPSILON, + "%s(%f), expected %f, got %f", + func_name, + cases[i].input, + cases[i].expected, result); + } + + return TEST_COMPLETED; +} + +/** + * Runs all the cases on a given function with a signature double -> double. + * Checks if the result between expected +/- EPSILON. + * + * \param func_name a printable name for the tested function. + * \param func the function to call. + * \param cases an array of all the cases. + * \param cases_size the size of the cases array. + */ +static int +helper_dtod_inexact(const char *func_name, d_to_d_func func, + const d_to_d *cases, const size_t cases_size) +{ + Uint32 i; + for (i = 0; i < cases_size; i++) { + const double result = func(cases[i].input); + double diff = result - cases[i].expected; + double max_err = (cases[i].expected + 1.) * EPSILON; + if (diff < 0) { + diff = -diff; + } + if (max_err < 0) { + max_err = -max_err; + } + SDLTest_AssertCheck(diff <= max_err, + "%s(%f), expected %f +/- %g, got %f", + func_name, + cases[i].input, + cases[i].expected, max_err, + result); + } + + return TEST_COMPLETED; +} + +/** + * Runs all the cases on a given function with a signature + * (double, double) -> double. The result is expected to be exact. + * + * \param func_name a printable name for the tested function. + * \param func the function to call. + * \param cases an array of all the cases. + * \param cases_size the size of the cases array. + */ +static int +helper_ddtod(const char *func_name, dd_to_d_func func, + const dd_to_d *cases, const size_t cases_size) +{ + Uint32 i; + for (i = 0; i < cases_size; i++) { + const double result = func(cases[i].x_input, cases[i].y_input); + SDLTest_AssertCheck(result == cases[i].expected, + "%s(%f,%f), expected %f, got %f", + func_name, + cases[i].x_input, cases[i].y_input, + cases[i].expected, result); + } + + return TEST_COMPLETED; +} + +/** + * Runs all the cases on a given function with a signature + * (double, double) -> double. Checks if the result between expected +/- EPSILON. + * + * \param func_name a printable name for the tested function. + * \param func the function to call. + * \param cases an array of all the cases. + * \param cases_size the size of the cases array. + */ +static int +helper_ddtod_inexact(const char *func_name, dd_to_d_func func, + const dd_to_d *cases, const size_t cases_size) +{ + Uint32 i; + for (i = 0; i < cases_size; i++) { + const double result = func(cases[i].x_input, cases[i].y_input); + double diff = result - cases[i].expected; + double max_err = (cases[i].expected + 1.) * EPSILON; + if (diff < 0) { + diff = -diff; + } + if (max_err < 0) { + max_err = -max_err; + } + + SDLTest_AssertCheck(diff <= max_err, + "%s(%f,%f), expected %f +/- %g, got %f", + func_name, + cases[i].x_input, cases[i].y_input, + cases[i].expected, max_err, + result); + } + + return TEST_COMPLETED; +} + +/** + * Runs a range of values on a given function with a signature double -> double + * + * This function is only meant to test functions that returns the input value if it is + * integral: f(x) -> x for x in N. + * + * \param func_name a printable name for the tested function. + * \param func the function to call. + */ +static int +helper_range(const char *func_name, d_to_d_func func) +{ + Uint32 i; + double test_value = 0.0; + + SDLTest_AssertPass("%s: Testing a range of %u values with steps of %" SDL_PRIu32, + func_name, + RANGE_TEST_ITERATIONS, + RANGE_TEST_STEP); + + for (i = 0; i < RANGE_TEST_ITERATIONS; i++, test_value += RANGE_TEST_STEP) { + double result; + /* These are tested elsewhere */ + if (ISNAN(test_value) || ISINF(test_value)) { + continue; + } + + result = func(test_value); + if (result != test_value) { /* Only log failures to save performances */ + SDLTest_AssertCheck(false, + "%s(%.1f), expected %.1f, got %.1f", + func_name, test_value, + test_value, result); + return TEST_ABORTED; + } + } + + return TEST_COMPLETED; +} + +/* ================= Test Case Implementation ================== */ + +/* SDL_floor tests functions */ + +/** + * Inputs: +/-Infinity. + * Expected: Infinity is returned as-is. + */ +static int SDLCALL +floor_infCases(void *args) +{ + double result; + + result = SDL_floor(INFINITY); + SDLTest_AssertCheck(IS_INFINITY(result) && result > 0, + "Floor(%f), expected %f, got %f", + INFINITY, INFINITY, result); + + result = SDL_floor(-INFINITY); + SDLTest_AssertCheck(IS_INFINITY(result) && result < 0, + "Floor(%f), expected %f, got %f", + -INFINITY, -INFINITY, result); + + return TEST_COMPLETED; +} + +/** + * Inputs: +/-0.0. + * Expected: Zero is returned as-is. + */ +static int SDLCALL +floor_zeroCases(void *args) +{ + const d_to_d zero_cases[] = { + { 0.0, 0.0 }, + { -0.0, -0.0 } + }; + return helper_dtod("Floor", SDL_floor, zero_cases, SDL_arraysize(zero_cases)); +} + +/** + * Input: NAN. + * Expected: NAN is returned. + */ +static int SDLCALL +floor_nanCase(void *args) +{ + const double result = SDL_floor(NAN); + SDLTest_AssertCheck(ISNAN(result), + "Floor(nan), expected nan, got %f", + result); + return TEST_COMPLETED; +} + +/** + * Inputs: integral values. + * Expected: the input value is returned as-is. + */ +static int SDLCALL +floor_roundNumbersCases(void *args) +{ + const d_to_d round_cases[] = { + { 1.0, 1.0 }, + { -1.0, -1.0 }, + { 15.0, 15.0 }, + { -15.0, -15.0 }, + { 125.0, 125.0 }, + { -125.0, -125.0 }, + { 1024.0, 1024.0 }, + { -1024.0, -1024.0 } + }; + return helper_dtod("Floor", SDL_floor, round_cases, SDL_arraysize(round_cases)); +} + +/** + * Inputs: fractional values. + * Expected: the lower integral value is returned. + */ +static int SDLCALL +floor_fractionCases(void *args) +{ + const d_to_d frac_cases[] = { + { 1.0 / 2.0, 0.0 }, + { -1.0 / 2.0, -1.0 }, + { 4.0 / 3.0, 1.0 }, + { -4.0 / 3.0, -2.0 }, + { 76.0 / 7.0, 10.0 }, + { -76.0 / 7.0, -11.0 }, + { 535.0 / 8.0, 66.0 }, + { -535.0 / 8.0, -67.0 }, + { 19357.0 / 53.0, 365.0 }, + { -19357.0 / 53.0, -366.0 } + }; + return helper_dtod("Floor", SDL_floor, frac_cases, SDL_arraysize(frac_cases)); +} + +/** + * Inputs: values in the range [0, UINT32_MAX]. + * Expected: the input value is returned as-is. + */ +static int SDLCALL +floor_rangeTest(void *args) +{ + return helper_range("Floor", SDL_floor); +} + +/* SDL_ceil tests functions */ + +/** + * Inputs: +/-Infinity. + * Expected: Infinity is returned as-is. + */ +static int SDLCALL +ceil_infCases(void *args) +{ + double result; + + result = SDL_ceil(INFINITY); + SDLTest_AssertCheck(IS_INFINITY(result) && result > 0, + "Ceil(%f), expected %f, got %f", + INFINITY, INFINITY, result); + + result = SDL_ceil(-INFINITY); + SDLTest_AssertCheck(IS_INFINITY(result) && result < 0, + "Ceil(%f), expected %f, got %f", + -INFINITY, -INFINITY, result); + + return TEST_COMPLETED; +} + +/** + * Inputs: +/-0.0. + * Expected: Zero is returned as-is. + */ +static int SDLCALL +ceil_zeroCases(void *args) +{ + const d_to_d zero_cases[] = { + { 0.0, 0.0 }, + { -0.0, -0.0 } + }; + return helper_dtod("Ceil", SDL_ceil, zero_cases, SDL_arraysize(zero_cases)); +} + +/** + * Input: NAN. + * Expected: NAN is returned. + */ +static int SDLCALL +ceil_nanCase(void *args) +{ + const double result = SDL_ceil(NAN); + SDLTest_AssertCheck(ISNAN(result), + "Ceil(nan), expected nan, got %f", + result); + return TEST_COMPLETED; +} + +/** + * Inputs: integral values. + * Expected: the input value is returned as-is. + */ +static int SDLCALL +ceil_roundNumbersCases(void *args) +{ + const d_to_d round_cases[] = { + { 1.0, 1.0 }, + { -1.0, -1.0 }, + { 15.0, 15.0 }, + { -15.0, -15.0 }, + { 125.0, 125.0 }, + { -125.0, -125.0 }, + { 1024.0, 1024.0 }, + { -1024.0, -1024.0 } + }; + return helper_dtod("Ceil", SDL_ceil, round_cases, SDL_arraysize(round_cases)); +} + +/** + * Inputs: fractional values. + * Expected: the higher integral value is returned. + */ +static int SDLCALL +ceil_fractionCases(void *args) +{ + const d_to_d frac_cases[] = { + { 1.0 / 2.0, 1.0 }, + { -1.0 / 2.0, -0.0 }, + { 4.0 / 3.0, 2.0 }, + { -4.0 / 3.0, -1.0 }, + { 76.0 / 7.0, 11.0 }, + { -76.0 / 7.0, -10.0 }, + { 535.0 / 8.0, 67.0 }, + { -535.0 / 8.0, -66.0 }, + { 19357.0 / 53.0, 366.0 }, + { -19357.0 / 53.0, -365.0 } + }; + return helper_dtod("Ceil", SDL_ceil, frac_cases, SDL_arraysize(frac_cases)); +} + +/** + * Inputs: values in the range [0, UINT32_MAX]. + * Expected: the input value is returned as-is. + */ +static int SDLCALL +ceil_rangeTest(void *args) +{ + return helper_range("Ceil", SDL_ceil); +} + +/* SDL_trunc tests functions */ + +/** + * Inputs: +/-Infinity. + * Expected: Infinity is returned as-is. + */ +static int SDLCALL +trunc_infCases(void *args) +{ + double result; + + result = SDL_trunc(INFINITY); + SDLTest_AssertCheck(IS_INFINITY(result) && result > 0, + "Trunc(%f), expected %f, got %f", + INFINITY, INFINITY, result); + + result = SDL_trunc(-INFINITY); + SDLTest_AssertCheck(IS_INFINITY(result) && result < 0, + "Trunc(%f), expected %f, got %f", + -INFINITY, -INFINITY, result); + + return TEST_COMPLETED; +} + +/** + * Inputs: +/-0.0. + * Expected: Zero is returned as-is. + */ +static int SDLCALL +trunc_zeroCases(void *args) +{ + const d_to_d zero_cases[] = { + { 0.0, 0.0 }, + { -0.0, -0.0 } + }; + return helper_dtod("Trunc", SDL_trunc, zero_cases, SDL_arraysize(zero_cases)); +} + +/** + * Input: NAN. + * Expected: NAN is returned. + */ +static int SDLCALL +trunc_nanCase(void *args) +{ + const double result = SDL_trunc(NAN); + SDLTest_AssertCheck(ISNAN(result), + "Trunc(nan), expected nan, got %f", + result); + return TEST_COMPLETED; +} + +/** + * Inputs: integral values. + * Expected: the input value is returned as-is. + */ +static int SDLCALL +trunc_roundNumbersCases(void *args) +{ + const d_to_d round_cases[] = { + { 1.0, 1.0 }, + { -1.0, -1.0 }, + { 15.0, 15.0 }, + { -15.0, -15.0 }, + { 125.0, 125.0 }, + { -125.0, -125.0 }, + { 1024.0, 1024.0 }, + { -1024.0, -1024.0 } + }; + return helper_dtod("Trunc", SDL_trunc, round_cases, SDL_arraysize(round_cases)); +} + +/** + * Inputs: fractional values. + * Expected: the integral part is returned. + */ +static int SDLCALL +trunc_fractionCases(void *args) +{ + const d_to_d frac_cases[] = { + { 1.0 / 2.0, 0.0 }, + { -1.0 / 2.0, -0.0 }, + { 4.0 / 3.0, 1.0 }, + { -4.0 / 3.0, -1.0 }, + { 76.0 / 7.0, 10.0 }, + { -76.0 / 7.0, -10.0 }, + { 535.0 / 8.0, 66.0 }, + { -535.0 / 8.0, -66.0 }, + { 19357.0 / 53.0, 365.0 }, + { -19357.0 / 53.0, -365.0 } + }; + return helper_dtod("Trunc", SDL_trunc, frac_cases, SDL_arraysize(frac_cases)); +} + +/** + * Inputs: values in the range [0, UINT32_MAX]. + * Expected: the input value is returned as-is. + */ +static int SDLCALL +trunc_rangeTest(void *args) +{ + return helper_range("Trunc", SDL_trunc); +} + +/* SDL_round tests functions */ + +/** + * Inputs: +/-Infinity. + * Expected: Infinity is returned as-is. + */ +static int SDLCALL +round_infCases(void *args) +{ + double result; + + result = SDL_round(INFINITY); + SDLTest_AssertCheck(IS_INFINITY(result) && result > 0, + "Round(%f), expected %f, got %f", + INFINITY, INFINITY, result); + + result = SDL_round(-INFINITY); + SDLTest_AssertCheck(IS_INFINITY(result) && result < 0, + "Round(%f), expected %f, got %f", + -INFINITY, -INFINITY, result); + + return TEST_COMPLETED; +} + +/** + * Inputs: +/-0.0. + * Expected: Zero is returned as-is. + */ +static int SDLCALL +round_zeroCases(void *args) +{ + const d_to_d zero_cases[] = { + { 0.0, 0.0 }, + { -0.0, -0.0 } + }; + return helper_dtod("Round", SDL_round, zero_cases, SDL_arraysize(zero_cases)); +} + +/** + * Input: NAN. + * Expected: NAN is returned. + */ +static int SDLCALL +round_nanCase(void *args) +{ + const double result = SDL_round(NAN); + SDLTest_AssertCheck(ISNAN(result), + "Round(nan), expected nan, got %f", + result); + return TEST_COMPLETED; +} + +/** + * Inputs: integral values. + * Expected: the input value is returned as-is. + */ +static int SDLCALL +round_roundNumbersCases(void *args) +{ + const d_to_d round_cases[] = { + { 1.0, 1.0 }, + { -1.0, -1.0 }, + { 15.0, 15.0 }, + { -15.0, -15.0 }, + { 125.0, 125.0 }, + { -125.0, -125.0 }, + { 1024.0, 1024.0 }, + { -1024.0, -1024.0 } + }; + return helper_dtod("Round", SDL_round, round_cases, SDL_arraysize(round_cases)); +} + +/** + * Inputs: fractional values. + * Expected: the nearest integral value is returned. + */ +static int SDLCALL +round_fractionCases(void *args) +{ + const d_to_d frac_cases[] = { + { 1.0 / 2.0, 1.0 }, + { -1.0 / 2.0, -1.0 }, + { 4.0 / 3.0, 1.0 }, + { -4.0 / 3.0, -1.0 }, + { 76.0 / 7.0, 11.0 }, + { -76.0 / 7.0, -11.0 }, + { 535.0 / 8.0, 67.0 }, + { -535.0 / 8.0, -67.0 }, + { 19357.0 / 53.0, 365.0 }, + { -19357.0 / 53.0, -365.0 } + }; + return helper_dtod("Round", SDL_round, frac_cases, SDL_arraysize(frac_cases)); +} + +/** + * Inputs: values in the range [0, UINT32_MAX]. + * Expected: the input value is returned as-is. + */ +static int SDLCALL +round_rangeTest(void *args) +{ + return helper_range("Round", SDL_round); +} + +/* SDL_fabs tests functions */ + +/** + * Inputs: +/-Infinity. + * Expected: Positive Infinity is returned. + */ +static int SDLCALL +fabs_infCases(void *args) +{ + double result; + + result = SDL_fabs(INFINITY); + SDLTest_AssertCheck(IS_INFINITY(result) && result > 0, + "Fabs(%f), expected %f, got %f", + INFINITY, INFINITY, result); + + result = SDL_fabs(-INFINITY); + SDLTest_AssertCheck(IS_INFINITY(result) && result > 0, + "Fabs(%f), expected %f, got %f", + -INFINITY, INFINITY, result); + + return TEST_COMPLETED; +} + +/** + * Inputs: +/-0.0. + * Expected: Positive zero is returned. + */ +static int SDLCALL +fabs_zeroCases(void *args) +{ + const d_to_d zero_cases[] = { + { 0.0, 0.0 }, + { -0.0, 0.0 } + }; + return helper_dtod("Fabs", SDL_fabs, zero_cases, SDL_arraysize(zero_cases)); +} + +/** + * Input: NAN. + * Expected: NAN is returned. + */ +static int SDLCALL +fabs_nanCase(void *args) +{ + const double result = SDL_fabs(NAN); + SDLTest_AssertCheck(ISNAN(result), + "Fabs(nan), expected nan, got %f", + result); + return TEST_COMPLETED; +} + +/** + * Inputs: values in the range [0, UINT32_MAX]. + * Expected: the input value is returned as-is. + */ +static int SDLCALL +fabs_rangeTest(void *args) +{ + return helper_range("Fabs", SDL_fabs); +} + +/* SDL_copysign tests functions */ + +/** + * Inputs: (+/-Infinity, +/-1.0). + * Expected: Infinity with the sign of 1.0 is returned. + */ +static int SDLCALL +copysign_infCases(void *args) +{ + double result; + + result = SDL_copysign(INFINITY, -1.0); + SDLTest_AssertCheck(IS_INFINITY(result) && result < 0, + "Copysign(%f,%.1f), expected %f, got %f", + INFINITY, -1.0, -INFINITY, result); + + result = SDL_copysign(INFINITY, 1.0); + SDLTest_AssertCheck(IS_INFINITY(result) && result > 0, + "Copysign(%f,%.1f), expected %f, got %f", + INFINITY, 1.0, INFINITY, result); + + result = SDL_copysign(-INFINITY, -1.0); + SDLTest_AssertCheck(IS_INFINITY(result) && result < 0, + "Copysign(%f,%.1f), expected %f, got %f", + -INFINITY, -1.0, -INFINITY, result); + + result = SDL_copysign(-INFINITY, 1.0); + SDLTest_AssertCheck(IS_INFINITY(result) && result > 0, + "Copysign(%f,%.1f), expected %f, got %f", + -INFINITY, 1.0, INFINITY, result); + + return TEST_COMPLETED; +} + +/** + * Inputs: (+/-0.0, +/-1.0). + * Expected: 0.0 with the sign of 1.0 is returned. + */ +static int SDLCALL +copysign_zeroCases(void *args) +{ + const dd_to_d zero_cases[] = { + { 0.0, 1.0, 0.0 }, + { 0.0, -1.0, -0.0 }, + { -0.0, 1.0, 0.0 }, + { -0.0, -1.0, -0.0 } + }; + return helper_ddtod("Copysign", SDL_copysign, zero_cases, SDL_arraysize(zero_cases)); +} + +/** + * Inputs: (NAN, +/-1.0). + * Expected: NAN with the sign of 1.0 is returned. + * NOTE: On some platforms signed NAN is not supported, so we only check if the result is still NAN. + */ +static int SDLCALL +copysign_nanCases(void *args) +{ + double result; + + result = SDL_copysign(NAN, 1.0); + SDLTest_AssertCheck(ISNAN(result), + "Copysign(nan,1.0), expected nan, got %f", + result); + + result = SDL_copysign(NAN, -1.0); + SDLTest_AssertCheck(ISNAN(result), + "Copysign(nan,-1.0), expected nan, got %f", + result); + return TEST_COMPLETED; +} + +/** + * Inputs: values in the range [0, UINT32_MAX], +/-1.0. + * Expected: the input value with the sign of 1.0 is returned. + */ +static int SDLCALL +copysign_rangeTest(void *args) +{ + Uint32 i; + double test_value = 0.0; + + SDLTest_AssertPass("Copysign: Testing a range of %u values with steps of %" SDL_PRIu32, + RANGE_TEST_ITERATIONS, + RANGE_TEST_STEP); + + for (i = 0; i < RANGE_TEST_ITERATIONS; i++, test_value += RANGE_TEST_STEP) { + double result; + /* These are tested elsewhere */ + if (ISNAN(test_value) || ISINF(test_value)) { + continue; + } + + /* Only log failures to save performances */ + result = SDL_copysign(test_value, 1.0); + if (result != test_value) { + SDLTest_AssertCheck(false, + "Copysign(%.1f,%.1f), expected %.1f, got %.1f", + test_value, 1.0, test_value, result); + return TEST_ABORTED; + } + + result = SDL_copysign(test_value, -1.0); + if (result != -test_value) { + SDLTest_AssertCheck(false, + "Copysign(%.1f,%.1f), expected %.1f, got %.1f", + test_value, -1.0, -test_value, result); + return TEST_ABORTED; + } + } + return TEST_COMPLETED; +} + +/* SDL_fmod tests functions */ + +/** + * Inputs: (+/-Infinity, +/-1.0). + * Expected: NAN is returned. + */ +static int SDLCALL +fmod_divOfInfCases(void *args) +{ + double result; + + result = SDL_fmod(INFINITY, -1.0); + SDLTest_AssertCheck(ISNAN(result), + "Fmod(%f,%.1f), expected %f, got %f", + INFINITY, -1.0, NAN, result); + + result = SDL_fmod(INFINITY, 1.0); + SDLTest_AssertCheck(ISNAN(result), + "Fmod(%f,%.1f), expected %f, got %f", + INFINITY, 1.0, NAN, result); + + result = SDL_fmod(-INFINITY, -1.0); + SDLTest_AssertCheck(ISNAN(result), + "Fmod(%f,%.1f), expected %f, got %f", + -INFINITY, -1.0, NAN, result); + + result = SDL_fmod(-INFINITY, 1.0); + SDLTest_AssertCheck(ISNAN(result), + "Fmod(%f,%.1f), expected %f, got %f", + -INFINITY, 1.0, NAN, result); + + return TEST_COMPLETED; +} + +/** + * Inputs: (+/-1.0, +/-Infinity). + * Expected: 1.0 is returned as-is. + */ +static int SDLCALL +fmod_divByInfCases(void *args) +{ + double result; + + result = SDL_fmod(1.0, INFINITY); + SDLTest_AssertCheck(1.0 == result, + "Fmod(%.1f,%f), expected %f, got %f", + 1.0, INFINITY, 1.0, result); + + result = SDL_fmod(-1.0, INFINITY); + SDLTest_AssertCheck(-1.0 == result, + "Fmod(%.1f,%f), expected %f, got %f", + -1.0, INFINITY, -1.0, result); + + result = SDL_fmod(1.0, -INFINITY); + SDLTest_AssertCheck(1.0 == result, + "Fmod(%.1f,%f), expected %f, got %f", + 1.0, -INFINITY, 1.0, result); + + result = SDL_fmod(-1.0, -INFINITY); + SDLTest_AssertCheck(-1.0 == result, + "Fmod(%.1f,%f), expected %f, got %f", + -1.0, -INFINITY, -1.0, result); + + return TEST_COMPLETED; +} + +/** + * Inputs: (+/-0.0, +/-1.0). + * Expected: Zero is returned as-is. + */ +static int SDLCALL +fmod_divOfZeroCases(void *args) +{ + const dd_to_d zero_cases[] = { + { 0.0, 1.0, 0.0 }, + { 0.0, -1.0, 0.0 }, + { -0.0, 1.0, -0.0 }, + { -0.0, -1.0, -0.0 } + }; + return helper_ddtod("Fmod", SDL_fmod, zero_cases, SDL_arraysize(zero_cases)); +} + +/** + * Inputs: (+/-1.0, +/-0.0). + * Expected: NAN is returned. + */ +static int SDLCALL +fmod_divByZeroCases(void *args) +{ + double result; + + result = SDL_fmod(1.0, 0.0); + SDLTest_AssertCheck(ISNAN(result), + "Fmod(1.0,0.0), expected nan, got %f", + result); + + result = SDL_fmod(-1.0, 0.0); + SDLTest_AssertCheck(ISNAN(result), + "Fmod(-1.0,0.0), expected nan, got %f", + result); + + result = SDL_fmod(1.0, -0.0); + SDLTest_AssertCheck(ISNAN(result), + "Fmod(1.0,-0.0), expected nan, got %f", + result); + + result = SDL_fmod(-1.0, -0.0); + SDLTest_AssertCheck(ISNAN(result), + "Fmod(-1.0,-0.0), expected nan, got %f", + result); + + return TEST_COMPLETED; +} + +/** + * Inputs: all permutation of NAN and +/-1.0. + * Expected: NAN is returned. + */ +static int SDLCALL +fmod_nanCases(void *args) +{ + double result; + + result = SDL_fmod(NAN, 1.0); + SDLTest_AssertCheck(ISNAN(result), + "Fmod(nan,1.0), expected nan, got %f", + result); + + result = SDL_fmod(NAN, -1.0); + SDLTest_AssertCheck(ISNAN(result), + "Fmod(nan,-1.0), expected nan, got %f", + result); + + result = SDL_fmod(1.0, NAN); + SDLTest_AssertCheck(ISNAN(result), + "Fmod(1.0,nan), expected nan, got %f", + result); + + result = SDL_fmod(-1.0, NAN); + SDLTest_AssertCheck(ISNAN(result), + "Fmod(-1.0,nan), expected nan, got %f", + result); + + return TEST_COMPLETED; +} + +/** + * Inputs: values within the domain of the function. + * Expected: the correct result is returned. + */ +static int SDLCALL +fmod_regularCases(void *args) +{ + const dd_to_d regular_cases[] = { + { 3.5, 2.0, 1.5 }, + { -6.25, 3.0, -0.25 }, + { 7.5, 2.5, 0.0 }, + { 2.0 / 3.0, -1.0 / 3.0, 0.0 } + }; + return helper_ddtod("Fmod", SDL_fmod, regular_cases, SDL_arraysize(regular_cases)); +} + +/** + * Inputs: values in the range [0, UINT32_MAX] divided by 1.0. + * Expected: Positive zero is always returned. + */ +static int SDLCALL +fmod_rangeTest(void *args) +{ + Uint32 i; + double test_value = 0.0; + + SDLTest_AssertPass("Fmod: Testing a range of %u values with steps of %" SDL_PRIu32, + RANGE_TEST_ITERATIONS, + RANGE_TEST_STEP); + + for (i = 0; i < RANGE_TEST_ITERATIONS; i++, test_value += RANGE_TEST_STEP) { + double result; + /* These are tested elsewhere */ + if (ISNAN(test_value) || ISINF(test_value)) { + continue; + } + + /* Only log failures to save performances */ + result = SDL_fmod(test_value, 1.0); + if (0.0 != result) { + SDLTest_AssertCheck(false, + "Fmod(%.1f,%.1f), expected %.1f, got %.1f", + test_value, 1.0, 0.0, result); + return TEST_ABORTED; + } + } + return TEST_COMPLETED; +} + +/* SDL_exp tests functions */ + +/** + * Inputs: +/-Infinity. + * Expected: Infinity is returned as-is. + */ +static int SDLCALL +exp_infCases(void *args) +{ + double result; + + result = SDL_exp(INFINITY); + SDLTest_AssertCheck(IS_INFINITY(result) && result > 0, + "Exp(%f), expected %f, got %f", + INFINITY, INFINITY, result); + + result = SDL_exp(-INFINITY); + SDLTest_AssertCheck(0.0 == result, + "Exp(%f), expected %f, got %f", + -INFINITY, 0.0, result); + + return TEST_COMPLETED; +} + +/** + * Inputs: +/-0.0. + * Expected: 1.0 is returned. + */ +static int SDLCALL +exp_zeroCases(void *args) +{ + const d_to_d zero_cases[] = { + { 0.0, 1.0 }, + { -0.0, 1.0 } + }; + return helper_dtod("Exp", SDL_exp, zero_cases, SDL_arraysize(zero_cases)); +} + +/** + * Input: 710.0 (overflows for 64bits double). + * Expected: Infinity is returned. + * NOTE: This test is skipped for double types larger than 64 bits. + */ +static int SDLCALL +exp_overflowCase(void *args) +{ + double result; + + if (sizeof(double) > 8) { + return TEST_SKIPPED; + } + + result = SDL_exp(710.0); + SDLTest_AssertCheck(ISINF(result), + "Exp(%f), expected %f, got %f", + 710.0, INFINITY, result); + return TEST_COMPLETED; +} + +/** + * Input: 1.0 + * Expected: The euler constant. + */ +static int SDLCALL +exp_baseCase(void *args) +{ + const double result = SDL_exp(1.0); + SDLTest_AssertCheck(result >= EULER - EPSILON && + result <= EULER + EPSILON, + "Exp(%f), expected [%f,%f], got %f", + 1.0, EULER - EPSILON, EULER + EPSILON, result); + return TEST_COMPLETED; +} + +/** + * Inputs: values within the domain of the function. + * Expected: the correct result is returned. + */ +static int SDLCALL +exp_regularCases(void *args) +{ + /* Hexadecimal floating constants are not supported on C89 compilers */ + const d_to_d regular_cases[] = { + { -101.0, 1.36853947117385291381565719268793547578002532127613087E-44 }, + { -15.73, 0.00000014741707833928422931856502906683425990763681 }, + { -1.0, 0.36787944117144233402427744294982403516769409179688 }, + { -0.5, 0.60653065971263342426311737654032185673713684082031 }, + { 0.5, 1.64872127070012819416433558217249810695648193359375 }, + { 2.25, 9.48773583635852624240669683786109089851379394531250 }, + { 34.125, 661148770968660.375 }, + { 112.89, 10653788283588960962604279261058893737879589093376.0 }, + { 539.483, 1970107755334319939701129934673541628417235942656909222826926175622435588279443011110464355295725187195188154768877850257012251677751742837992843520967922303961718983154427294786640886286983037548604937796221048661733679844353544028160.0 }, + }; + return helper_dtod_inexact("Exp", SDL_exp, regular_cases, SDL_arraysize(regular_cases)); +} + +/* SDL_log tests functions */ + +/** + * Inputs: Positive Infinity and +/-0.0. + * Expected: Positive and negative Infinity respectively. + */ +static int SDLCALL +log_limitCases(void *args) +{ + double result; + + result = SDL_log(INFINITY); + SDLTest_AssertCheck(IS_INFINITY(result) && result > 0, + "Log(%f), expected %f, got %f", + INFINITY, INFINITY, result); + + result = SDL_log(0.0); + SDLTest_AssertCheck(IS_INFINITY(result) && result < 0, + "Log(%f), expected %f, got %f", + 0.0, -INFINITY, result); + + result = SDL_log(-0.0); + SDLTest_AssertCheck(IS_INFINITY(result) && result < 0, + "Log(%f), expected %f, got %f", + -0.0, -INFINITY, result); + + return TEST_COMPLETED; +} + +/** + * Inputs: 1.0 and the Euler constant. + * Expected: 0.0 and 1.0 respectively. + */ +static int SDLCALL +log_baseCases(void *args) +{ + double result; + + result = SDL_log(1.0); + SDLTest_AssertCheck(0.0 == result, + "Log(%f), expected %f, got %f", + 1.0, 0.0, result); + + result = SDL_log(EULER); + SDLTest_AssertCheck(SDL_fabs(result - 1.) < FLT_EPSILON, + "Log(%f), expected %f, got %f", + EULER, 1.0, result); + + return TEST_COMPLETED; +} + +/** + * Inputs: NAN and a negative value. + * Expected: NAN is returned. + */ +static int SDLCALL +log_nanCases(void *args) +{ + double result; + + result = SDL_log(NAN); + SDLTest_AssertCheck(ISNAN(result), + "Log(%f), expected %f, got %f", + NAN, NAN, result); + + result = SDL_log(-1234.5678); + SDLTest_AssertCheck(ISNAN(result), + "Log(%f), expected %f, got %f", + -1234.5678, NAN, result); + + return TEST_COMPLETED; +} + +/** + * Inputs: values within the domain of the function. + * Expected: the correct result is returned. + */ +static int SDLCALL +log_regularCases(void *args) +{ + const d_to_d regular_cases[] = { + { 5.0, 1.60943791243410028179994242236716672778129577636718750 }, + { 10.0, 2.302585092994045901093613792909309267997741699218750 }, + { 56.32, 4.031049711849786554296315443934872746467590332031250 }, + { 789.123, 6.670922202231861497523368598194792866706848144531250 }, + { 2734.876324, 7.91384149408957959792587644187733530998229980468750 } + }; + return helper_dtod("Log", SDL_log, regular_cases, SDL_arraysize(regular_cases)); +} + +/* SDL_log10 tests functions */ + +/** + * Inputs: Positive Infinity and +/-0.0. + * Expected: Positive and negative Infinity respectively. + */ +static int SDLCALL +log10_limitCases(void *args) +{ + double result; + + result = SDL_log10(INFINITY); + SDLTest_AssertCheck(IS_INFINITY(result) && result > 0, + "Log10(%f), expected %f, got %f", + INFINITY, INFINITY, result); + + result = SDL_log10(0.0); + SDLTest_AssertCheck(IS_INFINITY(result) && result < 0, + "Log10(%f), expected %f, got %f", + 0.0, -INFINITY, result); + + result = SDL_log10(-0.0); + SDLTest_AssertCheck(IS_INFINITY(result) && result < 0, + "Log10(%f), expected %f, got %f", + -0.0, -INFINITY, result); + + return TEST_COMPLETED; +} + +/** + * Inputs: Powers of ten from 0 to 9. + * Expected: the exact power of ten is returned. + */ +static int SDLCALL +log10_baseCases(void *args) +{ + const d_to_d base_cases[] = { + { 1.0, 0.0 }, + { 10.0, 1.0 }, + { 100.0, 2.0 }, + { 1000.0, 3.0 }, + { 10000.0, 4.0 }, + { 100000.0, 5.0 }, + { 1000000.0, 6.0 }, + { 10000000.0, 7.0 }, + { 100000000.0, 8.0 }, + { 1000000000.0, 9.0 }, + }; + return helper_dtod("Log10", SDL_log10, base_cases, SDL_arraysize(base_cases)); +} + +/** + * Inputs: NAN and a negative value. + * Expected: NAN is returned. + */ +static int SDLCALL +log10_nanCases(void *args) +{ + double result; + + result = SDL_log10(NAN); + SDLTest_AssertCheck(ISNAN(result), + "Log10(%f), expected %f, got %f", + NAN, NAN, result); + + result = SDL_log10(-1234.5678); + SDLTest_AssertCheck(ISNAN(result), + "Log10(%f), expected %f, got %f", + -1234.5678, NAN, result); + + return TEST_COMPLETED; +} + +/** + * Inputs: values within the domain of the function. + * Expected: the correct result is returned. + */ +static int SDLCALL +log10_regularCases(void *args) +{ + const d_to_d regular_cases[] = { + { 5.0, 0.698970004336018857493684208748163655400276184082031250 }, + { 12.5, 1.09691001300805646145875016372883692383766174316406250 }, + { 56.32, 1.750662646134055755453573510749265551567077636718750 }, + { 789.123, 2.8971447016351858927407647570362314581871032714843750 }, + { 2734.876324, 3.436937691540090433761633903486654162406921386718750 } + }; + return helper_dtod_inexact("Log10", SDL_log10, regular_cases, SDL_arraysize(regular_cases)); +} + +/* SDL_modf tests functions */ + +static int SDLCALL +modf_baseCases(void *args) +{ + double fractional, integral; + + fractional = SDL_modf(1.25, &integral); + SDLTest_AssertCheck(integral == 1.0, + "modf(%f), expected integral %f, got %f", + 1.25, 1.0, integral); + SDLTest_AssertCheck(fractional == 0.25, + "modf(%f), expected fractional %f, got %f", + 1.25, 0.25, fractional); + + return TEST_COMPLETED; +} + +/* SDL_pow tests functions */ + +/* Tests with positive and negative infinities as exponents */ + +/** + * Inputs: (-1.0, +/-Infinity). + * Expected: 1.0 is returned. + */ +static int SDLCALL +pow_baseNOneExpInfCases(void *args) +{ + double result; + + result = SDL_pow(-1.0, INFINITY); + SDLTest_AssertCheck(1.0 == result, + "Pow(%f,%f), expected %f, got %f", + -1.0, INFINITY, 1.0, result); + + result = SDL_pow(-1.0, -INFINITY); + SDLTest_AssertCheck(1.0 == result, + "Pow(%f,%f), expected %f, got %f", + -1.0, -INFINITY, 1.0, result); + + return TEST_COMPLETED; +} +/** + * Inputs: (+/-0.0, -Infinity). + * Expected: Infinity is returned. + */ +static int SDLCALL +pow_baseZeroExpNInfCases(void *args) +{ + double result; + + result = SDL_pow(0.0, -INFINITY); + SDLTest_AssertCheck(IS_INFINITY(result) && result > 0, + "Pow(%f,%f), expected %f, got %f", + 0.0, -INFINITY, INFINITY, result); + + result = SDL_pow(-0.0, -INFINITY); + SDLTest_AssertCheck(IS_INFINITY(result) && result > 0, + "Pow(%f,%f), expected %f, got %f", + -0.0, -INFINITY, INFINITY, result); + + return TEST_COMPLETED; +} + +/** + * Inputs: (x, +/-Infinity) where x is not +/-0.0. + * Expected: 0.0 when x < 1, Infinity when x > 1. + */ +static int SDLCALL +pow_expInfCases(void *args) +{ + double result; + + result = SDL_pow(0.5, INFINITY); + SDLTest_AssertCheck(0.0 == result, + "Pow(%f,%f), expected %f, got %f", + 0.5, INFINITY, 0.0, result); + + result = SDL_pow(1.5, INFINITY); + SDLTest_AssertCheck(IS_INFINITY(result) && result > 0, + "Pow(%f,%f), expected %f, got %f", + 1.5, INFINITY, INFINITY, result); + + result = SDL_pow(0.5, -INFINITY); + SDLTest_AssertCheck(IS_INFINITY(result) && result > 0, + "Pow(%f,%f), expected %f, got %f", + 0.5, INFINITY, INFINITY, result); + + result = SDL_pow(1.5, -INFINITY); + SDLTest_AssertCheck(0.0 == result, + "Pow(%f,%f), expected %f, got %f", + 1.5, -INFINITY, 0.0, result); + + return TEST_COMPLETED; +} + +/* Tests with positive and negative infinities as base */ + +/** + * Inputs: (Positive Infinity, x) where x is not +/-0.0. + * Expected: 0.0 when x is < 0, positive Infinity when x > 0. + */ +static int SDLCALL +pow_basePInfCases(void *args) +{ + double result; + + result = SDL_pow(INFINITY, -3.0); + SDLTest_AssertCheck(0.0 == result, + "Pow(%f,%f), expected %f, got %f", + INFINITY, -3.0, 0.0, result); + + result = SDL_pow(INFINITY, 2.0); + SDLTest_AssertCheck(IS_INFINITY(result) && result > 0, + "Pow(%f,%f), expected %f, got %f", + INFINITY, 2.0, INFINITY, result); + + result = SDL_pow(INFINITY, -2.12345); + SDLTest_AssertCheck(0.0 == result, + "Pow(%f,%f), expected %f, got %f", + INFINITY, -2.12345, 0.0, result); + + result = SDL_pow(INFINITY, 3.1345); + SDLTest_AssertCheck(IS_INFINITY(result) && result > 0, + "Pow(%f,%f), expected %f, got %f", + INFINITY, 3.12345, INFINITY, result); + + return TEST_COMPLETED; +} + +/** + * Inputs: (Negative Infinity, x) where x is not +/-0.0. + * Expected: + * - -0.0 when x is a negative odd integer, + * - 0.0 when x is a negative even integer or negative non-integer, + * - Negative Infinity when x is a positive odd integer, + * - Positive Infinity when x is a positive even integer or positive non-integer. + */ +static int SDLCALL +pow_baseNInfCases(void *args) +{ + double result; + + result = SDL_pow(-INFINITY, -3.0); + SDLTest_AssertCheck(-0.0 == result, + "Pow(%f,%f), expected %f, got %f", + -INFINITY, -3.0, -0.0, result); + + result = SDL_pow(-INFINITY, -2.0); + SDLTest_AssertCheck(0.0 == result, + "Pow(%f,%f), expected %f, got %f", + -INFINITY, -2.0, 0.0, result); + + result = SDL_pow(-INFINITY, -5.5); + SDLTest_AssertCheck(0.0 == result, + "Pow(%f,%f), expected %f, got %f", + -INFINITY, -5.5, 0.0, result); + + result = SDL_pow(-INFINITY, 3.0); + SDLTest_AssertCheck(IS_INFINITY(result) && result < 0, + "Pow(%f,%f), expected %f, got %f", + -INFINITY, 3.0, -INFINITY, result); + + result = SDL_pow(-INFINITY, 2.0); + SDLTest_AssertCheck(IS_INFINITY(result) && result > 0, + "Pow(%f,%f), expected %f, got %f", + -INFINITY, 2.0, INFINITY, result); + + result = SDL_pow(-INFINITY, 5.5); + SDLTest_AssertCheck(IS_INFINITY(result) && result > 0, + "Pow(%f,%f), expected %f, got %f", + -INFINITY, 5.5, INFINITY, result); + + return TEST_COMPLETED; +} + +/* Tests related to NAN */ + +/** + * Inputs: + * - finite and negative base, + * - finite and non-integer exponent. + * Expected: NAN is returned. + */ +static int SDLCALL +pow_badOperationCase(void *args) +{ + const double result = SDL_pow(-2.0, 4.2); + SDLTest_AssertCheck(ISNAN(result), + "Pow(%f,%f), expected %f, got %f", + -2.0, 4.2, NAN, result); + return TEST_COMPLETED; +} + +/** + * Inputs: (1.0, NAN) + * Expected: 1.0 is returned. + */ +static int SDLCALL +pow_base1ExpNanCase(void *args) +{ + const double result = SDL_pow(1.0, NAN); + SDLTest_AssertCheck(1.0 == result, + "Pow(%f,%f), expected %f, got %f", + 1.0, NAN, 1.0, result); + return TEST_COMPLETED; +} + +/** + * Inputs: (NAN, +/-0.0) + * Expected: 1.0 is returned. + */ +static int SDLCALL +pow_baseNanExp0Cases(void *args) +{ + double result; + + result = SDL_pow(NAN, 0.0); + SDLTest_AssertCheck(1.0 == result, + "Pow(%f,%f), expected %f, got %f", + NAN, 0.0, 1.0, result); + + result = SDL_pow(NAN, -0.0); + SDLTest_AssertCheck(1.0 == result, + "Pow(%f,%f), expected %f, got %f", + NAN, -0.0, 1.0, result); + + return TEST_COMPLETED; +} + +/** + * Inputs: NAN as base, exponent or both. + * Expected: NAN is returned. + */ +static int SDLCALL +pow_nanArgsCases(void *args) +{ + double result; + + result = SDL_pow(7.8, NAN); + SDLTest_AssertCheck(ISNAN(result), + "Pow(%f,%f), expected %f, got %f", + 7.8, NAN, NAN, result); + + result = SDL_pow(NAN, 10.0); + SDLTest_AssertCheck(ISNAN(result), + "Pow(%f,%f), expected %f, got %f", + NAN, 10.0, NAN, result); + + result = SDL_pow(NAN, NAN); + SDLTest_AssertCheck(ISNAN(result), + "Pow(%f,%f), expected %f, got %f", + NAN, NAN, NAN, result); + + return TEST_COMPLETED; +} + +/* Tests with positive and negative zeros as base */ + +/** + * Inputs: (-0.0, x) where x is an odd integer. + * Expected: + * - Negative Infinity with a negative exponent, + * - -0.0 with a positive exponent. + */ +static int SDLCALL +pow_baseNZeroExpOddCases(void *args) +{ + double result; + + result = SDL_pow(-0.0, -3.0); + SDLTest_AssertCheck(IS_INFINITY(result) && result < 0, + "Pow(%f,%f), expected %f, got %f", + -0.0, -3.0, -INFINITY, result); + + result = SDL_pow(-0.0, 3.0); + SDLTest_AssertCheck(-0.0 == result, + "Pow(%f,%f), expected %f, got %f", + -0.0, 3.0, -0.0, result); + + return TEST_COMPLETED; +} + +/** + * Inputs: (0.0, x) where x is an odd integer. + * Expected: + * - 0.0 with a positive exponent, + * - Positive Infinity with a negative exponent. + */ +static int SDLCALL +pow_basePZeroExpOddCases(void *args) +{ + double result; + + result = SDL_pow(0.0, -5.0); + SDLTest_AssertCheck(IS_INFINITY(result) && result > 0, + "Pow(%f,%f), expected %f, got %f", + 0.0, -5.0, INFINITY, result); + + result = SDL_pow(0.0, 5.0); + SDLTest_AssertCheck(0.0 == result, + "Pow(%f,%f), expected %f, got %f", + 0.0, 5.0, 0.0, result); + + return TEST_COMPLETED; +} + +/** + * Inputs: (-0.0, x), with x either: + * - finite and even, + * - finite and non-integer. + * Expected: + * - Positive Infinity if the exponent is negative, + * - 0.0 if the exponent is positive. + */ +static int SDLCALL +pow_baseNZeroCases(void *args) +{ + double result; + + result = SDL_pow(-0.0, -3.5); + SDLTest_AssertCheck(IS_INFINITY(result) && result > 0, + "Pow(%f,%f), expected %f, got %f", + -0.0, -3.5, INFINITY, result); + + result = SDL_pow(-0.0, -4.0); + SDLTest_AssertCheck(IS_INFINITY(result) && result > 0, + "Pow(%f,%f), expected %f, got %f", + -0.0, -4.0, INFINITY, result); + + result = SDL_pow(-0.0, 3.5); + SDLTest_AssertCheck(0.0 == result, + "Pow(%f,%f), expected %f, got %f", + -0.0, 3.5, 0.0, result); + + result = SDL_pow(-0.0, 4.0); + SDLTest_AssertCheck(0.0 == result, + "Pow(%f,%f), expected %f, got %f", + -0.0, 4.0, 0.0, result); + + return TEST_COMPLETED; +} + +/** + * Inputs: (0.0, x), with x either: + * - finite and even, + * - finite and non-integer. + * Expected: + * - Positive Infinity if the exponent is negative, + * - 0.0 if the exponent is positive. + */ +static int SDLCALL +pow_basePZeroCases(void *args) +{ + double result; + + result = SDL_pow(0.0, -3.5); + SDLTest_AssertCheck(IS_INFINITY(result) && result > 0, + "Pow(%f,%f), expected %f, got %f", + 0.0, -3.5, INFINITY, result); + + result = SDL_pow(0.0, -4.0); + SDLTest_AssertCheck(IS_INFINITY(result) && result > 0, + "Pow(%f,%f), expected %f, got %f", + 0.0, -4.0, INFINITY, result); + + result = SDL_pow(0.0, 3.5); + SDLTest_AssertCheck(0.0 == result, + "Pow(%f,%f), expected %f, got %f", + 0.0, 3.5, 0.0, result); + + result = SDL_pow(0.0, 4.0); + SDLTest_AssertCheck(0.0 == result, + "Pow(%f,%f), expected %f, got %f", + 0.0, 4.0, 0.0, result); + + return TEST_COMPLETED; +} + +/* Remaining tests */ + +/** + * Inputs: values within the domain of the function. + * Expected: the correct result is returned. + */ +static int SDLCALL +pow_regularCases(void *args) +{ + const dd_to_d regular_cases[] = { +#if 0 /* These tests fail when using the Mingw C runtime, we'll disable them for now */ + { -391.25, -2.0, 0.00000653267870448815438463212659780943170062528224661946296691894531250 }, + { -72.3, 12.0, 20401381050275984310272.0 }, +#endif + { -5.0, 3.0, -125.0 }, + { 3.0, 2.5, 15.58845726811989607085706666111946105957031250 }, + { 39.23, -1.5, 0.0040697950366865498147972424192175822099670767784118652343750 }, + { 478.972, 12.125, 315326359630449587856007411793920.0 } + }; + return helper_ddtod_inexact("Pow", SDL_pow, regular_cases, SDL_arraysize(regular_cases)); +} + +/** + * Inputs: (2.0, x), with x in range [0, 8]. + * Expected: the correct result is returned. + */ +static int SDLCALL +pow_powerOfTwo(void *args) +{ + const dd_to_d power_of_two_cases[] = { + { 2.0, 1.0, 2.0 }, + { 2.0, 2.0, 4.0 }, + { 2.0, 3.0, 8.0 }, + { 2.0, 4.0, 16.0 }, + { 2.0, 5.0, 32.0 }, + { 2.0, 6.0, 64.0 }, + { 2.0, 7.0, 128.0 }, + { 2.0, 8.0, 256.0 }, + }; + return helper_ddtod("Pow", SDL_pow, power_of_two_cases, SDL_arraysize(power_of_two_cases)); +} + +/** + * Inputs: values in the range [0, UINT32_MAX] to the power of +/-0.0. + * Expected: 1.0 is always returned. + */ +static int SDLCALL +pow_rangeTest(void *args) +{ + Uint32 i; + double test_value = 0.0; + + SDLTest_AssertPass("Pow: Testing a range of %u values with steps of %" SDL_PRIu32, + RANGE_TEST_ITERATIONS, + RANGE_TEST_STEP); + + for (i = 0; i < RANGE_TEST_ITERATIONS; i++, test_value += RANGE_TEST_STEP) { + double result; + /* These are tested elsewhere */ + if (ISNAN(test_value) || ISINF(test_value)) { + continue; + } + + /* Only log failures to save performances */ + result = SDL_pow(test_value, 0.0); + if (result != 1.0) { + SDLTest_AssertCheck(false, + "Pow(%.1f,%.1f), expected %.1f, got %.1f", + test_value, 1.0, 1.0, result); + return TEST_ABORTED; + } + + result = SDL_pow(test_value, -0.0); + if (result != 1.0) { + SDLTest_AssertCheck(false, + "Pow(%.1f,%.1f), expected %.1f, got %.1f", + test_value, -0.0, 1.0, result); + return TEST_ABORTED; + } + } + return TEST_COMPLETED; +} + +/* SDL_sqrt tests functions */ + +/** + * Input: Positive Infinity. + * Expected: Positive Infinity is returned. + */ +static int SDLCALL +sqrt_infCase(void *args) +{ + const double result = SDL_sqrt(INFINITY); + SDLTest_AssertCheck(IS_INFINITY(result) && result > 0, + "Sqrt(%f), expected %f, got %f", + INFINITY, INFINITY, result); + return TEST_COMPLETED; +} + +/** + * Input: NAN. + * Expected: NAN is returned. + */ +static int SDLCALL +sqrt_nanCase(void *args) +{ + const double result = SDL_sqrt(NAN); + SDLTest_AssertCheck(ISNAN(result), + "Sqrt(%f), expected %f, got %f", + NAN, NAN, result); + return TEST_COMPLETED; +} + +/** + * Inputs: values outside the domain of the function. + * Expected: NAN is returned. + */ +static int SDLCALL +sqrt_outOfDomainCases(void *args) +{ + double result; + + result = SDL_sqrt(-1.0); + SDLTest_AssertCheck(ISNAN(result), + "Sqrt(%f), expected %f, got %f", + -1.0, NAN, result); + + result = SDL_sqrt(-12345.6789); + SDLTest_AssertCheck(ISNAN(result), + "Sqrt(%f), expected %f, got %f", + -12345.6789, NAN, result); + + result = SDL_sqrt(-INFINITY); + SDLTest_AssertCheck(ISNAN(result), + "Sqrt(%f), expected %f, got %f", + -INFINITY, NAN, result); + + return TEST_COMPLETED; +} + +/** + * Inputs: +/-0.0 and 1.0. + * Expected: the input value is returned as-is. + */ +static int SDLCALL +sqrt_baseCases(void *args) +{ + const d_to_d base_cases[] = { + { -0.0, -0.0 }, + { 0.0, 0.0 }, + { 1.0, 1.0 } + }; + return helper_dtod("Sqrt", SDL_sqrt, base_cases, SDL_arraysize(base_cases)); +} + +/** + * Inputs: values within the domain of the function. + * Expected: the correct result is returned. + */ +static int SDLCALL +sqrt_regularCases(void *args) +{ + const d_to_d regular_cases[] = { + { 4.0, 2.0 }, + { 9.0, 3.0 }, + { 27.2, 5.21536192416211896727418206864967942237854003906250 }, + { 240.250, 15.5 }, + { 1337.0, 36.565010597564445049556525191292166709899902343750 }, + { 2887.12782400000014604302123188972473144531250, 53.732 }, + { 65600.0156250, 256.125 } + }; + return helper_dtod_inexact("Sqrt", SDL_sqrt, regular_cases, SDL_arraysize(regular_cases)); +} + +/* SDL_scalbn tests functions */ + +/** + * Input: (+/-Infinity, 1). + * Expected: Infinity is returned as-is. + */ +static int SDLCALL +scalbn_infCases(void *args) +{ + double result; + + result = SDL_scalbn(INFINITY, 1); + SDLTest_AssertCheck(IS_INFINITY(result) && result > 0, + "Scalbn(%f,%d), expected %f, got %f", + INFINITY, 1, INFINITY, result); + + result = SDL_scalbn(-INFINITY, 1); + SDLTest_AssertCheck(IS_INFINITY(result) && result < 0, + "Scalbn(%f,%d), expected %f, got %f", + -INFINITY, 1, -INFINITY, result); + + return TEST_COMPLETED; +} + +/** + * Inputs: (+/-0.0, 1). + * Expected: Zero is returned as-is. + */ +static int SDLCALL +scalbn_baseZeroCases(void *args) +{ + double result; + + result = SDL_scalbn(0.0, 1); + SDLTest_AssertCheck(0.0 == result, + "Scalbn(%f,%d), expected %f, got %f", + 0.0, 1, 0.0, result); + + result = SDL_scalbn(-0.0, 1); + SDLTest_AssertCheck(-0.0 == result, + "Scalbn(%f,%d), expected %f, got %f", + -0.0, 1, -0.0, result); + + return TEST_COMPLETED; +} + +/** + * Input: (x, 0) + * Expected: x is returned as-is. + */ +static int SDLCALL +scalbn_expZeroCase(void *args) +{ + const double result = SDL_scalbn(42.0, 0); + SDLTest_AssertCheck(42.0 == result, + "Scalbn(%f,%d), expected %f, got %f", + 42.0, 0, 42.0, result); + return TEST_COMPLETED; +} + +/** + * Input: (NAN, x). + * Expected: NAN is returned. + */ +static int SDLCALL +scalbn_nanCase(void *args) +{ + const double result = SDL_scalbn(NAN, 2); + SDLTest_AssertCheck(ISNAN(result), + "Scalbn(%f,%d), expected %f, got %f", + NAN, 2, NAN, result); + return TEST_COMPLETED; +} + +/** + * Inputs: values inside the domain of the function. + * Expected: the correct result is returned. + * NOTE: This test depends on SDL_pow and FLT_RADIX. + */ +static int SDLCALL +scalbn_regularCases(void *args) +{ + double result, expected; + + result = SDL_scalbn(2.0, 2); + expected = 2.0 * SDL_pow(FLT_RADIX, 2); + SDLTest_AssertCheck(result == expected, + "Scalbn(%f,%d), expected %f, got %f", + 2.0, 2, expected, result); + + result = SDL_scalbn(1.0, 13); + expected = 1.0 * SDL_pow(FLT_RADIX, 13); + SDLTest_AssertCheck(result == expected, + "Scalbn(%f,%d), expected %f, got %f", + 1.0, 13, expected, result); + + result = SDL_scalbn(2.0, -5); + expected = 2.0 * SDL_pow(FLT_RADIX, -5); + SDLTest_AssertCheck(result == expected, + "Scalbn(%f,%d), expected %f, got %f", + 2.0, -5, expected, result); + + result = SDL_scalbn(-1.0, -13); + expected = -1.0 * SDL_pow(FLT_RADIX, -13); + SDLTest_AssertCheck(result == expected, + "Scalbn(%f,%d), expected %f, got %f", + -1.0, -13, expected, result); + + return TEST_COMPLETED; +} + +/* SDL_cos tests functions */ + +/** + * Inputs: +/-Infinity. + * Expected: NAN is returned. + */ +static int SDLCALL +cos_infCases(void *args) +{ + double result; + + result = SDL_cos(INFINITY); + SDLTest_AssertCheck(ISNAN(result), + "Cos(%f), expected %f, got %f", + INFINITY, NAN, result); + + result = SDL_cos(-INFINITY); + SDLTest_AssertCheck(ISNAN(result), + "Cos(%f), expected %f, got %f", + -INFINITY, NAN, result); + + return TEST_COMPLETED; +} + +/** + * Input: NAN. + * Expected: NAN is returned. + */ +static int SDLCALL +cos_nanCase(void *args) +{ + const double result = SDL_cos(NAN); + SDLTest_AssertCheck(ISNAN(result), + "Cos(%f), expected %f, got %f", + NAN, NAN, result); + return TEST_COMPLETED; +} + +/** + * Inputs: +/-0.0 and +/-Pi. + * Expected: +1.0 and -1.0 respectively. + */ +static int SDLCALL +cos_regularCases(void *args) +{ + const d_to_d regular_cases[] = { + { -SDL_PI_D, -1.0 }, + { -0.0, 1.0 }, + { 0.0, 1.0 }, + { SDL_PI_D, -1.0 } + }; + return helper_dtod("Cos", SDL_cos, regular_cases, SDL_arraysize(regular_cases)); +} + +/** + * Inputs: Angles between 1/10 and 9/10 of Pi (positive and negative). + * Expected: The correct result is returned (+/-EPSILON). + */ +static int SDLCALL +cos_precisionTest(void *args) +{ + const d_to_d precision_cases[] = { + { SDL_PI_D * 1.0 / 10.0, 0.9510565162951535 }, + { SDL_PI_D * 2.0 / 10.0, 0.8090169943749475 }, + { SDL_PI_D * 3.0 / 10.0, 0.5877852522924731 }, + { SDL_PI_D * 4.0 / 10.0, 0.30901699437494745 }, + { SDL_PI_D * 5.0 / 10.0, 0.0 }, + { SDL_PI_D * 6.0 / 10.0, -0.30901699437494734 }, + { SDL_PI_D * 7.0 / 10.0, -0.587785252292473 }, + { SDL_PI_D * 8.0 / 10.0, -0.8090169943749473 }, + { SDL_PI_D * 9.0 / 10.0, -0.9510565162951535 }, + { SDL_PI_D * -1.0 / 10.0, 0.9510565162951535 }, + { SDL_PI_D * -2.0 / 10.0, 0.8090169943749475 }, + { SDL_PI_D * -3.0 / 10.0, 0.5877852522924731 }, + { SDL_PI_D * -4.0 / 10.0, 0.30901699437494745 }, + { SDL_PI_D * -5.0 / 10.0, 0.0 }, + { SDL_PI_D * -6.0 / 10.0, -0.30901699437494734 }, + { SDL_PI_D * -7.0 / 10.0, -0.587785252292473 }, + { SDL_PI_D * -8.0 / 10.0, -0.8090169943749473 }, + { SDL_PI_D * -9.0 / 10.0, -0.9510565162951535 } + }; + return helper_dtod_inexact("Cos", SDL_cos, precision_cases, SDL_arraysize(precision_cases)); +} + +/** + * Inputs: Values in the range [0, UINT32_MAX]. + * Expected: A value between 0 and 1 is returned. + */ +static int SDLCALL +cos_rangeTest(void *args) +{ + Uint32 i; + double test_value = 0.0; + + SDLTest_AssertPass("Cos: Testing a range of %u values with steps of %" SDL_PRIu32, + RANGE_TEST_ITERATIONS, + RANGE_TEST_STEP); + + for (i = 0; i < RANGE_TEST_ITERATIONS; i++, test_value += RANGE_TEST_STEP) { + double result; + /* These are tested elsewhere */ + if (ISNAN(test_value) || ISINF(test_value)) { + continue; + } + + /* Only log failures to save performances */ + result = SDL_cos(test_value); + if (result < -1.0 || result > 1.0) { + SDLTest_AssertCheck(false, + "Cos(%.1f), expected [%.1f,%.1f], got %.1f", + test_value, -1.0, 1.0, result); + return TEST_ABORTED; + } + } + return TEST_COMPLETED; +} + +/* SDL_sin tests functions */ + +/** + * Inputs: +/-Infinity. + * Expected: NAN is returned. + */ +static int SDLCALL +sin_infCases(void *args) +{ + double result; + + result = SDL_sin(INFINITY); + SDLTest_AssertCheck(ISNAN(result), + "Sin(%f), expected %f, got %f", + INFINITY, NAN, result); + + result = SDL_sin(-INFINITY); + SDLTest_AssertCheck(ISNAN(result), + "Sin(%f), expected %f, got %f", + -INFINITY, NAN, result); + + return TEST_COMPLETED; +} + +/** + * Input: NAN. + * Expected: NAN is returned. + */ +static int SDLCALL +sin_nanCase(void *args) +{ + const double result = SDL_sin(NAN); + SDLTest_AssertCheck(ISNAN(result), + "Sin(%f), expected %f, got %f", + NAN, NAN, result); + return TEST_COMPLETED; +} + +/** + * Inputs: +/-0.0 and +/-Pi/2. + * Expected: +/-0.0 and +/-1.0 respectively. + */ +static int SDLCALL +sin_regularCases(void *args) +{ + const d_to_d regular_cases[] = { + { -SDL_PI_D / 2, -1.0 }, + { -0.0, -0.0 }, + { 0.0, 0.0 }, + { SDL_PI_D / 2, 1.0 } + }; + return helper_dtod("Sin", SDL_sin, regular_cases, SDL_arraysize(regular_cases)); +} + +/** + * Inputs: Angles between 1/10 and 10/10 of Pi (positive and negative). + * Expected: The correct result is returned (+/-EPSILON). + * NOTE: +/-Pi/2 is tested in the regular cases. + */ +static int SDLCALL +sin_precisionTest(void *args) +{ + const d_to_d precision_cases[] = { + { SDL_PI_D * 1.0 / 10.0, 0.3090169943749474 }, + { SDL_PI_D * 2.0 / 10.0, 0.5877852522924731 }, + { SDL_PI_D * 3.0 / 10.0, 0.8090169943749475 }, + { SDL_PI_D * 4.0 / 10.0, 0.9510565162951535 }, + { SDL_PI_D * 6.0 / 10.0, 0.9510565162951536 }, + { SDL_PI_D * 7.0 / 10.0, 0.8090169943749475 }, + { SDL_PI_D * 8.0 / 10.0, 0.5877852522924732 }, + { SDL_PI_D * 9.0 / 10.0, 0.3090169943749475 }, + { SDL_PI_D, 0.0 }, + { SDL_PI_D * -1.0 / 10.0, -0.3090169943749474 }, + { SDL_PI_D * -2.0 / 10.0, -0.5877852522924731 }, + { SDL_PI_D * -3.0 / 10.0, -0.8090169943749475 }, + { SDL_PI_D * -4.0 / 10.0, -0.9510565162951535 }, + { SDL_PI_D * -6.0 / 10.0, -0.9510565162951536 }, + { SDL_PI_D * -7.0 / 10.0, -0.8090169943749475 }, + { SDL_PI_D * -8.0 / 10.0, -0.5877852522924732 }, + { SDL_PI_D * -9.0 / 10.0, -0.3090169943749475 }, + { -SDL_PI_D, 0.0 }, + }; + return helper_dtod_inexact("Sin", SDL_sin, precision_cases, SDL_arraysize(precision_cases)); +} + +/** + * Inputs: Values in the range [0, UINT32_MAX]. + * Expected: A value between 0 and 1 is returned. + */ +static int SDLCALL +sin_rangeTest(void *args) +{ + Uint32 i; + double test_value = 0.0; + + SDLTest_AssertPass("Sin: Testing a range of %u values with steps of %" SDL_PRIu32, + RANGE_TEST_ITERATIONS, + RANGE_TEST_STEP); + + for (i = 0; i < RANGE_TEST_ITERATIONS; i++, test_value += RANGE_TEST_STEP) { + double result; + /* These are tested elsewhere */ + if (ISNAN(test_value) || ISINF(test_value)) { + continue; + } + + /* Only log failures to save performances */ + result = SDL_sin(test_value); + if (result < -1.0 || result > 1.0) { + SDLTest_AssertCheck(false, + "Sin(%.1f), expected [%.1f,%.1f], got %.1f", + test_value, -1.0, 1.0, result); + return TEST_ABORTED; + } + } + return TEST_COMPLETED; +} + +/* SDL_tan tests functions */ + +/** + * Inputs: +/-Infinity. + * Expected: NAN is returned. + */ +static int SDLCALL +tan_infCases(void *args) +{ + double result; + + result = SDL_tan(INFINITY); + SDLTest_AssertCheck(ISNAN(result), + "Tan(%f), expected %f, got %f", + INFINITY, NAN, result); + + result = SDL_tan(-INFINITY); + SDLTest_AssertCheck(ISNAN(result), + "Tan(%f), expected %f, got %f", + -INFINITY, NAN, result); + + return TEST_COMPLETED; +} + +/** + * Input: NAN. + * Expected: NAN is returned. + */ +static int SDLCALL +tan_nanCase(void *args) +{ + const double result = SDL_tan(NAN); + SDLTest_AssertCheck(ISNAN(result), + "Tan(%f), expected %f, got %f", + NAN, NAN, result); + return TEST_COMPLETED; +} + +/** + * Inputs: +/-0.0. + * Expected: Zero is returned as-is. + */ +static int SDLCALL +tan_zeroCases(void *args) +{ + const d_to_d regular_cases[] = { + { -0.0, -0.0 }, + { 0.0, 0.0 } + }; + return helper_dtod("Tan", SDL_tan, regular_cases, SDL_arraysize(regular_cases)); +} + +/** + * Inputs: Angles between 1/11 and 10/11 of Pi (positive and negative). + * Expected: The correct result is returned (+/-EPSILON). + * NOTE: +/-Pi/2 is intentionally avoided as it returns garbage values. + */ +static int SDLCALL +tan_precisionTest(void *args) +{ + const d_to_d precision_cases[] = { + { SDL_PI_D * 1.0 / 11.0, 0.29362649293836673 }, + { SDL_PI_D * 2.0 / 11.0, 0.642660977168331 }, + { SDL_PI_D * 3.0 / 11.0, 1.1540615205330094 }, + { SDL_PI_D * 4.0 / 11.0, 2.189694562989681 }, + { SDL_PI_D * 5.0 / 11.0, 6.9551527717734745 }, + { SDL_PI_D * 6.0 / 11.0, -6.955152771773481 }, + { SDL_PI_D * 7.0 / 11.0, -2.189694562989682 }, + { SDL_PI_D * 8.0 / 11.0, -1.1540615205330096 }, + { SDL_PI_D * 9.0 / 11.0, -0.6426609771683314 }, + { SDL_PI_D * 10.0 / 11.0, -0.2936264929383667 }, + { SDL_PI_D * -1.0 / 11.0, -0.29362649293836673 }, + { SDL_PI_D * -2.0 / 11.0, -0.642660977168331 }, + { SDL_PI_D * -3.0 / 11.0, -1.1540615205330094 }, + { SDL_PI_D * -4.0 / 11.0, -2.189694562989681 }, + { SDL_PI_D * -5.0 / 11.0, -6.9551527717734745 }, + { SDL_PI_D * -6.0 / 11.0, 6.955152771773481 }, + { SDL_PI_D * -7.0 / 11.0, 2.189694562989682 }, + { SDL_PI_D * -8.0 / 11.0, 1.1540615205330096 }, + { SDL_PI_D * -9.0 / 11.0, 0.6426609771683314 }, + { SDL_PI_D * -10.0 / 11.0, 0.2936264929383667 } + }; + return helper_dtod_inexact("Tan", SDL_tan, precision_cases, SDL_arraysize(precision_cases)); +} + +/* SDL_acos tests functions */ + +/** + * Inputs: +/-1.0. + * Expected: 0.0 and Pi respectively. + */ +static int SDLCALL +acos_limitCases(void *args) +{ + double result; + + result = SDL_acos(1.0); + SDLTest_AssertCheck(0.0 == result, + "Acos(%f), expected %f, got %f", + 1.0, 0.0, result); + + result = SDL_acos(-1.0); + SDLTest_AssertCheck(SDL_fabs(SDL_PI_D - result) <= EPSILON, + "Acos(%f), expected %f, got %f", + -1.0, SDL_PI_D, result); + + return TEST_COMPLETED; +} + +/** + * Inputs: Values outside the domain of [-1, 1]. + * Expected: NAN is returned. + */ +static int SDLCALL +acos_outOfDomainCases(void *args) +{ + double result; + + result = SDL_acos(1.1); + SDLTest_AssertCheck(ISNAN(result), + "Acos(%f), expected %f, got %f", + 1.1, NAN, result); + + result = SDL_acos(-1.1); + SDLTest_AssertCheck(ISNAN(result), + "Acos(%f), expected %f, got %f", + -1.1, NAN, result); + + return TEST_COMPLETED; +} + +/** + * Input: NAN. + * Expected: NAN is returned. + */ +static int SDLCALL +acos_nanCase(void *args) +{ + const double result = SDL_acos(NAN); + SDLTest_AssertCheck(ISNAN(result), + "Acos(%f), expected %f, got %f", + NAN, NAN, result); + return TEST_COMPLETED; +} + +/** + * Inputs: Values between -0.9 and 0.9 with steps of 0.1. + * Expected: The correct result is returned (+/-EPSILON). + */ +static int SDLCALL +acos_precisionTest(void *args) +{ + const d_to_d precision_cases[] = { + { 0.9, 0.4510268117 }, + { 0.8, 0.6435011087 }, + { 0.7, 0.7953988301 }, + { 0.6, 0.9272952180 }, + { 0.5, 1.0471975511 }, + { 0.4, 1.1592794807 }, + { 0.3, 1.2661036727 }, + { 0.2, 1.3694384060 }, + { 0.1, 1.4706289056 }, + { 0.0, 1.5707963267 }, + { -0.0, 1.5707963267 }, + { -0.1, 1.6709637479 }, + { -0.2, 1.7721542475 }, + { -0.3, 1.8754889808 }, + { -0.4, 1.9823131728 }, + { -0.5, 2.0943951023 }, + { -0.6, 2.2142974355 }, + { -0.7, 2.3461938234 }, + { -0.8, 2.4980915447 }, + { -0.9, 2.6905658417 }, + }; + return helper_dtod_inexact("Acos", SDL_acos, precision_cases, SDL_arraysize(precision_cases)); +} + +/* SDL_asin tests functions */ + +/** + * Inputs: +/-1.0. + * Expected: +/-Pi/2 is returned. + */ +static int SDLCALL +asin_limitCases(void *args) +{ + double result; + + result = SDL_asin(1.0); + SDLTest_AssertCheck(SDL_fabs(SDL_PI_D / 2.0 - result) <= EPSILON, + "Asin(%f), expected %f, got %f", + 1.0, SDL_PI_D / 2.0, result); + + result = SDL_asin(-1.0); + SDLTest_AssertCheck(SDL_fabs(-SDL_PI_D / 2.0 - result) <= EPSILON, + "Asin(%f), expected %f, got %f", + -1.0, -SDL_PI_D / 2.0, result); + + return TEST_COMPLETED; +} + +/** + * Inputs: Values outside the domain of [-1, 1]. + * Expected: NAN is returned. + */ +static int SDLCALL +asin_outOfDomainCases(void *args) +{ + double result; + + result = SDL_asin(1.1); + SDLTest_AssertCheck(ISNAN(result), + "Asin(%f), expected %f, got %f", + 1.1, NAN, result); + + result = SDL_asin(-1.1); + SDLTest_AssertCheck(ISNAN(result), + "Asin(%f), expected %f, got %f", + -1.1, NAN, result); + + return TEST_COMPLETED; +} + +/** + * Input: NAN. + * Expected: NAN is returned. + */ +static int SDLCALL +asin_nanCase(void *args) +{ + const double result = SDL_asin(NAN); + SDLTest_AssertCheck(ISNAN(result), + "Asin(%f), expected %f, got %f", + NAN, NAN, result); + return TEST_COMPLETED; +} + +/** + * Inputs: Values between -0.9 and 0.9 with steps of 0.1. + * Expected: The correct result is returned (+/-EPSILON). + */ +static int SDLCALL +asin_precisionTest(void *args) +{ + const d_to_d precision_cases[] = { + { 0.9, 1.1197695149986342 }, + { 0.8, 0.9272952180016123 }, + { 0.7, 0.775397496610753 }, + { 0.6, 0.6435011087932844 }, + { 0.5, 0.5235987755982989 }, + { 0.4, 0.41151684606748806 }, + { 0.3, 0.3046926540153976 }, + { 0.2, 0.20135792079033074 }, + { 0.1, 0.10016742116155977 }, + { 0.0, 0.0 }, + { -0.0, -0.0 }, + { -0.1, -0.10016742116155977 }, + { -0.2, -0.20135792079033074 }, + { -0.3, -0.3046926540153976 }, + { -0.4, -0.41151684606748806 }, + { -0.5, -0.5235987755982989 }, + { -0.6, -0.6435011087932844 }, + { -0.7, -0.775397496610753 }, + { -0.8, -0.9272952180016123 }, + { -0.9, -1.1197695149986342 } + }; + return helper_dtod_inexact("Asin", SDL_asin, precision_cases, SDL_arraysize(precision_cases)); +} + +/* SDL_atan tests functions */ + +/** + * Inputs: +/-Infinity. + * Expected: +/-Pi/2 is returned. + */ +static int SDLCALL +atan_limitCases(void *args) +{ + double result; + + result = SDL_atan(INFINITY); + SDLTest_AssertCheck((SDL_PI_D / 2.0) - EPSILON <= result && + result <= (SDL_PI_D / 2.0) + EPSILON, + "Atan(%f), expected %f, got %f", + INFINITY, SDL_PI_D / 2.0, result); + + result = SDL_atan(-INFINITY); + SDLTest_AssertCheck((-SDL_PI_D / 2.0) - EPSILON <= result && + result <= (-SDL_PI_D / 2.0) + EPSILON, + "Atan(%f), expected %f, got %f", + -INFINITY, -SDL_PI_D / 2.0, result); + + return TEST_COMPLETED; +} + +/** + * Inputs: +/-0.0. + * Expected: Zero is returned as-is. + */ +static int SDLCALL +atan_zeroCases(void *args) +{ + double result; + + result = SDL_atan(0.0); + SDLTest_AssertCheck(0.0 == result, + "Atan(%f), expected %f, got %f", + 0.0, 0.0, result); + + result = SDL_atan(-0.0); + SDLTest_AssertCheck(-0.0 == result, + "Atan(%f), expected %f, got %f", + -0.0, -0.0, result); + + return TEST_COMPLETED; +} + +/** + * Input: NAN. + * Expected: NAN is returned. + */ +static int SDLCALL +atan_nanCase(void *args) +{ + const double result = SDL_atan(NAN); + SDLTest_AssertCheck(ISNAN(result), + "Atan(%f), expected %f, got %f", + NAN, NAN, result); + return TEST_COMPLETED; +} + +/** + * Inputs: Values corresponding to angles between 9Pi/20 and -9Pi/20 with steps of Pi/20. + * Expected: The correct result is returned (+/-EPSILON). + */ +static int SDLCALL +atan_precisionTest(void *args) +{ + const d_to_d precision_cases[] = { + { 6.313751514675041, 1.413716694115407 }, + { 3.0776835371752527, 1.2566370614359172 }, + { 1.9626105055051504, 1.0995574287564276 }, + { 1.3763819204711734, 0.9424777960769379 }, + { 1.0, 0.7853981633974483 }, + { 0.7265425280053609, 0.6283185307179586 }, + { 0.5095254494944288, 0.47123889803846897 }, + { 0.3249196962329063, 0.3141592653589793 }, + { 0.15838444032453627, 0.15707963267948966 }, + { -0.15838444032453627, -0.15707963267948966 }, + { -0.3249196962329063, -0.3141592653589793 }, + { -0.5095254494944288, -0.47123889803846897 }, + { -0.7265425280053609, -0.6283185307179586 }, + { -1.0, -0.7853981633974483 }, + { -1.3763819204711734, -0.9424777960769379 }, + { -1.9626105055051504, -1.0995574287564276 }, + { -3.0776835371752527, -1.2566370614359172 }, + { -6.313751514675041, -1.413716694115407 }, + }; + return helper_dtod_inexact("Atan", SDL_atan, precision_cases, SDL_arraysize(precision_cases)); +} + +/* SDL_atan2 tests functions */ + +/* Zero cases */ + +/** + * Inputs: (+/-0.0, +/-0.0). + * Expected: + * - Zero if the second argument is positive zero. + * - Pi if the second argument is negative zero. + * - The sign is inherited from the first argument. + */ +static int SDLCALL +atan2_bothZeroCases(void *args) +{ + const dd_to_d cases[] = { + { 0.0, 0.0, 0.0 }, + { -0.0, 0.0, -0.0 }, + { 0.0, -0.0, SDL_PI_D }, + { -0.0, -0.0, -SDL_PI_D }, + }; + return helper_ddtod_inexact("SDL_atan2", SDL_atan2, cases, SDL_arraysize(cases)); +} + +/** + * Inputs: (+/-0.0, +/-1.0). + * Expected: + * - Zero if the second argument is positive. + * - Pi if the second argument is negative. + * - The sign is inherited from the first argument. + */ +static int SDLCALL +atan2_yZeroCases(void *args) +{ + const dd_to_d cases[] = { + { 0.0, 1.0, 0.0 }, + { 0.0, -1.0, SDL_PI_D }, + { -0.0, 1.0, -0.0 }, + { -0.0, -1.0, -SDL_PI_D } + }; + return helper_ddtod_inexact("SDL_atan2", SDL_atan2, cases, SDL_arraysize(cases)); +} + +/** + * Inputs: (+/-1.0, +/-0.0). + * Expected: Pi/2 with the sign of the first argument. + */ +static int SDLCALL +atan2_xZeroCases(void *args) +{ + const dd_to_d cases[] = { + { 1.0, 0.0, SDL_PI_D / 2.0 }, + { -1.0, 0.0, -SDL_PI_D / 2.0 }, + { 1.0, -0.0, SDL_PI_D / 2.0 }, + { -1.0, -0.0, -SDL_PI_D / 2.0 } + }; + return helper_ddtod_inexact("SDL_atan2", SDL_atan2, cases, SDL_arraysize(cases)); +} + +/* Infinity cases */ + +/** + * Inputs: (+/-Infinity, +/-Infinity). + * Expected: + * - (+int, +inf) -> Pi/4, + * - (+int, -inf) -> 3Pi/4, + * - (-int, +inf) -> -Pi/4, + * - (-int, -inf) -> Pi. + */ +static int SDLCALL +atan2_bothInfCases(void *args) +{ + double result; + + result = SDL_atan2(INFINITY, INFINITY); + SDLTest_AssertCheck(SDL_fabs(SDL_PI_D / 4.0 - result) <= EPSILON, + "Atan2(%f,%f), expected %f, got %f", + INFINITY, INFINITY, SDL_PI_D / 4.0, result); + + result = SDL_atan2(INFINITY, -INFINITY); + SDLTest_AssertCheck(SDL_fabs(3.0 * SDL_PI_D / 4.0 - result) <= EPSILON, + "Atan2(%f,%f), expected %f, got %f", + INFINITY, -INFINITY, 3.0 * SDL_PI_D / 4.0, result); + + result = SDL_atan2(-INFINITY, INFINITY); + SDLTest_AssertCheck(SDL_fabs(-SDL_PI_D / 4.0 - result) <= EPSILON, + "Atan2(%f,%f), expected %f, got %f", + -INFINITY, INFINITY, -SDL_PI_D / 4.0, result); + + result = SDL_atan2(-INFINITY, -INFINITY); + SDLTest_AssertCheck(SDL_fabs(-3.0 * SDL_PI_D / 4.0 - result) <= EPSILON, + "Atan2(%f,%f), expected %f, got %f", + -INFINITY, -INFINITY, -3.0 * SDL_PI_D / 4.0, result); + + return TEST_COMPLETED; +} + +/** + * Inputs: (+/-Infinity, +/-1.0). + * Expected: Pi/2 with the sign of the first argument. + */ +static int SDLCALL +atan2_yInfCases(void *args) +{ + double result; + + result = SDL_atan2(INFINITY, 1.0); + SDLTest_AssertCheck(SDL_fabs(SDL_PI_D / 2.0 - result) <= EPSILON, + "Atan2(%f,%f), expected %f, got %f", + INFINITY, 1.0, SDL_PI_D / 2.0, result); + + result = SDL_atan2(INFINITY, -1.0); + SDLTest_AssertCheck(SDL_fabs(SDL_PI_D / 2.0 - result) <= EPSILON, + "Atan2(%f,%f), expected %f, got %f", + INFINITY, -1.0, SDL_PI_D / 2.0, result); + + result = SDL_atan2(-INFINITY, 1.0); + SDLTest_AssertCheck(SDL_fabs(-SDL_PI_D / 2.0 - result) <= EPSILON, + "Atan2(%f,%f), expected %f, got %f", + -INFINITY, 1.0, -SDL_PI_D / 2.0, result); + + result = SDL_atan2(-INFINITY, -1.0); + SDLTest_AssertCheck(SDL_fabs(-SDL_PI_D / 2.0 - result) <= EPSILON, + "Atan2(%f,%f), expected %f, got %f", + -INFINITY, -1.0, -SDL_PI_D / 2.0, result); + + return TEST_COMPLETED; +} + +/** + * Inputs: (+/-1.0, +/-Infinity). + * Expected: + * - (+/-1.0, +inf) -> +/-0.0 + * - (+/-1.0, -inf) -> +/-Pi. + */ +static int SDLCALL +atan2_xInfCases(void *args) +{ + double result; + + result = SDL_atan2(1.0, INFINITY); + SDLTest_AssertCheck(0.0 == result, + "Atan2(%f,%f), expected %f, got %f", + 1.0, INFINITY, 0.0, result); + + result = SDL_atan2(-1.0, INFINITY); + SDLTest_AssertCheck(-0.0 == result, + "Atan2(%f,%f), expected %f, got %f", + -1.0, INFINITY, -0.0, result); + + result = SDL_atan2(1.0, -INFINITY); + SDLTest_AssertCheck(SDL_fabs(SDL_PI_D - result) <= EPSILON, + "Atan2(%f,%f), expected %f, got %f", + 1.0, -INFINITY, SDL_PI_D, result); + + result = SDL_atan2(-1.0, -INFINITY); + SDLTest_AssertCheck(SDL_fabs(-SDL_PI_D - result) <= EPSILON, + "Atan2(%f,%f), expected %f, got %f", + -1.0, -INFINITY, -SDL_PI_D, result); + + return TEST_COMPLETED; +} + +/* Miscelanious cases */ + +/** + * Inputs: NAN as either or both of the arguments. + * Expected: NAN is returned. + */ +static int SDLCALL +atan2_nanCases(void *args) +{ + double result; + + result = SDL_atan2(NAN, NAN); + SDLTest_AssertCheck(ISNAN(result), + "Atan2(%f,%f), expected %f, got %f", + NAN, NAN, NAN, result); + + result = SDL_atan2(NAN, 1.0); + SDLTest_AssertCheck(ISNAN(result), + "Atan2(%f,%f), expected %f, got %f", + NAN, 1.0, NAN, result); + + result = SDL_atan2(1.0, NAN); + SDLTest_AssertCheck(ISNAN(result), + "Atan2(%f,%f), expected %f, got %f", + 1.0, NAN, NAN, result); + + return TEST_COMPLETED; +} + +/** + * Inputs: (y, x) with x and y positive. + * Expected: Angle in the top right quadrant. + */ +static int SDLCALL +atan2_topRightQuadrantTest(void *args) +{ + const dd_to_d top_right_cases[] = { + { 1.0, 1.0, SDL_PI_D / 4.0 }, + { SQRT3, 3.0, SDL_PI_D / 6.0 }, + { SQRT3, 1.0, SDL_PI_D / 3.0 } + }; + return helper_ddtod_inexact("SDL_atan2", SDL_atan2, top_right_cases, SDL_arraysize(top_right_cases)); +} + +/** + * Inputs: (y, x) with x negative and y positive. + * Expected: Angle in the top left quadrant. + */ +static int SDLCALL +atan2_topLeftQuadrantTest(void *args) +{ + const dd_to_d top_left_cases[] = { + { 1.0, -1.0, 3.0 * SDL_PI_D / 4.0 }, + { SQRT3, -3.0, 5.0 * SDL_PI_D / 6.0 }, + { SQRT3, -1.0, 2.0 * SDL_PI_D / 3.0 } + }; + return helper_ddtod_inexact("SDL_atan2", SDL_atan2, top_left_cases, SDL_arraysize(top_left_cases)); +} + +/** + * Inputs: (y, x) with x positive and y negative. + * Expected: Angle in the bottom right quadrant. + */ +static int SDLCALL +atan2_bottomRightQuadrantTest(void *args) +{ + const dd_to_d bottom_right_cases[] = { + { -1.0, 1.0, -SDL_PI_D / 4 }, + { -SQRT3, 3.0, -SDL_PI_D / 6.0 }, + { -SQRT3, 1.0, -SDL_PI_D / 3.0 } + }; + return helper_ddtod_inexact("SDL_atan2", SDL_atan2, bottom_right_cases, SDL_arraysize(bottom_right_cases)); +} + +/** + * Inputs: (y, x) with x and y negative. + * Expected: Angle in the bottom left quadrant. + */ +static int SDLCALL +atan2_bottomLeftQuadrantTest(void *args) +{ + const dd_to_d bottom_left_cases[] = { + { -1.0, -1.0, -3.0 * SDL_PI_D / 4.0 }, + { -SQRT3, -3.0, -5.0 * SDL_PI_D / 6.0 }, + { -SQRT3, -1.0, -4.0 * SDL_PI_D / 6.0 } + }; + return helper_ddtod_inexact("SDL_atan2", SDL_atan2, bottom_left_cases, SDL_arraysize(bottom_left_cases)); +} + +/* ================= Test References ================== */ + +/* SDL_floor test cases */ + +static const SDLTest_TestCaseReference floorTestInf = { + floor_infCases, "floor_infCases", + "Checks positive and negative infinity", TEST_ENABLED +}; +static const SDLTest_TestCaseReference floorTestZero = { + floor_zeroCases, "floor_zeroCases", + "Checks positive and negative zero", TEST_ENABLED +}; +static const SDLTest_TestCaseReference floorTestNan = { + floor_nanCase, "floor_nanCase", + "Checks NAN", TEST_ENABLED +}; +static const SDLTest_TestCaseReference floorTestRound = { + floor_roundNumbersCases, "floor_roundNumberCases", + "Checks a set of integral values", TEST_ENABLED +}; +static const SDLTest_TestCaseReference floorTestFraction = { + floor_fractionCases, "floor_fractionCases", + "Checks a set of fractions", TEST_ENABLED +}; +static const SDLTest_TestCaseReference floorTestRange = { + floor_rangeTest, "floor_rangeTest", + "Checks a range of positive integer", TEST_ENABLED +}; + +/* SDL_ceil test cases */ + +static const SDLTest_TestCaseReference ceilTestInf = { + ceil_infCases, "ceil_infCases", + "Checks positive and negative infinity", TEST_ENABLED +}; +static const SDLTest_TestCaseReference ceilTestZero = { + ceil_zeroCases, "ceil_zeroCases", + "Checks positive and negative zero", TEST_ENABLED +}; +static const SDLTest_TestCaseReference ceilTestNan = { + ceil_nanCase, "ceil_nanCase", + "Checks NAN", TEST_ENABLED +}; +static const SDLTest_TestCaseReference ceilTestRound = { + ceil_roundNumbersCases, "ceil_roundNumberCases", + "Checks a set of integral values", TEST_ENABLED +}; +static const SDLTest_TestCaseReference ceilTestFraction = { + ceil_fractionCases, "ceil_fractionCases", + "Checks a set of fractions", TEST_ENABLED +}; +static const SDLTest_TestCaseReference ceilTestRange = { + ceil_rangeTest, "ceil_rangeTest", + "Checks a range of positive integer", TEST_ENABLED +}; + +/* SDL_trunc test cases */ + +static const SDLTest_TestCaseReference truncTestInf = { + trunc_infCases, "trunc_infCases", + "Checks positive and negative infinity", TEST_ENABLED +}; +static const SDLTest_TestCaseReference truncTestZero = { + trunc_zeroCases, "trunc_zeroCases", + "Checks positive and negative zero", TEST_ENABLED +}; +static const SDLTest_TestCaseReference truncTestNan = { + trunc_nanCase, "trunc_nanCase", + "Checks NAN", TEST_ENABLED +}; +static const SDLTest_TestCaseReference truncTestRound = { + trunc_roundNumbersCases, "trunc_roundNumberCases", + "Checks a set of integral values", TEST_ENABLED +}; +static const SDLTest_TestCaseReference truncTestFraction = { + trunc_fractionCases, "trunc_fractionCases", + "Checks a set of fractions", TEST_ENABLED +}; +static const SDLTest_TestCaseReference truncTestRange = { + trunc_rangeTest, "trunc_rangeTest", + "Checks a range of positive integer", TEST_ENABLED +}; + +/* SDL_round test cases */ + +static const SDLTest_TestCaseReference roundTestInf = { + round_infCases, "round_infCases", + "Checks positive and negative infinity", TEST_ENABLED +}; +static const SDLTest_TestCaseReference roundTestZero = { + round_zeroCases, "round_zeroCases", + "Checks positive and negative zero", TEST_ENABLED +}; +static const SDLTest_TestCaseReference roundTestNan = { + round_nanCase, "round_nanCase", + "Checks NAN", TEST_ENABLED +}; +static const SDLTest_TestCaseReference roundTestRound = { + round_roundNumbersCases, "round_roundNumberCases", + "Checks a set of integral values", TEST_ENABLED +}; +static const SDLTest_TestCaseReference roundTestFraction = { + round_fractionCases, "round_fractionCases", + "Checks a set of fractions", TEST_ENABLED +}; +static const SDLTest_TestCaseReference roundTestRange = { + round_rangeTest, "round_rangeTest", + "Checks a range of positive integer", TEST_ENABLED +}; + +/* SDL_fabs test cases */ + +static const SDLTest_TestCaseReference fabsTestInf = { + fabs_infCases, "fabs_infCases", + "Checks positive and negative infinity", TEST_ENABLED +}; +static const SDLTest_TestCaseReference fabsTestZero = { + fabs_zeroCases, "fabs_zeroCases", + "Checks positive and negative zero", TEST_ENABLED +}; +static const SDLTest_TestCaseReference fabsTestNan = { + fabs_nanCase, "fabs_nanCase", + "Checks NAN", TEST_ENABLED +}; +static const SDLTest_TestCaseReference fabsTestRange = { + fabs_rangeTest, "fabs_rangeTest", + "Checks a range of positive integer", TEST_ENABLED +}; + +/* SDL_copysign test cases */ + +static const SDLTest_TestCaseReference copysignTestInf = { + copysign_infCases, "copysign_infCases", + "Checks positive and negative infinity", TEST_ENABLED +}; +static const SDLTest_TestCaseReference copysignTestZero = { + copysign_zeroCases, "copysign_zeroCases", + "Checks positive and negative zero", TEST_ENABLED +}; +static const SDLTest_TestCaseReference copysignTestNan = { + copysign_nanCases, "copysign_nanCases", + "Checks NANs", TEST_ENABLED +}; +static const SDLTest_TestCaseReference copysignTestRange = { + copysign_rangeTest, "copysign_rangeTest", + "Checks a range of positive integer", TEST_ENABLED +}; + +/* SDL_fmod test cases */ + +static const SDLTest_TestCaseReference fmodTestDivOfInf = { + fmod_divOfInfCases, "fmod_divOfInfCases", + "Checks division of positive and negative infinity", TEST_ENABLED +}; +static const SDLTest_TestCaseReference fmodTestDivByInf = { + fmod_divByInfCases, "fmod_divByInfCases", + "Checks division by positive and negative infinity", TEST_ENABLED +}; +static const SDLTest_TestCaseReference fmodTestDivOfZero = { + fmod_divOfZeroCases, "fmod_divOfZeroCases", + "Checks division of positive and negative zero", TEST_ENABLED +}; +static const SDLTest_TestCaseReference fmodTestDivByZero = { + fmod_divByZeroCases, "fmod_divByZeroCases", + "Checks division by positive and negative zero", TEST_ENABLED +}; +static const SDLTest_TestCaseReference fmodTestNan = { + fmod_nanCases, "fmod_nanCases", + "Checks NANs", TEST_ENABLED +}; +static const SDLTest_TestCaseReference fmodTestRegular = { + fmod_regularCases, "fmod_regularCases", + "Checks a set of regular values", TEST_ENABLED +}; +static const SDLTest_TestCaseReference fmodTestRange = { + fmod_rangeTest, "fmod_rangeTest", + "Checks a range of positive integer", TEST_ENABLED +}; + +/* SDL_exp test cases */ + +static const SDLTest_TestCaseReference expTestInf = { + exp_infCases, "exp_infCases", + "Checks positive and negative infinity", TEST_ENABLED +}; +static const SDLTest_TestCaseReference expTestZero = { + exp_zeroCases, "exp_zeroCases", + "Checks for positive and negative zero", TEST_ENABLED +}; +static const SDLTest_TestCaseReference expTestOverflow = { + exp_overflowCase, "exp_overflowCase", + "Checks for overflow", TEST_ENABLED +}; +static const SDLTest_TestCaseReference expTestBase = { + exp_baseCase, "exp_baseCase", + "Checks the base case", TEST_ENABLED +}; +static const SDLTest_TestCaseReference expTestRegular = { + exp_regularCases, "exp_regularCases", + "Checks a set of regular values", TEST_ENABLED +}; + +/* SDL_log test cases */ + +static const SDLTest_TestCaseReference logTestLimit = { + log_limitCases, "log_limitCases", + "Checks the domain limits", TEST_ENABLED +}; +static const SDLTest_TestCaseReference logTestNan = { + log_nanCases, "log_nanCases", + "Checks NAN and negative values", TEST_ENABLED +}; +static const SDLTest_TestCaseReference logTestBase = { + log_baseCases, "log_baseCases", + "Checks the base cases", TEST_ENABLED +}; +static const SDLTest_TestCaseReference logTestRegular = { + log_regularCases, "log_regularCases", + "Checks a set of regular values", TEST_ENABLED +}; + +/* SDL_log10 test cases */ + +static const SDLTest_TestCaseReference log10TestLimit = { + log10_limitCases, "log10_limitCases", + "Checks the domain limits", TEST_ENABLED +}; +static const SDLTest_TestCaseReference log10TestNan = { + log10_nanCases, "log10_nanCases", + "Checks NAN and negative values", TEST_ENABLED +}; +static const SDLTest_TestCaseReference log10TestBase = { + log10_baseCases, "log10_baseCases", + "Checks the base cases", TEST_ENABLED +}; +static const SDLTest_TestCaseReference log10TestRegular = { + log10_regularCases, "log10_regularCases", + "Checks a set of regular values", TEST_ENABLED +}; + +/* SDL_modf test cases */ + +static const SDLTest_TestCaseReference modfTestBase = { + modf_baseCases, "modf_baseCases", + "Checks the base cases", TEST_ENABLED +}; + +/* SDL_pow test cases */ + +static const SDLTest_TestCaseReference powTestExpInf1 = { + pow_baseNOneExpInfCases, "pow_baseNOneExpInfCases", + "Checks for pow(-1, +/-inf)", TEST_ENABLED +}; +static const SDLTest_TestCaseReference powTestExpInf2 = { + pow_baseZeroExpNInfCases, "pow_baseZeroExpNInfCases", + "Checks for pow(+/-0, -inf)", TEST_ENABLED +}; +static const SDLTest_TestCaseReference powTestExpInf3 = { + pow_expInfCases, "pow_expInfCases", + "Checks for pow(x, +/-inf)", TEST_ENABLED +}; +static const SDLTest_TestCaseReference powTestBaseInf1 = { + pow_basePInfCases, "pow_basePInfCases", + "Checks for pow(inf, x)", TEST_ENABLED +}; +static const SDLTest_TestCaseReference powTestBaseInf2 = { + pow_baseNInfCases, "pow_baseNInfCases", + "Checks for pow(-inf, x)", TEST_ENABLED +}; +static const SDLTest_TestCaseReference powTestNan1 = { + pow_badOperationCase, "pow_badOperationCase", + "Checks for negative finite base and non-integer finite exponent", TEST_ENABLED +}; +static const SDLTest_TestCaseReference powTestNan2 = { + pow_base1ExpNanCase, "pow_base1ExpNanCase", + "Checks for pow(1.0, NAN)", TEST_ENABLED +}; +static const SDLTest_TestCaseReference powTestNan3 = { + pow_baseNanExp0Cases, "pow_baseNanExp0Cases", + "Checks for pow(NAN, +/-0)", TEST_ENABLED +}; +static const SDLTest_TestCaseReference powTestNan4 = { + pow_nanArgsCases, "pow_nanArgsCases", + "Checks for pow(x, y) with either x or y being NAN", TEST_ENABLED +}; +static const SDLTest_TestCaseReference powTestZero1 = { + pow_baseNZeroExpOddCases, "pow_baseNZeroExpOddCases", + "Checks for pow(-0.0, y), with y an odd integer.", TEST_ENABLED +}; +static const SDLTest_TestCaseReference powTestZero2 = { + pow_basePZeroExpOddCases, "pow_basePZeroExpOddCases", + "Checks for pow(0.0, y), with y an odd integer.", TEST_ENABLED +}; +static const SDLTest_TestCaseReference powTestZero3 = { + pow_baseNZeroCases, "pow_baseNZeroCases", + "Checks for pow(-0.0, y), with y finite and even or non-integer number", TEST_ENABLED +}; +static const SDLTest_TestCaseReference powTestZero4 = { + pow_basePZeroCases, "pow_basePZeroCases", + "Checks for pow(0.0, y), with y finite and even or non-integer number", TEST_ENABLED +}; +static const SDLTest_TestCaseReference powTestRegular = { + pow_regularCases, "pow_regularCases", + "Checks a set of regular values", TEST_ENABLED +}; +static const SDLTest_TestCaseReference powTestPowOf2 = { + pow_powerOfTwo, "pow_powerOfTwo", + "Checks the powers of two from 1 to 8", TEST_ENABLED +}; +static const SDLTest_TestCaseReference powTestRange = { + pow_rangeTest, "pow_rangeTest", + "Checks a range of positive integer to the power of 0", TEST_ENABLED +}; + +/* SDL_sqrt test cases */ + +static const SDLTest_TestCaseReference sqrtTestInf = { + sqrt_infCase, "sqrt_infCase", + "Checks positive infinity", TEST_ENABLED +}; +static const SDLTest_TestCaseReference sqrtTestNan = { + sqrt_nanCase, "sqrt_nanCase", + "Checks NAN", TEST_ENABLED +}; +static const SDLTest_TestCaseReference sqrtTestDomain = { + sqrt_outOfDomainCases, "sqrt_outOfDomainCases", + "Checks for values out of the domain", TEST_ENABLED +}; +static const SDLTest_TestCaseReference sqrtTestBase = { + sqrt_baseCases, "sqrt_baseCases", + "Checks the base cases", TEST_ENABLED +}; +static const SDLTest_TestCaseReference sqrtTestRegular = { + sqrt_regularCases, "sqrt_regularCases", + "Checks a set of regular values", TEST_ENABLED +}; + +/* SDL_scalbn test cases */ + +static const SDLTest_TestCaseReference scalbnTestInf = { + scalbn_infCases, "scalbn_infCases", + "Checks positive and negative infinity arg", TEST_ENABLED +}; +static const SDLTest_TestCaseReference scalbnTestBaseZero = { + scalbn_baseZeroCases, "scalbn_baseZeroCases", + "Checks for positive and negative zero arg", TEST_ENABLED +}; +static const SDLTest_TestCaseReference scalbnTestExpZero = { + scalbn_expZeroCase, "scalbn_expZeroCase", + "Checks for zero exp", TEST_ENABLED +}; +static const SDLTest_TestCaseReference scalbnTestNan = { + scalbn_nanCase, "scalbn_nanCase", + "Checks NAN", TEST_ENABLED +}; +static const SDLTest_TestCaseReference scalbnTestRegular = { + scalbn_regularCases, "scalbn_regularCases", + "Checks a set of regular cases", TEST_ENABLED +}; + +/* SDL_cos test cases */ + +static const SDLTest_TestCaseReference cosTestInf = { + cos_infCases, "cos_infCases", + "Checks for positive and negative infinity", TEST_ENABLED +}; +static const SDLTest_TestCaseReference cosTestNan = { + cos_nanCase, "cos_nanCase", + "Checks NAN", TEST_ENABLED +}; +static const SDLTest_TestCaseReference cosTestRegular = { + cos_regularCases, "cos_regularCases", + "Checks a set of regular cases", TEST_ENABLED +}; +static const SDLTest_TestCaseReference cosTestPrecision = { + cos_precisionTest, "cos_precisionTest", + "Checks cosine precision", TEST_ENABLED +}; +static const SDLTest_TestCaseReference cosTestRange = { + cos_rangeTest, "cos_rangeTest", + "Checks a range of positive integer", TEST_ENABLED +}; + +/* SDL_sin test cases */ + +static const SDLTest_TestCaseReference sinTestInf = { + sin_infCases, "sin_infCases", + "Checks for positive and negative infinity", TEST_ENABLED +}; +static const SDLTest_TestCaseReference sinTestNan = { + sin_nanCase, "sin_nanCase", + "Checks NAN", TEST_ENABLED +}; +static const SDLTest_TestCaseReference sinTestRegular = { + sin_regularCases, "sin_regularCases", + "Checks a set of regular cases", TEST_ENABLED +}; +static const SDLTest_TestCaseReference sinTestPrecision = { + sin_precisionTest, "sin_precisionTest", + "Checks sine precision", TEST_ENABLED +}; +static const SDLTest_TestCaseReference sinTestRange = { + sin_rangeTest, "sin_rangeTest", + "Checks a range of positive integer", TEST_ENABLED +}; + +/* SDL_tan test cases */ + +static const SDLTest_TestCaseReference tanTestInf = { + tan_infCases, "tan_infCases", + "Checks for positive and negative infinity", TEST_ENABLED +}; +static const SDLTest_TestCaseReference tanTestNan = { + tan_nanCase, "tan_nanCase", + "Checks NAN", TEST_ENABLED +}; +static const SDLTest_TestCaseReference tanTestZero = { + tan_zeroCases, "tan_zeroCases", + "Checks a set of regular cases", TEST_ENABLED +}; +static const SDLTest_TestCaseReference tanTestPrecision = { + tan_precisionTest, "tan_precisionTest", + "Checks tangent precision", TEST_ENABLED +}; + +/* SDL_acos test cases */ + +static const SDLTest_TestCaseReference acosTestLimit = { + acos_limitCases, "acos_limitCases", + "Checks the edge of the domain (+/-1)", TEST_ENABLED +}; +static const SDLTest_TestCaseReference acosTestOutOfDomain = { + acos_outOfDomainCases, "acos_outOfDomainCases", + "Checks values outside the domain", TEST_ENABLED +}; +static const SDLTest_TestCaseReference acosTestNan = { + acos_nanCase, "acos_nanCase", + "Checks NAN", TEST_ENABLED +}; +static const SDLTest_TestCaseReference acosTestPrecision = { + acos_precisionTest, "acos_precisionTest", + "Checks acos precision", TEST_ENABLED +}; + +/* SDL_asin test cases */ + +static const SDLTest_TestCaseReference asinTestLimit = { + asin_limitCases, "asin_limitCases", + "Checks the edge of the domain (+/-1)", TEST_ENABLED +}; +static const SDLTest_TestCaseReference asinTestOutOfDomain = { + asin_outOfDomainCases, "asin_outOfDomainCases", + "Checks values outside the domain", TEST_ENABLED +}; +static const SDLTest_TestCaseReference asinTestNan = { + asin_nanCase, "asin_nanCase", + "Checks NAN", TEST_ENABLED +}; +static const SDLTest_TestCaseReference asinTestPrecision = { + asin_precisionTest, "asin_precisionTest", + "Checks asin precision", TEST_ENABLED +}; + +/* SDL_atan test cases */ + +static const SDLTest_TestCaseReference atanTestLimit = { + atan_limitCases, "atan_limitCases", + "Checks the edge of the domain (+/-Infinity)", TEST_ENABLED +}; +static const SDLTest_TestCaseReference atanTestZero = { + atan_zeroCases, "atan_zeroCases", + "Checks for positive and negative zero", TEST_ENABLED +}; +static const SDLTest_TestCaseReference atanTestNan = { + atan_nanCase, "atan_nanCase", + "Checks NAN", TEST_ENABLED +}; +static const SDLTest_TestCaseReference atanTestPrecision = { + atan_precisionTest, "atan_precisionTest", + "Checks atan precision", TEST_ENABLED +}; + +/* SDL_atan2 test cases */ + +static const SDLTest_TestCaseReference atan2TestZero1 = { + atan2_bothZeroCases, "atan2_bothZeroCases", + "Checks for both arguments being zero", TEST_ENABLED +}; +static const SDLTest_TestCaseReference atan2TestZero2 = { + atan2_yZeroCases, "atan2_yZeroCases", + "Checks for y=0", TEST_ENABLED +}; +static const SDLTest_TestCaseReference atan2TestZero3 = { + atan2_xZeroCases, "atan2_xZeroCases", + "Checks for x=0", TEST_ENABLED +}; +static const SDLTest_TestCaseReference atan2TestInf1 = { + atan2_bothInfCases, "atan2_bothInfCases", + "Checks for both arguments being infinity", TEST_ENABLED +}; +static const SDLTest_TestCaseReference atan2TestInf2 = { + atan2_yInfCases, "atan2_yInfCases", + "Checks for y=0", TEST_ENABLED +}; +static const SDLTest_TestCaseReference atan2TestInf3 = { + atan2_xInfCases, "atan2_xInfCases", + "Checks for x=0", TEST_ENABLED +}; +static const SDLTest_TestCaseReference atan2TestNan = { + atan2_nanCases, "atan2_nanCases", + "Checks NANs", TEST_ENABLED +}; +static const SDLTest_TestCaseReference atan2TestQuadrantTopRight = { + atan2_topRightQuadrantTest, "atan2_topRightQuadrantTest", + "Checks values in the top right quadrant", TEST_ENABLED +}; +static const SDLTest_TestCaseReference atan2TestQuadrantTopLeft = { + atan2_topLeftQuadrantTest, "atan2_topLeftQuadrantTest", + "Checks values in the top left quadrant", TEST_ENABLED +}; +static const SDLTest_TestCaseReference atan2TestQuadrantBottomRight = { + atan2_bottomRightQuadrantTest, "atan2_bottomRightQuadrantTest", + "Checks values in the bottom right quadrant", TEST_ENABLED +}; +static const SDLTest_TestCaseReference atan2TestQuadrantBottomLeft = { + atan2_bottomLeftQuadrantTest, "atan2_bottomLeftQuadrantTest", + "Checks values in the bottom left quadrant", TEST_ENABLED +}; + +static const SDLTest_TestCaseReference *mathTests[] = { + &floorTestInf, &floorTestZero, &floorTestNan, + &floorTestRound, &floorTestFraction, &floorTestRange, + + &ceilTestInf, &ceilTestZero, &ceilTestNan, + &ceilTestRound, &ceilTestFraction, &ceilTestRange, + + &truncTestInf, &truncTestZero, &truncTestNan, + &truncTestRound, &truncTestFraction, &truncTestRange, + + &roundTestInf, &roundTestZero, &roundTestNan, + &roundTestRound, &roundTestFraction, &roundTestRange, + + &fabsTestInf, &fabsTestZero, &fabsTestNan, &fabsTestRange, + + ©signTestInf, ©signTestZero, ©signTestNan, ©signTestRange, + + &fmodTestDivOfInf, &fmodTestDivByInf, &fmodTestDivOfZero, &fmodTestDivByZero, + &fmodTestNan, &fmodTestRegular, &fmodTestRange, + + &expTestInf, &expTestZero, &expTestOverflow, + &expTestBase, &expTestRegular, + + &logTestLimit, &logTestNan, + &logTestBase, &logTestRegular, + + &log10TestLimit, &log10TestNan, + &log10TestBase, &log10TestRegular, + + &modfTestBase, + + &powTestExpInf1, &powTestExpInf2, &powTestExpInf3, + &powTestBaseInf1, &powTestBaseInf2, + &powTestNan1, &powTestNan2, &powTestNan3, &powTestNan4, + &powTestZero1, &powTestZero2, &powTestZero3, &powTestZero4, + &powTestRegular, &powTestPowOf2, &powTestRange, + + &sqrtTestInf, &sqrtTestNan, &sqrtTestDomain, + &sqrtTestBase, &sqrtTestRegular, + + &scalbnTestInf, &scalbnTestBaseZero, &scalbnTestExpZero, + &scalbnTestNan, &scalbnTestRegular, + + &cosTestInf, &cosTestNan, &cosTestRegular, + &cosTestPrecision, &cosTestRange, + + &sinTestInf, &sinTestNan, &sinTestRegular, + &sinTestPrecision, &sinTestRange, + + &tanTestInf, &tanTestNan, &tanTestZero, &tanTestPrecision, + + &acosTestLimit, &acosTestOutOfDomain, &acosTestNan, &acosTestPrecision, + + &asinTestLimit, &asinTestOutOfDomain, &asinTestNan, &asinTestPrecision, + + &atanTestLimit, &atanTestZero, &atanTestNan, &atanTestPrecision, + + &atan2TestZero1, &atan2TestZero2, &atan2TestZero3, + &atan2TestInf1, &atan2TestInf2, &atan2TestInf3, + &atan2TestNan, &atan2TestQuadrantTopRight, &atan2TestQuadrantTopLeft, + &atan2TestQuadrantBottomRight, &atan2TestQuadrantBottomLeft, + + NULL +}; + +SDLTest_TestSuiteReference mathTestSuite = { + "Math", + NULL, + mathTests, + NULL +}; -- cgit v1.2.3