mirror of https://github.com/libsdl-org/SDL
1068 lines
30 KiB
C
1068 lines
30 KiB
C
/**
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* Math test suite
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*/
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#include <math.h>
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#include "SDL.h"
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#include "SDL_test.h"
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/* ================= Test Structs ================== */
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/**
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* Stores a single input and the expected result
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*/
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typedef struct
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{
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double input;
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double expected;
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} d_to_d;
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/**
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* Stores a pair of inputs and the expected result
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*/
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typedef struct
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{
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double x_input, y_input;
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double expected;
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} dd_to_d;
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/*
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NB: You cannot create an array of these structures containing INFINITY or NAN.
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On platforms such as OS/2, they are defined as 'extern const double' making them
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not compile-time constant.
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*/
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/* ================= Test Helpers ================== */
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typedef double(SDLCALL *d_to_d_func)(double);
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typedef double(SDLCALL *dd_to_d_func)(double, double);
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/**
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* \brief Runs all the cases on a given function with a signature double -> double
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*
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* \param func_name, the name of the tested function.
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* \param func, the function to call.
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* \param cases, an array of all the cases.
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* \param cases_size, the size of the cases array.
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*/
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static int
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helper_dtod(const char *func_name, d_to_d_func func,
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const d_to_d *cases, const size_t cases_size)
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{
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Uint32 i;
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for (i = 0; i < cases_size; i++) {
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const double result = func(cases[i].input);
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SDLTest_AssertCheck(result == cases[i].expected,
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"%s(%f), expected %f, got %f",
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func_name,
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cases[i].input,
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cases[i].expected, result);
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}
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return TEST_COMPLETED;
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}
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/**
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* \brief Runs all the cases on a given function with a signature (double, double) -> double
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*
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* \param func_name, the name of the tested function.
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* \param func, the function to call.
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* \param cases, an array of all the cases.
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* \param cases_size, the size of the cases array.
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*/
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static int
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helper_ddtod(const char *func_name, dd_to_d_func func,
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const dd_to_d *cases, const size_t cases_size)
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{
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Uint32 i;
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for (i = 0; i < cases_size; i++) {
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const double result = func(cases[i].x_input, cases[i].y_input);
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SDLTest_AssertCheck(result == cases[i].expected,
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"%s(%f,%f), expected %f, got %f",
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func_name,
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cases[i].x_input, cases[i].y_input,
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cases[i].expected, result);
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}
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return TEST_COMPLETED;
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}
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/**
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* \brief Runs a range of values on a given function with a signature double -> double
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*
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* This function is only meant to test functions that returns the input value if it is
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* integral: f(x) -> x for x in N.
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*
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* \param func_name, the name of the tested function.
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* \param func, the function to call.
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*/
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static int
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helper_range(const char *func_name, d_to_d_func func)
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{
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const Uint32 ITERATIONS = 10000000;
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const Uint32 STEP = SDL_MAX_UINT32 / ITERATIONS;
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Uint32 i;
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double test_value = 0.0;
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SDLTest_AssertPass("%s: Testing a range of %u values with %u steps",
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func_name, ITERATIONS, STEP);
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for (i = 0; i < ITERATIONS; i++, test_value += STEP) {
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double result;
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/* These are tested elsewhere */
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if (isnan(test_value) || isinf(test_value)) {
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continue;
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}
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result = func(test_value);
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if (result != test_value) { /* Only log failures to save performances */
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SDLTest_AssertPass("%s(%.1f), expected %.1f, got %.1f",
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func_name, test_value,
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test_value, result);
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return TEST_ABORTED;
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}
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}
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return TEST_COMPLETED;
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}
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/* ================= Test Case Implementation ================== */
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/* SDL_floor tests functions */
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/**
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* \brief Checks positive and negative infinity.
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*/
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static int
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floor_infCases(void *args)
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{
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double result;
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result = SDL_floor(INFINITY);
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SDLTest_AssertCheck(INFINITY == result,
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"Floor(%f), expected %f, got %f",
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INFINITY, INFINITY, result);
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result = SDL_floor(-INFINITY);
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SDLTest_AssertCheck(-INFINITY == result,
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"Floor(%f), expected %f, got %f",
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-INFINITY, -INFINITY, result);
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return TEST_COMPLETED;
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}
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/**
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* \brief Checks positive and negative zero.
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*/
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static int
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floor_zeroCases(void *args)
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{
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const d_to_d zero_cases[] = { { 0.0, 0.0 }, { -0.0, -0.0 } };
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return helper_dtod("Floor", SDL_floor, zero_cases, SDL_arraysize(zero_cases));
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}
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/**
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* \brief Checks the NaN case.
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*/
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static int
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floor_nanCase(void *args)
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{
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const double result = SDL_floor(NAN);
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SDLTest_AssertCheck(isnan(result),
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"Floor(nan), expected nan, got %f",
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result);
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return TEST_COMPLETED;
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}
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/**
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* \brief Checks round values (x.0) for themselves
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*/
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static int
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floor_roundNumbersCases(void *args)
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{
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const d_to_d round_cases[] = {
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{ 1.0, 1.0 },
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{ -1.0, -1.0 },
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{ 15.0, 15.0 },
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{ -15.0, -15.0 },
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{ 125.0, 125.0 },
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{ -125.0, -125.0 },
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{ 1024.0, 1024.0 },
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{ -1024.0, -1024.0 }
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};
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return helper_dtod("Floor", SDL_floor, round_cases, SDL_arraysize(round_cases));
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}
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/**
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* \brief Checks a set of fractions
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*/
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static int
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floor_fractionCases(void *args)
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{
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const d_to_d frac_cases[] = {
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{ 1.0 / 2.0, 0.0 },
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{ -1.0 / 2.0, -1.0 },
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{ 4.0 / 3.0, 1.0 },
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{ -4.0 / 3.0, -2.0 },
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{ 76.0 / 7.0, 10.0 },
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{ -76.0 / 7.0, -11.0 },
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{ 535.0 / 8.0, 66.0 },
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{ -535.0 / 8.0, -67.0 },
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{ 19357.0 / 53.0, 365.0 },
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{ -19357.0 / 53.0, -366.0 }
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};
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return helper_dtod("Floor", SDL_floor, frac_cases, SDL_arraysize(frac_cases));
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}
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/**
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* \brief Checks a range of values between 0 and UINT32_MAX
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*/
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static int
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floor_rangeTest(void *args)
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{
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return helper_range("Floor", SDL_floor);
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}
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/* SDL_ceil tests functions */
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/**
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* \brief Checks positive and negative infinity.
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*/
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static int
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ceil_infCases(void *args)
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{
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double result;
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result = SDL_ceil(INFINITY);
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SDLTest_AssertCheck(INFINITY == result,
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"Ceil(%f), expected %f, got %f",
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INFINITY, INFINITY, result);
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result = SDL_ceil(-INFINITY);
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SDLTest_AssertCheck(-INFINITY == result,
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"Ceil(%f), expected %f, got %f",
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-INFINITY, -INFINITY, result);
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return TEST_COMPLETED;
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}
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/**
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* \brief Checks positive and negative zero.
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*/
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static int
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ceil_zeroCases(void *args)
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{
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const d_to_d zero_cases[] = { { 0.0, 0.0 }, { -0.0, -0.0 } };
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return helper_dtod("Ceil", SDL_ceil, zero_cases, SDL_arraysize(zero_cases));
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}
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/**
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* \brief Checks the NaN case.
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*/
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static int
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ceil_nanCase(void *args)
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{
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const double result = SDL_ceil(NAN);
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SDLTest_AssertCheck(isnan(result),
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"Ceil(nan), expected nan, got %f",
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result);
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return TEST_COMPLETED;
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}
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/**
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* \brief Checks round values (x.0) for themselves
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*/
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static int
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ceil_roundNumbersCases(void *args)
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{
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const d_to_d round_cases[] = {
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{ 1.0, 1.0 },
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{ -1.0, -1.0 },
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{ 15.0, 15.0 },
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{ -15.0, -15.0 },
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{ 125.0, 125.0 },
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{ -125.0, -125.0 },
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{ 1024.0, 1024.0 },
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{ -1024.0, -1024.0 }
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};
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return helper_dtod("Ceil", SDL_ceil, round_cases, SDL_arraysize(round_cases));
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}
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/**
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* \brief Checks a set of fractions
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*/
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static int
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ceil_fractionCases(void *args)
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{
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const d_to_d frac_cases[] = {
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{ 1.0 / 2.0, 1.0 },
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{ -1.0 / 2.0, -0.0 },
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{ 4.0 / 3.0, 2.0 },
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{ -4.0 / 3.0, -1.0 },
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{ 76.0 / 7.0, 11.0 },
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{ -76.0 / 7.0, -10.0 },
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{ 535.0 / 8.0, 67.0 },
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{ -535.0 / 8.0, -66.0 },
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{ 19357.0 / 53.0, 366.0 },
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{ -19357.0 / 53.0, -365.0 }
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};
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return helper_dtod("Ceil", SDL_ceil, frac_cases, SDL_arraysize(frac_cases));
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}
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/**
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* \brief Checks a range of values between 0 and UINT32_MAX
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*/
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static int
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ceil_rangeTest(void *args)
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{
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return helper_range("Ceil", SDL_ceil);
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}
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/* SDL_trunc tests functions */
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/**
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* \brief Checks positive and negative infinity.
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*/
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static int
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trunc_infCases(void *args)
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{
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double result;
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result = SDL_trunc(INFINITY);
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SDLTest_AssertCheck(INFINITY == result,
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"Trunc(%f), expected %f, got %f",
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INFINITY, INFINITY, result);
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result = SDL_trunc(-INFINITY);
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SDLTest_AssertCheck(-INFINITY == result,
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"Trunc(%f), expected %f, got %f",
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-INFINITY, -INFINITY, result);
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return TEST_COMPLETED;
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}
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/**
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* \brief Checks positive and negative zero.
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*/
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static int
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trunc_zeroCases(void *args)
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{
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const d_to_d zero_cases[] = { { 0.0, 0.0 }, { -0.0, -0.0 } };
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return helper_dtod("Trunc", SDL_trunc, zero_cases, SDL_arraysize(zero_cases));
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}
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/**
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* \brief Checks the NaN case.
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*/
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static int
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trunc_nanCase(void *args)
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{
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const double result = SDL_trunc(NAN);
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SDLTest_AssertCheck(isnan(result),
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"Trunc(nan), expected nan, got %f",
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result);
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return TEST_COMPLETED;
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}
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/**
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* \brief Checks round values (x.0) for themselves
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*/
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static int
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trunc_roundNumbersCases(void *args)
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{
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const d_to_d round_cases[] = {
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{ 1.0, 1.0 },
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{ -1.0, -1.0 },
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{ 15.0, 15.0 },
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{ -15.0, -15.0 },
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{ 125.0, 125.0 },
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{ -125.0, -125.0 },
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{ 1024.0, 1024.0 },
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{ -1024.0, -1024.0 }
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};
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return helper_dtod("Trunc", SDL_trunc, round_cases, SDL_arraysize(round_cases));
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}
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/**
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* \brief Checks a set of fractions
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*/
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static int
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trunc_fractionCases(void *args)
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{
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const d_to_d frac_cases[] = {
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{ 1.0 / 2.0, 0.0 },
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{ -1.0 / 2.0, -0.0 },
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{ 4.0 / 3.0, 1.0 },
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{ -4.0 / 3.0, -1.0 },
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{ 76.0 / 7.0, 10.0 },
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{ -76.0 / 7.0, -10.0 },
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{ 535.0 / 8.0, 66.0 },
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{ -535.0 / 8.0, -66.0 },
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{ 19357.0 / 53.0, 365.0 },
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{ -19357.0 / 53.0, -365.0 }
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};
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return helper_dtod("Trunc", SDL_trunc, frac_cases, SDL_arraysize(frac_cases));
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}
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/**
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* \brief Checks a range of values between 0 and UINT32_MAX
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*/
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static int
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trunc_rangeTest(void *args)
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{
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return helper_range("Trunc", SDL_trunc);
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}
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/* SDL_round tests functions */
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/**
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* \brief Checks positive and negative infinity.
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*/
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static int
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round_infCases(void *args)
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{
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double result;
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result = SDL_round(INFINITY);
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SDLTest_AssertCheck(INFINITY == result,
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"Round(%f), expected %f, got %f",
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INFINITY, INFINITY, result);
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result = SDL_round(-INFINITY);
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SDLTest_AssertCheck(-INFINITY == result,
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"Round(%f), expected %f, got %f",
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-INFINITY, -INFINITY, result);
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return TEST_COMPLETED;
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}
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/**
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* \brief Checks positive and negative zero.
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*/
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static int
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round_zeroCases(void *args)
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{
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const d_to_d zero_cases[] = { { 0.0, 0.0 }, { -0.0, -0.0 } };
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return helper_dtod("Round", SDL_round, zero_cases, SDL_arraysize(zero_cases));
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}
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/**
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* \brief Checks the NaN case.
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*/
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static int
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round_nanCase(void *args)
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{
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const double result = SDL_round(NAN);
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SDLTest_AssertCheck(isnan(result),
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"Round(nan), expected nan, got %f",
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result);
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return TEST_COMPLETED;
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}
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|
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/**
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* \brief Checks round values (x.0) for themselves
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*/
|
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static int
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round_roundNumbersCases(void *args)
|
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{
|
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const d_to_d round_cases[] = {
|
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{ 1.0, 1.0 },
|
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{ -1.0, -1.0 },
|
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{ 15.0, 15.0 },
|
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{ -15.0, -15.0 },
|
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{ 125.0, 125.0 },
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{ -125.0, -125.0 },
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{ 1024.0, 1024.0 },
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{ -1024.0, -1024.0 }
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};
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return helper_dtod("Round", SDL_round, round_cases, SDL_arraysize(round_cases));
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}
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|
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/**
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* \brief Checks a set of fractions
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*/
|
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static int
|
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round_fractionCases(void *args)
|
|
{
|
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const d_to_d frac_cases[] = {
|
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{ 1.0 / 2.0, 1.0 },
|
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{ -1.0 / 2.0, -1.0 },
|
|
{ 4.0 / 3.0, 1.0 },
|
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{ -4.0 / 3.0, -1.0 },
|
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{ 76.0 / 7.0, 11.0 },
|
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{ -76.0 / 7.0, -11.0 },
|
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{ 535.0 / 8.0, 67.0 },
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{ -535.0 / 8.0, -67.0 },
|
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{ 19357.0 / 53.0, 365.0 },
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{ -19357.0 / 53.0, -365.0 }
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};
|
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return helper_dtod("Round", SDL_round, frac_cases, SDL_arraysize(frac_cases));
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}
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|
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/**
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* \brief Checks a range of values between 0 and UINT32_MAX
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*/
|
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static int
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round_rangeTest(void *args)
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{
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return helper_range("Round", SDL_round);
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}
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|
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/* SDL_fabs tests functions */
|
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/**
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* \brief Checks positive and negative infinity.
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*/
|
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static int
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fabs_infCases(void *args)
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{
|
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double result;
|
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|
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result = SDL_fabs(INFINITY);
|
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SDLTest_AssertCheck(INFINITY == result,
|
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"Fabs(%f), expected %f, got %f",
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INFINITY, INFINITY, result);
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|
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result = SDL_fabs(-INFINITY);
|
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SDLTest_AssertCheck(INFINITY == result,
|
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"Fabs(%f), expected %f, got %f",
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-INFINITY, INFINITY, result);
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|
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return TEST_COMPLETED;
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}
|
|
|
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/**
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* \brief Checks positive and negative zero
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*/
|
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static int
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fabs_zeroCases(void *args)
|
|
{
|
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const d_to_d zero_cases[] = { { 0.0, 0.0 }, { -0.0, 0.0 } };
|
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return helper_dtod("Fabs", SDL_fabs, zero_cases, SDL_arraysize(zero_cases));
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}
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/**
|
|
* \brief Checks the NaN case.
|
|
*/
|
|
static int
|
|
fabs_nanCase(void *args)
|
|
{
|
|
const double result = SDL_fabs(NAN);
|
|
SDLTest_AssertCheck(isnan(result),
|
|
"Fabs(nan), expected nan, got %f",
|
|
result);
|
|
return TEST_COMPLETED;
|
|
}
|
|
|
|
/**
|
|
* \brief Checks a range of values between 0 and UINT32_MAX
|
|
*/
|
|
static int
|
|
fabs_rangeTest(void *args)
|
|
{
|
|
return helper_range("Fabs", SDL_fabs);
|
|
}
|
|
|
|
/* SDL_copysign tests functions */
|
|
|
|
/**
|
|
* \brief Checks positive and negative inifnity.
|
|
*/
|
|
static int
|
|
copysign_infCases(void *args)
|
|
{
|
|
double result;
|
|
|
|
result = SDL_copysign(INFINITY, -1.0);
|
|
SDLTest_AssertCheck(-INFINITY == result,
|
|
"Copysign(%f,%.1f), expected %f, got %f",
|
|
INFINITY, -1.0, -INFINITY, result);
|
|
|
|
result = SDL_copysign(INFINITY, 1.0);
|
|
SDLTest_AssertCheck(INFINITY == result,
|
|
"Copysign(%f,%.1f), expected %f, got %f",
|
|
INFINITY, 1.0, INFINITY, result);
|
|
|
|
result = SDL_copysign(-INFINITY, -1.0);
|
|
SDLTest_AssertCheck(-INFINITY == result,
|
|
"Copysign(%f,%.1f), expected %f, got %f",
|
|
-INFINITY, -1.0, -INFINITY, result);
|
|
|
|
result = SDL_copysign(-INFINITY, 1.0);
|
|
SDLTest_AssertCheck(INFINITY == result,
|
|
"Copysign(%f,%.1f), expected %f, got %f",
|
|
-INFINITY, 1.0, INFINITY, result);
|
|
|
|
return TEST_COMPLETED;
|
|
}
|
|
|
|
/**
|
|
* \brief Checks positive and negative zero.
|
|
*/
|
|
static int
|
|
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));
|
|
}
|
|
|
|
/**
|
|
* \brief Checks the NaN cases.
|
|
*/
|
|
static int
|
|
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;
|
|
}
|
|
|
|
/**
|
|
* \brief Checks a range of values between 0 and UINT32_MAX
|
|
*/
|
|
static int
|
|
copysign_rangeTest(void *args)
|
|
{
|
|
const Uint32 ITERATIONS = 10000000;
|
|
const Uint32 STEP = SDL_MAX_UINT32 / ITERATIONS;
|
|
Uint32 i;
|
|
double test_value = 0.0;
|
|
|
|
SDLTest_AssertPass("Fabs: Testing a range of %u values with %u steps",
|
|
ITERATIONS, STEP);
|
|
|
|
for (i = 0; i < ITERATIONS; i++, test_value += 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_AssertPass("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_AssertPass("Copysign(%.1f,%.1f), expected %.1f, got %.1f",
|
|
test_value, -1.0,
|
|
-test_value, result);
|
|
return TEST_ABORTED;
|
|
}
|
|
}
|
|
return TEST_COMPLETED;
|
|
}
|
|
|
|
/* SDL_fmod tests functions */
|
|
|
|
/**
|
|
* \brief Checks division of positive and negative inifnity.
|
|
*/
|
|
static int
|
|
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;
|
|
}
|
|
|
|
/**
|
|
* \brief Checks division by positive and negative inifnity.
|
|
*/
|
|
static int
|
|
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;
|
|
}
|
|
|
|
/**
|
|
* \brief Checks division of positive and negative zero.
|
|
*/
|
|
static int
|
|
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));
|
|
}
|
|
|
|
/**
|
|
* \brief Checks division by positive and negative zero.
|
|
*/
|
|
static int
|
|
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;
|
|
}
|
|
|
|
/**
|
|
* \brief Checks the NaN cases.
|
|
*/
|
|
static int
|
|
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;
|
|
}
|
|
|
|
/**
|
|
* \brief Checks a set of regular values.
|
|
*/
|
|
static int
|
|
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));
|
|
}
|
|
|
|
/**
|
|
* \brief Checks a range of values between 0 and UINT32_MAX
|
|
*/
|
|
static int
|
|
fmod_rangeTest(void *args)
|
|
{
|
|
const Uint32 ITERATIONS = 10000000;
|
|
const Uint32 STEP = SDL_MAX_UINT32 / ITERATIONS;
|
|
Uint32 i;
|
|
double test_value = 0.0;
|
|
|
|
SDLTest_AssertPass("Fabs: Testing a range of %u values with %u steps",
|
|
ITERATIONS, STEP);
|
|
|
|
for (i = 0; i < ITERATIONS; i++, test_value += 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_AssertPass("Fmod(%.1f,%.1f), expected %.1f, got %.1f",
|
|
test_value, 1.0,
|
|
0.0, result);
|
|
return TEST_ABORTED;
|
|
}
|
|
}
|
|
return TEST_COMPLETED;
|
|
}
|
|
|
|
/* ================= Test References ================== */
|
|
|
|
/* SDL_floor test cases */
|
|
|
|
static const SDLTest_TestCaseReference floorTestInf = {
|
|
(SDLTest_TestCaseFp) floor_infCases, "floor_infCases",
|
|
"Check positive and negative infinity", TEST_ENABLED
|
|
};
|
|
static const SDLTest_TestCaseReference floorTestZero = {
|
|
(SDLTest_TestCaseFp) floor_zeroCases, "floor_zeroCases",
|
|
"Check positive and negative zero", TEST_ENABLED
|
|
};
|
|
static const SDLTest_TestCaseReference floorTestNan = {
|
|
(SDLTest_TestCaseFp) floor_nanCase, "floor_nanCase",
|
|
"Check the NaN special case", TEST_ENABLED
|
|
};
|
|
static const SDLTest_TestCaseReference floorTestRound = {
|
|
(SDLTest_TestCaseFp) floor_roundNumbersCases, "floor_roundNumberCases",
|
|
"Check a set of round numbers", TEST_ENABLED
|
|
};
|
|
static const SDLTest_TestCaseReference floorTestFraction = {
|
|
(SDLTest_TestCaseFp) floor_fractionCases, "floor_fractionCases",
|
|
"Check a set of fractions", TEST_ENABLED
|
|
};
|
|
static const SDLTest_TestCaseReference floorTestRange = {
|
|
(SDLTest_TestCaseFp) floor_rangeTest, "floor_rangeTest",
|
|
"Check a range of positive integer", TEST_ENABLED
|
|
};
|
|
|
|
/* SDL_ceil test cases */
|
|
|
|
static const SDLTest_TestCaseReference ceilTestInf = {
|
|
(SDLTest_TestCaseFp) ceil_infCases, "ceil_infCases",
|
|
"Check positive and negative infinity", TEST_ENABLED
|
|
};
|
|
static const SDLTest_TestCaseReference ceilTestZero = {
|
|
(SDLTest_TestCaseFp) ceil_zeroCases, "ceil_zeroCases",
|
|
"Check positive and negative zero", TEST_ENABLED
|
|
};
|
|
static const SDLTest_TestCaseReference ceilTestNan = {
|
|
(SDLTest_TestCaseFp) ceil_nanCase, "ceil_nanCase",
|
|
"Check the NaN special case", TEST_ENABLED
|
|
};
|
|
static const SDLTest_TestCaseReference ceilTestRound = {
|
|
(SDLTest_TestCaseFp) ceil_roundNumbersCases, "ceil_roundNumberCases",
|
|
"Check a set of round numbers", TEST_ENABLED
|
|
};
|
|
static const SDLTest_TestCaseReference ceilTestFraction = {
|
|
(SDLTest_TestCaseFp) ceil_fractionCases, "ceil_fractionCases",
|
|
"Check a set of fractions", TEST_ENABLED
|
|
};
|
|
static const SDLTest_TestCaseReference ceilTestRange = {
|
|
(SDLTest_TestCaseFp) ceil_rangeTest, "ceil_rangeTest",
|
|
"Check a range of positive integer", TEST_ENABLED
|
|
};
|
|
|
|
/* SDL_trunc test cases */
|
|
|
|
static const SDLTest_TestCaseReference truncTestInf = {
|
|
(SDLTest_TestCaseFp) trunc_infCases, "trunc_infCases",
|
|
"Check positive and negative infinity", TEST_ENABLED
|
|
};
|
|
static const SDLTest_TestCaseReference truncTestZero = {
|
|
(SDLTest_TestCaseFp) trunc_zeroCases, "trunc_zeroCases",
|
|
"Check positive and negative zero", TEST_ENABLED
|
|
};
|
|
static const SDLTest_TestCaseReference truncTestNan = {
|
|
(SDLTest_TestCaseFp) trunc_nanCase, "trunc_nanCase",
|
|
"Check the NaN special case", TEST_ENABLED
|
|
};
|
|
static const SDLTest_TestCaseReference truncTestRound = {
|
|
(SDLTest_TestCaseFp) trunc_roundNumbersCases, "trunc_roundNumberCases",
|
|
"Check a set of round numbers", TEST_ENABLED
|
|
};
|
|
static const SDLTest_TestCaseReference truncTestFraction = {
|
|
(SDLTest_TestCaseFp) trunc_fractionCases, "trunc_fractionCases",
|
|
"Check a set of fractions", TEST_ENABLED
|
|
};
|
|
static const SDLTest_TestCaseReference truncTestRange = {
|
|
(SDLTest_TestCaseFp) trunc_rangeTest, "trunc_rangeTest",
|
|
"Check a range of positive integer", TEST_ENABLED
|
|
};
|
|
|
|
/* SDL_round test cases */
|
|
|
|
static const SDLTest_TestCaseReference roundTestInf = {
|
|
(SDLTest_TestCaseFp) round_infCases, "round_infCases",
|
|
"Check positive and negative infinity", TEST_ENABLED
|
|
};
|
|
static const SDLTest_TestCaseReference roundTestZero = {
|
|
(SDLTest_TestCaseFp) round_zeroCases, "round_zeroCases",
|
|
"Check positive and negative zero", TEST_ENABLED
|
|
};
|
|
static const SDLTest_TestCaseReference roundTestNan = {
|
|
(SDLTest_TestCaseFp) round_nanCase, "round_nanCase",
|
|
"Check the NaN special case", TEST_ENABLED
|
|
};
|
|
static const SDLTest_TestCaseReference roundTestRound = {
|
|
(SDLTest_TestCaseFp) round_roundNumbersCases, "round_roundNumberCases",
|
|
"Check a set of round numbers", TEST_ENABLED
|
|
};
|
|
static const SDLTest_TestCaseReference roundTestFraction = {
|
|
(SDLTest_TestCaseFp) round_fractionCases, "round_fractionCases",
|
|
"Check a set of fractions", TEST_ENABLED
|
|
};
|
|
static const SDLTest_TestCaseReference roundTestRange = {
|
|
(SDLTest_TestCaseFp) round_rangeTest, "round_rangeTest",
|
|
"Check a range of positive integer", TEST_ENABLED
|
|
};
|
|
|
|
/* SDL_fabs test cases */
|
|
|
|
static const SDLTest_TestCaseReference fabsTestInf = {
|
|
(SDLTest_TestCaseFp) fabs_infCases, "fabs_infCases",
|
|
"Check positive and negative infinity", TEST_ENABLED
|
|
};
|
|
static const SDLTest_TestCaseReference fabsTestZero = {
|
|
(SDLTest_TestCaseFp) fabs_zeroCases, "fabs_zeroCases",
|
|
"Check positive and negative zero", TEST_ENABLED
|
|
};
|
|
static const SDLTest_TestCaseReference fabsTestNan = {
|
|
(SDLTest_TestCaseFp) fabs_nanCase, "fabs_nanCase",
|
|
"Check the NaN special case", TEST_ENABLED
|
|
};
|
|
static const SDLTest_TestCaseReference fabsTestRange = {
|
|
(SDLTest_TestCaseFp) fabs_rangeTest, "fabs_rangeTest",
|
|
"Check a range of positive integer", TEST_ENABLED
|
|
};
|
|
|
|
/* SDL_copysign test cases */
|
|
|
|
static const SDLTest_TestCaseReference copysignTestInf = {
|
|
(SDLTest_TestCaseFp) copysign_infCases, "copysign_infCases",
|
|
"Check positive and negative infinity", TEST_ENABLED
|
|
};
|
|
static const SDLTest_TestCaseReference copysignTestZero = {
|
|
(SDLTest_TestCaseFp) copysign_zeroCases, "copysign_zeroCases",
|
|
"Check positive and negative zero", TEST_ENABLED
|
|
};
|
|
static const SDLTest_TestCaseReference copysignTestNan = {
|
|
(SDLTest_TestCaseFp) copysign_nanCases, "copysign_nanCases",
|
|
"Check the NaN special cases", TEST_ENABLED
|
|
};
|
|
static const SDLTest_TestCaseReference copysignTestRange = {
|
|
(SDLTest_TestCaseFp) copysign_rangeTest, "copysign_rangeTest",
|
|
"Check a range of positive integer", TEST_ENABLED
|
|
};
|
|
|
|
/* SDL_fmod test cases */
|
|
|
|
static const SDLTest_TestCaseReference fmodTestDivOfInf = {
|
|
(SDLTest_TestCaseFp) fmod_divOfInfCases, "fmod_divOfInfCases",
|
|
"Check division of positive and negative infinity", TEST_ENABLED
|
|
};
|
|
static const SDLTest_TestCaseReference fmodTestDivByInf = {
|
|
(SDLTest_TestCaseFp) fmod_divByInfCases, "fmod_divByInfCases",
|
|
"Check division by positive and negative infinity", TEST_ENABLED
|
|
};
|
|
static const SDLTest_TestCaseReference fmodTestDivOfZero = {
|
|
(SDLTest_TestCaseFp) fmod_divOfZeroCases, "fmod_divOfZeroCases",
|
|
"Check division of positive and negative zero", TEST_ENABLED
|
|
};
|
|
static const SDLTest_TestCaseReference fmodTestDivByZero = {
|
|
(SDLTest_TestCaseFp) fmod_divByZeroCases, "fmod_divByZeroCases",
|
|
"Check division by positive and negative zero", TEST_ENABLED
|
|
};
|
|
static const SDLTest_TestCaseReference fmodTestNan = {
|
|
(SDLTest_TestCaseFp) fmod_nanCases, "fmod_nanCases",
|
|
"Check the NaN special cases", TEST_ENABLED
|
|
};
|
|
static const SDLTest_TestCaseReference fmodTestRegular = {
|
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(SDLTest_TestCaseFp) fmod_regularCases, "fmod_regularCases",
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"Check a set of regular values", TEST_ENABLED
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};
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static const SDLTest_TestCaseReference fmodTestRange = {
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(SDLTest_TestCaseFp) fmod_rangeTest, "fmod_rangeTest",
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"Check a range of positive integer", TEST_ENABLED
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};
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static const SDLTest_TestCaseReference *mathTests[] = {
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&floorTestInf, &floorTestZero, &floorTestNan,
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&floorTestRound, &floorTestFraction, &floorTestRange,
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&ceilTestInf, &ceilTestZero, &ceilTestNan,
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&ceilTestRound, &ceilTestFraction, &ceilTestRange,
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&truncTestInf, &truncTestZero, &truncTestNan,
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&truncTestRound, &truncTestFraction, &truncTestRange,
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&roundTestInf, &roundTestZero, &roundTestNan,
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&roundTestRound, &roundTestFraction, &roundTestRange,
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&fabsTestInf, &fabsTestZero, &fabsTestNan, &fabsTestRange,
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©signTestInf, ©signTestZero, ©signTestNan, ©signTestRange,
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&fmodTestDivOfInf, &fmodTestDivByInf, &fmodTestDivOfZero, &fmodTestDivByZero,
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&fmodTestNan, &fmodTestRegular, &fmodTestRange,
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NULL
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};
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SDLTest_TestSuiteReference mathTestSuite = { "Math", NULL, mathTests, NULL };
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