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Use helper_ddtod function to compare atan2 infinity cases

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This fixes a test failure when building on mingw32 in Release mode.
This commit is contained in:
Anonymous Maarten 2023-10-14 04:52:06 +02:00 committed by Anonymous Maarten
parent 69a6efcd1b
commit 1737340978
1 changed files with 24 additions and 69 deletions
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93
test/testautomation_math.c
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@ -49,6 +49,12 @@ typedef struct
double expected;
} dd_to_d;
#define DD_TO_D_CASE(IDX, X, Y, E) do { \
cases[IDX].x_input = (X); \
cases[IDX].y_input = (Y); \
cases[IDX].expected = (E); \
} while (0)
/*
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
@ -2605,29 +2611,12 @@ atan2_xZeroCases(void *args)
static int
atan2_bothInfCases(void *args)
{
double result;
result = SDL_atan2(INFINITY, INFINITY);
SDLTest_AssertCheck(SDL_fabs(M_PI / 4.0 - result) <= EPSILON,
"Atan2(%f,%f), expected %f, got %f",
INFINITY, INFINITY, M_PI / 4.0, result);
result = SDL_atan2(INFINITY, -INFINITY);
SDLTest_AssertCheck(SDL_fabs(3.0 * M_PI / 4.0 - result) <= EPSILON,
"Atan2(%f,%f), expected %f, got %f",
INFINITY, -INFINITY, 3.0 * M_PI / 4.0, result);
result = SDL_atan2(-INFINITY, INFINITY);
SDLTest_AssertCheck(SDL_fabs(-M_PI / 4.0 - result) <= EPSILON,
"Atan2(%f,%f), expected %f, got %f",
-INFINITY, INFINITY, -M_PI / 4.0, result);
result = SDL_atan2(-INFINITY, -INFINITY);
SDLTest_AssertCheck(SDL_fabs(-3.0 * M_PI / 4.0 - result) <= EPSILON,
"Atan2(%f,%f), expected %f, got %f",
-INFINITY, -INFINITY, -3.0 * M_PI / 4.0, result);
return TEST_COMPLETED;
dd_to_d cases[4];
DD_TO_D_CASE(0, INFINITY, INFINITY, 1.0 * M_PI / 4.0);
DD_TO_D_CASE(1, INFINITY, -INFINITY, 3.0 * M_PI / 4.0);
DD_TO_D_CASE(2, -INFINITY, INFINITY, -1.0 * M_PI / 4.0);
DD_TO_D_CASE(3, -INFINITY, -INFINITY, -3.0 * M_PI / 4.0);
return helper_ddtod("SDL_atan2(bothInfCases)", SDL_atan2, cases, SDL_arraysize(cases));
}
/**
@ -2637,29 +2626,12 @@ atan2_bothInfCases(void *args)
static int
atan2_yInfCases(void *args)
{
double result;
result = SDL_atan2(INFINITY, 1.0);
SDLTest_AssertCheck(SDL_fabs(M_PI / 2.0 - result) <= EPSILON,
"Atan2(%f,%f), expected %f, got %f",
INFINITY, 1.0, M_PI / 2.0, result);
result = SDL_atan2(INFINITY, -1.0);
SDLTest_AssertCheck(SDL_fabs(M_PI / 2.0 - result) <= EPSILON,
"Atan2(%f,%f), expected %f, got %f",
INFINITY, -1.0, M_PI / 2.0, result);
result = SDL_atan2(-INFINITY, 1.0);
SDLTest_AssertCheck(SDL_fabs(-M_PI / 2.0 - result) <= EPSILON,
"Atan2(%f,%f), expected %f, got %f",
-INFINITY, 1.0, -M_PI / 2.0, result);
result = SDL_atan2(-INFINITY, -1.0);
SDLTest_AssertCheck(SDL_fabs(-M_PI / 2.0 - result) <= EPSILON,
"Atan2(%f,%f), expected %f, got %f",
-INFINITY, -1.0, -M_PI / 2.0, result);
return TEST_COMPLETED;
dd_to_d cases[4];
DD_TO_D_CASE(0, INFINITY, 1.0, 1.0 * M_PI / 2.0);
DD_TO_D_CASE(1, INFINITY, -1.0, 1.0 * M_PI / 2.0);
DD_TO_D_CASE(2, -INFINITY, 1.0, -1.0 * M_PI / 2.0);
DD_TO_D_CASE(3, -INFINITY, -1.0, -1.0 * M_PI / 2.0);
return helper_ddtod("SDL_atan2(atan2_yInfCases)", SDL_atan2, cases, SDL_arraysize(cases));
}
/**
@ -2671,29 +2643,12 @@ atan2_yInfCases(void *args)
static int
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(M_PI - result) <= EPSILON,
"Atan2(%f,%f), expected %f, got %f",
1.0, -INFINITY, M_PI, result);
result = SDL_atan2(-1.0, -INFINITY);
SDLTest_AssertCheck(SDL_fabs(-M_PI - result) <= EPSILON,
"Atan2(%f,%f), expected %f, got %f",
-1.0, -INFINITY, -M_PI, result);
return TEST_COMPLETED;
dd_to_d cases[4];
DD_TO_D_CASE(0, 1.0, INFINITY, 0.0);
DD_TO_D_CASE(1, -1.0, INFINITY, -0.0);
DD_TO_D_CASE(2, 1.0, -INFINITY, M_PI);
DD_TO_D_CASE(3, -1.0, -INFINITY, -M_PI);
return helper_ddtod("atan2_xInfCases(atan2_yInfCases)", SDL_atan2, cases, SDL_arraysize(cases));
}
/* Miscelanious cases */