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Test: Add Asin tests to math suite.

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Pierre Wendling 2022-05-21 23:01:50 -04:00 committed by Sam Lantinga
parent 43f6983a24
commit 6b4b6d8e59
1 changed files with 109 additions and 0 deletions
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109
test/testautomation_math.c
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@ -2159,6 +2159,94 @@ acos_precisionTest(void *args)
return helper_dtod_approx("Acos", SDL_acos, precision_cases, SDL_arraysize(precision_cases));
}
/* SDL_asin tests functions */
/**
* \brief Checks limits of the domain (+/-1).
*/
static int
asin_limitCases(void *args)
{
double result;
result = SDL_asin(1.0);
SDLTest_AssertCheck(M_PI / 2.0 == result,
"Asin(%f), expected %f, got %f",
1.0, M_PI / 2.0, result);
result = SDL_asin(-1.0);
SDLTest_AssertCheck(-M_PI / 2.0 == result,
"Asin(%f), expected %f, got %f",
-1.0, -M_PI / 2.0, result);
return TEST_COMPLETED;
}
/**
* \brief Checks values outside the domain (|x| > 1).
*/
static int
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;
}
/**
* \brief Checks for nan.
*/
static int
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;
}
/**
* \brief Checks arc sine precision for the first 10 decimals.
*/
static int
asin_precisionTest(void *args)
{
const d_to_d precision_cases[] = {
{ 0.9, 11197695149.0 },
{ 0.8, 9272952180.0 },
{ 0.7, 7753974966.0 },
{ 0.6, 6435011087.0 },
{ 0.5, 5235987755.0 },
{ 0.4, 4115168460.0 },
{ 0.3, 3046926540.0 },
{ 0.2, 2013579207.0 },
{ 0.1, 1001674211.0 },
{ 0.0, 0.0 },
{ -0.0, -0.0 },
{ -0.1, -1001674211.0 },
{ -0.2, -2013579207.0 },
{ -0.3, -3046926540.0 },
{ -0.4, -4115168460.0 },
{ -0.5, -5235987755.0 },
{ -0.6, -6435011087.0 },
{ -0.7, -7753974966.0 },
{ -0.8, -9272952180.0 },
{ -0.9, -11197695149.0 }
};
return helper_dtod_approx("Asin", SDL_asin, precision_cases, SDL_arraysize(precision_cases));
}
/* ================= Test References ================== */
/* SDL_floor test cases */
@ -2596,6 +2684,25 @@ static const SDLTest_TestCaseReference acosTestPrecision = {
"Check acos precision to the tenth decimal", TEST_ENABLED
};
/* SDL_asin test cases */
static const SDLTest_TestCaseReference asinTestLimit = {
(SDLTest_TestCaseFp) asin_limitCases, "asin_limitCases",
"Check the edge of the domain (+/-1)", TEST_ENABLED
};
static const SDLTest_TestCaseReference asinTestOutOfDomain = {
(SDLTest_TestCaseFp) asin_outOfDomainCases, "asin_outOfDomainCases",
"Check a for value outside the domain", TEST_ENABLED
};
static const SDLTest_TestCaseReference asinTestNan = {
(SDLTest_TestCaseFp) asin_nanCase, "asin_nanCase",
"Check the NaN special case", TEST_ENABLED
};
static const SDLTest_TestCaseReference asinTestPrecision = {
(SDLTest_TestCaseFp) asin_precisionTest, "asin_precisionTest",
"Check asin precision to the tenth decimal", TEST_ENABLED
};
static const SDLTest_TestCaseReference *mathTests[] = {
&floorTestInf, &floorTestZero, &floorTestNan,
&floorTestRound, &floorTestFraction, &floorTestRange,
@ -2647,6 +2754,8 @@ static const SDLTest_TestCaseReference *mathTests[] = {
&acosTestLimit, &acosTestOutOfDomain, &acosTestNan, &acosTestPrecision,
&asinTestLimit, &asinTestOutOfDomain, &asinTestNan, &asinTestPrecision,
NULL
};