reactos/modules/rostests/apitests/crt/_finite.c
2025-06-23 17:35:21 +00:00

116 lines
4.1 KiB
C

/*
* PROJECT: ReactOS API tests
* LICENSE: MIT (https://spdx.org/licenses/MIT)
* PURPOSE: Tests for _finite / _finitef
* COPYRIGHT: Copyright 2025 Timo Kreuzer <timo.kreuzer@reactos.org>
*/
#if !defined(_CRTBLD) && !defined(_M_IX86)
#define _CRTBLD // we don't want inline _finitef!
#endif
#include "math_helpers.h"
static TESTENTRY_DBL_INT s_finite_tests[] =
{
/* Special values */
{ 0x0000000000000000 /* 0.000000000000000e+000 */, 1 },
{ 0x0000000000000001 /* 0.000000000000000e+000 */, 1 },
{ 0x000fffffffffffff /* 0.000000000000000e+000 */, 1 },
{ 0x8000000000000000 /* -0.000000000000000e+000 */, 1 },
{ 0x8000000000000001 /* -0.000000000000000e+000 */, 1 },
{ 0x800fffffffffffff /* -0.000000000000000e+000 */, 1 },
{ 0x7ff0000000000000 /* 1.#INF00000000000e+000 */, 0 },
{ 0x7ff0000000000001 /* 1.#QNAN0000000000e+000 */, 0 },
{ 0x7ff7ffffffffffff /* 1.#QNAN0000000000e+000 */, 0 },
{ 0x7ff8000000000000 /* 1.#QNAN0000000000e+000 */, 0 },
{ 0x7ff8000000000001 /* 1.#QNAN0000000000e+000 */, 0 },
{ 0x7fffffffffffffff /* 1.#QNAN0000000000e+000 */, 0 },
{ 0xfff0000000000000 /* -1.#INF00000000000e+000 */, 0 },
{ 0xfff0000000000001 /* -1.#QNAN0000000000e+000 */, 0 },
{ 0xfff7ffffffffffff /* -1.#QNAN0000000000e+000 */, 0 },
{ 0xfff8000000000000 /* -1.#IND00000000000e+000 */, 0 },
{ 0xfff8000000000001 /* -1.#QNAN0000000000e+000 */, 0 },
{ 0xffffffffffffffff /* -1.#QNAN0000000000e+000 */, 0 },
/* Some random doubles */
{ 0x386580c747a3402b /* 5.055340589883462e-037 */, 1 },
{ 0xb74298e6627fb9ed /* -1.667860443847725e-042 */, 1 },
{ 0x0ef25f06e414aa2d /* 1.128498317470960e-236 */, 1 },
{ 0x24002a37167638b5 /* 2.780001692929186e-135 */, 1 },
{ 0x44258d1be62a0d22 /* 1.987747995999515e+020 */, 1 },
{ 0x9ed4e46a65aad464 /* -3.715074250469020e-160 */, 1 },
{ 0xc5afcd6f4ae4bf41 /* -4.921195330852160e+027 */, 1 },
{ 0x330fac896cbb01d2 /* 9.624395081137827e-063 */, 1 },
{ 0xc18026ab4c845405 /* -3.387120956461338e+007 */, 1 },
{ 0x2f42a7dc898a741a /* 4.916804395045249e-081 */, 1 },
};
void Test__finite(void)
{
int i;
for (i = 0; i < _countof(s_finite_tests); i++)
{
double x = u64_to_dbl(s_finite_tests[i].x);
int r = _finite(x);
ok(r == s_finite_tests[i].result, "Wrong result for %f [0x%016I64x]. Expected %d, got %d\n", x, s_finite_tests[i].x, s_finite_tests[i].result, r);
}
}
#ifndef _M_IX86
static TESTENTRY_FLT s_finitef_tests[] =
{
/* Special values */
{ 0x00000000 /* 0.000000 */, 1 },
{ 0x00000001 /* 0.000000 */, 1 },
{ 0x007FFFFF /* 0.000000 */, 1 },
{ 0x80000000 /* -0.000000 */, 1 },
{ 0x80000001 /* -0.000000 */, 1 },
{ 0x807FFFFF /* -0.000000 */, 1 },
{ 0x7f800000 /* 1.#INF00 */, 0 },
{ 0x7f800001 /* 1.#SNAN0 */, 0 },
{ 0x7fBFffff /* 1.#SNAN0 */, 0 },
{ 0x7fC00000 /* 1.#QNAN0 */, 0 },
{ 0x7fC80001 /* 1.#QNAN0 */, 0 },
{ 0x7fFfffff /* 1.#QNAN0 */, 0 },
{ 0xff800000 /* -1.#INF00 */, 0 },
{ 0xff800001 /* -1.#SNAN0 */, 0 },
{ 0xffBfffff /* -1.#SNAN0 */, 0 },
{ 0xffC00000 /* -1.#IND00 */, 0 },
{ 0xfff80001 /* -1.#QNAN0 */, 0 },
{ 0xffffffff /* -1.#QNAN0 */, 0 },
/* Some random floats */
{ 0x386580c7 /* 5.471779e-005 */, 1 },
{ 0x47a3402b /* 8.358434e+004 */, 1 },
{ 0xb74298e6 /* -1.159890e-005 */, 1 },
{ 0x627fb9ed /* 1.179329e+021 */, 1 },
{ 0x0ef25f06 /* 5.974911e-030 */, 1 },
{ 0xe414aa2d /* -1.096952e+022 */, 1 },
{ 0x24002a37 /* 2.779133e-017 */, 1 },
{ 0x167638b5 /* 1.988962e-025 */, 1 },
{ 0x44258d1b /* 6.622048e+002 */, 1 },
{ 0xe62a0d22 /* -2.007611e+023 */, 1 },
};
void Test__finitef(void)
{
int i;
for (i = 0; i < _countof(s_finitef_tests); i++)
{
float x = u32_to_flt(s_finitef_tests[i].x);
int r = _finitef(x);
ok(r == s_finitef_tests[i].result, "Wrong result for %f [0x%08lx]. Expected %d, got %d\n", x, s_finitef_tests[i].x, s_finitef_tests[i].result, r);
}
}
#endif // !_MIX86
START_TEST(_finite)
{
Test__finite();
#ifndef _M_IX86
Test__finitef();
#endif // !_MIX86
}