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/* Test various type-generic builtins by calling "main_tests()". */
#define FP_NAN 1
#define FP_INFINITE 2
#define FP_NORMAL 3
#define FP_SUBNORMAL 4
#define FP_ZERO 5
#define fpclassify(X) __builtin_fpclassify(FP_NAN, FP_INFINITE, FP_NORMAL, FP_SUBNORMAL, FP_ZERO, (X))
void __attribute__ ((__noinline__))
foo_1 (float f, double d, long double ld,
int res_unord, int res_isnan, int res_isinf,
int res_isinf_sign, int res_isfin, int res_isnorm,
int res_signbit, int classification)
{
if (__builtin_isunordered (f, 0) != res_unord)
__builtin_abort ();
if (__builtin_isunordered (0, f) != res_unord)
__builtin_abort ();
if (__builtin_isunordered (d, 0) != res_unord)
__builtin_abort ();
if (__builtin_isunordered (0, d) != res_unord)
__builtin_abort ();
if (__builtin_isunordered (ld, 0) != res_unord)
__builtin_abort ();
if (__builtin_isunordered (0, ld) != res_unord)
__builtin_abort ();
if (__builtin_isnan (f) != res_isnan)
__builtin_abort ();
if (__builtin_isnan (d) != res_isnan)
__builtin_abort ();
if (__builtin_isnan (ld) != res_isnan)
__builtin_abort ();
if (__builtin_isnanf (f) != res_isnan)
__builtin_abort ();
if (__builtin_isnanl (ld) != res_isnan)
__builtin_abort ();
if (__builtin_isinf (f) != res_isinf)
__builtin_abort ();
if (__builtin_isinf (d) != res_isinf)
__builtin_abort ();
if (__builtin_isinf (ld) != res_isinf)
__builtin_abort ();
if (__builtin_isinff (f) != res_isinf)
__builtin_abort ();
if (__builtin_isinfl (ld) != res_isinf)
__builtin_abort ();
if (__builtin_isinf_sign (f) != res_isinf_sign)
__builtin_abort ();
if (__builtin_isinf_sign (d) != res_isinf_sign)
__builtin_abort ();
if (__builtin_isinf_sign (ld) != res_isinf_sign)
__builtin_abort ();
if (__builtin_isnormal (f) != res_isnorm)
__builtin_abort ();
if (__builtin_isnormal (d) != res_isnorm)
__builtin_abort ();
if (__builtin_isnormal (ld) != res_isnorm)
__builtin_abort ();
if (__builtin_isfinite (f) != res_isfin)
__builtin_abort ();
if (__builtin_isfinite (d) != res_isfin)
__builtin_abort ();
if (__builtin_isfinite (ld) != res_isfin)
__builtin_abort ();
if (__builtin_finitef (f) != res_isfin)
__builtin_abort ();
if (__builtin_finite (f) != res_isfin)
__builtin_abort ();
if (__builtin_finite (d) != res_isfin)
__builtin_abort ();
if (__builtin_finitel (d) != res_isfin)
__builtin_abort ();
if (__builtin_finitel (ld) != res_isfin)
__builtin_abort ();
/* Sign bit of zeros and nans is not preserved in unsafe math mode. */
#ifdef UNSAFE
if (!res_isnan && f != 0 && d != 0 && ld != 0)
#endif
{
if ((__builtin_signbit (f) ? 1 : 0) != res_signbit)
__builtin_abort ();
if ((__builtin_signbit (d) ? 1 : 0) != res_signbit)
__builtin_abort ();
if ((__builtin_signbit (ld) ? 1 : 0) != res_signbit)
__builtin_abort ();
if ((__builtin_signbitf (f) ? 1 : 0) != res_signbit)
__builtin_abort ();
if ((__builtin_signbitl (ld) ? 1 : 0) != res_signbit)
__builtin_abort ();
}
/* Subnormals can abruptly underflow to zero in unsafe math
mode, so bypass testing these numbers if necessary. */
#ifdef UNSAFE
if (classification != FP_SUBNORMAL)
#endif
{
if (fpclassify(f) != classification)
__builtin_abort ();
if (fpclassify(d) != classification)
__builtin_abort ();
if (fpclassify(ld) != classification)
__builtin_abort ();
}
}
void __attribute__ ((__noinline__))
foo (float f, double d, long double ld,
int res_unord, int res_isnan, int res_isinf,
int res_isfin, int res_isnorm, int classification)
{
foo_1 (f, d, ld, res_unord, res_isnan, res_isinf, res_isinf, res_isfin, res_isnorm, 0, classification);
/* Try all the values negated as well. All will have the sign bit set,
except for the nan. */
foo_1 (-f, -d, -ld, res_unord, res_isnan, res_isinf, -res_isinf, res_isfin, res_isnorm, 1, classification);
}
int __attribute__ ((__noinline__))
main_tests (void)
{
volatile float f;
volatile double d;
volatile long double ld;
/* Test NaN. */
f = __builtin_nanf(""); d = __builtin_nan(""); ld = __builtin_nanl("");
foo(f, d, ld, /*unord=*/ 1, /*isnan=*/ 1, /*isinf=*/ 0, /*isfin=*/ 0, /*isnorm=*/ 0, FP_NAN);
/* Test infinity. */
f = __builtin_inff(); d = __builtin_inf(); ld = __builtin_infl();
foo(f, d, ld, /*unord=*/ 0, /*isnan=*/ 0, /*isinf=*/ 1, /*isfin=*/ 0, /*isnorm=*/ 0, FP_INFINITE);
/* Test zero. */
f = 0; d = 0; ld = 0;
foo(f, d, ld, /*unord=*/ 0, /*isnan=*/ 0, /*isinf=*/ 0, /*isfin=*/ 1, /*isnorm=*/ 0, FP_ZERO);
/* Test one. */
f = 1; d = 1; ld = 1;
foo(f, d, ld, /*unord=*/ 0, /*isnan=*/ 0, /*isinf=*/ 0, /*isfin=*/ 1, /*isnorm=*/ 1, FP_NORMAL);
/* Test minimum values. */
f = __FLT_MIN__; d = __DBL_MIN__; ld = __LDBL_MIN__;
foo(f, d, ld, /*unord=*/ 0, /*isnan=*/ 0, /*isinf=*/ 0, /*isfin=*/ 1, /*isnorm=*/ 1, FP_NORMAL);
/* Test subnormal values. */
f = __FLT_MIN__/2; d = __DBL_MIN__/2; ld = __LDBL_MIN__/2;
foo(f, d, ld, /*unord=*/ 0, /*isnan=*/ 0, /*isinf=*/ 0, /*isfin=*/ 1, /*isnorm=*/ 0, FP_SUBNORMAL);
/* Test maximum values. */
f = __FLT_MAX__; d = __DBL_MAX__; ld = __LDBL_MAX__;
foo(f, d, ld, /*unord=*/ 0, /*isnan=*/ 0, /*isinf=*/ 0, /*isfin=*/ 1, /*isnorm=*/ 1, FP_NORMAL);
/* Test overflow values. */
f = __FLT_MAX__*2; d = __DBL_MAX__*2; ld = __LDBL_MAX__*2;
foo(f, d, ld, /*unord=*/ 0, /*isnan=*/ 0, /*isinf=*/ 1, /*isfin=*/ 0, /*isnorm=*/ 0, FP_INFINITE);
return 0;
}
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