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- #include <math.h>
- #include "math_private.h"
- #if defined(__UCLIBC_HAS_FENV__)
- #include <errno.h>
- #endif
- float
- tgammaf(float x)
- {
- #if defined(__UCLIBC_HAS_FENV__)
- float y = (float) __ieee754_tgamma((double)x);
- if(__builtin_expect (!isfinite (y) || y == 0, 0)
- && (isfinite (x) || (isinf (x) && x < 0.0))
- && _LIB_VERSION != _IEEE_) {
- if (x == (float)0.0)
-
- return __kernel_standard_f(x, x, 150);
- else if(floorf(x)==x&&x<0.0f)
-
- return __kernel_standard_f(x, x, 141);
- else if (y == 0)
-
- __set_errno (ERANGE);
- else
-
- return __kernel_standard_f(x, x, 140);
- }
- return y;
- #else
- return (float) __ieee754_tgamma((double)x);
- #endif
- }
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