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- #include <math.h>
- #include "math_private.h"
- float
- powf (float x, float y)
- {
- #if defined(__UCLIBC_HAS_FENV__)
- float z = (float) __ieee754_pow ((double) x, (double) y);
- if (__builtin_expect (!isfinite (z), 0))
- {
- if (_LIB_VERSION != _IEEE_)
- {
- if (isnan (x))
- {
- if (y == 0.0f)
-
- return __kernel_standard_f (x, y, 142);
- }
- else if (isfinite (x) && isfinite (y))
- {
- if (isnan (z))
-
- return __kernel_standard_f (x, y, 124);
- else if (x == 0.0f && y < 0.0f)
- {
- if (signbit (x) && signbit (z))
-
- return __kernel_standard_f (x, y, 123);
- else
-
- return __kernel_standard_f (x, y, 143);
- }
- else
-
- return __kernel_standard_f (x, y, 121);
- }
- }
- }
- else if (__builtin_expect (z == 0.0f, 0) && isfinite (x) && isfinite (y)
- && _LIB_VERSION != _IEEE_)
- {
- if (x == 0.0f)
- {
- if (y == 0.0f)
-
- return __kernel_standard_f (x, y, 120);
- }
- else
-
- return __kernel_standard_f (x, y, 122);
- }
- return z;
- #else
- return (float) __ieee754_pow ((double) x, (double) y);
- #endif
- }
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