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Diffstat (limited to 'libm/w_sinhf.c')
| -rw-r--r-- | libm/w_sinhf.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/libm/w_sinhf.c b/libm/w_sinhf.c new file mode 100644 index 000000000..5318c7f61 --- /dev/null +++ b/libm/w_sinhf.c @@ -0,0 +1,37 @@ +/* w_sinhf.c -- float version of w_sinh.c. + * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com. + */ + +/* + * ==================================================== + * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. + * + * Developed at SunPro, a Sun Microsystems, Inc. business. + * Permission to use, copy, modify, and distribute this + * software is freely granted, provided that this notice + * is preserved. + * ==================================================== + */ + +/* + * wrapper sinhf(x) + */ + +#include <math.h> +#include "math_private.h" + +float +sinhf (float x) +{ +#if __UCLIBC_HAS_FENV__ + float z = (float) __ieee754_sinh ((double) x); + if (__builtin_expect (!isfinite (z), 0) && isfinite (x) + && _LIB_VERSION != _IEEE_) + return __kernel_standard_f (x, x, 125); /* sinhf overflow */ + + return z; +#else + return (float) __ieee754_sinh ((double) x); +#endif +} + |