| /* wf_asin.c -- float version of w_asin.c. |
| * Conversion to float by Ian Lance Taylor, Cygnus Support, [email protected]. |
| */ |
| |
| /* |
| * ==================================================== |
| * 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 asinf(x) |
| */ |
| |
| |
| #include "fdlibm.h" |
| #include <errno.h> |
| |
| #ifdef __STDC__ |
| float asinf(float x) /* wrapper asinf */ |
| #else |
| float asinf(x) /* wrapper asinf */ |
| float x; |
| #endif |
| { |
| #ifdef _IEEE_LIBM |
| return __ieee754_asinf(x); |
| #else |
| float z; |
| struct exception exc; |
| z = __ieee754_asinf(x); |
| if(_LIB_VERSION == _IEEE_ || isnan(x)) return z; |
| if(fabsf(x)>(float)1.0) { |
| /* asinf(|x|>1) */ |
| exc.type = DOMAIN; |
| exc.name = "asinf"; |
| exc.err = 0; |
| exc.arg1 = exc.arg2 = (double)x; |
| exc.retval = nan(""); |
| if(_LIB_VERSION == _POSIX_) |
| errno = EDOM; |
| else if (!matherr(&exc)) { |
| errno = EDOM; |
| } |
| if (exc.err != 0) |
| errno = exc.err; |
| return (float)exc.retval; |
| } else |
| return z; |
| #endif |
| } |
| |
| #ifdef _DOUBLE_IS_32BITS |
| |
| #ifdef __STDC__ |
| double asin(double x) |
| #else |
| double asin(x) |
| double x; |
| #endif |
| { |
| return (double) asinf((float) x); |
| } |
| |
| #endif /* defined(_DOUBLE_IS_32BITS) */ |
