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[/] [openrisc/] [trunk/] [gnu-stable/] [newlib-1.18.0/] [newlib/] [libm/] [math/] [wf_sinh.c] - Rev 859
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/* wf_sinh.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 "fdlibm.h" #include <errno.h> #ifdef __STDC__ float sinhf(float x) /* wrapper sinhf */ #else float sinhf(x) /* wrapper sinhf */ float x; #endif { #ifdef _IEEE_LIBM return __ieee754_sinhf(x); #else float z; struct exception exc; z = __ieee754_sinhf(x); if(_LIB_VERSION == _IEEE_) return z; if(!finitef(z)&&finitef(x)) { /* sinhf(finite) overflow */ #ifndef HUGE_VAL #define HUGE_VAL inf double inf = 0.0; SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */ #endif exc.type = OVERFLOW; exc.name = "sinhf"; exc.err = 0; exc.arg1 = exc.arg2 = (double)x; if (_LIB_VERSION == _SVID_) exc.retval = ( (x>0.0) ? HUGE : -HUGE); else exc.retval = ( (x>0.0) ? HUGE_VAL : -HUGE_VAL); if (_LIB_VERSION == _POSIX_) errno = ERANGE; else if (!matherr(&exc)) { errno = ERANGE; } if (exc.err != 0) errno = exc.err; return (float)exc.retval; } else return z; #endif } #ifdef _DOUBLE_IS_32BITS #ifdef __STDC__ double sinh(double x) #else double sinh(x) double x; #endif { return (double) sinhf((float) x); } #endif /* defined(_DOUBLE_IS_32BITS) */
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