Subversion Repositories scarts

/* 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) */