glibc/math/w_remainderl.c

/* w_remainderl.c -- long double version of w_remainder.c.
 * Conversion to long double by Ulrich Drepper,
 * Cygnus Support, drepper@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.
 * ====================================================
 */

#if defined(LIBM_SCCS) && !defined(lint)
static char rcsid[] = "$NetBSD: $";
#endif

/*
 * wrapper remainderl(x,p)
 */

#include <math.h>
#include <math_private.h>

#ifdef __STDC__
	long double __remainderl(long double x, long double y)
		/* wrapper remainderl */
#else
	long double __remainderl(x,y)			/* wrapper remainder */
	long double x,y;
#endif
{
#ifdef _IEEE_LIBM
	return __ieee754_remainderl(x,y);
#else
	long double z;
	z = __ieee754_remainderl(x,y);
	if(_LIB_VERSION == _IEEE_ || __isnanl(y) || __isnanl(x)) return z;
	if(y==0.0 || __isinf_nsl(x))
	    return __kernel_standard(x,y,228); /* remainder(x,0) */
	else
	    return z;
#endif
}
weak_alias (__remainderl, remainderl)