Add tests for errno after sin/cos calls with ±Inf.
[glibc/history.git] / math / w_remainderl.c
blob7635fb93638a2ff392c8c59287325243498429df
1 /* w_remainderl.c -- long double version of w_remainder.c.
2 * Conversion to long double by Ulrich Drepper,
3 * Cygnus Support, drepper@cygnus.com.
4 */
6 /*
7 * ====================================================
8 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
10 * Developed at SunPro, a Sun Microsystems, Inc. business.
11 * Permission to use, copy, modify, and distribute this
12 * software is freely granted, provided that this notice
13 * is preserved.
14 * ====================================================
17 #if defined(LIBM_SCCS) && !defined(lint)
18 static char rcsid[] = "$NetBSD: $";
19 #endif
22 * wrapper remainderl(x,p)
25 #include <math.h>
26 #include "math_private.h"
28 #ifdef __STDC__
29 long double __remainderl(long double x, long double y)
30 /* wrapper remainderl */
31 #else
32 long double __remainderl(x,y) /* wrapper remainder */
33 long double x,y;
34 #endif
36 #ifdef _IEEE_LIBM
37 return __ieee754_remainderl(x,y);
38 #else
39 long double z;
40 z = __ieee754_remainderl(x,y);
41 if(_LIB_VERSION == _IEEE_ || __isnanl(y)) return z;
42 if(y==0.0)
43 return __kernel_standard(x,y,228); /* remainder(x,0) */
44 else
45 return z;
46 #endif
48 weak_alias (__remainderl, remainderl)