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-rw-r--r--math/w_j0l.c108
1 files changed, 46 insertions, 62 deletions
diff --git a/math/w_j0l.c b/math/w_j0l.c
index a91457d374..a16363d53a 100644
--- a/math/w_j0l.c
+++ b/math/w_j0l.c
@@ -1,76 +1,60 @@
-/* w_j0l.c -- long double version of w_j0.c.
- * Conversion to long double by Ulrich Drepper,
- * Cygnus Support, drepper@cygnus.com.
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
-/*
- * ====================================================
- * 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.
- * ====================================================
- */
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: $";
-#endif
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
-/*
- * wrapper j0l(long double x), y0l(long double x)
- */
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+#include <fenv.h>
#include <math.h>
#include <math_private.h>
-#ifdef __STDC__
- long double __j0l(long double x) /* wrapper j0l */
-#else
- long double __j0l(x) /* wrapper j0 */
- long double x;
-#endif
+
+/* wrapper j0l */
+long double
+__j0l (long double x)
{
-#ifdef _IEEE_LIBM
- return __ieee754_j0l(x);
-#else
- long double z = __ieee754_j0l(x);
- if(_LIB_VERSION == _IEEE_ || __isnanl(x)) return z;
- if(fabsl(x)>X_TLOSS) {
- return __kernel_standard(x,x,234); /* j0(|x|>X_TLOSS) */
- } else
- return z;
-#endif
+ if (__builtin_expect (fabsl (x) > X_TLOSS, 0) && _LIB_VERSION != _IEEE_)
+ /* j0(|x|>X_TLOSS) */
+ return __kernel_standard (x, x, 234);
+
+ return __ieee754_j0l (x);
}
weak_alias (__j0l, j0l)
-#ifdef __STDC__
- long double __y0l(long double x) /* wrapper y0l */
-#else
- long double __y0l(x) /* wrapper y0 */
- long double x;
-#endif
+
+/* wrapper y0l */
+long double
+__y0l (long double x)
{
-#ifdef _IEEE_LIBM
- return __ieee754_y0l(x);
-#else
- long double z;
- z = __ieee754_y0l(x);
- if(_LIB_VERSION == _IEEE_ || __isnanl(x) ) return z;
- if(x <= 0.0){
- if(x==0.0)
- /* d= -one/(x-x); */
- return __kernel_standard(x,x,208);
- else
- /* d = zero/(x-x); */
- return __kernel_standard(x,x,209);
- }
- if(x>X_TLOSS) {
- return __kernel_standard(x,x,235); /* y0(x>X_TLOSS) */
- } else
- return z;
-#endif
-}
+ if (__builtin_expect (x <= 0.0L || x > X_TLOSS, 0) && _LIB_VERSION != _IEEE_)
+ {
+ if (x < 0.0L)
+ {
+ /* d = zero/(x-x) */
+ feraiseexcept (FE_INVALID);
+ return __kernel_standard (x, x, 209);
+ }
+ else if (x == 0.0L)
+ /* d = -one/(x-x) */
+ return __kernel_standard (x, x, 208);
+ else
+ /* y0(x>X_TLOSS) */
+ return __kernel_standard (x, x, 235);
+ }
+ return __ieee754_y0l (x);
+}
weak_alias (__y0l, y0l)