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authorAndrew Haley <aph@redhat.com>2016-09-30 16:24:48 +0000
committerAndrew Haley <aph@gcc.gnu.org>2016-09-30 16:24:48 +0000
commit07b78716af6a9d7c9fd1e94d9baf94a52c873947 (patch)
tree3f22b3241c513ad168c8353805614ae1249410f4 /libjava/classpath/native/fdlibm/e_cosh.c
parenteae993948bae8b788c53772bcb9217c063716f93 (diff)
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Makefile.def: Remove libjava.
2016-09-30 Andrew Haley <aph@redhat.com> * Makefile.def: Remove libjava. * Makefile.tpl: Likewise. * Makefile.in: Regenerate. * configure.ac: Likewise. * configure: Likewise. * gcc/java: Remove. * libjava: Likewise. From-SVN: r240662
Diffstat (limited to 'libjava/classpath/native/fdlibm/e_cosh.c')
-rw-r--r--libjava/classpath/native/fdlibm/e_cosh.c92
1 files changed, 0 insertions, 92 deletions
diff --git a/libjava/classpath/native/fdlibm/e_cosh.c b/libjava/classpath/native/fdlibm/e_cosh.c
deleted file mode 100644
index 5d731ce..0000000
--- a/libjava/classpath/native/fdlibm/e_cosh.c
+++ /dev/null
@@ -1,92 +0,0 @@
-
-/* @(#)e_cosh.c 1.3 95/01/18 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/* __ieee754_cosh(x)
- * Method :
- * mathematically cosh(x) if defined to be (exp(x)+exp(-x))/2
- * 1. Replace x by |x| (cosh(x) = cosh(-x)).
- * 2.
- * [ exp(x) - 1 ]^2
- * 0 <= x <= ln2/2 : cosh(x) := 1 + -------------------
- * 2*exp(x)
- *
- * exp(x) + 1/exp(x)
- * ln2/2 <= x <= 22 : cosh(x) := -------------------
- * 2
- * 22 <= x <= lnovft : cosh(x) := exp(x)/2
- * lnovft <= x <= ln2ovft: cosh(x) := exp(x/2)/2 * exp(x/2)
- * ln2ovft < x : cosh(x) := huge*huge (overflow)
- *
- * Special cases:
- * cosh(x) is |x| if x is +INF, -INF, or NaN.
- * only cosh(0)=1 is exact for finite x.
- */
-
-#include "fdlibm.h"
-
-#ifndef _DOUBLE_IS_32BITS
-
-#ifdef __STDC__
-static const double one = 1.0, half=0.5, huge = 1.0e300;
-#else
-static double one = 1.0, half=0.5, huge = 1.0e300;
-#endif
-
-#ifdef __STDC__
- double __ieee754_cosh(double x)
-#else
- double __ieee754_cosh(x)
- double x;
-#endif
-{
- double t,w;
- int32_t ix;
- uint32_t lx;
-
- /* High word of |x|. */
- GET_HIGH_WORD(ix,x);
- ix &= 0x7fffffff;
-
- /* x is INF or NaN */
- if(ix>=0x7ff00000) return x*x;
-
- /* |x| in [0,0.5*ln2], return 1+expm1(|x|)^2/(2*exp(|x|)) */
- if(ix<0x3fd62e43) {
- t = expm1(fabs(x));
- w = one+t;
- if (ix<0x3c800000) return w; /* cosh(tiny) = 1 */
- return one+(t*t)/(w+w);
- }
-
- /* |x| in [0.5*ln2,22], return (exp(|x|)+1/exp(|x|)/2; */
- if (ix < 0x40360000) {
- t = __ieee754_exp(fabs(x));
- return half*t+half/t;
- }
-
- /* |x| in [22, log(maxdouble)] return half*exp(|x|) */
- if (ix < 0x40862E42) return half*__ieee754_exp(fabs(x));
-
- /* |x| in [log(maxdouble), overflowthresold] */
- lx = *( (((*(unsigned*)&one)>>29)) + (unsigned*)&x);
- if (ix<0x408633CE ||
- (ix==0x408633ce)&&(lx<=(unsigned)0x8fb9f87d)) {
- w = __ieee754_exp(half*fabs(x));
- t = half*w;
- return t*w;
- }
-
- /* |x| > overflowthresold, cosh(x) overflow */
- return huge*huge;
-}
-#endif /* defined(_DOUBLE_IS_32BITS) */