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authorUlrich Drepper <drepper@redhat.com>1999-07-14 00:54:57 +0000
committerUlrich Drepper <drepper@redhat.com>1999-07-14 00:54:57 +0000
commitabfbdde177c3a7155070dda1b2cdc8292054cc26 (patch)
treee021306b596381fbf8311d2b7eb294e918ff17c8 /sysdeps/libm-ieee754/s_ceil.c
parent86421aa57ecfd70963ae66848bd6a6dd3b8e0fe6 (diff)
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Update.
Diffstat (limited to 'sysdeps/libm-ieee754/s_ceil.c')
-rw-r--r--sysdeps/libm-ieee754/s_ceil.c85
1 files changed, 0 insertions, 85 deletions
diff --git a/sysdeps/libm-ieee754/s_ceil.c b/sysdeps/libm-ieee754/s_ceil.c
deleted file mode 100644
index 1b352a679e..0000000000
--- a/sysdeps/libm-ieee754/s_ceil.c
+++ /dev/null
@@ -1,85 +0,0 @@
-/* @(#)s_ceil.c 5.1 93/09/24 */
-/*
- * ====================================================
- * 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: s_ceil.c,v 1.8 1995/05/10 20:46:53 jtc Exp $";
-#endif
-
-/*
- * ceil(x)
- * Return x rounded toward -inf to integral value
- * Method:
- * Bit twiddling.
- * Exception:
- * Inexact flag raised if x not equal to ceil(x).
- */
-
-#include "math.h"
-#include "math_private.h"
-
-#ifdef __STDC__
-static const double huge = 1.0e300;
-#else
-static double huge = 1.0e300;
-#endif
-
-#ifdef __STDC__
- double __ceil(double x)
-#else
- double __ceil(x)
- double x;
-#endif
-{
- int32_t i0,i1,j0;
- u_int32_t i,j;
- EXTRACT_WORDS(i0,i1,x);
- j0 = ((i0>>20)&0x7ff)-0x3ff;
- if(j0<20) {
- if(j0<0) { /* raise inexact if x != 0 */
- if(huge+x>0.0) {/* return 0*sign(x) if |x|<1 */
- if(i0<0) {i0=0x80000000;i1=0;}
- else if((i0|i1)!=0) { i0=0x3ff00000;i1=0;}
- }
- } else {
- i = (0x000fffff)>>j0;
- if(((i0&i)|i1)==0) return x; /* x is integral */
- if(huge+x>0.0) { /* raise inexact flag */
- if(i0>0) i0 += (0x00100000)>>j0;
- i0 &= (~i); i1=0;
- }
- }
- } else if (j0>51) {
- if(j0==0x400) return x+x; /* inf or NaN */
- else return x; /* x is integral */
- } else {
- i = ((u_int32_t)(0xffffffff))>>(j0-20);
- if((i1&i)==0) return x; /* x is integral */
- if(huge+x>0.0) { /* raise inexact flag */
- if(i0>0) {
- if(j0==20) i0+=1;
- else {
- j = i1 + (1<<(52-j0));
- if(j<i1) i0+=1; /* got a carry */
- i1 = j;
- }
- }
- i1 &= (~i);
- }
- }
- INSERT_WORDS(x,i0,i1);
- return x;
-}
-weak_alias (__ceil, ceil)
-#ifdef NO_LONG_DOUBLE
-strong_alias (__ceil, __ceill)
-weak_alias (__ceil, ceill)
-#endif