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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_ceill.c
parent86421aa57ecfd70963ae66848bd6a6dd3b8e0fe6 (diff)
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Update.
Diffstat (limited to 'sysdeps/libm-ieee754/s_ceill.c')
-rw-r--r--sysdeps/libm-ieee754/s_ceill.c89
1 files changed, 0 insertions, 89 deletions
diff --git a/sysdeps/libm-ieee754/s_ceill.c b/sysdeps/libm-ieee754/s_ceill.c
deleted file mode 100644
index d53f3954ba..0000000000
--- a/sysdeps/libm-ieee754/s_ceill.c
+++ /dev/null
@@ -1,89 +0,0 @@
-/* s_ceill.c -- long double version of s_ceil.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
-
-/*
- * ceill(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 long double huge = 1.0e4930;
-#else
-static long double huge = 1.0e4930;
-#endif
-
-#ifdef __STDC__
-	long double __ceill(long double x)
-#else
-	long double __ceill(x)
-	long double x;
-#endif
-{
-	int32_t i1,j0;
-	u_int32_t i,j,se,i0,sx;
-	GET_LDOUBLE_WORDS(se,i0,i1,x);
-	sx = (se>>15)&1;
-	j0 = (se&0x7fff)-0x3fff;
-	if(j0<31) {
-	    if(j0<0) { 	/* raise inexact if x != 0 */
-		if(huge+x>0.0) {/* return 0*sign(x) if |x|<1 */
-		    if(sx) {se=0x8000;i0=0;i1=0;}
-		    else if((i0|i1)!=0) { se=0x3fff;i0=0;i1=0;}
-		}
-	    } else {
-		i = (0x7fffffff)>>j0;
-		if(((i0&i)|i1)==0) return x; /* x is integral */
-		if(huge+x>0.0) {	/* raise inexact flag */
-		    if(sx==0) {
-			if (j0>0) i0 += (0x80000000)>>j0;
-			else ++se;
-		    }
-		    i0 &= (~i); i1=0;
-		}
-	    }
-	} else if (j0>62) {
-	    if(j0==0x4000) return x+x;	/* inf or NaN */
-	    else return x;		/* x is integral */
-	} else {
-	    i = ((u_int32_t)(0xffffffff))>>(j0-31);
-	    if((i1&i)==0) return x;	/* x is integral */
-	    if(huge+x>0.0) { 		/* raise inexact flag */
-		if(sx==0) {
-		    if(j0==31) i0+=1;
-		    else {
-			j = i1 + (1<<(63-j0));
-			if(j<i1) i0+=1;	/* got a carry */
-			i1 = j;
-		    }
-		}
-		i1 &= (~i);
-	    }
-	}
-	SET_LDOUBLE_WORDS(x,se,i0,i1);
-	return x;
-}
-weak_alias (__ceill, ceill)