From 29132b91519572e6076003735cd6f718ff2e1369 Mon Sep 17 00:00:00 2001
From: Ulrich Drepper <drepper@redhat.com>
Date: Wed, 5 Dec 2001 19:19:20 +0000
Subject: Update.

	* iconvdata/ibm1129.h: Remove duplicate mappings.
	* iconvdata/ibm937.c: Handle overflow errors.  Handle new tables.
	* iconvdata/ibm937.h: Reorganize table to safe a lot of space.
	Patch by Masahide Washizawa <WASHI@jp.ibm.com>.

	* timezone/zic.c: Fix handling of turnaround times.
	Patch by Arthur David Olson <olsona@dc37a.nci.nih.gov>.

2001-12-02  Moshe Olshansky  <OLSHANSK@il.ibm.com>

	* sysdeps/ieee754/dbl-64/e_remainder.c (__ieee754_remainder): Fix
	overflow problem.

2001-12-05  Ulrich Drepper  <drepper@redhat.com>

	* posix/regex.c: For use outside glibc defined bounded pointer
	macros here.  Patch by Jim Meyering <jim@meyering.net>.
---
 sysdeps/ieee754/dbl-64/e_remainder.c | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

(limited to 'sysdeps/ieee754')

diff --git a/sysdeps/ieee754/dbl-64/e_remainder.c b/sysdeps/ieee754/dbl-64/e_remainder.c
index 9c82ae7..2001321 100644
--- a/sysdeps/ieee754/dbl-64/e_remainder.c
+++ b/sysdeps/ieee754/dbl-64/e_remainder.c
@@ -55,8 +55,8 @@ double __ieee754_remainder(double x, double y)
   kx=u.i[HIGH_HALF]&0x7fffffff; /* no sign  for x*/
   t.i[HIGH_HALF]&=0x7fffffff;   /*no sign for y */
   ky=t.i[HIGH_HALF];
-  /*------ |x| < 2^1024  and   2^-970 < |y| < 2^1024 ------------------*/
-  if (kx<0x7ff00000 && ky<0x7ff00000 && ky>=0x03500000) {
+  /*------ |x| < 2^1023  and   2^-970 < |y| < 2^1024 ------------------*/
+  if (kx<0x7fe00000 && ky<0x7ff00000 && ky>=0x03500000) {
     if (kx+0x00100000<ky) return x;
     if ((kx-0x01500000)<ky) {
       z=x/t.x;
@@ -100,14 +100,22 @@ double __ieee754_remainder(double x, double y)
         {z=u.x/t.x; d=(z+big.x)-big.x; return ((u.x-d*w.x)-d*ww.x);}
     }
 
-  }   /*   (kx<0x7ff00000&&ky<0x7ff00000&&ky>=0x03500000)     */
+  }   /*   (kx<0x7fe00000&&ky<0x7ff00000&&ky>=0x03500000)     */
   else {
-    if (kx<0x7ff00000&&ky<0x7ff00000&&(ky>0||t.i[LOW_HALF]!=0)) {
+    if (kx<0x7fe00000&&ky<0x7ff00000&&(ky>0||t.i[LOW_HALF]!=0)) {
       y=ABS(y)*t128.x;
       z=__ieee754_remainder(x,y)*t128.x;
       z=__ieee754_remainder(z,y)*tm128.x;
       return z;
     }
+  else {
+    if ((kx&0x7ff00000)==0x7fe00000&&ky<0x7ff00000&&(ky>0||t.i[LOW_HALF]!=0)) {
+      y=ABS(y);
+      z=2.0*__ieee754_remainder(0.5*x,y);
+      d = ABS(z);
+      if (d <= ABS(d-y)) return z;
+      else return (z>0)?z-y:z+y;
+    }
     else { /* if x is too big */
       if (kx == 0x7ff00000 && u.i[LOW_HALF] == 0 && y == 1.0)
 	return x / x;
@@ -116,5 +124,6 @@ double __ieee754_remainder(double x, double y)
 	return (u.i[HIGH_HALF]&0x80000000)?nNAN.x:NAN.x;
       else return x;
     }
+   }
   }
 }
-- 
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