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authorUlrich Drepper <drepper@redhat.com>1998-02-11 13:11:40 +0000
committerUlrich Drepper <drepper@redhat.com>1998-02-11 13:11:40 +0000
commit4a7ceb5a83feade78f5a35b2f82ff1c6c8ea7fcb (patch)
treeca55af9bf0f28cc7a14419113fa87ce72b97e836 /stdlib/strtod.c
parent1eb687d0b865ea0d97bb774b23a764f1c4369475 (diff)
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Update.
1998-02-11 08:30 H.J. Lu <hjl@gnu.org> * sysdeps/libm-ieee754/w_powl.c (__powl): Use __finitel instead of __finite.
Diffstat (limited to 'stdlib/strtod.c')
-rw-r--r--stdlib/strtod.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/stdlib/strtod.c b/stdlib/strtod.c
index e93ec9add2..061cedc98a 100644
--- a/stdlib/strtod.c
+++ b/stdlib/strtod.c
@@ -1,6 +1,6 @@
/* Read decimal floating point numbers.
This file is part of the GNU C Library.
- Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
+ Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
The GNU C Library is free software; you can redistribute it and/or
@@ -1091,10 +1091,15 @@ INTERNAL (STRTOF) (nptr, endptr, group LOCALE_PARAM)
count_leading_zeros (cnt, den[densize - 1]);
- (void) __mpn_lshift (den, den, densize, cnt);
- cy = __mpn_lshift (num, num, numsize, cnt);
- if (cy != 0)
- num[numsize++] = cy;
+ if (cnt > 0)
+ {
+ /* Don't call `mpn_shift' with a count of zero since the specification
+ does not allow this. */
+ (void) __mpn_lshift (den, den, densize, cnt);
+ cy = __mpn_lshift (num, num, numsize, cnt);
+ if (cy != 0)
+ num[numsize++] = cy;
+ }
/* Now we are ready for the division. But it is not necessary to
do a full multi-precision division because we only need a small