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[Emacs-diffs] master ecd7a94: Fix expt signedness bug --without-wide-int
From: |
Paul Eggert |
Subject: |
[Emacs-diffs] master ecd7a94: Fix expt signedness bug --without-wide-int |
Date: |
Sun, 19 Aug 2018 13:06:17 -0400 (EDT) |
branch: master
commit ecd7a9407711ebe24d7e07d4402a2d66754ee693
Author: Paul Eggert <address@hidden>
Commit: Paul Eggert <address@hidden>
Fix expt signedness bug --without-wide-int
Problem reported by Federico in:
https://lists.gnu.org/r/emacs-devel/2018-08/msg00619.html
* src/floatfns.c (Fexpt): Use TYPE_RANGED_FIXNUMP, not
RANGED_FIXNUMP, to fix bug with unsigned comparison on
platforms built --without-wide-int.
---
src/floatfns.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/floatfns.c b/src/floatfns.c
index 54d068c..7c52a0a 100644
--- a/src/floatfns.c
+++ b/src/floatfns.c
@@ -212,7 +212,7 @@ DEFUN ("expt", Fexpt, Sexpt, 2, 2, 0,
if (INTEGERP (arg1) && NATNUMP (arg2))
{
unsigned long exp;
- if (RANGED_FIXNUMP (0, arg2, ULONG_MAX))
+ if (TYPE_RANGED_FIXNUMP (unsigned long, arg2))
exp = XFIXNUM (arg2);
else if (MOST_POSITIVE_FIXNUM < ULONG_MAX && BIGNUMP (arg2)
&& mpz_fits_ulong_p (XBIGNUM (arg2)->value))
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