From: Jeroen van Wolffelaar <jeroen@php.net>
Date: Sat, 4 Aug 2001 18:29:37 +0000 (+0000)
Subject: Bugfix. All tests pass now on my system
X-Git-Tag: PRE_ENGINE2_SPLIT~64
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=b245789bdbf35a06d7a6616a615802e5bec9433f;p=php

Bugfix. All tests pass now on my system
---

diff --git a/ext/standard/math.c b/ext/standard/math.c
index 1a448ac02c..378c206ff4 100644
--- a/ext/standard/math.c
+++ b/ext/standard/math.c
@@ -451,6 +451,7 @@ PHP_FUNCTION(pow)
 
 	lbase = Z_LVAL_PP(zbase);
 
+	/* lexp != 0 */
 	switch (lbase) {
 		case -1:
 			RETURN_LONG( lexp & 1 ? -1 : 1 ); /* if lexp=odd ... */
@@ -464,6 +465,13 @@ PHP_FUNCTION(pow)
 			}
 		case 1:
 			RETURN_LONG(1);
+		case LONG_MIN: /* special case since -LONG_MIN == 0 */
+			/* lexp != 0, and only lexp==1 is LONG, DOUBLE otherwise */
+			if (lexp == 1) {
+				RETURN_LONG(LONG_MIN);
+			} else {
+				RETURN_DOUBLE(exp(log(-(double)LONG_MIN) * (double)lexp));
+			}
 		default:
 			/* abs(lbase) > 1 */
 			dval = exp(log((double) (lbase>0?lbase:-lbase)) *