From e949b18d828d799619fabd27476e05edf35d0d02 Mon Sep 17 00:00:00 2001
From: Travis Oliphant <oliphant@enthought.com>
Date: Sat, 22 Mar 2008 01:00:25 +0000
Subject: Fix ticket #670.

---
 numpy/core/src/ufuncobject.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'numpy/core/src/ufuncobject.c')

diff --git a/numpy/core/src/ufuncobject.c b/numpy/core/src/ufuncobject.c
index 4f5b29825..8a4f828d8 100644
--- a/numpy/core/src/ufuncobject.c
+++ b/numpy/core/src/ufuncobject.c
@@ -3440,7 +3440,7 @@ typedef struct {
 static int
 cmp_arg_types(int *arg1, int *arg2, int n)
 {
-    while (n--) {
+    for (;n>0; n--, arg1++, arg2++) {
         if (PyArray_EquivTypenums(*arg1, *arg2)) continue;
         if (PyArray_CanCastSafely(*arg1, *arg2))
             return -1;
-- 
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