From 714e0528229072a0708d3a7abfbe44c73516bccb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?B=C3=A5rd=20Skaflestad?= <Bard.Skaflestads@sintef.no>
Date: Tue, 21 Dec 2010 09:31:54 +0000
Subject: [PATCH] Preserve parameter validity status in (nrhs == 2) case.
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Signed-off-by: Bård Skaflestad <Bard.Skaflestad@sintef.no>
---
 processgrid.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/processgrid.c b/processgrid.c
index 53c34169..c03233ed 100644
--- a/processgrid.c
+++ b/processgrid.c
@@ -388,7 +388,7 @@ args_ok(int nlhs, int nrhs, const mxArray *prhs[])
   ok = ok && (mxGetFieldNumber(prhs[0], "ZCORN"   ) >= 0);
   ok = ok && (mxGetFieldNumber(prhs[0], "ACTNUM"  ) >= 0);
 
-  if (nrhs == 2) {
+  if (ok && (nrhs == 2)) {
     ok = mxIsDouble(prhs[1]) && (mxGetNumberOfElements(prhs[1]) == 1);
   }