From decc74a62afcd8e2693e68eb64203bbea8a82425 Mon Sep 17 00:00:00 2001
From: Thomas Knudsen <thokn@sdfe.dk>
Date: Fri, 6 Oct 2017 19:28:47 +0200
Subject: Resolve OSS-Fuzz issue 1836: Division by zero in gn_sinu setup

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

(limited to 'src')

diff --git a/src/PJ_gn_sinu.c b/src/PJ_gn_sinu.c
index 745cd5ca..d13f2834 100644
--- a/src/PJ_gn_sinu.c
+++ b/src/PJ_gn_sinu.c
@@ -173,7 +173,7 @@ PJ *PROJECTION(gn_sinu) {
     if (pj_param(P->ctx, P->params, "tn").i && pj_param(P->ctx, P->params, "tm").i) {
         Q->n = pj_param(P->ctx, P->params, "dn").f;
         Q->m = pj_param(P->ctx, P->params, "dm").f;
-        if (Q->n < 0 || Q->m < 0)
+        if (Q->n <= 0 || Q->m < 0)
             return destructor (P, PJD_ERR_INVALID_M_OR_N);
     } else
         return destructor (P, PJD_ERR_INVALID_M_OR_N);
-- 
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