From a76cc51ac8d217be4c2a969a6be8965cf72d5d1a Mon Sep 17 00:00:00 2001
From: Lew Rossman <LRossman@cinci.rr.com>
Date: Thu, 5 Nov 2020 21:54:10 -0500
Subject: [PATCH] Allow negative EN_SETTING value in EN_setlinkvalue

Makes EN_setlinkvalue consistent with how an input file is read. This addresses issue #616 .
---
 src/epanet.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/epanet.c b/src/epanet.c
index 0f6fb12..e249e1b 100644
--- a/src/epanet.c
+++ b/src/epanet.c
@@ -3886,7 +3886,6 @@ int DLLEXPORT EN_setlinkvalue(EN_Project p, int index, int property, double valu
 
     case EN_INITSETTING:
     case EN_SETTING:
-        if (value < 0.0) return 211;
         if (Link[index].Type == PIPE || Link[index].Type == CVPIPE)
         {
             return EN_setlinkvalue(p, index, EN_ROUGHNESS, value);
@@ -3896,6 +3895,7 @@ int DLLEXPORT EN_setlinkvalue(EN_Project p, int index, int property, double valu
             switch (Link[index].Type)
             {
             case PUMP:
+                if (value < 0.0) return 211;
                 break;
             case PRV:
             case PSV: