Merge pull request #13 from sdteffen/pumpEN_LINKPATTERN

ENgetlinkvalue(EN_LINKPATTERN) allows to retrieve pump patterns.

src/epanet.c

@@ -1734,6 +1734,11 @@ int DLLEXPORT ENgetlinkvalue(int index, int code, float *value)
       case EN_LINKQUAL:
          v = avgqual(index) * Ucf[LINKQUAL];
          break;
+
+      case EN_LINKPATTERN:
+         if (Link[index].Type == PUMP)
+            v = (double)Pump[PUMPINDEX(index)].Upat;
+         break;
          
       default: return(251);
    }

src/toolkit.h

@@ -79,6 +79,7 @@ AUTHOR:     L. Rossman
 #define EN_SETTING      12
 #define EN_ENERGY       13
 #define EN_LINKQUAL     14     /* TNT */
+#define EN_LINKPATTERN  15
 
 #define EN_DURATION     0    /* Time parameters */
 #define EN_HYDSTEP      1