From 05a10084c8b1006fc7f7c1b5d92defecc9d98627 Mon Sep 17 00:00:00 2001
From: Rajit Manohar <rajit.manohar@yale.edu>
Date: Wed, 22 Feb 2023 13:18:52 -0500
Subject: [PATCH] skip negatives

---
 chpsim.cc | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/chpsim.cc b/chpsim.cc
index 7e2c358..949f237 100644
--- a/chpsim.cc
+++ b/chpsim.cc
@@ -301,6 +301,9 @@ static void _get_costs (stateinfo_t *si, ActId *id, chpsimstmt *stmt)
   if (config_exists (buf)) {
     if (debug_metrics) fprintf (stderr, " >> found %s\n", buf);
     stmt->delay_cost = config_get_int (buf);
+    if (stmt->delay_cost < 0) {
+      stmt->delay_cost = 0;
+    }
   }
   else {
     // default delay is 10
@@ -320,6 +323,9 @@ static void _get_costs (stateinfo_t *si, ActId *id, chpsimstmt *stmt)
   if (config_exists (buf)) {
     if (debug_metrics) fprintf (stderr, " >> found %s\n", buf);
     stmt->energy_cost = config_get_int (buf);
+    if (stmt->energy_cost < 0) {
+      stmt->energy_cost = 0;
+    }
   }
   else {
     // default energy is 0