From da58bedc8a3512a9a4d4272c9ce89b7dd6fe4324 Mon Sep 17 00:00:00 2001
From: black <black@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Wed, 26 Jul 2006 10:35:38 +0000
Subject: [PATCH] 'Catch' divisions by zero in the VM: print a warning if
developer >= 1 and return 0.0 as result of the operation.
git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@6532 d7cf8633-e32d-0410-b094-e92efae38249
---
prvm_execprogram.h | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/prvm_execprogram.h b/prvm_execprogram.h
index b9504c84..78d859e0 100644
--- a/prvm_execprogram.h
+++ b/prvm_execprogram.h
@@ -47,7 +47,17 @@
OPC->vector[2] = OPB->_float * OPA->vector[2];
break;
case OP_DIV_F:
- OPC->_float = OPA->_float / OPB->_float;
+ if( OPB->_float != 0.0f )
+ {
+ OPC->_float = OPA->_float / OPB->_float;
+ }
+ else
+ {
+ if( developer.integer >= 1 ) {
+ VM_Warning( "Attempted division by zero in %s\n", PRVM_NAME );
+ }
+ OPC->_float = 0.0f;
+ }
break;
case OP_BITAND:
OPC->_float = (int)OPA->_float & (int)OPB->_float;
--
2.39.5