Make division by 0 return NAN when output is a floating point type, n…

…ot 0. For now the division by zero warning is kept. Fixed #240.
DarkPlacesEngine · Jan 5, 2025 · 0be808c · 0be808c
1 parent 53b5b45
commit 0be808c
Showing 1 changed file with 6 additions and 6 deletions.
diff --git a/prvm_execprogram.h b/prvm_execprogram.h
@@ -402,7 +402,7 @@ prvm_eval_t *src;
 				{
 					PRE_ERROR();
 					VM_Warning(prog, "Attempted division of %f by zero\n", OPA->_float);
-					OPC->_float = 0.0f;
+					OPC->_float = NAN;
 				}
 				DISPATCH_OPCODE();
 			HANDLE_OPCODE(OP_BITAND_F):
@@ -895,9 +895,9 @@ prvm_eval_t *src;
 				{
 					PRE_ERROR();
 					VM_Warning(prog, "Attempted division of '%f %f %f' by zero\n", OPA->vector[0], OPA->vector[1], OPA->vector[2]);
-					OPC->vector[0] = 0.0f;
-					OPC->vector[1] = 0.0f;
-					OPC->vector[2] = 0.0f;
+					OPC->vector[0] = NAN;
+					OPC->vector[1] = NAN;
+					OPC->vector[2] = NAN;
 				}
 				DISPATCH_OPCODE();
 			HANDLE_OPCODE(OP_DIV_I):
@@ -923,7 +923,7 @@ prvm_eval_t *src;
 				{
 					PRE_ERROR();
 					VM_Warning(prog, "Attempted division of %"PRVM_PRIi" by zero\n", OPA->_int);
-					OPC->_float = 0;
+					OPC->_float = NAN;
 				}
 				DISPATCH_OPCODE();
 			HANDLE_OPCODE(OP_DIV_FI):
@@ -935,7 +935,7 @@ prvm_eval_t *src;
 				{
 					PRE_ERROR();
 					VM_Warning(prog, "Attempted division of %f by zero\n", OPA->_float);
-					OPC->_float = 0;
+					OPC->_float = NAN;
 				}
 				DISPATCH_OPCODE();
 			HANDLE_OPCODE(OP_CONV_ITOF):