X-Git-Url: https://git.ucc.asn.au/?p=ipdf%2Fcode.git;a=blobdiff_plain;f=src%2Fmain.cpp;h=dc20d75e1103a96c50d8229e3ebf70bc83d8a2f7;hp=848debc0ff7fedd8e25c48459444e375b48a2337;hb=dfba002efc3b5f126ddb69e63b9a7dafdd9eacda;hpb=d9c0c3792133f87cd224dc22be428be8ddc016d8

diff --git a/src/main.cpp b/src/main.cpp
index 848debc..dc20d75 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -3,6 +3,10 @@
 
 #include "controlpanel.h"
 
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+#include <fenv.h>
 
 
 int main(int argc, char ** argv)
@@ -11,6 +15,8 @@ int main(int argc, char ** argv)
        	Warn("__STDC_IEC_559__ not defined. IEEE 754 floating point not fully supported.\n");
 	#endif
 
+	// We want to crash if we ever get a NaN.
+	feenableexcept(FE_DIVBYZERO | FE_INVALID | FE_OVERFLOW);
 
 	Debug("Compiled with REAL = %d => \"%s\" sizeof(Real) == %d bytes", REAL, g_real_name[REAL], sizeof(Real));
 
@@ -46,22 +52,6 @@ int main(int argc, char ** argv)
 				output_bmp = argv[i];
 
 				break;
-			case 'c':
-			{
-				Debug("Reading paint colour");
-				for (int j = 1; j <= 4; ++j)
-				{
-					if (i+j >= argc)
-						Fatal("No %d colour component following -c switch", j);
-					char * e;
-					float * comp = (j == 1) ? (&c.r) : ((j == 2) ? (&c.g) : ((j == 3) ? (&c.b) : &(c.a)));
-					*comp = strtof(argv[i+j], &e);
-					if (*e != '\0')
-						Fatal("Colour component %d not a valid float", j); 
-				}
-				i += 4;
-				break;
-			}
 			case 'b':
 			{
 				Debug("Reading view bounds");