[Scummvm-cvs-logs] SF.net SVN: scummvm: [29791] scummvm/trunk/graphics/primitives.cpp

[fingolfin at users.sourceforge.net]

Revision: 29791
          http://scummvm.svn.sourceforge.net/scummvm/?rev=29791&view=rev
Author:   fingolfin
Date:     2007-12-09 06:43:31 -0800 (Sun, 09 Dec 2007)

Log Message:
-----------
Fix for bug #1845876: MACOSX 10.2.8: sqrtf undefined

Modified Paths:
--------------
    scummvm/trunk/graphics/primitives.cpp

Modified: scummvm/trunk/graphics/primitives.cpp
===================================================================
--- scummvm/trunk/graphics/primitives.cpp	2007-12-09 13:41:59 UTC (rev 29790)
+++ scummvm/trunk/graphics/primitives.cpp	2007-12-09 14:43:31 UTC (rev 29791)
@@ -26,6 +26,13 @@
 
 namespace Graphics {
 
+#ifdef MACOSX
+// Older versions of Mac OS X didn't supply a sqrtf function. To ensure
+// binary compatibiity, we force using pow instead of sqrtf (the only
+// potential drawback is that it might be a little bit slower).
+#define sqrtf sqrt
+#endif
+
 void drawLine(int x0, int y0, int x1, int y1, int color, void (*plotProc)(int, int, int, void *), void *data) {
 	// Bresenham's line algorithm, as described by Wikipedia
 	const bool steep = ABS(y1 - y0) > ABS(x1 - x0);


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