I while back (few months) I posted a diff here which defined M_PI_2
for those platforms that haven't got it in the standard run-time lib.
Today I checked the current CVS state and I found I had forgotten to
report one additional line that needed fixing: see the diff below.
--- ../../1original/OpenEXR/src/IlmBase/ImathTest/testQuat.cpp
2007-10-20 03:05:41.000000000 +0200
+++ IlmBase/ImathTest/testQuat.cpp 2008-06-17 08:27:13.000000000 +0200
@@ -38,6 +38,7 @@
#include "ImathMatrixAlgo.h"
#include "ImathFun.h"
#include "ImathLimits.h"
+#include "ImathPlatform.h" /* [i_a] M_PI_2 */
#include <iostream>
#include <cassert>
#include <cmath>