$OpenBSD: patch-src_CMap3D_cpp,v 1.1 2017/07/08 10:34:14 espie Exp $

Index: src/CMap3D.cpp
--- src/CMap3D.cpp.orig
+++ src/CMap3D.cpp
@@ -49,6 +49,8 @@
 #define isnan(x) _isnan(x)
 #define isinf(x) (!_finite(x))
 #endif
+using std::isnan;
+using std::isinf;
 
 #define APPERTURE_ANGLE 60.0
 
