define isnan as _isnan for MS-VC 6-10

oehhar · oehhar · commit 5d3f4951afc0 · 2025-10-08T17:06:19.000+02:00
diff --git a/generic/nanosvgrast.h b/generic/nanosvgrast.h
@@ -47,6 +47,11 @@ extern "C" {
 #define NANOSVG_free free
 #endif
 
+/* for MS-VC6-10, define isnan */
+#if defined(_MSC_VER) && _MSC_VER <= 1600
+#define isnan(a) _isnan(a)
+#endif
+
 typedef struct NSVGrasterizer NSVGrasterizer;
 
 /* Example Usage:
