mirror of
https://github.com/microsoft/vcpkg.git
synced 2024-11-27 15:49:07 +08:00
29 lines
649 B
Diff
29 lines
649 B
Diff
|
diff --git "a/lib/csa/nan.h" "b/lib/csa/nan.h"
|
||
|
|
index 29fd3d2f..7f16e8c8 100644
|
||
|
|
--- "a/lib/csa/nan.h"
|
||
|
|
+++ "b/lib/csa/nan.h"
|
||
|
|
@@ -19,6 +19,16 @@
|
||
|
|
#if !defined ( _NAN_H )
|
||
|
|
#define _NAN_H
|
||
|
|
|
||
|
|
+// Try to use the implementation-provided NAN constant:
|
||
|
|
+
|
||
|
|
+#include <math.h>
|
||
|
|
+
|
||
|
|
+#if defined(NAN)
|
||
|
|
+
|
||
|
|
+#define NaN ((double)NAN)
|
||
|
|
+
|
||
|
|
+#else // ^^^ implementation provides NAN // implementation does not provide NAN vvv
|
||
|
|
+
|
||
|
|
#if ( defined ( __GNUC__ ) && !defined ( __ICC ) ) || defined ( __BORLANDC__ )
|
||
|
|
|
||
|
|
static const double NaN = 0.0 / 0.0;
|
||
|
|
@@ -63,4 +73,6 @@ static const long long lNaN = ( (unsigned long long) 1 << 63 ) - 1;
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
+#endif // defined(NAN)
|
||
|
|
+
|
||
|
|
#endif
|