2 files changed, 40 insertions, 0 deletions
diff --git a/include/math.h b/include/math.h
index 19108795..c4da4116 100644
--- a/include/math.h
+++ b/include/math.h
@@ -346,6 +346,7 @@ long double truncl(long double);
 
 
 #if defined(_XOPEN_SOURCE) || defined(_BSD_SOURCE)
+#undef  MAXFLOAT
 #define MAXFLOAT        3.40282347e+38F
 #endif
 
diff --git a/include/values.h b/include/values.h
new file mode 100644
index 00000000..fe4949f8
--- /dev/null
+++ b/include/values.h
@@ -0,0 +1,39 @@
+#ifndef _VALUES_H
+#define _VALUES_H
+
+#include <limits.h>
+
+#define CHARBITS   (sizeof(char)   * 8)
+#define SHORTBITS  (sizeof(short)  * 8)
+#define INTBITS    (sizeof(int)    * 8)
+#define LONGBITS   (sizeof(long)   * 8)
+#define PTRBITS    (sizeof(char *) * 8)
+#define DOUBLEBITS (sizeof(double) * 8)
+#define FLOATBITS  (sizeof(float)  * 8)
+
+#define MINSHORT SHRT_MIN
+#define MININT   INT_MIN
+#define MINLONG  LONG_MIN
+
+#define MAXSHORT SHRT_MAX
+#define MAXINT   INT_MAX
+#define MAXLONG  LONG_MAX
+
+#define HIBITS   MINSHORT
+#define HIBITL   MINLONG
+
+#include <float.h>
+
+#define MAXDOUBLE DBL_MAX
+#undef  MAXFLOAT
+#define MAXFLOAT  FLT_MAX
+#define MINDOUBLE DBL_MIN
+#define MINFLOAT  FLT_MIN
+#define DMINEXP   DBL_MIN_EXP
+#define FMINEXP   FLT_MIN_EXP
+#define DMAXEXP   DBL_MAX_EXP
+#define FMAXEXP   FLT_MAX_EXP
+
+#define BITSPERBYTE CHAR_BIT
+
+#endif