c@304: 
c@304: #ifndef NAN_INF_H
c@304: #define NAN_INF_H
c@304: 
c@304: #include <math.h>
c@304: 
c@304: #ifdef sun
c@304: 
c@304: #include <ieeefp.h>
c@304: #define ISNAN(x) ((sizeof(x)==sizeof(float))?isnanf(x):isnand(x))
c@304: #define ISINF(x) (!finite(x))
c@304: 
c@304: #else
c@304: 
c@304: #define ISNAN(x) isnan(x)
c@304: #define ISINF(x) isinf(x)
c@304: 
c@304: #endif
c@304: 
c@304: #endif