69 inline int isnan(
double x)
74 inline int isinf(
double x)
79 inline int isfinite(
double x)
85 inline double nearbyint(
double x) {
87 return int( x + 0.5 );
89 return int( x - 0.5 );
92 inline double round (
double _value ) {
93 return nearbyint(_value);
101 #endif // VSTOOLS_HH defined