Developer's Daily | Unix by Example |
main | java | perl | unix | dev directory | web log |
modf ? extract signed integral and fractional values from floating-point number |
#include <math.h> double modf(double x, double *iptr); |
The modf() function breaks the argument x into an integral part and a fractional part, each of which has the same sign as x. The integral part is stored in iptr. |
The modf() function returns the fractional part of x. |
SVID 3, POSIX, BSD 4.3, ISO 9899 |
frexp(3), ldexp(3) |