Decomposes a floating-point number.

    Format

      #include  <math.h>

      double modf  (double x, double *iptr);

      float modff  (float x, float *iptr);
                   (Integrity servers, Alpha)

      long double modfl  (long double x, long double *iptr);
                         (Integrity servers, Alpha)

  Additional Information (explode) :

• Arguments
• Description
• Return Values