MODF(3) BSD Library Functions Manual MODF(3)NAMEmodf — extract signed integral and fractional values from floating-point
modf(double value, double *iptr);
The modf() function breaks the argument value into integral and frac‐
tional parts, each of which has the same sign as the argument. It stores
the integral part as a double in the object pointed to by iptr.
The modf() function returns the signed fractional part of value.
SEE ALSOfrexp(3), ldexp(3), math(3)STANDARDS
The modf() function conforms to ANSI X3.159-1989 (“ANSI C89”).
BSD June 4, 1993 BSD