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home | helpMODF(3) BSD Library Functions Manual MODF(3) NAME modf -- extract signed integral and fractional values from floating-point number LIBRARY Math Library (libm, -lm) SYNOPSIS #include <math.h> double modf(double value, double *iptr); float modff(float value, float *iptr); DESCRIPTION The modf() function breaks the argument value into integral and fractional 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. RETURN VALUES The modf() function returns the signed fractional part of value. SEE ALSO frexp(3), ldexp(3), math(3) STANDARDS The modf() function conforms to ANSI X3.159-1989 ("ANSI C89"). BSD March 21, 2006 BSD
NAME | LIBRARY | SYNOPSIS | DESCRIPTION | RETURN VALUES | SEE ALSO | STANDARDS