MODF(3) Library Functions Manual MODF(3) NAME modf, modff, modfl -- 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); long double modfl(long double value, long double *iptr); DESCRIPTION The modf(), modff(), and modfl() functions break the argument value into integral and fractional parts, each of which has the same sign as the argu- ment. It stores the integral part as a floating point number in the object pointed to by iptr. RETURN VALUES These functions return the signed fractional part of value. SEE ALSO frexp(3), ldexp(3), math(3) STANDARDS The modf(), modff(), and modfl() functions conform to ISO/IEC 9899:1999 ("ISO C99"). FreeBSD 14.0 March 29, 2008 MODF(3)
NAME | LIBRARY | SYNOPSIS | DESCRIPTION | RETURN VALUES | SEE ALSO | STANDARDS
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