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MODF(3) 		   Linux Programmers Manual		      MODF(3)



NAME
       modf, modff, modfl - extract signed integral and fractional values from
       floating-point number

SYNOPSIS
       #include 

       double modf(double x, double *iptr);
       float modff(float x, float *iptr);
       long double modfl(long double x, long double *iptr);

       Link with -lm.

DESCRIPTION
       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.

RETURN VALUE
       The modf() function returns the fractional part of x.

CONFORMING TO
       SVr4, 4.3BSD, C89.  The float and long double variants are C99 require
       ments.

SEE ALSO
       frexp(3), ldexp(3)

COLOPHON
       This  page  is  part of release 3.05 of the Linux man-pages project.  A
       description of the project, and information about reporting  bugs,  can
       be found at http://www.kernel.org/doc/man-pages/.



				  2002-07-27			       MODF(3)




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