trunc(3) - NetBSD Manual Pages

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TRUNC(3)                NetBSD Library Functions Manual               TRUNC(3)


NAME

     trunc, truncf -- nearest integral value with magnitude less than or equal
     to |x|


LIBRARY

     Math Library (libm, -lm)


SYNOPSIS

     #include <math.h>

     double
     trunc(double x);

     float
     truncf(float x);


DESCRIPTION

     The trunc() and truncf() functions return the nearest integral value with
     magnitude less than or equal to |x|.  They are equivalent to rint() and
     rintf() respectively, in the FP_RZ rounding mode.


SEE ALSO

     ceil(3), floor(3), fpsetround(3), math(3), nextafter(3), rint(3),
     round(3)


STANDARDS

     The trunc() and truncf() functions conform to ISO/IEC 9899:1999
     (``ISO C99'').

NetBSD 6.1.2                    March 31, 2006                    NetBSD 6.1.2