trunc(3) - NetBSD Manual Pages

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 6.0.4 March 31, 2006 NetBSD 6.0.4

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