trunc(3) - NetBSD Manual Pages

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


NAME
trunc, truncf, truncl -- 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); long double truncl(long double x);
DESCRIPTION
The trunc(), truncf(), and truncl() functions return the nearest integral value with magnitude less than or equal to |x|. They are equivalent to rint(), rintf(), and rintl() 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(), truncf(), and truncl() functions conform to ISO/IEC 9899:1999 (``ISO C99''). NetBSD 9.3 November 13, 2013 NetBSD 9.3

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