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OpenDarwin 7.2.1 - man page for trunc (opendarwin section 3)

TRUNC(3)				     BSD Library Functions Manual				     TRUNC(3)

NAME
trunc -- truncate to integer value
SYNOPSIS
#include <math.h> double trunc(double x); float truncf(float x);
DESCRIPTION
The trunc() and truncf() functions return the integral value nearest to but no larger in magnitude than x.
SPECIAL VALUES
trunc(+-0) returns +-0. trunc(+-infinity) returns +-infinity.
SEE ALSO
ceil(3), ieee(3), rint(3), math(3)
STANDARDS
The trunc() and truncf() functions conform to ISO/IEC 9899:1999(E).
BSD
January 29, 2003 BSD


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