NAME
trunc,
truncf
- nearest integral value with magnitude less than or equal to |x|
LIBRARY
Math Library (libm, -lm)
SYNOPSIS
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'') .