trunc man page on SmartOS

trunc man page on SmartOS

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trunc(3M)		Mathematical Library Functions		     trunc(3M)

NAME
       trunc, truncf, truncl - round to truncated integer value

SYNOPSIS
       c99 [ flag... ] file... -lm [ library... ]
       #include <math.h>

       double trunc(double x);

       float truncf(float x);

       long double truncl(long double x);

DESCRIPTION
       These  functions round their argument to the integer value, in floating
       format, nearest to but no larger in magnitude than the argument.

RETURN VALUES
       Upon successful completion, these functions return the truncated	 inte‐
       ger value.

       If x is NaN, a NaN is returned.

       If x is ±0 or ±Inf, x is returned.

ERRORS
       No errors are defined.

ATTRIBUTES
       See attributes(5) for descriptions of the following attributes:

       ┌─────────────────────────────┬─────────────────────────────┐
       │      ATTRIBUTE TYPE	     │	    ATTRIBUTE VALUE	   │
       ├─────────────────────────────┼─────────────────────────────┤
       │Interface Stability	     │Standard			   │
       ├─────────────────────────────┼─────────────────────────────┤
       │MT-Level		     │MT-Safe			   │
       └─────────────────────────────┴─────────────────────────────┘

SEE ALSO
       math.h(3HEAD), attributes(5), standards(5)

SunOS 5.11			  12 Jul 2006			     trunc(3M)

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