Adding columns from 2 files with variable number of columns Post: 303023015

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LEARN ABOUT OPENSOLARIS

fesetprec

fesetprec(3M)						  Mathematical Library Functions					     fesetprec(3M)

NAME

       fesetprec, fegetprec - control floating point rounding precision modes

SYNOPSIS

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

       int fesetprec(int prec);

       int fegetprec(void);

DESCRIPTION

       The  IEEE  754  standard  defines rounding precision modes for systems that always deliver intermediate results to destinations in extended
       double precision format. These modes allow such systems to deliver correctly rounded single and double precision results (in the absence of
       underflow and overflow) with only one rounding.

       The  fesetprec() function sets the current rounding precision to the precision specified by prec, which must be one of the following values
       defined in <fenv.h>:

       FE_FLTPREC     round to single precision

       FE_DBLPREC     round to double precision

       FE_LDBLPREC    round to extended double precision

       The default rounding precision when a program starts is FE_LDBLPREC.

       The fegetprec() function returns the current rounding precision.

RETURN VALUES

       The fesetprec() function returns a non-zero value if the requested rounding precision is established and 0 otherwise.

ATTRIBUTES

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

       +-----------------------------------------------------------+
       |ATTRIBUTE TYPE		      ATTRIBUTE VALUE		   |
       |Architecture		      Intel (see below) 	   |
       |Availability		      SUNWlibms 		   |
       |Interface Stability	      Stable			   |
       |MT-Level		      MT-Safe			   |
       +-----------------------------------------------------------+

       These functions are not available on SPARC systems because SPARC processors deliver intermediate results to destinations in single or  dou-
       ble format as determined by each floating point instruction.

SEE ALSO

       fegetenv(3M), fesetround(3M), attributes(5)

       Numerical Computation Guide

SunOS 5.11							    12 Jul 2006 						     fesetprec(3M)

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Adding columns of two files

Discussion started by: chandra321