Module ILOGB in FDLIBM

• FDLIBM Information

• Components
  • Fullsource from NETLIB
  • Readme from NETLIB
  • Source from NETLIB

ILOGB

 
Ilogb(x) returns the binary exponent of x. A portable C implementation for
machines that support IEEE 754 floating point arithmetic or other standards such
as SVID, X/OPEN, and POSIX/ANSI.
 
Classes  :  A3a . Standard precision real arithmetic
            A6c . Decomposition, construction of machine numbers
 
Type     : C subroutine in FDLIBM package.
Access   : Public domain. Portable.
Precision: Double.
 
Usage    : i = ilogb(x)
 
Details  : Fullsource Readme Source
Sites    : (1) NETLIB
 

Implementation of ILOGB from FDLIBM on NETLIB

 
NETLIB:    Public access repository, The University of Tennessee at
           Knoxville and Bell Laboratories
 
Precision: Double.
 
You may access components from NETLIB outside GAMS as follows.
 
   Readme       : Anonymous FTP from ftp.netlib.org in fdlibm/readme
   Source       : Anonymous FTP from ftp.netlib.org in fdlibm/s_ilogb.c
   Fullsource   : World Wide Web at
                  http://www.netlib.org/fdlibm/s_ilogb.c plus
                  dependencies