/*  -- translated by f2c (version 20100827).
   You must link the resulting object file with libf2c:
	on Microsoft Windows system, link with libf2c.lib;
	on Linux or Unix systems, link with .../path/to/libf2c.a -lm
	or, if you install libf2c.a in a standard place, with -lf2c -lm
	-- in that order, at the end of the command line, as in
		cc *.o -lf2c -lm
	Source for libf2c is in /netlib/f2c/libf2c.zip, e.g.,

		http://www.netlib.org/f2c/libf2c.zip
*/

#include "f2c.h"

logical igraphdlaisnan_(doublereal *din1, doublereal *din2)
{
    /* System generated locals */
    logical ret_val;


/*  -- LAPACK auxiliary routine (version 3.2.2) --   
    -- LAPACK is a software package provided by Univ. of Tennessee,    --   
    -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--   
       June 2010   


    Purpose   
    =======   

    This routine is not for general use.  It exists solely to avoid   
    over-optimization in DISNAN.   

    DLAISNAN checks for NaNs by comparing its two arguments for   
    inequality.  NaN is the only floating-point value where NaN != NaN   
    returns .TRUE.  To check for NaNs, pass the same variable as both   
    arguments.   

    A compiler must assume that the two arguments are   
    not the same variable, and the test will not be optimized away.   
    Interprocedural or whole-program optimization may delete this   
    test.  The ISNAN functions will be replaced by the correct   
    Fortran 03 intrinsic once the intrinsic is widely available.   

    Arguments   
    =========   

    DIN1    (input) DOUBLE PRECISION   

    DIN2    (input) DOUBLE PRECISION   
            Two numbers to compare for inequality.   

    ===================================================================== */

    ret_val = *din1 != *din2;
    return ret_val;
} /* igraphdlaisnan_ */

