// Copyright (c) 1992-2008 The University of Tennessee.  All rights reserved.
//
// SPDX-License-Identifier: BSD-3-Clause

/* disnan.f -- translated by f2c (version 20061008).
   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"
#include "blaswrap.h"

logical disnan_(doublereal *din)
{
    /* System generated locals */
    logical ret_val;

    /* Local variables */
    extern logical dlaisnan_(doublereal *, doublereal *);


/*  -- LAPACK auxiliary routine (version 3.2) -- */
/*     Univ. of Tennessee, Univ. of California Berkeley and NAG Ltd.. */
/*     November 2006 */

/*     .. Scalar Arguments .. */
/*     .. */

/*  Purpose */
/*  ======= */

/*  DISNAN returns .TRUE. if its argument is NaN, and .FALSE. */
/*  otherwise.  To be replaced by the Fortran 2003 intrinsic in the */
/*  future. */

/*  Arguments */
/*  ========= */

/*  DIN      (input) DOUBLE PRECISION */
/*          Input to test for NaN. */

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

/*  .. External Functions .. */
/*  .. */
/*  .. Executable Statements .. */
    ret_val = dlaisnan_(din, din);
    return ret_val;
} /* disnan_ */

