SRC/disnan.f(3)            Library Functions Manual            SRC/disnan.f(3)

NAME
       SRC/disnan.f

SYNOPSIS
   Functions/Subroutines
       logical function disnan (din)
           DISNAN tests input for NaN.

Function/Subroutine Documentation
   logical function disnan (double precision, intent(in) din)
       DISNAN tests input for NaN.

       Purpose:


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

       Parameters
           DIN

                     DIN is DOUBLE PRECISION
                     Input to test for NaN.

       Author
           Univ. of Tennessee

           Univ. of California Berkeley

           Univ. of Colorado Denver

           NAG Ltd.

       Definition at line 58 of file disnan.f.

Author
       Generated automatically by Doxygen for LAPACK from the source code.

LAPACK                          Version 3.12.0                 SRC/disnan.f(3)