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

NAME
       SRC/sisnan.f

SYNOPSIS
   Functions/Subroutines
       logical function sisnan (sin)
           SISNAN tests input for NaN.

Function/Subroutine Documentation
   logical function sisnan (real, intent(in) sin)
       SISNAN tests input for NaN.

       Purpose:


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

       Parameters
           SIN

                     SIN is REAL
                     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 sisnan.f.

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

LAPACK                          Version 3.12.0                 SRC/sisnan.f(3)