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disnan.f(3) LAPACK disnan.f(3)

NAME

disnan.f -

SYNOPSIS

Functions/Subroutines


LOGICAL function disnan (DIN)
 
DISNAN

Function/Subroutine Documentation

LOGICAL function disnan (double precisionDIN)

DISNAN
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.
Date:
November 2011
 
Definition at line 60 of file disnan.f.

Author

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