Ubuntu Manpages

sisnan.f


logical function sisnan (SIN)
SISNAN tests input for NaN.

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.

Date:

September 2012

Definition at line 60 of file sisnan.f.

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