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LAPACK: Linear Algebra PACKage
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sisnan.f File Reference

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Functions/Subroutines

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

Function/Subroutine Documentation

logical function sisnan ( real  SIN)

SISNAN tests input for NaN.

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