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*> \brief \b SISNAN tests input for NaN.
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* =========== DOCUMENTATION ===========
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* Online html documentation available at
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* http://www.netlib.org/lapack/explore-html/
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*> Download SISNAN + dependencies
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*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/sisnan.f">
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*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/sisnan.f">
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*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/sisnan.f">
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* LOGICAL FUNCTION SISNAN( SIN )
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* .. Scalar Arguments ..
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*> SISNAN returns .TRUE. if its argument is NaN, and .FALSE.
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*> otherwise. To be replaced by the Fortran 2003 intrinsic in the
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*> Input to test for NaN.
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*> \author Univ. of Tennessee
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*> \author Univ. of California Berkeley
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*> \author Univ. of Colorado Denver
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*> \date September 2012
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*> \ingroup auxOTHERauxiliary
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* =====================================================================
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LOGICAL FUNCTION SISNAN( SIN )
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* -- LAPACK auxiliary routine (version 3.4.2) --
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* -- LAPACK is a software package provided by Univ. of Tennessee, --
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* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
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* .. Scalar Arguments ..
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* =====================================================================
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* .. External Functions ..
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* .. Executable Statements ..
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SISNAN = SLAISNAN(SIN,SIN)