1ZISNAN(1) LAPACK auxiliary routine (version 3.1) ZISNAN(1)
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NAME
6ZISNAN - .TRUE
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SYNOPSIS
9FUNCTION ZISNAN( ZIN )
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LOGICAL ZISNAN
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COMPLEX*16 ZIN
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PURPOSE
16DISNAN returns .TRUE. if its argument is NaN, and .FALSE. otherwise.
17To be replaced by the Fortran 2003 intrinsic in the future.
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ARGUMENTS
21ZIN (input) COMPLEX*16
22Input to test for NaN.
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LAPACK auxiliary routine (versionOc3t.o1b)er 2006 ZISNAN(1)