disnan man page on Scientific

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DISNAN(1)	    LAPACK auxiliary routine (version 3.2)	     DISNAN(1)

NAME
       DISNAN - returns .TRUE

SYNOPSIS
       LOGICAL FUNCTION DISNAN(DIN)

	   DOUBLE	PRECISION DIN

PURPOSE
       DISNAN  returns	.TRUE. if its argument is NaN, and .FALSE.  otherwise.
       To be replaced by the Fortran 2003 intrinsic in the future.

ARGUMENTS
       DIN	(input) DOUBLE PRECISION
		Input to test for NaN.

 LAPACK auxiliary routine (versioNovember 2008			     DISNAN(1)
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