SISNAN(1) LAPACK auxiliary routine (version 3.2) SISNAN(1) NAME SISNAN - returns .TRUE SYNOPSIS LOGICAL FUNCTION SISNAN(SIN) REAL SIN PURPOSE SISNAN returns .TRUE. if its argument is NaN, and .FALSE. otherwise. To be replaced by the Fortran 2003 intrinsic in the future. ARGUMENTS SIN (input) REAL Input to test for NaN. LAPACK auxiliary routine (versioNovember 2008 SISNAN(1)[top]
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