sisnan.3lapack

Langue: en

Version: 297797 (debian - 07/07/09)

Section: 3 (Bibliothèques de fonctions)

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.