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SRC/lapack_64_obj/sisnan.f(3) Library Functions Manual SRC/lapack_64_obj/sisnan.f(3)

NAME

SRC/lapack_64_obj/sisnan.f

SYNOPSIS

Functions/Subroutines


logical function SISNAN (sin)
SISNAN tests input for NaN.

Function/Subroutine Documentation

logical function SISNAN (real, intent(in) sin)

SISNAN tests input for NaN.

Purpose:

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

Parameters

SIN 

!>          SIN is REAL
!>          Input to test for NaN.
!>

Author

Univ. of Tennessee

Univ. of California Berkeley

Univ. of Colorado Denver

NAG Ltd.

Definition at line 59 of file sisnan.f.

Author

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Version 3.12.1 LAPACK