my_isnan.F

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!||====================================================================
!||    my_isnan        ../engine/source/system/my_isnan.F
!||--- called by ------------------------------------------------------
!||    check_nan_acc   ../engine/source/output/outfile/check_nan_acc.F
!||    nlocal_acc      ../engine/source/assembly/nlocal_acc.F
!||====================================================================
        FUNCTION my_isnan(X) RESULT(BOOL)
#ifdef COMP_ARMFLANG
        use, INTRINSIC :: ieee_arithmetic 
#endif
#include "implicit_f.inc"
        my_real, INTENT(IN) :: x
        LOGICAL :: bool
 
#ifdef comp_armflang      
        bool=ieee_is_nan(x)
#else
        bool=.NOT.(x.EQ.x)
#endif      
        END FUNCTION my_isnan