isnan Interface

public interface isnan

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


Functions

public pure function disnan(din)

Arguments

Type IntentOptional Attributes Name
real(kind=dp), intent(in) :: din

Return Value logical(kind=lk)

public pure function sisnan(sin)

Arguments

Type IntentOptional Attributes Name
real(kind=sp), intent(in) :: sin

Return Value logical(kind=lk)

Module Procedures

public interface stdlib_disnan()

Arguments

None

public interface stdlib_sisnan()

Arguments

None