fftw_execute_r2r Interface

interface
private subroutine fftw_execute_r2r(p, in, out) bind(C, name='fftw_execute_r2r')

Arguments

Type IntentOptional Attributes Name
type(C_PTR), value :: p
real(kind=C_DOUBLE), intent(inout), dimension(*) :: in
real(kind=C_DOUBLE), intent(out), dimension(*) :: out