Returns a difference between two domain instances.
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| class(domain_type), | intent(in) | :: | self | l.h.s. domain instance | ||
| class(domain_type), | intent(in) | :: | d2 | r.h.s. domain instance | 
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pure elemental type(domain_type) function domain_sub_domain(self,d2)&
  result(domain)
  !! Returns a difference between two domain instances.
  class(domain_type),intent(in) :: self !! l.h.s. domain instance
  class(domain_type),intent(in) :: d2 !! r.h.s. domain instance
  domain = self
  domain = self % getSpectrum() - d2 % getSpectrum()
endfunction domain_sub_domain