fn_cross.hpp 1.2 KB

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  1. // Copyright 2008-2016 Conrad Sanderson (http://conradsanderson.id.au)
  2. // Copyright 2008-2016 National ICT Australia (NICTA)
  3. //
  4. // Licensed under the Apache License, Version 2.0 (the "License");
  5. // you may not use this file except in compliance with the License.
  6. // You may obtain a copy of the License at
  7. // http://www.apache.org/licenses/LICENSE-2.0
  8. //
  9. // Unless required by applicable law or agreed to in writing, software
  10. // distributed under the License is distributed on an "AS IS" BASIS,
  11. // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12. // See the License for the specific language governing permissions and
  13. // limitations under the License.
  14. // ------------------------------------------------------------------------
  15. //! \addtogroup fn_cross
  16. //! @{
  17. //! cross product (only valid for 3 dimensional vectors)
  18. template<typename T1, typename T2>
  19. arma_warn_unused
  20. inline
  21. typename
  22. enable_if2
  23. <
  24. is_arma_type<T1>::value && is_arma_type<T2>::value && is_same_type<typename T1::elem_type, typename T2::elem_type>::value,
  25. const Glue<T1, T2, glue_cross>
  26. >::result
  27. cross(const T1& X, const T2& Y)
  28. {
  29. arma_extra_debug_sigprint();
  30. return Glue<T1, T2, glue_cross>(X, Y);
  31. }
  32. //! @}