comparison armadillo-2.4.4/include/armadillo_bits/traits.hpp @ 0:8b6102e2a9b0

Armadillo Library

+// Copyright (C) 2008-2011 NICTA (www.nicta.com.au)
+// Copyright (C) 2008-2011 Conrad Sanderson
+// 
+// This file is part of the Armadillo C++ library.
+// It is provided without any warranty of fitness
+// for any purpose. You can redistribute this file
+// and/or modify it under the terms of the GNU
+// Lesser General Public License (LGPL) as published
+// by the Free Software Foundation, either version 3
+// of the License or (at your option) any later version.
+// (see http://www.opensource.org/licenses for more info)
+
+
+//! \addtogroup traits
+//! @{
+
+
+template<typename T1>
+struct get_pod_type
+  { typedef T1 result; };
+
+template<typename T2>
+struct get_pod_type< std::complex<T2> >
+  { typedef T2 result; };
+
+
+
+template<typename T>
+struct is_Mat_only
+  { static const bool value = false; };
+
+template<typename eT>
+struct is_Mat_only< Mat<eT> >
+  { static const bool value = true; };
+
+
+
+template<typename T>
+struct is_Mat
+  { static const bool value = false; };
+
+template<typename eT>
+struct is_Mat< Mat<eT> >
+  { static const bool value = true; };
+
+template<typename eT>
+struct is_Mat< Row<eT> >
+  { static const bool value = true; };
+
+template<typename eT>
+struct is_Mat< Col<eT> >
+  { static const bool value = true; };
+
+
+
+template<typename T>
+struct is_Row
+  { static const bool value = false; };
+
+template<typename eT>
+struct is_Row< Row<eT> >
+  { static const bool value = true; };
+
+
+
+template<typename T>
+struct is_Col
+  { static const bool value = false; };
+
+template<typename eT>
+struct is_Col< Col<eT> >
+  { static const bool value = true; };
+
+
+
+
+
+
+template<typename T>
+struct is_subview
+  { static const bool value = false; };
+
+template<typename eT>
+struct is_subview< subview<eT> >
+  { static const bool value = true; };
+
+
+template<typename T>
+struct is_diagview
+  { static const bool value = false; };
+
+template<typename eT>
+struct is_diagview< diagview<eT> >
+  { static const bool value = true; };
+
+
+//
+//
+//
+
+
+
+template<typename T>
+struct is_Cube
+  { static const bool value = false; };
+
+template<typename eT>
+struct is_Cube< Cube<eT> >
+  { static const bool value = true; };
+
+template<typename T>
+struct is_subview_cube
+  { static const bool value = false; };
+
+template<typename eT>
+struct is_subview_cube< subview_cube<eT> >
+  { static const bool value = true; };
+
+
+
+//
+//
+//
+
+
+template<typename T>
+struct is_Gen
+  { static const bool value = false; };
+ 
+template<typename eT, typename gen_type>
+struct is_Gen< Gen<eT,gen_type> >
+  { static const bool value = true; };
+ 
+
+template<typename T>
+struct is_Op
+  { static const bool value = false; };
+ 
+template<typename T1, typename op_type>
+struct is_Op< Op<T1,op_type> >
+  { static const bool value = true; };
+ 
+
+template<typename T>
+struct is_eOp
+  { static const bool value = false; };
+ 
+template<typename T1, typename eop_type>
+struct is_eOp< eOp<T1,eop_type> >
+  { static const bool value = true; };
+ 
+
+template<typename T>
+struct is_mtOp
+  { static const bool value = false; };
+ 
+template<typename eT, typename T1, typename op_type>
+struct is_mtOp< mtOp<eT, T1, op_type> >
+  { static const bool value = true; };
+ 
+
+template<typename T>
+struct is_Glue
+  { static const bool value = false; };
+ 
+template<typename T1, typename T2, typename glue_type>
+struct is_Glue< Glue<T1,T2,glue_type> >
+  { static const bool value = true; };
+
+
+template<typename T>
+struct is_eGlue
+  { static const bool value = false; };
+ 
+template<typename T1, typename T2, typename eglue_type>
+struct is_eGlue< eGlue<T1,T2,eglue_type> >
+  { static const bool value = true; };
+
+
+template<typename T>
+struct is_mtGlue
+  { static const bool value = false; };
+ 
+template<typename eT, typename T1, typename T2, typename glue_type>
+struct is_mtGlue< mtGlue<eT, T1, T2, glue_type> >
+  { static const bool value = true; };
+
+
+//
+//
+
+
+template<typename T>
+struct is_glue_times
+  { static const bool value = false; };
+
+template<typename T1, typename T2>
+struct is_glue_times< Glue<T1,T2,glue_times> >
+  { static const bool value = true; };
+
+
+template<typename T>
+struct is_glue_times_diag
+  { static const bool value = false; };
+
+template<typename T1, typename T2>
+struct is_glue_times_diag< Glue<T1,T2,glue_times_diag> >
+  { static const bool value = true; };
+
+
+template<typename T>
+struct is_op_diagmat
+  { static const bool value = false; };
+ 
+template<typename T1>
+struct is_op_diagmat< Op<T1,op_diagmat> >
+  { static const bool value = true; };
+
+
+//
+//
+
+
+template<typename T>
+struct is_GenCube
+  { static const bool value = false; };
+ 
+template<typename eT, typename gen_type>
+struct is_GenCube< GenCube<eT,gen_type> >
+  { static const bool value = true; };
+ 
+
+template<typename T>
+struct is_OpCube
+  { static const bool value = false; };
+ 
+template<typename T1, typename op_type>
+struct is_OpCube< OpCube<T1,op_type> >
+  { static const bool value = true; };
+
+
+template<typename T>
+struct is_eOpCube
+  { static const bool value = false; };
+ 
+template<typename T1, typename eop_type>
+struct is_eOpCube< eOpCube<T1,eop_type> >
+  { static const bool value = true; };
+ 
+
+template<typename T>
+struct is_mtOpCube
+  { static const bool value = false; };
+ 
+template<typename eT, typename T1, typename op_type>
+struct is_mtOpCube< mtOpCube<eT, T1, op_type> >
+  { static const bool value = true; };
+ 
+
+template<typename T>
+struct is_GlueCube
+  { static const bool value = false; };
+ 
+template<typename T1, typename T2, typename glue_type>
+struct is_GlueCube< GlueCube<T1,T2,glue_type> >
+  { static const bool value = true; };
+
+
+template<typename T>
+struct is_eGlueCube
+  { static const bool value = false; };
+ 
+template<typename T1, typename T2, typename eglue_type>
+struct is_eGlueCube< eGlueCube<T1,T2,eglue_type> >
+  { static const bool value = true; };
+
+
+template<typename T>
+struct is_mtGlueCube
+  { static const bool value = false; };
+ 
+template<typename eT, typename T1, typename T2, typename glue_type>
+struct is_mtGlueCube< mtGlueCube<eT, T1, T2, glue_type> >
+  { static const bool value = true; };
+
+
+//
+//
+//
+
+
+template<typename T>
+struct is_op_rel
+  { static const bool value = false; };
+
+template<typename out_eT, typename T1>
+struct is_op_rel< mtOp<out_eT, T1, op_rel_lt_pre> >
+  { static const bool value = true; };
+
+template<typename out_eT, typename T1>
+struct is_op_rel< mtOp<out_eT, T1, op_rel_lt_post> >
+  { static const bool value = true; };
+
+template<typename out_eT, typename T1>
+struct is_op_rel< mtOp<out_eT, T1, op_rel_gt_pre> >
+  { static const bool value = true; };
+
+template<typename out_eT, typename T1>
+struct is_op_rel< mtOp<out_eT, T1, op_rel_gt_post> >
+  { static const bool value = true; };
+
+template<typename out_eT, typename T1>
+struct is_op_rel< mtOp<out_eT, T1, op_rel_lteq_pre> >
+  { static const bool value = true; };
+
+template<typename out_eT, typename T1>
+struct is_op_rel< mtOp<out_eT, T1, op_rel_lteq_post> >
+  { static const bool value = true; };
+
+template<typename out_eT, typename T1>
+struct is_op_rel< mtOp<out_eT, T1, op_rel_gteq_pre> >
+  { static const bool value = true; };
+
+template<typename out_eT, typename T1>
+struct is_op_rel< mtOp<out_eT, T1, op_rel_gteq_post> >
+  { static const bool value = true; };
+
+template<typename out_eT, typename T1>
+struct is_op_rel< mtOp<out_eT, T1, op_rel_eq> >
+  { static const bool value = true; };
+
+template<typename out_eT, typename T1>
+struct is_op_rel< mtOp<out_eT, T1, op_rel_noteq> >
+  { static const bool value = true; };
+
+
+
+//
+//
+//
+
+
+
+template<typename T1>
+struct is_arma_type
+  {
+  static const bool value
+  =  is_Mat<T1>::value
+  || is_Gen<T1>::value
+  || is_Op<T1>::value
+  || is_eOp<T1>::value
+  || is_mtOp<T1>::value
+  || is_Glue<T1>::value
+  || is_eGlue<T1>::value
+  || is_mtGlue<T1>::value
+  || is_subview<T1>::value
+  || is_diagview<T1>::value
+  ;
+  };
+
+
+
+template<typename T1>
+struct is_arma_cube_type
+  {
+  static const bool value
+  =  is_Cube<T1>::value
+  || is_GenCube<T1>::value
+  || is_OpCube<T1>::value
+  || is_eOpCube<T1>::value
+  || is_mtOpCube<T1>::value
+  || is_GlueCube<T1>::value
+  || is_eGlueCube<T1>::value
+  || is_mtGlueCube<T1>::value
+  || is_subview_cube<T1>::value
+  ;
+  };
+
+
+
+//
+//
+//
+
+
+template<typename T1, typename T2>
+struct is_same_type
+  { static const bool value = false; };
+
+
+template<typename T1>
+struct is_same_type<T1,T1>
+  { static const bool value = true; };
+
+
+
+//
+//
+//
+
+
+template<typename T1>
+struct is_u8
+  { static const bool value = false; };
+
+template<>
+struct is_u8<u8>
+  { static const bool value = true; };
+
+
+
+template<typename T1>
+struct is_s8
+  { static const bool value = false; };
+
+template<>
+struct is_s8<s8>
+  { static const bool value = true; };
+
+
+
+template<typename T1>
+struct is_u16
+  { static const bool value = false; };
+
+template<>
+struct is_u16<u16>
+  { static const bool value = true; };
+
+
+
+template<typename T1>
+struct is_s16
+  { static const bool value = false; };
+
+template<>
+struct is_s16<s16>
+  { static const bool value = true; };
+
+
+
+template<typename T1>
+struct is_u32
+  { static const bool value = false; };
+
+template<>
+struct is_u32<u32>
+  { static const bool value = true; };
+
+
+
+template<typename T1>
+struct is_s32
+  { static const bool value = false; };
+
+template<>
+struct is_s32<s32>
+  { static const bool value = true; };
+
+
+
+#if defined(ARMA_64BIT_WORD)
+  template<typename T1>
+  struct is_u64
+    { static const bool value = false; };
+
+  template<>
+  struct is_u64<u64>
+    { static const bool value = true; };
+  
+  
+  template<typename T1>
+  struct is_s64
+    { static const bool value = false; };
+
+  template<>
+  struct is_s64<s64>
+    { static const bool value = true; };
+#endif
+
+
+
+template<typename T1>
+struct is_uword
+  { static const bool value = false; };
+
+template<>
+struct is_uword<uword>
+  { static const bool value = true; };
+
+
+
+template<typename T1>
+struct is_sword
+  { static const bool value = false; };
+
+template<>
+struct is_sword<sword>
+  { static const bool value = true; };
+
+
+
+template<typename T1>
+struct is_float
+  { static const bool value = false; };
+
+template<>
+struct is_float<float>
+  { static const bool value = true; };
+
+
+
+template<typename T1>
+struct is_double
+  { static const bool value = false; };
+
+template<>
+struct is_double<double>
+  { static const bool value = true; };
+
+
+
+template<typename T1>
+struct is_complex
+  { static const bool value = false; };
+
+// template<>
+template<typename eT>
+struct is_complex< std::complex<eT> >
+  { static const bool value = true; };
+
+
+
+template<typename T1>
+struct is_complex_float
+  { static const bool value = false; };
+
+template<>
+struct is_complex_float< std::complex<float> >
+  { static const bool value = true; };
+
+
+
+template<typename T1>
+struct is_complex_double
+  { static const bool value = false; };
+
+template<>
+struct is_complex_double< std::complex<double> >
+  { static const bool value = true; };
+
+
+
+
+//! check for a weird implementation of the std::complex class
+template<typename T1>
+struct is_supported_complex
+  { static const bool value = false; };
+
+//template<>
+template<typename eT>
+struct is_supported_complex< std::complex<eT> >
+  { static const bool value = ( sizeof(std::complex<eT>) == 2*sizeof(eT) ); };
+
+
+
+template<typename T1>
+struct is_supported_complex_float
+  { static const bool value = false; };
+
+template<>
+struct is_supported_complex_float< std::complex<float> >
+  { static const bool value = ( sizeof(std::complex<float>) == 2*sizeof(float) ); };
+
+
+
+template<typename T1>
+struct is_supported_complex_double
+  { static const bool value = false; };
+
+template<>
+struct is_supported_complex_double< std::complex<double> >
+  { static const bool value = ( sizeof(std::complex<double>) == 2*sizeof(double) ); };
+
+
+
+template<typename T1>
+struct is_supported_elem_type
+  {
+  static const bool value = \
+    is_u8<T1>::value ||
+    is_s8<T1>::value ||
+    is_u16<T1>::value ||
+    is_s16<T1>::value ||
+    is_u32<T1>::value ||
+    is_s32<T1>::value ||
+#if defined(ARMA_64BIT_WORD)
+    is_u64<T1>::value ||
+    is_s64<T1>::value ||
+#endif
+    is_float<T1>::value ||
+    is_double<T1>::value ||
+    is_supported_complex_float<T1>::value ||
+    is_supported_complex_double<T1>::value;
+  };
+
+
+
+template<typename T1>
+struct is_supported_blas_type
+  {
+  static const bool value = \
+    is_float<T1>::value ||
+    is_double<T1>::value ||
+    is_supported_complex_float<T1>::value ||
+    is_supported_complex_double<T1>::value;
+  };
+
+
+
+template<typename T>
+struct is_signed
+  {
+  static const bool value = true;
+  };
+
+
+template<> struct is_signed<u8>  { static const bool value = false; };
+template<> struct is_signed<u16> { static const bool value = false; };
+template<> struct is_signed<u32> { static const bool value = false; };
+#if defined(ARMA_64BIT_WORD)
+template<> struct is_signed<u64> { static const bool value = false; };
+#endif
+
+
+template<typename T>
+struct is_non_integral
+  {
+  static const bool value = false;
+  };
+
+
+template<> struct is_non_integral<              float   > { static const bool value = true; };
+template<> struct is_non_integral<              double  > { static const bool value = true; };
+template<> struct is_non_integral< std::complex<float>  > { static const bool value = true; };
+template<> struct is_non_integral< std::complex<double> > { static const bool value = true; };
+
+
+
+
+//
+
+class arma_junk_class;
+
+template<typename T1, typename T2>
+struct force_different_type
+  {
+  typedef T1 T1_result;
+  typedef T2 T2_result;
+  };
+  
+
+template<typename T1>
+struct force_different_type<T1,T1>
+  {
+  typedef T1              T1_result;
+  typedef arma_junk_class T2_result;
+  };
+  
+  
+
+//! @}