max@0: // Copyright (C) 2010-2011 NICTA (www.nicta.com.au)
max@0: // Copyright (C) 2010-2011 Conrad Sanderson
max@0: // 
max@0: // This file is part of the Armadillo C++ library.
max@0: // It is provided without any warranty of fitness
max@0: // for any purpose. You can redistribute this file
max@0: // and/or modify it under the terms of the GNU
max@0: // Lesser General Public License (LGPL) as published
max@0: // by the Free Software Foundation, either version 3
max@0: // of the License or (at your option) any later version.
max@0: // (see http://www.opensource.org/licenses for more info)
max@0: 
max@0: 
max@0: //! \addtogroup restrictors
max@0: //! @{
max@0: 
max@0: 
max@0: 
max@0: // structures for template based restrictions of input/output arguments
max@0: // (part of the SFINAE approach)
max@0: // http://en.wikipedia.org/wiki/SFINAE
max@0: 
max@0: 
max@0: template<typename T> struct arma_scalar_only { };
max@0: 
max@0: template<> struct arma_scalar_only<u8>     { typedef u8     result; };
max@0: template<> struct arma_scalar_only<s8>     { typedef s8     result; };
max@0: template<> struct arma_scalar_only<u16>    { typedef u16    result; };
max@0: template<> struct arma_scalar_only<s16>    { typedef s16    result; };
max@0: template<> struct arma_scalar_only<u32>    { typedef u32    result; };
max@0: template<> struct arma_scalar_only<s32>    { typedef s32    result; };
max@0: #if defined(ARMA_64BIT_WORD)
max@0: template<> struct arma_scalar_only<u64>    { typedef u64    result; };
max@0: template<> struct arma_scalar_only<s64>    { typedef s64    result; };
max@0: #endif
max@0: template<> struct arma_scalar_only<float>  { typedef float  result; };
max@0: template<> struct arma_scalar_only<double> { typedef double result; };
max@0: 
max@0: 
max@0: template<typename T>
max@0: struct arma_scalar_only< std::complex<T> > { typedef std::complex<T> result; };
max@0: 
max@0: 
max@0: 
max@0: template<typename T> struct arma_integral_only { };
max@0: 
max@0: template<> struct arma_integral_only<u8>  { typedef u8  result; };
max@0: template<> struct arma_integral_only<s8>  { typedef s8  result; };
max@0: template<> struct arma_integral_only<u16> { typedef u16 result; };
max@0: template<> struct arma_integral_only<s16> { typedef s16 result; };
max@0: template<> struct arma_integral_only<u32> { typedef u32 result; };
max@0: template<> struct arma_integral_only<s32> { typedef s32 result; };
max@0: #if defined(ARMA_64BIT_WORD)
max@0: template<> struct arma_integral_only<u64> { typedef u64 result; };
max@0: template<> struct arma_integral_only<s64> { typedef s64 result; };
max@0: #endif
max@0: 
max@0: 
max@0: 
max@0: template<typename T> struct arma_unsigned_integral_only { };
max@0: 
max@0: template<> struct arma_unsigned_integral_only<u8>  { typedef u8  result; };
max@0: template<> struct arma_unsigned_integral_only<u16> { typedef u16 result; };
max@0: template<> struct arma_unsigned_integral_only<u32> { typedef u32 result; };
max@0: #if defined(ARMA_64BIT_WORD)
max@0: template<> struct arma_unsigned_integral_only<u64> { typedef u64 result; };
max@0: #endif
max@0: 
max@0: 
max@0: 
max@0: template<typename T> struct arma_signed_integral_only { };
max@0: 
max@0: template<> struct arma_signed_integral_only<s8>   { typedef s8  result; };
max@0: template<> struct arma_signed_integral_only<s16>  { typedef s16 result; };
max@0: template<> struct arma_signed_integral_only<s32>  { typedef s32 result; };
max@0: #if defined(ARMA_64BIT_WORD)
max@0: template<> struct arma_signed_integral_only<s64>  { typedef s64 result; };
max@0: #endif
max@0: 
max@0: 
max@0: 
max@0: template<typename T> struct arma_signed_only { };
max@0: 
max@0: template<> struct arma_signed_only<s8>   { typedef s8   result; };
max@0: template<> struct arma_signed_only<s16>  { typedef s16  result; };
max@0: template<> struct arma_signed_only<s32>  { typedef s32  result; };
max@0: #if defined(ARMA_64BIT_WORD)
max@0: template<> struct arma_signed_only<s64>  { typedef s64  result; };
max@0: #endif
max@0: template<> struct arma_signed_only<float>  { typedef float  result; };
max@0: template<> struct arma_signed_only<double> { typedef double result; };
max@0: 
max@0: template<typename T> struct arma_signed_only< std::complex<T> > { typedef std::complex<T> result; };
max@0: 
max@0: 
max@0: 
max@0: template<typename T> struct arma_float_only { };
max@0: 
max@0: template<> struct arma_float_only<float>  { typedef float  result; };
max@0: template<> struct arma_float_only<double> { typedef double result; };
max@0: 
max@0: 
max@0: 
max@0: template<typename T> struct arma_float_or_cx_only { };
max@0: 
max@0: template<> struct arma_float_or_cx_only< float >                { typedef float                result; };
max@0: template<> struct arma_float_or_cx_only< double >               { typedef double               result; };
max@0: template<> struct arma_float_or_cx_only< std::complex<float>  > { typedef std::complex<float>  result; };
max@0: template<> struct arma_float_or_cx_only< std::complex<double> > { typedef std::complex<double> result; };
max@0: 
max@0: 
max@0: 
max@0: template<typename T> struct arma_cx_only { };
max@0: 
max@0: template<> struct arma_cx_only< std::complex<float>  > { typedef std::complex<float>  result; };
max@0: template<> struct arma_cx_only< std::complex<double> > { typedef std::complex<double> result; };
max@0: 
max@0: 
max@0: 
max@0: template<typename T> struct arma_not_cx                    { typedef T result; };
max@0: template<typename T> struct arma_not_cx< std::complex<T> > { };
max@0: 
max@0: 
max@0: 
max@0: template<typename T> struct arma_blas_type_only { };
max@0: 
max@0: template<> struct arma_blas_type_only< float                > { typedef float                result; };
max@0: template<> struct arma_blas_type_only< double               > { typedef double               result; };
max@0: template<> struct arma_blas_type_only< std::complex<float>  > { typedef std::complex<float>  result; };
max@0: template<> struct arma_blas_type_only< std::complex<double> > { typedef std::complex<double> result; };
max@0: 
max@0: 
max@0: 
max@0: template<typename T> struct arma_op_rel_only { };
max@0: 
max@0: template<> struct arma_op_rel_only< op_rel_lt_pre    > { typedef int result; };
max@0: template<> struct arma_op_rel_only< op_rel_lt_post   > { typedef int result; };
max@0: template<> struct arma_op_rel_only< op_rel_gt_pre    > { typedef int result; };
max@0: template<> struct arma_op_rel_only< op_rel_gt_post   > { typedef int result; };
max@0: template<> struct arma_op_rel_only< op_rel_lteq_pre  > { typedef int result; };
max@0: template<> struct arma_op_rel_only< op_rel_lteq_post > { typedef int result; };
max@0: template<> struct arma_op_rel_only< op_rel_gteq_pre  > { typedef int result; };
max@0: template<> struct arma_op_rel_only< op_rel_gteq_post > { typedef int result; };
max@0: template<> struct arma_op_rel_only< op_rel_eq        > { typedef int result; };
max@0: template<> struct arma_op_rel_only< op_rel_noteq     > { typedef int result; };
max@0: 
max@0: 
max@0: 
max@0: template<typename T> struct arma_not_op_rel { typedef int result; };
max@0: 
max@0: template<> struct arma_not_op_rel< op_rel_lt_pre    > { };
max@0: template<> struct arma_not_op_rel< op_rel_lt_post   > { };
max@0: template<> struct arma_not_op_rel< op_rel_gt_pre    > { };
max@0: template<> struct arma_not_op_rel< op_rel_gt_post   > { };
max@0: template<> struct arma_not_op_rel< op_rel_lteq_pre  > { };
max@0: template<> struct arma_not_op_rel< op_rel_lteq_post > { };
max@0: template<> struct arma_not_op_rel< op_rel_gteq_pre  > { };
max@0: template<> struct arma_not_op_rel< op_rel_gteq_post > { };
max@0: template<> struct arma_not_op_rel< op_rel_eq        > { };
max@0: template<> struct arma_not_op_rel< op_rel_noteq     > { };
max@0: 
max@0: 
max@0: 
max@0: template<typename T> struct arma_glue_rel_only { };
max@0: 
max@0: template<> struct arma_glue_rel_only< glue_rel_lt    > { typedef int result; };
max@0: template<> struct arma_glue_rel_only< glue_rel_gt    > { typedef int result; };
max@0: template<> struct arma_glue_rel_only< glue_rel_lteq  > { typedef int result; };
max@0: template<> struct arma_glue_rel_only< glue_rel_gteq  > { typedef int result; };
max@0: template<> struct arma_glue_rel_only< glue_rel_eq    > { typedef int result; };
max@0: template<> struct arma_glue_rel_only< glue_rel_noteq > { typedef int result; };
max@0: 
max@0: 
max@0: 
max@0: template<typename T> struct arma_Mat_Col_Row_only { };
max@0: 
max@0: template<typename eT> struct arma_Mat_Col_Row_only< Mat<eT> > { typedef Mat<eT> result; };
max@0: template<typename eT> struct arma_Mat_Col_Row_only< Col<eT> > { typedef Col<eT> result; };
max@0: template<typename eT> struct arma_Mat_Col_Row_only< Row<eT> > { typedef Row<eT> result; };
max@0: 
max@0: 
max@0: 
max@0: template<typename  T> struct arma_Cube_only             { };
max@0: template<typename eT> struct arma_Cube_only< Cube<eT> > { typedef Cube<eT> result; };
max@0: 
max@0: 
max@0: 
max@0: //! @}