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Diffstat (limited to 'src/armadillo/include/armadillo_bits/restrictors.hpp')
-rw-r--r-- | src/armadillo/include/armadillo_bits/restrictors.hpp | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/src/armadillo/include/armadillo_bits/restrictors.hpp b/src/armadillo/include/armadillo_bits/restrictors.hpp new file mode 100644 index 0000000..019a5f4 --- /dev/null +++ b/src/armadillo/include/armadillo_bits/restrictors.hpp @@ -0,0 +1,214 @@ +// SPDX-License-Identifier: Apache-2.0 +// +// Copyright 2008-2016 Conrad Sanderson (http://conradsanderson.id.au) +// Copyright 2008-2016 National ICT Australia (NICTA) +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// ------------------------------------------------------------------------ + + +//! \addtogroup restrictors +//! @{ + + + +// structures for template based restrictions of input/output arguments +// (part of the SFINAE approach) +// http://en.wikipedia.org/wiki/SFINAE + + +template<typename T> struct arma_scalar_only { }; + +template<> struct arma_scalar_only< u8 > { typedef u8 result; }; +template<> struct arma_scalar_only< s8 > { typedef s8 result; }; +template<> struct arma_scalar_only< u16 > { typedef u16 result; }; +template<> struct arma_scalar_only< s16 > { typedef s16 result; }; +template<> struct arma_scalar_only< u32 > { typedef u32 result; }; +template<> struct arma_scalar_only< s32 > { typedef s32 result; }; +template<> struct arma_scalar_only< u64 > { typedef u64 result; }; +template<> struct arma_scalar_only< s64 > { typedef s64 result; }; +template<> struct arma_scalar_only< ulng_t > { typedef ulng_t result; }; +template<> struct arma_scalar_only< slng_t > { typedef slng_t result; }; +template<> struct arma_scalar_only< float > { typedef float result; }; +template<> struct arma_scalar_only< double > { typedef double result; }; +template<> struct arma_scalar_only< cx_float > { typedef cx_float result; }; +template<> struct arma_scalar_only< cx_double > { typedef cx_double result; }; + + + +template<typename T> struct arma_integral_only { }; + +template<> struct arma_integral_only< u8 > { typedef u8 result; }; +template<> struct arma_integral_only< s8 > { typedef s8 result; }; +template<> struct arma_integral_only< u16 > { typedef u16 result; }; +template<> struct arma_integral_only< s16 > { typedef s16 result; }; +template<> struct arma_integral_only< u32 > { typedef u32 result; }; +template<> struct arma_integral_only< s32 > { typedef s32 result; }; +template<> struct arma_integral_only< u64 > { typedef u64 result; }; +template<> struct arma_integral_only< s64 > { typedef s64 result; }; +template<> struct arma_integral_only< ulng_t > { typedef ulng_t result; }; +template<> struct arma_integral_only< slng_t > { typedef slng_t result; }; + + + +template<typename T> struct arma_unsigned_integral_only { }; + +template<> struct arma_unsigned_integral_only< u8 > { typedef u8 result; }; +template<> struct arma_unsigned_integral_only< u16 > { typedef u16 result; }; +template<> struct arma_unsigned_integral_only< u32 > { typedef u32 result; }; +template<> struct arma_unsigned_integral_only< u64 > { typedef u64 result; }; +template<> struct arma_unsigned_integral_only< ulng_t > { typedef ulng_t result; }; + + + +template<typename T> struct arma_signed_integral_only { }; + +template<> struct arma_signed_integral_only< s8 > { typedef s8 result; }; +template<> struct arma_signed_integral_only< s16 > { typedef s16 result; }; +template<> struct arma_signed_integral_only< s32 > { typedef s32 result; }; +template<> struct arma_signed_integral_only< s64 > { typedef s64 result; }; +template<> struct arma_signed_integral_only< slng_t > { typedef slng_t result; }; + + + +template<typename T> struct arma_signed_only { }; + +template<> struct arma_signed_only< s8 > { typedef s8 result; }; +template<> struct arma_signed_only< s16 > { typedef s16 result; }; +template<> struct arma_signed_only< s32 > { typedef s32 result; }; +template<> struct arma_signed_only< s64 > { typedef s64 result; }; +template<> struct arma_signed_only< slng_t > { typedef slng_t result; }; +template<> struct arma_signed_only< float > { typedef float result; }; +template<> struct arma_signed_only< double > { typedef double result; }; +template<> struct arma_signed_only< cx_float > { typedef cx_float result; }; +template<> struct arma_signed_only< cx_double > { typedef cx_double result; }; + + + +template<typename T> struct arma_real_only { }; + +template<> struct arma_real_only< float > { typedef float result; }; +template<> struct arma_real_only< double > { typedef double result; }; + + +template<typename T> struct arma_real_or_cx_only { }; + +template<> struct arma_real_or_cx_only< float > { typedef float result; }; +template<> struct arma_real_or_cx_only< double > { typedef double result; }; +template<> struct arma_real_or_cx_only< cx_float > { typedef cx_float result; }; +template<> struct arma_real_or_cx_only< cx_double > { typedef cx_double result; }; + + + +template<typename T> struct arma_cx_only { }; + +template<> struct arma_cx_only< cx_float > { typedef cx_float result; }; +template<> struct arma_cx_only< cx_double > { typedef cx_double result; }; + + + +template<typename T> struct arma_not_cx { typedef T result; }; +template<typename T> struct arma_not_cx< std::complex<T> > { }; + + + +template<typename T> struct arma_blas_type_only { }; + +template<> struct arma_blas_type_only< float > { typedef float result; }; +template<> struct arma_blas_type_only< double > { typedef double result; }; +template<> struct arma_blas_type_only< cx_float > { typedef cx_float result; }; +template<> struct arma_blas_type_only< cx_double > { typedef cx_double result; }; + + + +template<typename T> struct arma_not_blas_type { typedef T result; }; + +template<> struct arma_not_blas_type< float > { }; +template<> struct arma_not_blas_type< double > { }; +template<> struct arma_not_blas_type< cx_float > { }; +template<> struct arma_not_blas_type< cx_double > { }; + + + +template<typename T> struct arma_op_rel_only { }; + +template<> struct arma_op_rel_only< op_rel_lt_pre > { typedef int result; }; +template<> struct arma_op_rel_only< op_rel_lt_post > { typedef int result; }; +template<> struct arma_op_rel_only< op_rel_gt_pre > { typedef int result; }; +template<> struct arma_op_rel_only< op_rel_gt_post > { typedef int result; }; +template<> struct arma_op_rel_only< op_rel_lteq_pre > { typedef int result; }; +template<> struct arma_op_rel_only< op_rel_lteq_post > { typedef int result; }; +template<> struct arma_op_rel_only< op_rel_gteq_pre > { typedef int result; }; +template<> struct arma_op_rel_only< op_rel_gteq_post > { typedef int result; }; +template<> struct arma_op_rel_only< op_rel_eq > { typedef int result; }; +template<> struct arma_op_rel_only< op_rel_noteq > { typedef int result; }; + + + +template<typename T> struct arma_not_op_rel { typedef int result; }; + +template<> struct arma_not_op_rel< op_rel_lt_pre > { }; +template<> struct arma_not_op_rel< op_rel_lt_post > { }; +template<> struct arma_not_op_rel< op_rel_gt_pre > { }; +template<> struct arma_not_op_rel< op_rel_gt_post > { }; +template<> struct arma_not_op_rel< op_rel_lteq_pre > { }; +template<> struct arma_not_op_rel< op_rel_lteq_post > { }; +template<> struct arma_not_op_rel< op_rel_gteq_pre > { }; +template<> struct arma_not_op_rel< op_rel_gteq_post > { }; +template<> struct arma_not_op_rel< op_rel_eq > { }; +template<> struct arma_not_op_rel< op_rel_noteq > { }; + + + +template<typename T> struct arma_glue_rel_only { }; + +template<> struct arma_glue_rel_only< glue_rel_lt > { typedef int result; }; +template<> struct arma_glue_rel_only< glue_rel_gt > { typedef int result; }; +template<> struct arma_glue_rel_only< glue_rel_lteq > { typedef int result; }; +template<> struct arma_glue_rel_only< glue_rel_gteq > { typedef int result; }; +template<> struct arma_glue_rel_only< glue_rel_eq > { typedef int result; }; +template<> struct arma_glue_rel_only< glue_rel_noteq > { typedef int result; }; +template<> struct arma_glue_rel_only< glue_rel_and > { typedef int result; }; +template<> struct arma_glue_rel_only< glue_rel_or > { typedef int result; }; + + + +template<typename T> struct arma_Mat_Col_Row_only { }; + +template<typename eT> struct arma_Mat_Col_Row_only< Mat<eT> > { typedef Mat<eT> result; }; +template<typename eT> struct arma_Mat_Col_Row_only< Col<eT> > { typedef Col<eT> result; }; +template<typename eT> struct arma_Mat_Col_Row_only< Row<eT> > { typedef Row<eT> result; }; + + + +template<typename T> struct arma_Cube_only { }; +template<typename eT> struct arma_Cube_only< Cube<eT> > { typedef Cube<eT> result; }; + + +template<typename T> struct arma_SpMat_SpCol_SpRow_only { }; + +template<typename eT> struct arma_SpMat_SpCol_SpRow_only< SpMat<eT> > { typedef SpMat<eT> result; }; +template<typename eT> struct arma_SpMat_SpCol_SpRow_only< SpCol<eT> > { typedef SpCol<eT> result; }; +template<typename eT> struct arma_SpMat_SpCol_SpRow_only< SpRow<eT> > { typedef SpRow<eT> result; }; + + + +template<bool> struct enable_if { }; +template<> struct enable_if<true> { typedef int result; }; + + +template<bool, typename result_type > struct enable_if2 { }; +template< typename result_type > struct enable_if2<true, result_type> { typedef result_type result; }; + + + +//! @} |