411 lines
10 KiB
C++
411 lines
10 KiB
C++
// Copyright (C) 2008-2015 National ICT Australia (NICTA)
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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// -------------------------------------------------------------------
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//
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// Written by Conrad Sanderson - http://conradsanderson.id.au
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#ifdef ARMA_USE_ATLAS
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//! \namespace atlas namespace for ATLAS functions (imported from the global namespace)
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namespace atlas
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{
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template<typename eT>
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inline static const eT& tmp_real(const eT& X) { return X; }
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template<typename T>
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inline static const T tmp_real(const std::complex<T>& X) { return X.real(); }
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template<typename eT>
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arma_inline
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eT
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cblas_asum(const int N, const eT* X)
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{
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arma_type_check((is_supported_blas_type<eT>::value == false));
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if(is_float<eT>::value)
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{
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typedef float T;
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return eT( arma_wrapper(cblas_sasum)(N, (const T*)X, 1) );
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}
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else
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if(is_double<eT>::value)
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{
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typedef double T;
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return eT( arma_wrapper(cblas_dasum)(N, (const T*)X, 1) );
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}
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else
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{
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return eT(0);
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}
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}
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template<typename eT>
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arma_inline
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eT
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cblas_nrm2(const int N, const eT* X)
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{
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arma_type_check((is_supported_blas_type<eT>::value == false));
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if(is_float<eT>::value)
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{
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typedef float T;
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return eT( arma_wrapper(cblas_snrm2)(N, (const T*)X, 1) );
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}
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else
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if(is_double<eT>::value)
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{
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typedef double T;
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return eT( arma_wrapper(cblas_dnrm2)(N, (const T*)X, 1) );
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}
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else
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{
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return eT(0);
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}
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}
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template<typename eT>
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arma_inline
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eT
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cblas_dot(const int N, const eT* X, const eT* Y)
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{
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arma_type_check((is_supported_blas_type<eT>::value == false));
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if(is_float<eT>::value)
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{
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typedef float T;
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return eT( arma_wrapper(cblas_sdot)(N, (const T*)X, 1, (const T*)Y, 1) );
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}
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else
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if(is_double<eT>::value)
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{
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typedef double T;
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return eT( arma_wrapper(cblas_ddot)(N, (const T*)X, 1, (const T*)Y, 1) );
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}
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else
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{
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return eT(0);
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}
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}
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template<typename eT>
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arma_inline
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eT
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cblas_cx_dot(const int N, const eT* X, const eT* Y)
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{
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arma_type_check((is_supported_blas_type<eT>::value == false));
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if(is_supported_complex_float<eT>::value)
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{
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typedef typename std::complex<float> T;
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T out;
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arma_wrapper(cblas_cdotu_sub)(N, (const T*)X, 1, (const T*)Y, 1, &out);
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return eT(out);
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}
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else
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if(is_supported_complex_double<eT>::value)
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{
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typedef typename std::complex<double> T;
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T out;
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arma_wrapper(cblas_zdotu_sub)(N, (const T*)X, 1, (const T*)Y, 1, &out);
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return eT(out);
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}
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else
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{
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return eT(0);
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}
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}
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template<typename eT>
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inline
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void
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cblas_gemv
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(
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const enum CBLAS_ORDER Order, const enum CBLAS_TRANSPOSE TransA,
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const int M, const int N,
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const eT alpha,
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const eT *A, const int lda,
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const eT *X, const int incX,
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const eT beta,
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eT *Y, const int incY
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)
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{
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arma_type_check((is_supported_blas_type<eT>::value == false));
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if(is_float<eT>::value)
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{
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typedef float T;
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arma_wrapper(cblas_sgemv)(Order, TransA, M, N, (const T)tmp_real(alpha), (const T*)A, lda, (const T*)X, incX, (const T)tmp_real(beta), (T*)Y, incY);
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}
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else
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if(is_double<eT>::value)
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{
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typedef double T;
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arma_wrapper(cblas_dgemv)(Order, TransA, M, N, (const T)tmp_real(alpha), (const T*)A, lda, (const T*)X, incX, (const T)tmp_real(beta), (T*)Y, incY);
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}
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else
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if(is_supported_complex_float<eT>::value)
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{
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typedef std::complex<float> T;
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arma_wrapper(cblas_cgemv)(Order, TransA, M, N, (const T*)&alpha, (const T*)A, lda, (const T*)X, incX, (const T*)&beta, (T*)Y, incY);
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}
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else
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if(is_supported_complex_double<eT>::value)
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{
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typedef std::complex<double> T;
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arma_wrapper(cblas_zgemv)(Order, TransA, M, N, (const T*)&alpha, (const T*)A, lda, (const T*)X, incX, (const T*)&beta, (T*)Y, incY);
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}
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}
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template<typename eT>
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inline
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void
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cblas_gemm
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(
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const enum CBLAS_ORDER Order, const enum CBLAS_TRANSPOSE TransA,
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const enum CBLAS_TRANSPOSE TransB, const int M, const int N,
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const int K, const eT alpha, const eT *A,
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const int lda, const eT *B, const int ldb,
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const eT beta, eT *C, const int ldc
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)
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{
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arma_type_check((is_supported_blas_type<eT>::value == false));
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if(is_float<eT>::value)
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{
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typedef float T;
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arma_wrapper(cblas_sgemm)(Order, TransA, TransB, M, N, K, (const T)tmp_real(alpha), (const T*)A, lda, (const T*)B, ldb, (const T)tmp_real(beta), (T*)C, ldc);
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}
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else
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if(is_double<eT>::value)
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{
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typedef double T;
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arma_wrapper(cblas_dgemm)(Order, TransA, TransB, M, N, K, (const T)tmp_real(alpha), (const T*)A, lda, (const T*)B, ldb, (const T)tmp_real(beta), (T*)C, ldc);
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}
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else
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if(is_supported_complex_float<eT>::value)
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{
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typedef std::complex<float> T;
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arma_wrapper(cblas_cgemm)(Order, TransA, TransB, M, N, K, (const T*)&alpha, (const T*)A, lda, (const T*)B, ldb, (const T*)&beta, (T*)C, ldc);
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}
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else
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if(is_supported_complex_double<eT>::value)
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{
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typedef std::complex<double> T;
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arma_wrapper(cblas_zgemm)(Order, TransA, TransB, M, N, K, (const T*)&alpha, (const T*)A, lda, (const T*)B, ldb, (const T*)&beta, (T*)C, ldc);
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}
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}
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template<typename eT>
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inline
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void
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cblas_syrk
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(
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const enum CBLAS_ORDER Order, const enum CBLAS_UPLO Uplo, const enum CBLAS_TRANSPOSE Trans,
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const int N, const int K, const eT alpha,
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const eT* A, const int lda, const eT beta, eT* C, const int ldc
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)
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{
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arma_type_check((is_supported_blas_type<eT>::value == false));
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if(is_float<eT>::value)
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{
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typedef float T;
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arma_wrapper(cblas_ssyrk)(Order, Uplo, Trans, N, K, (const T)alpha, (const T*)A, lda, (const T)beta, (T*)C, ldc);
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}
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else
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if(is_double<eT>::value)
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{
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typedef double T;
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arma_wrapper(cblas_dsyrk)(Order, Uplo, Trans, N, K, (const T)alpha, (const T*)A, lda, (const T)beta, (T*)C, ldc);
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}
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}
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template<typename T>
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inline
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void
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cblas_herk
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(
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const enum CBLAS_ORDER Order, const enum CBLAS_UPLO Uplo, const enum CBLAS_TRANSPOSE Trans,
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const int N, const int K, const T alpha,
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const std::complex<T>* A, const int lda, const T beta, std::complex<T>* C, const int ldc
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)
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{
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arma_type_check((is_supported_blas_type<T>::value == false));
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if(is_float<T>::value)
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{
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typedef float TT;
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typedef std::complex<float> cx_TT;
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arma_wrapper(cblas_cherk)(Order, Uplo, Trans, N, K, (const TT)alpha, (const cx_TT*)A, lda, (const TT)beta, (cx_TT*)C, ldc);
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}
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else
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if(is_double<T>::value)
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{
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typedef double TT;
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typedef std::complex<double> cx_TT;
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arma_wrapper(cblas_zherk)(Order, Uplo, Trans, N, K, (const TT)alpha, (const cx_TT*)A, lda, (const TT)beta, (cx_TT*)C, ldc);
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}
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}
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template<typename eT>
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inline
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int
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clapack_getrf
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(
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const enum CBLAS_ORDER Order, const int M, const int N,
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eT *A, const int lda, int *ipiv
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)
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{
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arma_type_check((is_supported_blas_type<eT>::value == false));
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if(is_float<eT>::value)
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{
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typedef float T;
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return arma_wrapper(clapack_sgetrf)(Order, M, N, (T*)A, lda, ipiv);
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}
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else
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if(is_double<eT>::value)
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{
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typedef double T;
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return arma_wrapper(clapack_dgetrf)(Order, M, N, (T*)A, lda, ipiv);
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}
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else
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if(is_supported_complex_float<eT>::value)
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{
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typedef std::complex<float> T;
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return arma_wrapper(clapack_cgetrf)(Order, M, N, (T*)A, lda, ipiv);
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}
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else
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if(is_supported_complex_double<eT>::value)
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{
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typedef std::complex<double> T;
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return arma_wrapper(clapack_zgetrf)(Order, M, N, (T*)A, lda, ipiv);
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}
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else
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{
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return -1;
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}
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}
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template<typename eT>
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inline
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int
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clapack_getri
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(
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const enum CBLAS_ORDER Order, const int N, eT *A,
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const int lda, const int *ipiv
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)
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{
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arma_type_check((is_supported_blas_type<eT>::value == false));
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if(is_float<eT>::value)
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{
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typedef float T;
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return arma_wrapper(clapack_sgetri)(Order, N, (T*)A, lda, ipiv);
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}
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else
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if(is_double<eT>::value)
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{
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typedef double T;
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return arma_wrapper(clapack_dgetri)(Order, N, (T*)A, lda, ipiv);
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}
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else
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if(is_supported_complex_float<eT>::value)
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{
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typedef std::complex<float> T;
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return arma_wrapper(clapack_cgetri)(Order, N, (T*)A, lda, ipiv);
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}
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else
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if(is_supported_complex_double<eT>::value)
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{
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typedef std::complex<double> T;
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return arma_wrapper(clapack_zgetri)(Order, N, (T*)A, lda, ipiv);
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}
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else
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{
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return -1;
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}
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}
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template<typename eT>
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inline
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int
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clapack_gesv
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(
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const enum CBLAS_ORDER Order,
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const int N, const int NRHS,
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eT* A, const int lda, int* ipiv,
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eT* B, const int ldb
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)
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{
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arma_type_check((is_supported_blas_type<eT>::value == false));
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if(is_float<eT>::value)
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{
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typedef float T;
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return arma_wrapper(clapack_sgesv)(Order, N, NRHS, (T*)A, lda, ipiv, (T*)B, ldb);
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}
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else
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if(is_double<eT>::value)
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{
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typedef double T;
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return arma_wrapper(clapack_dgesv)(Order, N, NRHS, (T*)A, lda, ipiv, (T*)B, ldb);
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}
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else
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if(is_supported_complex_float<eT>::value)
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{
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typedef std::complex<float> T;
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return arma_wrapper(clapack_cgesv)(Order, N, NRHS, (T*)A, lda, ipiv, (T*)B, ldb);
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}
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else
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if(is_supported_complex_double<eT>::value)
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{
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typedef std::complex<double> T;
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return arma_wrapper(clapack_zgesv)(Order, N, NRHS, (T*)A, lda, ipiv, (T*)B, ldb);
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}
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else
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{
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return -1;
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}
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}
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}
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#endif
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