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aka_blas_lapack.hh
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			/**
			* @file aka_blas_lapack.hh
			*
			* @author Nicolas Richart <nicolas.richart@epfl.ch>
			*
			* @date creation: Wed Mar 06 2013
			* @date last modification: Tue Feb 20 2018
			*
			* @brief Interface of the Fortran BLAS/LAPACK libraries
			*
			*
			* Copyright (©) 2014-2018 EPFL (Ecole Polytechnique Fédérale de Lausanne)
			* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
			*
			* Akantu is free software: you can redistribute it and/or modify it under the
			* terms of the GNU Lesser General Public License as published by the Free
			* Software Foundation, either version 3 of the License, or (at your option) any
			* later version.
			*
			* Akantu is distributed in the hope that it will be useful, but WITHOUT ANY
			* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
			* A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
			* details.
			*
			* You should have received a copy of the GNU Lesser General Public License
			* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
			*
			*/
			/* -------------------------------------------------------------------------- */
			#include "aka_error.hh"
			/* -------------------------------------------------------------------------- */

			#ifndef AKANTU_AKA_BLAS_LAPACK_HH_
			#define AKANTU_AKA_BLAS_LAPACK_HH_

			/* -------------------------------------------------------------------------- */
			#ifdef AKANTU_USE_BLAS
			#include "aka_fortran_mangling.hh"
			extern "C" {

			/* ------------------------------------------------------------------------ */
			/* Double precision */
			/* ------------------------------------------------------------------------ */
			// LEVEL 1
			double AKA_FC_GLOBAL(ddot, DDOT)(int , double , int , double , int *);
			void AKA_FC_GLOBAL(daxpy, DAXPY)(int , double , double , int , double *,
			int *);

			// LEVEL 2
			void AKA_FC_GLOBAL(dgemv, DGEMV)(char , int , int , double , double *,
			int , double , int , double , double *,
			int *);
			// LEVEL 3
			void AKA_FC_GLOBAL(dgemm, DGEMM)(char , char , int , int , int , double ,
			double , int , double , int , double *,
			double , int );
			/* ------------------------------------------------------------------------ */
			/* Simple precision */
			/* ------------------------------------------------------------------------ */
			// LEVEL 1
			float AKA_FC_GLOBAL(sdot, SDOT)(int , float , int , float , int *);
			void AKA_FC_GLOBAL(saxpy, SAXPY)(int , float , float , int , float *,
			int *);

			// LEVEL 2
			void AKA_FC_GLOBAL(sgemv, SGEMV)(char , int , int , float , float , int ,
			float , int , float , float , int *);
			// LEVEL 3
			void AKA_FC_GLOBAL(sgemm, SGEMM)(char , char , int , int , int , float ,
			float , int , float , int , float *,
			float , int );
			}
			#endif

			namespace akantu {

			#define AKANTU_WARNING_IGNORE_UNUSED_PARAMETER
			#include "aka_warning.hh"

			/// Wrapper around the S/DDOT BLAS function that returns the dot product of two
			/// vectors
			template <typename T>
			inline T aka_dot(int * n, T * x, int * incx, T * y, int * incy) {
			AKANTU_ERROR(debug::demangle(typeid(T).name())
			<< "is not a type recognized, or you didn't activated "
			"BLAS in the compilation options!");
			}

			/// Wrapper around the S/DAXPY BLAS function that computes \f$y := \alpha x +
			/// y\f$
			template <typename T>
			inline void aka_axpy(int * n, T * alpha, T * x, int * incx, T * y, int * incy) {
			AKANTU_ERROR(debug::demangle(typeid(T).name())
			<< "is not a type recognized, or you didn't activated "
			"BLAS in the compilation options!");
			}

			/// Wrapper around the S/DGEMV BLAS function that computes matrix-vector product
			/// \f$y := \alpha A^{(T)}x + \beta y \f$
			template <typename T>
			inline void aka_gemv(char * trans, int * m, int * n, T * alpha, T * a,
			int * lda, T * x, int * incx, T * beta, T * y,
			int * incy) {
			AKANTU_ERROR(debug::demangle(typeid(T).name())
			<< "is not a type recognized, or you didn't activated "
			"BLAS in the compilation options!");
			}

			/// Wrapper around the S/DGEMM BLAS function that computes the product of two
			/// matrices \f$C := \alpha A^{(T)} B^{(T)} + \beta C \f$
			template <typename T>
			inline void aka_gemm(char * transa, char * transb, int * m, int * n, int * k,
			T * alpha, T * a, int * lda, T * b, int * ldb, T * beta,
			T * c, int * ldc) {
			AKANTU_ERROR(debug::demangle(typeid(T).name())
			<< "is not a type recognized, or you didn't activated "
			"BLAS in the compilation options!");
			}

			#if defined(AKANTU_USE_BLAS)
			template <>
			inline double aka_dot<double>(int * n, double * x, int * incx, double * y,
			int * incy) {
			return AKA_FC_GLOBAL(ddot, DDOT)(n, x, incx, y, incy);
			}

			template <>
			inline void aka_axpy(int * n, double * alpha, double * x, int * incx,
			double * y, int * incy) {
			return AKA_FC_GLOBAL(daxpy, DAXPY)(n, alpha, x, incx, y, incy);
			}

			template <>
			inline void aka_gemv<double>(char * trans, int * m, int * n, double * alpha,
			double * a, int * lda, double * x, int * incx,
			double * beta, double * y, int * incy) {
			return AKA_FC_GLOBAL(dgemv, DGEMV)(trans, m, n, alpha, a, lda, x, incx, beta,
			y, incy);
			}

			template <>
			inline void aka_gemm<double>(char * transa, char * transb, int * m, int * n,
			int * k, double * alpha, double * a, int * lda,
			double * b, int * ldb, double * beta, double * c,
			int * ldc) {
			AKA_FC_GLOBAL(dgemm, DGEMM)
			(transa, transb, m, n, k, alpha, a, lda, b, ldb, beta, c, ldc);
			}

			/* -------------------------------------------------------------------------- */
			/* -------------------------------------------------------------------------- */

			template <>
			inline float aka_dot<float>(int * n, float * x, int * incx, float * y,
			int * incy) {
			return AKA_FC_GLOBAL(sdot, SDOT)(n, x, incx, y, incy);
			}

			template <>
			inline void aka_axpy(int * n, float * alpha, float * x, int * incx, float * y,
			int * incy) {
			return AKA_FC_GLOBAL(daxpy, DAXPY)(n, alpha, x, incx, y, incy);
			}

			template <>
			inline void aka_gemv<float>(char * trans, int * m, int * n, float * alpha,
			float * a, int * lda, float * x, int * incx,
			float * beta, float * y, int * incy) {
			AKA_FC_GLOBAL(sgemv, SGEMV)
			(trans, m, n, alpha, a, lda, x, incx, beta, y, incy);
			}

			template <>
			inline void aka_gemm<float>(char * transa, char * transb, int * m, int * n,
			int * k, float * alpha, float * a, int * lda,
			float * b, int * ldb, float * beta, float * c,
			int * ldc) {
			AKA_FC_GLOBAL(sgemm, SGEMM)
			(transa, transb, m, n, k, alpha, a, lda, b, ldb, beta, c, ldc);
			}

			#endif

			} // namespace akantu

			#ifdef AKANTU_USE_LAPACK
			#include "aka_fortran_mangling.hh"
			extern "C" {
			/* ------------------------------------------------------------------------ */
			/* Double general matrix */
			/* ------------------------------------------------------------------------ */
			/// compute the eigenvalues/vectors
			void AKA_FC_GLOBAL(dgeev, DGEEV)(char * jobvl, char * jobvr, int * n,
			double * a, int * lda, double * wr,
			double * wi, double * vl, int * ldvl,
			double * vr, int * ldvr, double * work,
			int * lwork, int * info);

			/// LU decomposition of a general matrix
			void AKA_FC_GLOBAL(dgetrf, DGETRF)(int * m, int * n, double * a, int * lda,
			int * ipiv, int * info);

			/// generate inverse of a matrix given its LU decomposition
			void AKA_FC_GLOBAL(dgetri, DGETRI)(int * n, double * a, int * lda, int * ipiv,
			double * work, int * lwork, int * info);

			/// solving A x = b using a LU factorization
			void AKA_FC_GLOBAL(dgetrs, DGETRS)(char * trans, int * n, int * nrhs,
			double * A, int * lda, int * ipiv,
			double * b, int * ldb, int * info);

			/* ------------------------------------------------------------------------ */
			/* Simple general matrix */
			/* ------------------------------------------------------------------------ */
			/// compute the eigenvalues/vectors
			void AKA_FC_GLOBAL(sgeev, SGEEV)(char * jobvl, char * jobvr, int * n, float * a,
			int * lda, float * wr, float * wi, float * vl,
			int * ldvl, float * vr, int * ldvr,
			float * work, int * lwork, int * info);

			/// LU decomposition of a general matrix
			void AKA_FC_GLOBAL(sgetrf, SGETRF)(int * m, int * n, float * a, int * lda,
			int * ipiv, int * info);

			/// generate inverse of a matrix given its LU decomposition
			void AKA_FC_GLOBAL(sgetri, SGETRI)(int * n, float * a, int * lda, int * ipiv,
			float * work, int * lwork, int * info);

			/// solving A x = b using a LU factorization
			void AKA_FC_GLOBAL(sgetrs, SGETRS)(char * trans, int * n, int * nrhs, float * A,
			int * lda, int * ipiv, float * b, int * ldb,
			int * info);
			}
			#endif // AKANTU_USE_LAPACK

			namespace akantu {

			/// Wrapper around the S/DGEEV BLAS function that computes the eigenvalues and
			/// eigenvectors of a matrix
			template <typename T>
			inline void aka_geev(char * jobvl, char * jobvr, int * n, T * a, int * lda,
			T * wr, T * wi, T * vl, int * ldvl, T * vr, int * ldvr,
			T * work, int * lwork, int * info) {
			AKANTU_ERROR(debug::demangle(typeid(T).name())
			<< "is not a type recognized, or you didn't activated "
			"LAPACK in the compilation options!");
			}

			/// Wrapper around the S/DGETRF BLAS function that computes the LU decomposition
			/// of a matrix
			template <typename T>
			inline void aka_getrf(int * m, int * n, T * a, int * lda, int * ipiv,
			int * info) {
			AKANTU_ERROR(debug::demangle(typeid(T).name())
			<< "is not a type recognized, or you didn't activated "
			"LAPACK in the compilation options!");
			}

			/// Wrapper around the S/DGETRI BLAS function that computes the inverse of a
			/// matrix given its LU decomposition
			template <typename T>
			inline void aka_getri(int * n, T * a, int * lda, int * ipiv, T * work,
			int * lwork, int * info) {
			AKANTU_ERROR(debug::demangle(typeid(T).name())
			<< "is not a type recognized, or you didn't activated "
			"LAPACK in the compilation options!");
			}

			/// Wrapper around the S/DGETRS BLAS function that solves \f$A^{(T)}x = b\f$
			/// using LU decomposition
			template <typename T>
			inline void aka_getrs(char * trans, int * n, int * nrhs, T * A, int * lda,
			int * ipiv, T * b, int * ldb, int * info) {
			AKANTU_ERROR(debug::demangle(typeid(T).name())
			<< "is not a type recognized, or you didn't activated "
			"LAPACK in the compilation options!");
			}

			#include "aka_warning_restore.hh"

			#ifdef AKANTU_USE_LAPACK
			template <>
			inline void aka_geev<double>(char * jobvl, char * jobvr, int * n, double * a,
			int * lda, double * wr, double * wi, double * vl,
			int * ldvl, double * vr, int * ldvr, double * work,
			int * lwork, int * info) {
			AKA_FC_GLOBAL(dgeev, DGEEV)
			(jobvl, jobvr, n, a, lda, wr, wi, vl, ldvl, vr, ldvr, work, lwork, info);
			}

			template <>
			inline void aka_getrf<double>(int * m, int * n, double * a, int * lda,
			int * ipiv, int * info) {
			AKA_FC_GLOBAL(dgetrf, DGETRF)(m, n, a, lda, ipiv, info);
			}

			template <>
			inline void aka_getri<double>(int * n, double * a, int * lda, int * ipiv,
			double * work, int * lwork, int * info) {
			AKA_FC_GLOBAL(dgetri, DGETRI)(n, a, lda, ipiv, work, lwork, info);
			}

			template <>
			inline void aka_getrs<double>(char * trans, int * n, int * nrhs, double * A,
			int * lda, int * ipiv, double * b, int * ldb,
			int * info) {
			AKA_FC_GLOBAL(dgetrs, DGETRS)(trans, n, nrhs, A, lda, ipiv, b, ldb, info);
			}

			/* -------------------------------------------------------------------------- */
			/* -------------------------------------------------------------------------- */
			template <>
			inline void aka_geev<float>(char * jobvl, char * jobvr, int * n, float * a,
			int * lda, float * wr, float * wi, float * vl,
			int * ldvl, float * vr, int * ldvr, float * work,
			int * lwork, int * info) {
			AKA_FC_GLOBAL(sgeev, SGEEV)
			(jobvl, jobvr, n, a, lda, wr, wi, vl, ldvl, vr, ldvr, work, lwork, info);
			}

			template <>
			inline void aka_getrf<float>(int * m, int * n, float * a, int * lda, int * ipiv,
			int * info) {
			AKA_FC_GLOBAL(sgetrf, SGETRF)(m, n, a, lda, ipiv, info);
			}

			template <>
			inline void aka_getri<float>(int * n, float * a, int * lda, int * ipiv,
			float * work, int * lwork, int * info) {
			AKA_FC_GLOBAL(sgetri, SGETRI)(n, a, lda, ipiv, work, lwork, info);
			}

			template <>
			inline void aka_getrs<float>(char * trans, int * n, int * nrhs, float * A,
			int * lda, int * ipiv, float * b, int * ldb,
			int * info) {
			AKA_FC_GLOBAL(sgetrs, SGETRS)(trans, n, nrhs, A, lda, ipiv, b, ldb, info);
			}
			#endif

			} // namespace akantu

			#endif /* AKANTU_AKA_BLAS_LAPACK_HH_ */

rAKA/src/common/aka_blas_lapack.hheb43f181a4cbfeatures/9-generate-a…

aka_blas_lapack.hhView Options

rAKA/src/common/aka_blas_lapack.hh
eb43f181a4cbfeatures/9-generate-a…

aka_blas_lapack.hh
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