2018-09-20 20:22:29 +00:00
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/*
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2019-01-09 20:22:17 +00:00
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* Copyright (c) 2015-2019 Sergey Bakhurin
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2018-09-20 20:22:29 +00:00
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* Digital Signal Processing Library [http://dsplib.org]
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*
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* This file is part of libdspl-2.0.
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*
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* is free software: you can redistribute it and/or modify
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2020-07-23 18:55:02 +00:00
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* it under the terms of the GNU Lesser General Public License as published by
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2018-09-20 20:22:29 +00:00
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* DSPL is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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2020-07-23 18:55:02 +00:00
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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2018-09-20 20:22:29 +00:00
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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2020-07-23 18:55:02 +00:00
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* along with Foobar. If not, see <http://www.gnu.org/licenses/>.
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2018-09-20 20:22:29 +00:00
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*/
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2018-09-26 21:05:39 +00:00
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#include <stdio.h>
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2018-09-20 20:22:29 +00:00
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#include <stdlib.h>
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#include <string.h>
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#include "dspl.h"
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2018-10-25 17:25:39 +00:00
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#include "dspl_internal.h"
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2019-10-10 18:02:33 +00:00
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#include "blas.h"
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2018-09-20 20:22:29 +00:00
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2020-07-23 18:55:02 +00:00
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#ifdef DOXYGEN_ENGLISH
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2019-10-13 11:29:21 +00:00
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2020-07-23 18:55:02 +00:00
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#endif
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#ifdef DOXYGEN_RUSSIAN
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/*! ****************************************************************************
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\ingroup SPEC_MATH_LINALG_GROUP
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\fn int matrix_eig_cmplx(complex_t* a, int n, complex_t* v, int* info)
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\brief Расчет собственных значений квадратной комплексной матрицы.
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Данная функция производит расчет `n` собственных значений квадратной матрицы
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размером `n x n`.
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\param[in] a
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Указатель на комплексную матрицу размерности `n x n`. \n
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Матрица должна быть расположена в памяти по столбцам. \n\n
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\param[in] n
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Размерность квадратной матрицы.\n
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\param[out] v
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Указатель на вектор собственных значений матрицы. \n
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Размер вектора `n x 1`. \n
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Память должна быть выделена. \n\n
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\param[out] info
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Указатель на код возврата функции `zgees` пакета LAPACK. \n
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В случае возникновения ошибки при расчете вектора собственных значений,
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пакет LAPACK возвращает код ошибки, который может быть прочитан по данному
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указателю. \n
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\return
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`RES_OK` --- функция выполнена успешно. \n
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В противном случае \ref ERROR_CODE_GROUP "код ошибки". \n
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При возникновении ошибки `ERROR_LAPACK` по адресу
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`info` будет записан код ошибки пакета LAPACK. \n
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Пример расчета собственных значений матрицы:
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\include matrix_eig.c
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Данная программа рассчитывает собственные значения матрицы размерности `3 x 3`
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и выводит собственные значения на печать. \n
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Результат работы программы:
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\verbatim
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A = [ % size [3 x 3] type: complex
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1.00 +0.00i, 2.00 +0.00i, 3.00 +0.00i;
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1.00 +0.00i, 0.00 +0.00i, 0.00 +0.00i;
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0.00 +0.00i, 1.00 +0.00i, 0.00 +0.00i;];
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v = [ % size [3 x 1] type: complex
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2.374424 -0.000000i;
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-0.687212 +0.889497i;
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-0.687212 -0.889497i;];
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\endverbatim
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\author Бахурин Сергей www.dsplib.org
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***************************************************************************** */
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#endif
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2019-10-13 11:29:21 +00:00
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int DSPL_API matrix_eig_cmplx(complex_t* a, int n, complex_t* v, int* info)
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2018-09-20 20:22:29 +00:00
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{
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2020-07-23 18:55:02 +00:00
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int err;
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int sdim = 0;
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int ldvs = 1;
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int lwork = 2*n;
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if(!a || !v)
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return ERROR_PTR;
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if(n<1)
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return ERROR_MATRIX_SIZE;
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complex_t *work=(complex_t*)malloc(lwork*sizeof(complex_t));
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double *rwork = (double*)malloc(n*sizeof(double));
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zgees_("N", "N", NULL, &n, a, &n, &sdim, v, NULL, &ldvs, work, &lwork,
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rwork, NULL, &err);
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if(err!=0)
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{
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if(info)
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*info = err;
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err = ERROR_LAPACK;
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}
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else
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err = RES_OK;
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free(work);
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free(rwork);
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return err;
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2018-09-20 20:22:29 +00:00
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}
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2019-06-09 12:25:11 +00:00
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2020-07-23 18:55:02 +00:00
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#ifdef DOXYGEN_ENGLISH
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#endif
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#ifdef DOXYGEN_RUSSIAN
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/*! ****************************************************************************
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\ingroup SPEC_MATH_LINALG_GROUP
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\fn int matrix_eye(double* a, int n, int m)
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\brief Генерирование единичной вещественой матрицы размерности `n x m`.
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2019-10-13 11:29:21 +00:00
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2020-07-23 18:55:02 +00:00
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Данная функция заполняет матрицу нулями
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и записывает единицы на главной диагонали
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\param[in] a
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Указатель на вещественную матрицу размерности `n x m`. \n
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Матрица должна быть расположена в памяти по столбцам. \n \n
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\param[in] n
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Количество строк матрицы. \n\n
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\param[in] m
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Количество столбцов матрицы. \n\n
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\return
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`RES_OK` --- функция выполнена успешно. \n
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В противном случае \ref ERROR_CODE_GROUP "код ошибки". \n
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\author Бахурин Сергей www.dsplib.org
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***************************************************************************** */
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#endif
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2019-10-13 11:29:21 +00:00
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int DSPL_API matrix_eye(double* a, int n, int m)
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2019-02-26 20:37:58 +00:00
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{
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2020-07-23 18:55:02 +00:00
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int p, k;
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if(!a)
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return ERROR_PTR;
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if (n < 1 || m < 1)
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return ERROR_MATRIX_SIZE;
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k = 0;
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memset(a, 0, n*m*sizeof(double));
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for(p = 0; p < m; p++)
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{
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a[k] = 1.0;
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k += n+1;
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}
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return RES_OK;
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2019-02-26 20:37:58 +00:00
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}
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2018-09-20 20:22:29 +00:00
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2020-07-23 18:55:02 +00:00
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#ifdef DOXYGEN_ENGLISH
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#endif
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#ifdef DOXYGEN_RUSSIAN
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#endif
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2019-10-13 11:29:21 +00:00
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int DSPL_API matrix_eye_cmplx(complex_t* a, int n, int m)
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2018-09-26 21:05:39 +00:00
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{
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2020-07-23 18:55:02 +00:00
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int p, k;
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if(!a)
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return ERROR_PTR;
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if (n < 1 || m < 1)
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return ERROR_MATRIX_SIZE;
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k = 0;
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memset(a, 0, n*m*sizeof(complex_t));
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for(p = 0; p < m; p++)
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{
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RE(a[k]) = 1.0;
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k += n+1;
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}
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return RES_OK;
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2018-09-26 21:05:39 +00:00
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}
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2019-10-13 11:29:21 +00:00
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2018-09-26 21:05:39 +00:00
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2020-07-23 18:55:02 +00:00
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#ifdef DOXYGEN_ENGLISH
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2018-09-26 21:05:39 +00:00
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2020-07-23 18:55:02 +00:00
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#endif
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#ifdef DOXYGEN_RUSSIAN
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2018-09-26 21:05:39 +00:00
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2020-07-23 18:55:02 +00:00
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#endif
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2019-10-13 11:29:21 +00:00
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int DSPL_API matrix_mul(double* a, int na, int ma,
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double* b, int nb, int mb,
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double* c)
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2018-09-26 21:05:39 +00:00
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{
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2020-07-23 18:55:02 +00:00
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double alpha = 1;
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double beta = 0.0;
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if(!a || !b || !c)
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return ERROR_PTR;
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if(na < 1 || ma < 1 || nb < 1 || mb < 1 || ma != nb)
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return ERROR_MATRIX_SIZE;
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/* BLAS DGEMM */
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dgemm_("N", "N", &na, &mb, &ma, &alpha, a, &na, b, &nb, &beta, c, &na);
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return RES_OK;
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2018-09-26 21:05:39 +00:00
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}
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2019-10-13 11:29:21 +00:00
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2020-07-23 18:55:02 +00:00
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#ifdef DOXYGEN_ENGLISH
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#endif
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#ifdef DOXYGEN_RUSSIAN
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#endif
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2019-10-13 11:29:21 +00:00
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int DSPL_API matrix_print(double* a, int n, int m,
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const char* name, const char* format)
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2019-02-26 20:37:58 +00:00
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{
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2020-07-23 18:55:02 +00:00
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int p,q;
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if(!a)
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return ERROR_PTR;
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if(n < 1 || m < 1)
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return ERROR_SIZE;
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printf("\n%s = [ %% size [%d x %d] type: real", name, n, m);
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2019-10-13 11:29:21 +00:00
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2020-07-23 18:55:02 +00:00
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for(p = 0; p < n; p++)
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2019-10-13 11:29:21 +00:00
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{
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2020-07-23 18:55:02 +00:00
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printf("\n");
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for(q = 0; q < m; q++)
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{
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printf(format, a[q*n + p]);
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if(q == m-1)
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printf(";");
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else
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printf(", ");
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}
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2019-10-13 11:29:21 +00:00
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}
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2020-07-23 18:55:02 +00:00
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printf("];\n");
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return RES_OK;
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2019-02-26 20:37:58 +00:00
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}
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2020-07-23 18:55:02 +00:00
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#ifdef DOXYGEN_ENGLISH
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#endif
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#ifdef DOXYGEN_RUSSIAN
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#endif
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2019-10-13 11:29:21 +00:00
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int DSPL_API matrix_print_cmplx(complex_t* a, int n, int m,
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const char* name, const char* format)
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2019-02-26 20:37:58 +00:00
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{
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2020-07-23 18:55:02 +00:00
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int p,q;
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if(!a)
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return ERROR_PTR;
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if(n < 1 || m < 1)
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return ERROR_MATRIX_SIZE;
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if(!a)
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return ERROR_PTR;
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if(n < 1 || m < 1)
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return ERROR_SIZE;
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printf("\n%s = [ %% size [%d x %d] type: complex", name, n, m);
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2019-10-13 11:29:21 +00:00
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2020-07-23 18:55:02 +00:00
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for(p = 0; p < n; p++)
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2019-10-13 11:29:21 +00:00
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{
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2020-07-23 18:55:02 +00:00
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printf("\n");
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for(q = 0; q < m; q++)
|
|
|
|
|
{
|
|
|
|
|
printf(format, RE(a[q*n + p]), IM(a[q*n + p]));
|
|
|
|
|
if(q == m-1)
|
|
|
|
|
printf(";");
|
|
|
|
|
else
|
|
|
|
|
printf(", ");
|
|
|
|
|
}
|
2019-10-13 11:29:21 +00:00
|
|
|
|
}
|
2020-07-23 18:55:02 +00:00
|
|
|
|
printf("];\n");
|
2018-09-26 21:05:39 +00:00
|
|
|
|
|
2020-07-23 18:55:02 +00:00
|
|
|
|
return RES_OK;
|
2018-09-26 21:05:39 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2020-07-23 18:55:02 +00:00
|
|
|
|
#ifdef DOXYGEN_ENGLISH
|
2018-09-20 20:22:29 +00:00
|
|
|
|
|
2020-07-23 18:55:02 +00:00
|
|
|
|
#endif
|
|
|
|
|
#ifdef DOXYGEN_RUSSIAN
|
|
|
|
|
|
|
|
|
|
#endif
|
2019-10-13 11:29:21 +00:00
|
|
|
|
int DSPL_API matrix_transpose(double* a, int n, int m, double* b)
|
2018-09-20 20:22:29 +00:00
|
|
|
|
{
|
2020-07-23 18:55:02 +00:00
|
|
|
|
int p, q, i, j, aind, bind;
|
|
|
|
|
if(!a || !b)
|
|
|
|
|
return ERROR_PTR;
|
|
|
|
|
if(n < 1 || m < 1)
|
|
|
|
|
return ERROR_MATRIX_SIZE;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
for(p = 0; p < n - DSPL_MATRIX_BLOCK; p+=DSPL_MATRIX_BLOCK)
|
2018-10-24 17:39:51 +00:00
|
|
|
|
{
|
2020-07-23 18:55:02 +00:00
|
|
|
|
for(q = 0; q < m - DSPL_MATRIX_BLOCK; q+=DSPL_MATRIX_BLOCK)
|
2018-10-24 17:39:51 +00:00
|
|
|
|
{
|
2020-07-23 18:55:02 +00:00
|
|
|
|
for(i = 0; i < DSPL_MATRIX_BLOCK; i++)
|
|
|
|
|
{
|
|
|
|
|
for(j = 0; j < DSPL_MATRIX_BLOCK; j++)
|
|
|
|
|
{
|
|
|
|
|
aind = (q+j) * n + p + i;
|
|
|
|
|
bind = (p+i) * m + q + j;
|
|
|
|
|
b[bind] = a[aind];
|
|
|
|
|
}
|
|
|
|
|
}
|
2018-10-24 17:39:51 +00:00
|
|
|
|
}
|
|
|
|
|
}
|
2020-07-23 18:55:02 +00:00
|
|
|
|
for(i = p; i < n; i++)
|
|
|
|
|
for(j = 0; j < m; j++)
|
|
|
|
|
b[i*m + j] = a[j*n+i];
|
|
|
|
|
|
|
|
|
|
for(i = 0; i < p; i++)
|
|
|
|
|
for(j = q; j < m; j++)
|
|
|
|
|
b[i*m + j] = a[j*n+i];
|
|
|
|
|
|
|
|
|
|
return RES_OK;
|
2018-09-20 20:22:29 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2018-09-26 21:05:39 +00:00
|
|
|
|
|
2020-07-23 18:55:02 +00:00
|
|
|
|
#ifdef DOXYGEN_ENGLISH
|
|
|
|
|
|
|
|
|
|
#endif
|
|
|
|
|
#ifdef DOXYGEN_RUSSIAN
|
|
|
|
|
|
|
|
|
|
#endif
|
2019-10-13 11:29:21 +00:00
|
|
|
|
int DSPL_API matrix_transpose_cmplx(complex_t* a, int n, int m, complex_t* b)
|
2018-09-20 20:22:29 +00:00
|
|
|
|
{
|
2020-07-23 18:55:02 +00:00
|
|
|
|
int p, q, i, j, aind, bind;
|
2019-10-13 11:29:21 +00:00
|
|
|
|
|
2020-07-23 18:55:02 +00:00
|
|
|
|
if(!a || !b)
|
|
|
|
|
return ERROR_PTR;
|
|
|
|
|
if(n < 1 || m < 1)
|
|
|
|
|
return ERROR_MATRIX_SIZE;
|
|
|
|
|
|
|
|
|
|
for(p = 0; p < n - DSPL_MATRIX_BLOCK; p+=DSPL_MATRIX_BLOCK)
|
2018-10-24 17:39:51 +00:00
|
|
|
|
{
|
2020-07-23 18:55:02 +00:00
|
|
|
|
for(q = 0; q < m - DSPL_MATRIX_BLOCK; q+=DSPL_MATRIX_BLOCK)
|
2018-10-24 17:39:51 +00:00
|
|
|
|
{
|
2020-07-23 18:55:02 +00:00
|
|
|
|
for(i = 0; i < DSPL_MATRIX_BLOCK; i++)
|
|
|
|
|
{
|
|
|
|
|
for(j = 0; j < DSPL_MATRIX_BLOCK; j++)
|
|
|
|
|
{
|
|
|
|
|
aind = (q+j) * n + p + i;
|
|
|
|
|
bind = (p+i) * m + q + j;
|
|
|
|
|
RE(b[bind]) = RE(a[aind]);
|
|
|
|
|
IM(b[bind]) = IM(a[aind]);
|
|
|
|
|
}
|
|
|
|
|
}
|
2018-10-24 17:39:51 +00:00
|
|
|
|
}
|
|
|
|
|
}
|
2020-07-23 18:55:02 +00:00
|
|
|
|
for(i = p; i < n; i++)
|
2018-10-24 17:39:51 +00:00
|
|
|
|
{
|
2020-07-23 18:55:02 +00:00
|
|
|
|
for(j = 0; j < m; j++)
|
|
|
|
|
{
|
|
|
|
|
RE(b[i*m + j]) = RE(a[j*n+i]);
|
|
|
|
|
IM(b[i*m + j]) = IM(a[j*n+i]);
|
|
|
|
|
}
|
2018-10-24 17:39:51 +00:00
|
|
|
|
}
|
|
|
|
|
|
2020-07-23 18:55:02 +00:00
|
|
|
|
for(i = 0; i < p; i++)
|
2018-10-24 17:39:51 +00:00
|
|
|
|
{
|
2020-07-23 18:55:02 +00:00
|
|
|
|
for(j = q; j < m; j++)
|
|
|
|
|
{
|
|
|
|
|
RE(b[i*m + j]) = RE(a[j*n+i]);
|
|
|
|
|
IM(b[i*m + j]) = IM(a[j*n+i]);
|
|
|
|
|
}
|
2018-10-24 17:39:51 +00:00
|
|
|
|
}
|
2020-07-23 18:55:02 +00:00
|
|
|
|
return RES_OK;
|
2018-09-20 20:22:29 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2018-09-26 21:05:39 +00:00
|
|
|
|
|
2020-07-23 18:55:02 +00:00
|
|
|
|
#ifdef DOXYGEN_ENGLISH
|
|
|
|
|
|
|
|
|
|
#endif
|
|
|
|
|
#ifdef DOXYGEN_RUSSIAN
|
|
|
|
|
|
|
|
|
|
#endif
|
2019-10-13 11:29:21 +00:00
|
|
|
|
int DSPL_API matrix_transpose_hermite(complex_t* a, int n, int m, complex_t* b)
|
2018-09-20 20:22:29 +00:00
|
|
|
|
{
|
2020-07-23 18:55:02 +00:00
|
|
|
|
int p, q, i, j, aind, bind;
|
|
|
|
|
|
|
|
|
|
if(!a || !b)
|
|
|
|
|
return ERROR_PTR;
|
|
|
|
|
if(n < 1 || m < 1)
|
|
|
|
|
return ERROR_MATRIX_SIZE;
|
|
|
|
|
|
|
|
|
|
for(p = 0; p < n - DSPL_MATRIX_BLOCK; p+=DSPL_MATRIX_BLOCK)
|
2018-10-24 17:39:51 +00:00
|
|
|
|
{
|
2020-07-23 18:55:02 +00:00
|
|
|
|
for(q = 0; q < m - DSPL_MATRIX_BLOCK; q+=DSPL_MATRIX_BLOCK)
|
2018-10-24 17:39:51 +00:00
|
|
|
|
{
|
2020-07-23 18:55:02 +00:00
|
|
|
|
for(i = 0; i < DSPL_MATRIX_BLOCK; i++)
|
|
|
|
|
{
|
|
|
|
|
for(j = 0; j < DSPL_MATRIX_BLOCK; j++)
|
|
|
|
|
{
|
|
|
|
|
aind = (q+j) * n + p + i;
|
|
|
|
|
bind = (p+i) * m + q + j;
|
|
|
|
|
RE(b[bind]) = RE(a[aind]);
|
|
|
|
|
IM(b[bind]) = -IM(a[aind]);
|
|
|
|
|
}
|
|
|
|
|
}
|
2018-10-24 17:39:51 +00:00
|
|
|
|
}
|
|
|
|
|
}
|
2020-07-23 18:55:02 +00:00
|
|
|
|
for(i = p; i < n; i++)
|
2018-10-24 17:39:51 +00:00
|
|
|
|
{
|
2020-07-23 18:55:02 +00:00
|
|
|
|
for(j = 0; j < m; j++)
|
|
|
|
|
{
|
|
|
|
|
RE(b[i*m + j]) = RE(a[j*n+i]);
|
|
|
|
|
IM(b[i*m + j]) = -IM(a[j*n+i]);
|
|
|
|
|
}
|
2018-10-24 17:39:51 +00:00
|
|
|
|
}
|
|
|
|
|
|
2020-07-23 18:55:02 +00:00
|
|
|
|
for(i = 0; i < p; i++)
|
2018-10-24 17:39:51 +00:00
|
|
|
|
{
|
2020-07-23 18:55:02 +00:00
|
|
|
|
for(j = q; j < m; j++)
|
|
|
|
|
{
|
|
|
|
|
RE(b[i*m + j]) = RE(a[j*n+i]);
|
|
|
|
|
IM(b[i*m + j]) = -IM(a[j*n+i]);
|
|
|
|
|
}
|
2018-10-24 17:39:51 +00:00
|
|
|
|
}
|
2020-07-23 18:55:02 +00:00
|
|
|
|
|
|
|
|
|
return RES_OK;
|
2018-09-20 20:22:29 +00:00
|
|
|
|
}
|
|
|
|
|
|
2019-10-13 14:19:50 +00:00
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2020-07-23 18:55:02 +00:00
|
|
|
|
#ifdef DOXYGEN_ENGLISH
|
|
|
|
|
|
|
|
|
|
#endif
|
|
|
|
|
#ifdef DOXYGEN_RUSSIAN
|
2019-10-13 14:19:50 +00:00
|
|
|
|
|
2020-07-23 18:55:02 +00:00
|
|
|
|
#endif
|
2019-10-13 14:19:50 +00:00
|
|
|
|
int DSPL_API vector_dot(double* x, double* y, int n, double* p)
|
|
|
|
|
{
|
2020-07-23 18:55:02 +00:00
|
|
|
|
int inc = 1;
|
2019-10-13 14:19:50 +00:00
|
|
|
|
|
2020-07-23 18:55:02 +00:00
|
|
|
|
if(!x || !y || !p)
|
|
|
|
|
return ERROR_PTR;
|
|
|
|
|
if(n<1)
|
|
|
|
|
return ERROR_SIZE;
|
|
|
|
|
|
|
|
|
|
*p = ddot_(&n, x, &inc, y, &inc);
|
|
|
|
|
|
|
|
|
|
return RES_OK;
|
2019-10-13 14:19:50 +00:00
|
|
|
|
}
|
|
|
|
|
|