/
omc_math.c
804 lines (717 loc) · 22.9 KB
/
omc_math.c
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/*
* This file is part of OpenModelica.
*
* Copyright (c) 1998-CurrentYear, Open Source Modelica Consortium (OSMC),
* c/o Linköpings universitet, Department of Computer and Information Science,
* SE-58183 Linköping, Sweden.
*
* All rights reserved.
*
* THIS PROGRAM IS PROVIDED UNDER THE TERMS OF THE BSD NEW LICENSE OR THE
* GPL VERSION 3 LICENSE OR THE OSMC PUBLIC LICENSE (OSMC-PL) VERSION 1.2.
* ANY USE, REPRODUCTION OR DISTRIBUTION OF THIS PROGRAM CONSTITUTES
* RECIPIENT'S ACCEPTANCE OF THE OSMC PUBLIC LICENSE OR THE GPL VERSION 3,
* ACCORDING TO RECIPIENTS CHOICE.
*
* The OpenModelica software and the OSMC (Open Source Modelica Consortium)
* Public License (OSMC-PL) are obtained from OSMC, either from the above
* address, from the URLs: http://www.openmodelica.org or
* http://www.ida.liu.se/projects/OpenModelica, and in the OpenModelica
* distribution. GNU version 3 is obtained from:
* http://www.gnu.org/copyleft/gpl.html. The New BSD License is obtained from:
* http://www.opensource.org/licenses/BSD-3-Clause.
*
* This program is distributed WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, EXCEPT AS
* EXPRESSLY SET FORTH IN THE BY RECIPIENT SELECTED SUBSIDIARY LICENSE
* CONDITIONS OF OSMC-PL.
*
*/
/*! \file omc_math.c
*/
#include <string.h> /* memcpy */
#include <math.h>
#include "util/omc_error.h"
#include "omc_math.h"
/*! \fn _omc_vector* _omc_allocateVectorData(_omc_size size)
*
* allocate _omc_vector and memory of size rows for data
*
* \param [in] [size] Number of elements
*/
_omc_vector* _omc_allocateVectorData(const _omc_size size) {
_omc_vector* vec = NULL;
_omc_scalar* data = NULL;
assertStreamPrint(NULL, size > 0, "size needs to be greater zero");
vec = (_omc_vector*) malloc(sizeof(_omc_vector));
assertStreamPrint(NULL, NULL != vec, "out of memory");
data = (_omc_scalar*) malloc(size * sizeof(_omc_scalar));
assertStreamPrint(NULL, NULL != data, "out of memory");
vec->size = size;
vec->data = data;
return vec;
}
/*! \fn void _omc_deallocateVectorData(_omc_vector* vec)
*
* free memory in data
*
* \param [ref] [vec] !TODO: DESCRIBE ME!
*/
void _omc_deallocateVectorData(_omc_vector* vec) {
free(vec->data);
free(vec);
}
/*! \fn _omc_vector* _omc_createVector(_omc_size size, _omc_scalar* data)
*
* creates a _omc_vector with a data of _omc_vector
*
* \param [in] [size] size of the vector
* \param [ref] [data] !TODO: DESCRIBE ME!
*/
_omc_vector* _omc_createVector(const _omc_size size, _omc_scalar* data) {
_omc_vector* vec = NULL;
assertStreamPrint(NULL, size > 0, "size needs to be greater zero");
vec = (_omc_vector*) malloc(sizeof(_omc_vector));
assertStreamPrint(NULL, NULL != vec, "out of memory");
vec->size = size;
vec->data = data;
return vec;
}
/*! \fn void _omc_destroyVector(_omc_vector* vec)
*
* free _omc_vector
*
* \param [ref] [vec] !TODO: DESCRIBE ME!
*/
void _omc_destroyVector(_omc_vector* vec) {
free(vec);
}
/*! \fn void _omc_copyVector(_omc_vector* dest, const _omc_vector* src)
*
* creates a new _omc_vector by coping all data
*
* \param [out] [dest] the destination vector, which need already be allocated
* \param [in] [src] the original vector
*/
void _omc_copyVector(_omc_vector* dest, const _omc_vector* src)
{
assertStreamPrint(NULL, dest->size == src->size, "sizes of the vector need to be equal");
memcpy(dest->data, src->data, sizeof(_omc_scalar) * dest->size);
}
/*! \fn _omc_matrix* _omc_allocateMatrixData(_omc_size rows, _omc_size cols)
*
* allocate _omc_matrix and memory of size rows*cols for data
*
* \param [in] [rows] Number of rows
* \param [in] [cols] Number of cols
*/
_omc_matrix* _omc_allocateMatrixData(const _omc_size rows, const _omc_size cols)
{
_omc_matrix* mat = NULL;
_omc_scalar* data = NULL;
assertStreamPrint(NULL, rows > 0, "size of rows need greater zero");
assertStreamPrint(NULL, cols > 0, "size of cols need greater zero");
mat = (_omc_matrix*) malloc(sizeof(_omc_matrix));
assertStreamPrint(NULL, NULL != mat, "out of memory");
data = (_omc_scalar*) malloc(rows * cols * sizeof(_omc_scalar));
assertStreamPrint(NULL, NULL != mat, "data out of memory");
mat->rows = rows;
mat->cols = cols;
mat->data = data;
return mat;
}
/*! \fn void _omc_deallocateMatrixData(_omc_matrix* mat)
*
* free memory in data
*
* \param [ref] [mat] !TODO: DESCRIBE ME!
*/
void _omc_deallocateMatrixData(_omc_matrix* mat)
{
free(mat->data);
free(mat);
}
/*! \fn _omc_matrix* _omc_createMatrix(_omc_size rows, _omc_size cols, _omc_scalar* data)
*
* creates a _omc_matrix with a data of _omc_matrix
*
* \param [in] [rows] Number of rows
* \param [in] [cols] Number of cols
* \param [ref] [data] !TODO: DESCRIBE ME!
*/
_omc_matrix* _omc_createMatrix(const _omc_size rows, const _omc_size cols, _omc_scalar* data)
{
_omc_matrix* mat = NULL;
assertStreamPrint(NULL, rows > 0, "size of rows need greater zero");
assertStreamPrint(NULL, cols > 0, "size of cols need greater zero");
mat = (_omc_matrix*) malloc(sizeof(_omc_matrix));
assertStreamPrint(NULL, NULL != mat, "out of memory");
mat->rows = rows;
mat->cols = cols;
mat->data = data;
return mat;
}
/*! \fn void _omc_destroyMatrix(_omc_matrix* mat)
*
* free _omc_matrix
*
* \param [ref] [mat] !TODO: DESCRIBE ME!
*/
void _omc_destroyMatrix(_omc_matrix* mat)
{
free(mat);
}
/*! \fn _omc_matrix* _omc_copyMatrix(_omc_matrix* mat1)
*
* creates a new _omc_matrix by coping all data
*
* \param [in] [mat1] the original matrix
*/
_omc_matrix* _omc_copyMatrix(_omc_matrix* mat1)
{
_omc_matrix* mat = _omc_allocateMatrixData(mat1->rows, mat1->cols);
memcpy(mat->data, mat1->data, sizeof(_omc_scalar) * _omc_getMatrixSize(mat1));
return mat;
}
/*! \fn _omc_scalar* _omc_getVectorData(_omc_vector* vec)
*
* get data of _omc_vector
*
* \param [ref] [vec] !TODO: DESCRIBE ME!
*/
_omc_scalar* _omc_getVectorData(_omc_vector* vec)
{
return vec->data;
}
/*! \fn _omc_size _omc_getVectorSize(_omc_vector* vec)
*
* get size of _omc_vector
*
* \param [ref] [vec] !TODO: DESCRIBE ME!
*/
_omc_size _omc_getVectorSize(_omc_vector* vec)
{
return vec->size;
}
/*! \fn _omc_scalar _omc_getVectorElement(_omc_vector* vec, _omc_size i)
*
* get i-th element of _omc_vector
*
* \param [ref] [vec] !TODO: DESCRIBE ME!
* \param [in] [i] element
*/
_omc_scalar _omc_getVectorElement(_omc_vector* vec, const _omc_size i)
{
assertStreamPrint(NULL, 0 <= i, "index out of bounds: %d", (int)i);
assertStreamPrint(NULL, i < vec->size, "_omc_vector size %d smaller than %d", (int)vec->size, (int)i);
return vec->data[i];
}
/*! \fn void _omc_setVectorElement(_omc_vector* vec, _omc_size i, _omc_scalar s)
*
* set i-th element of _omc_vector
*
* \param [ref] [vec] !TODO: DESCRIBE ME!
* \param [in] [i] element
* \param [in] [s] !TODO: DESCRIBE ME!
*/
void _omc_setVectorElement(_omc_vector* vec, const _omc_size i, const _omc_scalar s)
{
assertStreamPrint(NULL, 0 <= i, "index out of bounds: %d", (int)i);
assertStreamPrint(NULL, i < vec->size, "_omc_vector size %d smaller than %d", (int)vec->size, (int)i);
vec->data[i] = s;
}
/*! \fn _omc_scalar* _omc_setVectorData(_omc_vector* vec, _omc_scalar* data)
*
* replaces data of _omc_vector and return the old one
*
* \param [ref] [vec] !TODO: DESCRIBE ME!
* \param [ref] [data*] !TODO: DESCRIBE ME!
*/
_omc_scalar* _omc_setVectorData(_omc_vector* vec, _omc_scalar* data)
{
_omc_scalar* output = vec->data;
vec->data = data;
return output;
}
/*! \fn _omc_scalar* _omc_getMatrixData(_omc_matrix* mat)
*
* get data of _omc_matrix
*
* \param [ref] [mat] !TODO: DESCRIBE ME!
*/
_omc_scalar* _omc_getMatrixData(_omc_matrix* mat)
{
return mat->data;
}
/*! \fn _omc_size _omc_getMatrixRows(_omc_matrix* mat)
*
* get rows size of _omc_matrix
*
* \param [ref] [mat] !TODO: DESCRIBE ME!
*/
_omc_size _omc_getMatrixRows(_omc_matrix* mat)
{
return mat->rows;
}
/*! \fn _omc_size _omc_getMatrixCols(_omc_matrix* mat)
*
* get cols size of _omc_matrix
*
* \param [ref] [mat] !TODO: DESCRIBE ME!
*/
_omc_size _omc_getMatrixCols(_omc_matrix* mat)
{
return mat->cols;
}
/*! \fn _omc_size _omc_getMatrixSize(_omc_matrix* mat)
*
* get size of _omc_matrix
*
* \param [ref] [mat] !TODO: DESCRIBE ME!
*/
_omc_size _omc_getMatrixSize(_omc_matrix* mat)
{
return mat->rows * mat->cols;
}
/*! \fn _omc_scalar _omc_getMatrixElement(_omc_matrix* mat, _omc_size i, _omc_size j)
*
* get (i,j)-th element of _omc_matrix
*
* \param [ref] [_omc_matrix] !TODO: DESCRIBE ME!
* \param [in] [_omc_size] rows
* \param [in] [_omc_size] cols
*/
_omc_scalar _omc_getMatrixElement(_omc_matrix* mat, const _omc_size i, const _omc_size j)
{
assertStreamPrint(NULL, 0 <= i, "index i out of bounds: %d", (int)i);
assertStreamPrint(NULL, 0 <= j, "index j out of bounds: %d", (int)j);
assertStreamPrint(NULL, i < mat->rows, "_omc_matrix rows(%d) too small for %d", (int)mat->rows, (int)i);
assertStreamPrint(NULL, j < mat->cols, "_omc_matrix cols(%d) too small for %d", (int)mat->cols, (int)j);
return mat->data[i + j * mat->cols];
}
/*! \fn void _omc_setMatrixElement(_omc_matrix* mat, _omc_size i, _omc_size j, _omc_scalar s)
*
* set i-th element of _omc_matrix
*
* \param [ref] [mat] !TODO: DESCRIBE ME!
* \param [in] [i] rows
* \param [in] [j] cols
* \param [in] [s] !TODO: DESCRIBE ME!
*/
void _omc_setMatrixElement(_omc_matrix* mat, const _omc_size i, const _omc_size j, _omc_scalar s)
{
assertStreamPrint(NULL, i < mat->rows, "_omc_matrix rows(%d) too small for %d", (int)mat->rows, (int)i);
assertStreamPrint(NULL, j < mat->cols, "_omc_matrix cols(%d) too small for %d", (int)mat->cols, (int)j);
mat->data[i + j * mat->cols] = s;
}
/*! \fn _omc_scalar* _omc_setMatrixData(_omc_matrix* mat, _omc_scalar* data)
*
* get data of _omc_matrix
*
* \param [ref] [mat] !TODO: DESCRIBE ME!
* \param [in] [data] !TODO: DESCRIBE ME!
*/
_omc_scalar* _omc_setMatrixData(_omc_matrix* mat, _omc_scalar* data)
{
_omc_scalar* output = mat->data;
mat->data = data;
return output;
}
/*! \fn _omc_vector* _omc_fillVector(_omc_vector* vec, _omc_scalar s)
*
* fill all elements of _omc_vector by s
*
* \param [ref] [vec] !TODO: DESCRIBE ME!
* \param [in] [s] !TODO: DESCRIBE ME!
*/
_omc_vector* _omc_fillVector(_omc_vector* vec, _omc_scalar s)
{
_omc_size i;
assertStreamPrint(NULL, NULL != vec->data, "_omc_vector data is NULL pointer");
for (i = 0; i < vec->size; ++i)
{
vec->data[i] = s;
}
return vec;
}
/*! \fn _omc_vector* _omc_negateVector(_omc_vector* vec)
*
* negate all elements of _omc_vector
*
* \param [ref] [_omc_vector] !TODO: DESCRIBE ME!
*/
_omc_vector* _omc_negateVector(_omc_vector* vec)
{
_omc_size i;
assertStreamPrint(NULL, NULL != vec->data, "_omc_vector data is NULL pointer");
for (i = 0; i < vec->size; ++i)
{
vec->data[i] = -vec->data[i];
}
return vec;
}
/*! \fn _omc_vector* _omc_multiplyScalarVector(_omc_vector* vec, _omc_scalar s)
*
* multiply all elements of _omc_vector by s
*
* \param [ref] [vec] !TODO: DESCRIBE ME!
* \param [in] [s] !TODO: DESCRIBE ME!
*/
_omc_vector* _omc_multiplyScalarVector(_omc_vector* vec, _omc_scalar s)
{
_omc_size i;
assertStreamPrint(NULL, NULL != vec->data, "_omc_vector data is NULL pointer");
for (i = 0; i < vec->size; ++i)
{
vec->data[i] *= s;
}
return vec;
}
/*! \fn _omc_vector* _omc_addVector(_omc_vector* dest, _omc_vector* src)
*
* addition of two vectors to the first one
*
* \param [ref] [dest] !TODO: DESCRIBE ME!
* \param [ref] [src] !TODO: DESCRIBE ME!
*/
_omc_vector* _omc_addVector(_omc_vector* dest, const _omc_vector* src)
{
_omc_size i;
assertStreamPrint(NULL, dest->size == src->size,
"Vectors have not the same size %d != %d", (int)dest->size, (int)src->size);
assertStreamPrint(NULL, NULL != dest->data, "vector1 data is NULL pointer");
assertStreamPrint(NULL, NULL != src->data, "vector2 data is NULL pointer");
for (i = 0; i < dest->size; ++i) {
dest->data[i] += src->data[i];
}
return dest;
}
/*! \fn _omc_vector* _omc_subVector(_omc_vector* dest, const _omc_vector* src)
*
* subtraction of two vectors to the first one
*
* \param [ref] [dest] !TODO: DESCRIBE ME!
* \param [ref] [src] !TODO: DESCRIBE ME!
*/
_omc_vector* _omc_subVector(_omc_vector* dest, const _omc_vector* src)
{
_omc_size i;
assertStreamPrint(NULL, src->size == dest->size, "Vectors have not the same size %d != %d", (int)src->size, (int)dest->size);
assertStreamPrint(NULL, NULL != dest->data, "vector1 data is NULL pointer");
assertStreamPrint(NULL, NULL != src->data, "vector2 data is NULL pointer");
for (i = 0; i < dest->size; ++i)
{
dest->data[i] -= src->data[i];
}
return dest;
}
/*! \fn _omc_vector* _omc_addVectorVector(_omc_vector dest, const _omc_vector* vec1, const _omc_vector* vec2)
*
* addition of two vectors in a third one
*
* \param [ref] [dest] !TODO: DESCRIBE ME!
* \param [ref] [vec1] !TODO: DESCRIBE ME!
* \param [ref] [vec2] !TODO: DESCRIBE ME!
*/
_omc_vector* _omc_addVectorVector(_omc_vector* dest, const _omc_vector* vec1, const _omc_vector* vec2)
{
_omc_size i;
assertStreamPrint(NULL, vec1->size == vec2->size && dest->size == vec1->size,
"Vectors have not the same size %d != %d != %d", (int)dest->size, (int)vec1->size, (int)vec2->size);
assertStreamPrint(NULL, NULL != vec1->data, "vector1 data is NULL pointer");
assertStreamPrint(NULL, NULL != vec2->data, "vector2 data is NULL pointer");
assertStreamPrint(NULL, NULL != dest->data, "destination data is NULL pointer");
for (i = 0; i < vec1->size; ++i) {
dest->data[i] = vec1->data[i] + vec2->data[i];
}
return dest;
}
/*! \fn _omc_vector* _omc_subVectorVector(_omc_vector* dest, const _omc_vector* vec1, const _omc_vector* vec2)
*
* subtraction of vec2 from vec1 in a third one
*
* \param [ref] [dest] !TODO: DESCRIBE ME!
* \param [ref] [vec1] !TODO: DESCRIBE ME!
* \param [ref] [vec2] !TODO: DESCRIBE ME!
*/
_omc_vector* _omc_subVectorVector(_omc_vector* dest, const _omc_vector* vec1, const _omc_vector* vec2)
{
_omc_size i;
assertStreamPrint(NULL, vec1->size == vec2->size && dest->size == vec1->size,
"Vectors have not the same size %d != %d", (int)vec1->size, (int)vec2->size);
assertStreamPrint(NULL, NULL != vec1->data, "vector1 data is NULL pointer");
assertStreamPrint(NULL, NULL != vec2->data, "vector2 data is NULL pointer");
assertStreamPrint(NULL, NULL != dest->data, "destination data is NULL pointer");
for (i = 0; i < vec1->size; ++i)
{
dest->data[i] = vec1->data[i] - vec2->data[i];
}
return dest;
}
/*! \fn _omc_scalar _omc_scalarProduct(_omc_vector* vec1, _omc_vector* vec2)
*
* _omc_vector multiplication of two vectors
*
* \param [ref] [vec1] !TODO: DESCRIBE ME!
* \param [ref] [vec2] !TODO: DESCRIBE ME!
*/
_omc_scalar _omc_scalarProduct(const _omc_vector* vec1, const _omc_vector* vec2)
{
_omc_size i;
_omc_size m = vec1->size, n = vec2->size;
_omc_scalar result = 0;
assertStreamPrint(NULL, m == n, "Vectors size doesn't match to multiply %d != %d ", (int)m, (int)n);
assertStreamPrint(NULL, NULL != vec1->data, "vector1 data is NULL pointer");
assertStreamPrint(NULL, NULL != vec2->data, "vector2 data is NULL pointer");
for (i = 0; i < n; ++i)
{
result += vec1->data[i] * vec2->data[i];
}
return result;
}
/*! \fn _omc_scalar _omc_sumVector(_omc_vector* vec)
*
* calculates the sum of all elements of the vector
*
* \param [ref] [_omc_vector] !TODO: DESCRIBE ME!
*/
_omc_scalar _omc_sumVector(const _omc_vector* vec) {
_omc_size i;
_omc_scalar sum = 0;
assertStreamPrint(NULL, NULL != vec->data, "vector data is NULL pointer");
for (i = 0; i < vec->size; ++i)
{
sum += vec->data[i];
}
return sum;
}
/*! \fn _omc_matrix* _omc_fillMatrix(_omc_matrix* mat, _omc_scalar s)
*
* fill all elements of _omc_matrix by s
*
* \param [ref] [mat] !TODO: DESCRIBE ME!
* \param [in] [s] !TODO: DESCRIBE ME!
*/
_omc_matrix* _omc_fillMatrix(_omc_matrix* mat, _omc_scalar s) {
_omc_size i;
_omc_size size = mat->rows * mat->cols;
assertStreamPrint(NULL, NULL != mat->data, "_omc_matrix data is NULL pointer");
for (i = 0; i < size; ++i) {
mat->data[i] = s;
}
return mat;
}
/*! \fn _omc_matrix* _omc_fillIndentityMatrix(_omc_matrix* mat)
*
* fill identity _omc_matrix
*
* \param [ref] [mat] !TODO: DESCRIBE ME!
*/
_omc_matrix* _omc_fillIndentityMatrix(_omc_matrix* mat)
{
_omc_size i, min;
assertStreamPrint(NULL, NULL != mat->data, "_omc_matrix data is NULL pointer");
mat = _omc_fillMatrix(mat, 0);
min = mat->rows <= mat->cols ? mat->rows : mat->cols;
for (i = 0; i < min; ++i)
{
_omc_setMatrixElement(mat, i, i, 1.0);
}
return mat;
}
/*! \fn _omc_matrix* _omc_negateMatrix(_omc_matrix* mat)
*
* negate all elements of _omc_matrix
*
* \param [ref] [mat] !TODO: DESCRIBE ME!
*/
_omc_matrix* _omc_negateMatrix(_omc_matrix* mat)
{
_omc_size i, size = mat->rows * mat->cols;
assertStreamPrint(NULL, NULL != mat->data, "_omc_matrix data is NULL pointer");
for (i = 0; i < size; ++i) {
mat->data[i] = -mat->data[i];
}
return mat;
}
/*! \fn _omc_matrix* _omc_multiplyScalarMatrix(_omc_matrix* mat, _omc_scalar s)
*
* multiply all elements of _omc_matrix by s
*
* \param [ref] [mat] !TODO: DESCRIBE ME!
* \param [in] [s] !TODO: DESCRIBE ME!
*/
_omc_matrix* _omc_multiplyScalarMatrix(_omc_matrix* mat, _omc_scalar s)
{
_omc_size i, size = mat->rows * mat->cols;
assertStreamPrint(NULL, NULL != mat->data, "_omc_matrix data is NULL pointer");
for (i = 0; i < size; ++i)
{
mat->data[i] *= s;
}
return mat;
}
/*! \fn _omc_matrix* _omc_addMatrixMatrix(_omc_matrix* mat1, _omc_matrix* mat2)
*
* addition of two matrixs to the first one
*
* \param [ref] [mat1] !TODO: DESCRIBE ME!
* \param [ref] [mat2] !TODO: DESCRIBE ME!
*/
_omc_matrix* _omc_addMatrixMatrix(_omc_matrix* mat1, _omc_matrix* mat2)
{
_omc_size i, j;
assertStreamPrint(NULL, mat1->rows == mat2->rows && mat1->cols == mat2->cols,
"matrixes have not the same size ((%d,%d)!=(%d,%d))",
(int)mat1->rows, (int)mat1->cols, (int)mat2->rows, (int)mat2->cols);
assertStreamPrint(NULL, NULL != mat1->data, "matrix1 data is NULL pointer");
assertStreamPrint(NULL, NULL != mat2->data, "matrix2 data is NULL pointer");
for (i = 0; i < mat1->rows; ++i) {
for (j = 0; j < mat1->cols; ++j) {
_omc_setMatrixElement(mat1, i, j,
_omc_getMatrixElement(mat1, i, j)
+ _omc_getMatrixElement(mat2, i, j));
}
}
return mat1;
}
/*! \fn _omc_matrix* _omc_subtractMatrixMatrix(_omc_matrix* mat1, _omc_matrix* mat2)
*
* subtraction of two matrixs to the first one
*
* \param [ref] [mat1] !TODO: DESCRIBE ME!
* \param [ref] [mat2] !TODO: DESCRIBE ME!
*/
_omc_matrix* _omc_subtractMatrixMatrix(_omc_matrix* mat1, _omc_matrix* mat2)
{
_omc_size i, j;
assertStreamPrint(NULL, mat1->rows == mat2->rows && mat1->cols == mat2->cols,
"matrixes have not the same size ((%d,%d)!=(%d,%d))",
(int)mat1->rows, (int)mat1->cols, (int)mat2->rows, (int)mat2->cols);
assertStreamPrint(NULL, NULL != mat1->data, "matrix1 data is NULL pointer");
assertStreamPrint(NULL, NULL != mat2->data, "matrix2 data is NULL pointer");
for (i = 0; i < mat1->rows; ++i) {
for (j = 0; j < mat1->cols; ++j) {
_omc_setMatrixElement(mat1, i, j,
_omc_getMatrixElement(mat1, i, j)
- _omc_getMatrixElement(mat2, i, j));
}
}
return mat1;
}
/*! \fn _omc_scalar* _omc_multiplyMatrixMatrix(_omc_matrix* mat1, _omc_matrix* mat2)
*
* _omc_matrix multiplication of two matrixes into matrix one
*
* \param [ref] [mat1] !TODO: DESCRIBE ME!
* \param [ref] [mat2] !TODO: DESCRIBE ME!
*/
_omc_matrix* _omc_multiplyMatrixMatrix(_omc_matrix* mat1, _omc_matrix* mat2)
{
_omc_size i, j, k;
_omc_size l = mat1->rows, m = mat1->cols, n = mat2->cols;
assertStreamPrint(NULL, mat1->cols == mat2->rows,
"matrixes size doesn't match to multiply"
"(%d!=%d)", (int)mat1->cols, (int)mat2->rows);
assertStreamPrint(NULL, NULL != mat1->data, "matrix1 data is NULL pointer");
assertStreamPrint(NULL, NULL != mat2->data, "matrix2 data is NULL pointer");
for (i = 0; i < l; ++i) {
for (j = 0; j < n; ++j) {
for (k = 0; j < m; ++k) {
_omc_setMatrixElement(mat1, i, j,
_omc_getMatrixElement(mat1, i, k)
* _omc_getMatrixElement(mat2, k, j));
}
}
}
return mat1;
}
/*! \fn void _omc_printVector(_omc_vector* vec, char* name, int logLevel)
*
* outputs the _omc_vector
*
* \param [in] [vec] !TODO: DESCRIBE ME!
* \param [in] [name] !TODO: DESCRIBE ME!
* \param [in] [logLevel] !TODO: DESCRIBE ME!
*/
void _omc_printVector(_omc_vector* vec, const char* name, const int logLevel)
{
_omc_size i;
if (!ACTIVE_STREAM(logLevel))
return;
assertStreamPrint(NULL, NULL != vec->data, "Vector data is NULL pointer");
infoStreamPrint(logLevel, 1, "%s", name);
for (i = 0; i < vec->size; ++i)
{
infoStreamPrint(logLevel, 0, "[%2d] %20.12g", (int)i, vec->data[i]);
}
messageClose(logLevel);
}
/*! \fn void _omc_printMatrix(_omc_matrix* mat, char* name, int logLevel)
*
* outputs the _omc_matrix
*
* \param [in] [mat] !TODO: DESCRIBE ME!
* \param [in] [name] !TODO: DESCRIBE ME!
* \param [in] [logLevel] !TODO: DESCRIBE ME!
*/
void _omc_printMatrix(_omc_matrix* mat, const char* name, const int logLevel) {
if (ACTIVE_STREAM(logLevel))
{
_omc_size i, j;
char *buffer = (char*)malloc(sizeof(char)*mat->cols*20);
assertStreamPrint(NULL, NULL != mat->data, "matrix data is NULL pointer");
infoStreamPrint(logLevel, 1, "%s", name);
for (i = 0; i < mat->rows; ++i)
{
buffer[0] = 0;
for (j = 0; j < mat->cols; ++j)
{
sprintf(buffer, "%s%10g ", buffer, _omc_getMatrixElement(mat, i, j));
}
infoStreamPrint(logLevel, 0, "%s", buffer);
}
messageClose(logLevel);
free(buffer);
}
}
/*! \fn _omc_scalar _omc_euclideanVectorNorm(_omc_vector* vec)
*
* calculates the euclidean vector norm
*
* \param [in] [vec] !TODO: DESCRIBE ME!
*/
_omc_scalar _omc_euclideanVectorNorm(const _omc_vector* vec)
{
_omc_size i;
_omc_scalar result = 0;
assertStreamPrint(NULL, vec->size > 0, "Vector size is greater the zero");
assertStreamPrint(NULL, NULL != vec->data, "Vector data is NULL pointer");
for (i = 0; i < vec->size; ++i) {
result += pow(fabs(vec->data[i]),2.0);
}
return sqrt(result);
}
/*! \fn _omc_scalar _omc_maximumVectorNorm(_omc_vector* vec)
*
* calculates the maximum vector norm
*
* \param [ref] [vec] !TODO: DESCRIBE ME!
*/
_omc_scalar _omc_maximumVectorNorm(const _omc_vector* vec)
{
_omc_size i;
_omc_scalar result, tmp;
assertStreamPrint(NULL, vec->size > 0, "Vector size is greater the zero");
assertStreamPrint(NULL, NULL != vec->data, "Vector data is NULL pointer");
result = fabs(vec->data[0]);
for (i = 1; i < vec->size; ++i)
{
tmp = fabs(vec->data[i]);
if (result > tmp)
{
result = tmp;
}
}
return result;
}