-/* xbt_matrix_t management functions */
-
-/* Copyright (c) 2006, 2007, 2008, 2009, 2010. The SimGrid Team.
+/* Copyright (c) 2006-2014. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(xbt_matrix, xbt, "2D data storage");
-/** \brief constructor */
-xbt_matrix_t xbt_matrix_new(int lines, int rows,
- const unsigned long elmsize,
- void_f_pvoid_t const free_f)
+/** @brief constructor */
+xbt_matrix_t xbt_matrix_new(int lines, int rows, const unsigned long elmsize, void_f_pvoid_t const free_f)
{
xbt_matrix_t res = xbt_new(s_xbt_matrix_t, 1);
res->lines = lines;
return res;
}
-/** \brief Creates a matrix being a submatrix of another one */
-xbt_matrix_t xbt_matrix_new_sub(xbt_matrix_t from,
- int lsize, int rsize,
- int lpos, int rpos,
+/** @brief Creates a matrix being a submatrix of another one */
+xbt_matrix_t xbt_matrix_new_sub(xbt_matrix_t from, int lsize, int rsize, int lpos, int rpos,
pvoid_f_pvoid_t const cpy_f)
{
-
- xbt_matrix_t res = xbt_matrix_new(lsize, rsize,
- from->elmsize, from->free_f);
+ xbt_matrix_t res = xbt_matrix_new(lsize, rsize, from->elmsize, from->free_f);
xbt_matrix_copy_values(res, from, lsize, rsize, 0, 0, lpos, rpos, cpy_f);
return res;
}
-/** \brief destructor */
+/** @brief destructor */
void xbt_matrix_free(xbt_matrix_t mat)
{
- unsigned int i;
if (mat) {
if (mat->free_f) {
- for (i = 0; i < (mat->lines * mat->rows); i++) {
+ for (unsigned i = 0; i < (mat->lines * mat->rows); i++) {
mat->free_f((void *) &(mat->data[i * mat->elmsize]));
}
}
}
}
-/** \brief Freeing function for containers of xbt_matrix_t */
-void xbt_matrix_free_voidp(void *d)
-{
- xbt_matrix_free((xbt_matrix_t) * (void **) d);
-}
-
-
-/** \brief Display the content of a matrix (debugging purpose)
- * \param coords: boolean indicating whether we should add the coords of each cell to the output*/
-void xbt_matrix_dump(xbt_matrix_t matrix, const char *name, int coords,
- void_f_pvoid_t display_fun)
+/** @brief Display the content of a matrix (debugging purpose)
+ * @param coords: boolean indicating whether we should add the coords of each cell to the output*/
+void xbt_matrix_dump(xbt_matrix_t matrix, const char *name, int coords, void_f_pvoid_t display_fun)
{
- unsigned int i, j;
-
- fprintf(stderr, ">>> Matrix %s dump (%u x %u)\n", name, matrix->lines,
- matrix->rows);
- for (i = 0; i < matrix->lines; i++) {
+ fprintf(stderr, ">>> Matrix %s dump (%u x %u)\n", name, matrix->lines, matrix->rows);
+ for (unsigned i = 0; i < matrix->lines; i++) {
fprintf(stderr, " ");
- for (j = 0; j < matrix->rows; j++) {
+ for (unsigned j = 0; j < matrix->rows; j++) {
if (coords)
fprintf(stderr, " (%u,%u)=", i, j);
else
fprintf(stderr, "<<< end_of_matrix %s dump\n", name);
}
-void xbt_matrix_dump_display_double(void *d)
-{
- fprintf(stderr, "%.2f", *(double *) d);
-}
-
-/** \brief Copy the values from the matrix src into the matrix dst
- * \param dest: destination
- * \param src: source
- * \param lsize: number of lines to copy
- * \param rsize: number of rows to copy
- * \param lpos_dst: line offset on destination matrix
- * \param rpos_dst: row offset on destination matrix
- * \param lpos_src: line offset on destination matrix
- * \param rpos_src: row offset on destination matrix
+/** @brief Copy the values from the matrix src into the matrix dst
+ * @param dst: destination
+ * @param src: source
+ * @param lsize: number of lines to copy
+ * @param rsize: number of rows to copy
+ * @param lpos_dst: line offset on destination matrix
+ * @param rpos_dst: row offset on destination matrix
+ * @param lpos_src: line offset on destination matrix
+ * @param rpos_src: row offset on destination matrix
+ * @param cpy_f: the function to use to copy the elements over
*/
-void xbt_matrix_copy_values(xbt_matrix_t dst, xbt_matrix_t src,
- unsigned int lsize, unsigned int rsize,
- unsigned int lpos_dst, unsigned int rpos_dst,
- unsigned int lpos_src, unsigned int rpos_src,
+void xbt_matrix_copy_values(xbt_matrix_t dst, xbt_matrix_t src, unsigned int lsize, unsigned int rsize,
+ unsigned int lpos_dst, unsigned int rpos_dst,unsigned int lpos_src, unsigned int rpos_src,
pvoid_f_pvoid_t const cpy_f)
{
- unsigned int i, j;
+ XBT_DEBUG ("Copy a %ux%u submatrix from %ux%u(of %ux%u) to %ux%u (of %ux%u)",
+ lsize, rsize, lpos_src, rpos_src, src->lines, src->rows, lpos_dst, rpos_dst, dst->lines, dst->rows);
- XBT_DEBUG
- ("Copy a %ux%u submatrix from %ux%u(of %ux%u) to %ux%u (of %ux%u)",
- lsize, rsize, lpos_src, rpos_src, src->lines, src->rows, lpos_dst,
- rpos_dst, dst->lines, dst->rows);
-
- /* everybody knows that issue is between the chair and the screen (particulary in my office) */
+ /* everybody knows that issue is between the chair and the screen (particularly in my office) */
xbt_assert(src->elmsize == dst->elmsize);
/* don't check free_f since the user may play weird games with this */
xbt_assert(rpos_dst + rsize <= dst->rows);
/* Lets get serious here */
- for (i = 0; i < rsize; i++) {
+ for (unsigned i = 0; i < rsize; i++) {
if (cpy_f) {
- for (j = 0; j < lsize; j++)
+ for (unsigned j = 0; j < lsize; j++)
xbt_matrix_get_as(dst, j + lpos_dst, i + rpos_dst, void *) =
cpy_f(xbt_matrix_get_ptr(src, j + rpos_src, i + lpos_src));
} else {
- memcpy(xbt_matrix_get_ptr(dst, lpos_dst, i + rpos_dst),
- xbt_matrix_get_ptr(src, lpos_src, i + rpos_src),
+ memcpy(xbt_matrix_get_ptr(dst, lpos_dst, i + rpos_dst), xbt_matrix_get_ptr(src, lpos_src, i + rpos_src),
dst->elmsize * lsize);
}
}
-
}
-/** \brief Creates a new matrix of double filled with zeros */
+/** @brief Creates a new matrix of double filled with zeros */
xbt_matrix_t xbt_matrix_double_new_zeros(int lines, int rows)
{
xbt_matrix_t res = xbt_matrix_new(lines, rows, sizeof(double), NULL);
return res;
}
-/** \brief Creates a new matrix of double being the identity matrix */
+/** @brief Creates a new matrix of double being the identity matrix */
xbt_matrix_t xbt_matrix_double_new_id(int lines, int rows)
{
xbt_matrix_t res = xbt_matrix_double_new_zeros(lines, rows);
- int i;
- for (i = 0; i < lines; i++)
+ for (int i = 0; i < lines; i++)
xbt_matrix_get_as(res, i, i, double) = 1;
return res;
}
-/** \brief Creates a new matrix of double randomly filled */
-xbt_matrix_t xbt_matrix_double_new_rand(int lines, int rows)
-{
- xbt_matrix_t res = xbt_matrix_new(lines, rows, sizeof(double), NULL);
- int i, j;
-
- for (i = 0; i < lines; i++)
- for (j = 0; j < rows; j++)
- xbt_matrix_get_as(res, i, j, double) = (double) rand();
- return res;
-}
-
-/** \brief Creates a new matrix of double containing the sequence of numbers in order */
+/** @brief Creates a new matrix of double containing the sequence of numbers in order */
xbt_matrix_t xbt_matrix_double_new_seq(int lines, int rows)
{
xbt_matrix_t res = xbt_matrix_new(lines, rows, sizeof(double), NULL);
- int i;
- for (i = 0; i < lines * rows; i++)
+ for (int i = 0; i < lines * rows; i++)
*(double *) &res->data[i * res->elmsize] = i;
return res;
}
-/** \brief Checks whether the matrix contains the sequence of numbers */
-int xbt_matrix_double_is_seq(xbt_matrix_t mat)
-{
- int i;
-
- for (i = 0; i < mat->lines * mat->rows; i++) {
- double val = xbt_matrix_get_as(mat, i, 0, double);
- if (val != i)
- return 0;
- }
-
- return 1;
-}
-
-/** \brief Creates a new matrix being the multiplication of two others */
-xbt_matrix_t xbt_matrix_double_new_mult(xbt_matrix_t A, xbt_matrix_t B)
+/** @brief add to C the result of A*B */
+void xbt_matrix_double_addmult(xbt_matrix_t A, xbt_matrix_t B, /*OUT*/ xbt_matrix_t C)
{
- xbt_matrix_t result = xbt_matrix_double_new_zeros(A->lines, B->rows);
-
- xbt_matrix_double_addmult(A, B, result);
- return result;
-}
-
-/** \brief add to C the result of A*B */
-void xbt_matrix_double_addmult(xbt_matrix_t A, xbt_matrix_t B,
- /*OUT*/ xbt_matrix_t C)
-{
- unsigned int i, j, k;
-
- xbt_assert(A->lines == C->lines,
- "A->lines != C->lines (%u vs %u)", A->lines, C->lines);
+ xbt_assert(A->lines == C->lines, "A->lines != C->lines (%u vs %u)", A->lines, C->lines);
xbt_assert(B->rows == C->rows);
- for (i = 0; i < C->lines; i++)
- for (j = 0; j < C->rows; j++)
- for (k = 0; k < B->lines; k++)
- xbt_matrix_get_as(C, i, j, double) +=
- xbt_matrix_get_as(A, i, k, double) * xbt_matrix_get_as(B, k, j,
- double);
+ for (unsigned i = 0; i < C->lines; i++)
+ for (unsigned j = 0; j < C->rows; j++)
+ for (unsigned k = 0; k < B->lines; k++)
+ xbt_matrix_get_as(C, i, j, double) += xbt_matrix_get_as(A, i, k, double) * xbt_matrix_get_as(B, k, j, double);
}
