+/** \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
+ */
+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);
+
+ /* everybody knows that issue is between the chair and the screen (particulary 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(lpos_src + lsize <= src->lines);
+ xbt_assert(rpos_src + rsize <= src->rows);
+
+ xbt_assert(lpos_dst + lsize <= dst->lines);
+ xbt_assert(rpos_dst + rsize <= dst->rows);
+
+ /* Lets get serious here */
+ for (i = 0; i < rsize; i++) {
+ if (cpy_f) {
+ for (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),
+ dst->elmsize * lsize);
+ }
+ }
+
+}
+
+/** \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);
+
+ memset(res->data, 0, res->elmsize * res->lines * res->rows);