* it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or (at * your option) any later version. * * This program 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 * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ QUALIFIED_VIEW(_gsl_vector, view) FUNCTION(gsl_vector, subvector) (QUALIFIED_TYPE(gsl_vector) * v, size_t offset, size_t n) { QUALIFIED_VIEW(_gsl_vector,view) view = NULL_VECTOR_VIEW; if (n == 0) { GSL_ERROR_VAL ("vector length n must be positive integer", GSL_EINVAL, view); } if (offset + (n - 1) >= v->size) { GSL_ERROR_VAL ("view would extend past end of vector", GSL_EINVAL, view); }
TYPE(gsl_matrix) m = NULL_MATRIX; m.data = (ATOMIC *)base; m.size1 = n1; m.size2 = n2; m.tda = tda; m.block = 0; m.owner = 0; view.matrix = m; return view; } } QUALIFIED_VIEW (_gsl_matrix,view) FUNCTION(gsl_matrix, view_vector) (QUALIFIED_TYPE(gsl_vector) * v, const size_t n1, const size_t n2) { QUALIFIED_VIEW (_gsl_matrix,view) view = NULL_MATRIX_VIEW; if (v->stride != 1) { GSL_ERROR_VAL ("vector must have unit stride", GSL_EINVAL, view); } else if (n1 * n2 > v->size) { GSL_ERROR_VAL ("matrix size exceeds size of original", GSL_EINVAL, view); }