* 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);
}
