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/* vector/prop_source.c
*
* Copyright (C) 1996, 1997, 1998, 1999, 2000, 2007, 2010 Gerard Jungman, Brian Gough
*
* This program is free software; you can redistribute it and/or modify
* 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.
*/
int
FUNCTION (gsl_vector, equal) (const TYPE (gsl_vector) * u, const TYPE (gsl_vector) * v)
{
const size_t n = v->size;
const size_t stride_u = u->stride ;
const size_t stride_v = v->stride ;
size_t j;
if (u->size != v->size)
{
GSL_ERROR_VAL ("vectors must have same length", GSL_EBADLEN, 0);
}
for (j = 0; j < n; j++)
{
size_t k;
for (k = 0; k < MULTIPLICITY; k++)
{
if (u->data[MULTIPLICITY * stride_u * j + k] != v->data[MULTIPLICITY * stride_v * j + k])
{
return 0;
}
}
}
return 1;
}
int
FUNCTION (gsl_vector, isnull) (const TYPE (gsl_vector) * v)
{
const size_t n = v->size;
const size_t stride = v->stride ;
size_t j;
for (j = 0; j < n; j++)
{
size_t k;
for (k = 0; k < MULTIPLICITY; k++)
{
if (v->data[MULTIPLICITY * stride * j + k] != 0.0)
{
return 0;
}
}
}
return 1;
}
int
FUNCTION (gsl_vector, ispos) (const TYPE (gsl_vector) * v)
{
const size_t n = v->size;
const size_t stride = v->stride ;
size_t j;
for (j = 0; j < n; j++)
{
size_t k;
for (k = 0; k < MULTIPLICITY; k++)
{
if (v->data[MULTIPLICITY * stride * j + k] <= 0.0)
{
return 0;
}
}
}
return 1;
}
int
FUNCTION (gsl_vector, isneg) (const TYPE (gsl_vector) * v)
{
const size_t n = v->size;
const size_t stride = v->stride ;
size_t j;
for (j = 0; j < n; j++)
{
size_t k;
for (k = 0; k < MULTIPLICITY; k++)
{
if (v->data[MULTIPLICITY * stride * j + k] >= 0.0)
{
return 0;
}
}
}
return 1;
}
int
FUNCTION (gsl_vector, isnonneg) (const TYPE (gsl_vector) * v)
{
const size_t n = v->size;
const size_t stride = v->stride ;
size_t j;
for (j = 0; j < n; j++)
{
size_t k;
for (k = 0; k < MULTIPLICITY; k++)
{
if (v->data[MULTIPLICITY * stride * j + k] < 0.0)
{
return 0;
}
}
}
return 1;
}
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