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<h1>get_Lrows</h1>
<p>Returns the number of Lagrangian rows in the lp.</p>
<p><b>The Lagrangian solver does not work. Do not use this call.</b></p>
<p><b>int get_Lrows(lprec </b>*<i>lp</i><b>);</b></p>
<p class="label"><b>Return Value</b></p>
<p><b>get_Lrows</b> returns the number of Lagrangian rows in the lp.<br>
</p>
<p class="label"><b>Parameters</b></p>
<p class="dt"><i>lp</i></p>
<p class="indent">Pointer to previously created lp model. See return value of <A href="make_lp.htm">
make_lp</A>, <A HREF="copy_lp.htm">copy_lp</A>, <A href="read_lp.htm">read_lp,
read_LP</A>, <A href="read_mps.htm">read_mps, read_freemps, read_MPS, read_freeMPS</A>, <A HREF="read_XLI.htm">read_XLI</A></p>
<p class="label"><b>Remarks</b></p>
<p><b>The Lagrangian solver does not work. Do not use this call.</b></p>
<p>The <b>get_Lrows</b> function returns the number of Lagrangian rows in the lp.<br>
A Lagrangian row is added via <A HREF="add_lag_con.htm">add_lag_con</A>.
</p>
<p class="label"><b>Example</b></p>
<pre><code>#include <stdio.h>
#include <stdlib.h>
#include "lp_lib.h"
int main(void)
{
lprec *lp;
REAL row[1+2];
int Lrows;
/* Create a new LP model */
lp = make_lp(0, 2);
if(lp == NULL) {
fprintf(stderr, "Unable to create new LP model\n");
return(1);
}
row[1] = 1.0;
row[2] = 1.0;
add_lag_con(lp, row, LE, 1.0);
Lrows = get_Lrows(lp); /* Will return 1 */
delete_lp(lp);
return(0);
}
</code></pre>
<p>
<A HREF="lp_solveAPIreference.htm">lp_solve API reference</A></p>
<p>
<b>See Also</b> <A HREF="make_lp.htm">make_lp</A>, <A HREF="copy_lp.htm">copy_lp</A>,
<A href="read_lp.htm">read_lp, read_LP</A>, <A HREF="read_mps.htm">read_mps,
read_freemps, read_MPS, read_freeMPS</A>, <A HREF="read_XLI.htm">read_XLI</A>, <A href="get_Nrows.htm">get_Nrows</A>, <A href="get_Norig_rows.htm">get_Norig_rows</A>, <A HREF="get_Ncolumns.htm">
get_Ncolumns</A>, <A href="get_Norig_columns.htm">get_Norig_columns</A>, <A href="get_orig_index.htm">get_orig_index</A>, <A href="get_lp_index.htm">get_lp_index</A>, <A HREF="add_lag_con.htm">add_lag_con</A>, <A HREF="lag_solve.htm">
lag_solve</A></p>
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