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<h1>get_objective</h1>
<p>Returns the value of the objective function.</p>
<p><b>REAL get_objective(lprec </b>*<i>lp</i><b>);</b></p>
<p class="label"><b>Return Value</b></p>
<p><b>get_objective</b> returns the value of the objective.<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>The <b>get_objective</b> function returns the value of the objective of the last
solve.<br>
This value is only valid after a successful <A href="solve.htm">solve</A> or <A href="lag_solve.htm">
lag_solve</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 obj;
/* Create a new LP model */
lp = make_lp(0, 0);
if(lp == NULL) {
fprintf(stderr, "Unable to create new LP model\n");
return(1);
}
solve(lp);
obj = get_objective(lp);
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="is_feasible.htm">is_feasible</a>, <a href="get_variables.htm">get_variables, get_ptr_variables</a>,
<A HREF="get_working_objective.htm">get_working_objective</A>, <a href="get_constraints.htm">get_constraints, get_ptr_constraints</a>, <a href="get_constr_value.htm">get_constr_value</a>, <a href="get_primal_solution.htm">
get_primal_solution, get_ptr_primal_solution, get_var_primalresult</a>,
<a href="get_sensitivity_rhs.htm">
get_sensitivity_rhs, get_ptr_sensitivity_rhs, get_dual_solution, get_ptr_dual_solution, get_var_dualresult</a>, <a href="get_sensitivity_obj.htm">
get_sensitivity_obj, get_ptr_sensitivity_obj, get_sensitivity_objex, get_ptr_sensitivity_objex</a>
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