def to_string(self):
oss = StringIO()
oss.write(" - number of variables: %d\n" % self.number_of_variables)
var_fmt = ' - binary={0}, integer={1}, continuous={2}'
if self._number_of_semicontinuous_variables:
var_fmt += ', semi-continuous={3}'
oss.write(
var_fmt.format(self.number_of_binary_variables,
self.number_of_integer_variables,
self.number_of_continuous_variables,
self._number_of_semicontinuous_variables))
oss.write('\n')
nb_constraints = self.number_of_constraints
oss.write(' - number of constraints: {0}\n'.format(nb_constraints))
if nb_constraints:
ct_fmt = ' - linear={0}'
if self._number_of_indicator_constraints:
ct_fmt += ', indicator={1}'
if self._number_of_equivalence_constraints:
ct_fmt += ', equiv={2}'
if self._number_of_quadratic_constraints:
ct_fmt += ', quadratic={3}'
oss.write(
ct_fmt.format(self.number_of_linear_constraints,
self.number_of_indicator_constraints,
self.number_of_equivalence_constraints,
self.number_of_quadratic_constraints))
return oss.getvalue()
def to_string(self):
oss = StringIO()
oss.write("status = {0}\n".format(self._solve_status))
oss.write("time = {0:g} s.\n".format(self._time))
oss.write("problem = {0}\n".format(self._problem_type))
if self._miprelgap >= 0:
oss.write("gap = {0:g}%\n".format(100.0 * self._miprelgap))
return oss.getvalue()
