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Pyomo: Collect variable bounds, obj_coeff, value, type

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This commit is contained in:
Alinson S. Xavier
2021-04-11 16:21:31 -05:00
parent 6b15337e4c
commit 3cfadf4e97
6 changed files with 164 additions and 69 deletions
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86
miplearn/solvers/tests/__init__.py
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@@ -117,6 +117,12 @@ def run_basic_usage_tests(solver: InternalSolver) -> None:
type="B",
upper_bound=1.0,
),
"z": Variable(
lower_bound=0.0,
obj_coeff=0.0,
type="C",
upper_bound=67.0,
),
},
),
)
@@ -127,9 +133,9 @@ def run_basic_usage_tests(solver: InternalSolver) -> None:
{
"eq_capacity": Constraint(
lazy=False,
lhs={"x[0]": 23.0, "x[1]": 26.0, "x[2]": 20.0, "x[3]": 18.0},
rhs=67.0,
sense="<",
lhs={"x[0]": 23.0, "x[1]": 26.0, "x[2]": 20.0, "x[3]": 18.0, "z": -1.0},
rhs=0.0,
sense="=",
)
},
)
@@ -161,7 +167,7 @@ def run_basic_usage_tests(solver: InternalSolver) -> None:
sa_obj_up=inf,
sa_ub_down=0.913043,
sa_ub_up=2.043478,
type="C",
type="B",
upper_bound=1.0,
value=1.0,
),
@@ -176,7 +182,7 @@ def run_basic_usage_tests(solver: InternalSolver) -> None:
sa_obj_up=570.869565,
sa_ub_down=0.923077,
sa_ub_up=inf,
type="C",
type="B",
upper_bound=1.0,
value=0.923077,
),
@@ -191,7 +197,7 @@ def run_basic_usage_tests(solver: InternalSolver) -> None:
sa_obj_up=inf,
sa_ub_down=0.9,
sa_ub_up=2.2,
type="C",
type="B",
upper_bound=1.0,
value=1.0,
),
@@ -206,10 +212,25 @@ def run_basic_usage_tests(solver: InternalSolver) -> None:
sa_obj_up=243.692308,
sa_ub_down=0.0,
sa_ub_up=inf,
type="C",
type="B",
upper_bound=1.0,
value=0.0,
),
"z": Variable(
basis_status="U",
lower_bound=0.0,
obj_coeff=0.0,
reduced_cost=13.538462,
sa_lb_down=-inf,
sa_lb_up=67.0,
sa_obj_down=-13.538462,
sa_obj_up=inf,
sa_ub_down=43.0,
sa_ub_up=69.0,
type="C",
upper_bound=67.0,
value=67.0,
),
},
),
)
@@ -221,15 +242,21 @@ def run_basic_usage_tests(solver: InternalSolver) -> None:
solver,
{
"eq_capacity": Constraint(
lazy=False,
lhs={"x[0]": 23.0, "x[1]": 26.0, "x[2]": 20.0, "x[3]": 18.0},
rhs=67.0,
sense="<",
slack=0.0,
dual_value=13.538462,
sa_rhs_down=43.0,
sa_rhs_up=69.0,
basis_status="N",
dual_value=13.538462,
lazy=False,
lhs={
"x[0]": 23.0,
"x[1]": 26.0,
"x[2]": 20.0,
"x[3]": 18.0,
"z": -1.0,
},
rhs=0.0,
sa_rhs_down=-24.0,
sa_rhs_up=1.9999999999999987,
sense="=",
slack=0.0,
)
},
),
@@ -238,9 +265,6 @@ def run_basic_usage_tests(solver: InternalSolver) -> None:
# Solve MIP
mip_stats = solver.solve(
tee=True,
iteration_cb=None,
lazy_cb=None,
user_cut_cb=None,
)
assert not solver.is_infeasible()
assert mip_stats.mip_log is not None
@@ -289,6 +313,13 @@ def run_basic_usage_tests(solver: InternalSolver) -> None:
upper_bound=1.0,
value=1.0,
),
"z": Variable(
lower_bound=0.0,
obj_coeff=0.0,
type="C",
upper_bound=67.0,
value=61.0,
),
},
),
)
@@ -298,11 +329,12 @@ def run_basic_usage_tests(solver: InternalSolver) -> None:
_round_constraints(solver.get_constraints()),
{
"eq_capacity": Constraint(
lhs={"x[0]": 23.0, "x[1]": 26.0, "x[2]": 20.0, "x[3]": 18.0},
rhs=67.0,
sense="<",
slack=6.0,
),
lazy=False,
lhs={"x[0]": 23.0, "x[1]": 26.0, "x[2]": 20.0, "x[3]": 18.0, "z": -1.0},
rhs=0.0,
sense="=",
slack=0.0,
)
},
)
@@ -317,11 +349,13 @@ def run_basic_usage_tests(solver: InternalSolver) -> None:
_round_constraints(solver.get_constraints()),
{
"eq_capacity": Constraint(
lhs={"x[0]": 23.0, "x[1]": 26.0, "x[2]": 20.0, "x[3]": 18.0},
rhs=67.0,
sense="<",
lazy=False,
lhs={"x[0]": 23.0, "x[1]": 26.0, "x[2]": 20.0, "x[3]": 18.0, "z": -1.0},
rhs=0.0,
sense="=",
),
"cut": Constraint(
lazy=False,
lhs={"x[0]": 1.0},
rhs=0.0,
sense="<",