def should_initialize_and_reconstuct():
with open('simplexTests/dict1') as inp, open('simplexTests/dict1.initialized') as out:
dictionary, basic_vars, non_basic_vars = initialize_and_reconstruct(*pivot.make_dictionary(inp))
expected_dict, expected_basic, expected_non_basic = pivot.make_dictionary(out)
assert set(basic_vars) == set(expected_basic)
assert set(non_basic_vars) == set(expected_non_basic)
assert all(abs(dictionary[:, 0] - expected_dict[:, 0]) < 0.0001)
print(dictionary, non_basic_vars)
print(expected_dict, expected_non_basic)
for v in non_basic_vars:
col = dictionary[:, np.r_[False, non_basic_vars == v]]
expected_col = expected_dict[:, np.r_[False, expected_non_basic == v]]
for bv in basic_vars:
print (col[bv == basic_vars], expected_col[bv == expected_basic])
assert all(abs(col[bv == basic_vars] - expected_col[bv == expected_basic]) < 0.0001)
assert all(abs(col[len(basic_vars)] - expected_col[len(basic_vars)]) < 0.0001)
def should_initialize_and_reconstuct():
with open('simplexTests/dict1') as inp, open('simplexTests/dict1.initialized') as out:
dictionary, basic_vars, non_basic_vars = initialize_and_reconstruct(*pivot.make_dictionary(inp))
expected_dict, expected_basic, expected_non_basic = pivot.make_dictionary(out)
assert set(basic_vars) == set(expected_basic)
assert set(non_basic_vars) == set(expected_non_basic)
assert all(abs(dictionary[:, 0] - expected_dict[:, 0]) < 0.0001)
print(dictionary, non_basic_vars)
print(expected_dict, expected_non_basic)
for v in non_basic_vars:
col = dictionary[:, np.r_[False, non_basic_vars == v]]
expected_col = expected_dict[:, np.r_[False, expected_non_basic == v]]
for bv in basic_vars:
print (col[bv == basic_vars], expected_col[bv == expected_basic])
assert all(abs(col[bv == basic_vars] - expected_col[bv == expected_basic]) < 0.0001)
assert all(abs(col[len(basic_vars)] - expected_col[len(basic_vars)]) < 0.0001)
def optimize_input(file_path):
return optimize(*pivot.make_dictionary(file_path))
def simplex_input(file_path):
return simplex_optimal_values(*make_dictionary(file_path))
def simplex_input(file_path):
return simplex_optimal_values(*make_dictionary(file_path))
def solve_ilp_input(file_path):
return solve_ilp(*make_dictionary(file_path))
def solve_ilp_input_and_print(file_path):
dictionary, basic_vars, non_basic_vars = make_dictionary(file_path)
print(collect_result(*solve_ilp(dictionary, basic_vars, non_basic_vars), original_non_basic = non_basic_vars))
def initialize_input(file_path):
dictionary, basic_vars, non_basic_vars = pivot.make_dictionary(file_path)
return initialize(dictionary, basic_vars, non_basic_vars)
def optimize_input(file_path):
return optimize(*pivot.make_dictionary(file_path))