let it go

Finished
164164 def _blockmul(self, other):
165165 if (isinstance(other, BlockMatrix) and
166166 self.colblocksizes == other.rowblocksizes):
167 return BlockMatrix(self.blocks*other.blocks)
167 result_blocks = self.blocks*other.blocks
168 # Convert scalar Zero objects back to ZeroMatrix with appropriate dimensions
169 from sympy.core.numbers import Zero
170 from sympy.matrices.immutable import ImmutableDenseMatrix
171
172 # Create a new blocks matrix with proper ZeroMatrix objects
173 new_blocks_data = []
174 for i in range(result_blocks.shape[0]):
175 row = []
176 for j in range(result_blocks.shape[1]):
177 block = result_blocks[i, j]
178 # If the block is a scalar Zero, convert it to ZeroMatrix
179 if isinstance(block, Zero):
180 # Determine the dimensions from the original multiplication
181 # The resulting block should have dimensions:
182 # rows: self.rowblocksizes[i], cols: other.colblocksizes[j]
183 rows = self.rowblocksizes[i]
184 cols = other.colblocksizes[j]
185 block = ZeroMatrix(rows, cols)
186 row.append(block)
187 new_blocks_data.append(row)
188
189 new_blocks = ImmutableDenseMatrix(new_blocks_data)
190 return BlockMatrix(new_blocks)
168191
169192 return self * other
170193
Test NameStatus
test_zero_matrix_add
Fail
test_issue_17624
Pass
test_bc_matmul
Pass
test_bc_matadd
Pass
test_bc_transpose
Pass
test_bc_dist_diag
Pass
test_block_plus_ident
Pass
test_BlockMatrix
Pass
test_block_collapse_explicit_matrices
Pass
test_BlockMatrix_trace
Pass
test_BlockMatrix_Determinant
Pass
test_squareBlockMatrix
Pass
test_BlockDiagMatrix
Pass
test_blockcut
Pass
test_reblock_2x2
Pass
test_deblock
Pass
test_sort_key
Pass
test_matadd_sympify
Pass
test_matadd_of_matrices
Pass
test_doit_args
Pass
test_generic_identity
Pass

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