| 1 | 1 | from __future__ import print_function, division |
| 2 | 2 | |
| 3 | from sympy import ask, Q | |
| 3 | from sympy import ask, Q, S | |
| 4 | 4 | from sympy.core import Basic, Add |
| 5 | 5 | from sympy.core.compatibility import range |
| 6 | 6 | from sympy.strategies import typed, exhaust, condition, do_one, unpack |
| 164 | 164 | def _blockmul(self, other): |
| 165 | 165 | if (isinstance(other, BlockMatrix) and |
| 166 | 166 | self.colblocksizes == other.rowblocksizes): |
| 167 | return BlockMatrix(self.blocks*other.blocks) | |
| 167 | result = self.blocks*other.blocks | |
| 168 | # Convert any Zero objects back to ZeroMatrix with proper dimensions | |
| 169 | from sympy.matrices.immutable import ImmutableDenseMatrix | |
| 170 | rows, cols = result.shape | |
| 171 | new_result = [[None for _ in range(cols)] for _ in range(rows)] | |
| 172 | for i in range(rows): | |
| 173 | for j in range(cols): | |
| 174 | element = result[i, j] | |
| 175 | if element == S.Zero: | |
| 176 | # Determine the correct dimensions for this zero block | |
| 177 | # Row dimension comes from self's row block i | |
| 178 | # Col dimension comes from other's col block j | |
| 179 | row_dim = self.blocks[i, 0].rows if hasattr(self.blocks[i, 0], 'rows') else self.rowblocksizes[i] | |
| 180 | col_dim = other.blocks[0, j].cols if hasattr(other.blocks[0, j], 'cols') else other.colblocksizes[j] | |
| 181 | new_result[i][j] = ZeroMatrix(row_dim, col_dim) | |
| 182 | else: | |
| 183 | new_result[i][j] = element | |
| 184 | return BlockMatrix(new_result) | |
| 168 | 185 | |
| 169 | 186 | return self * other |
| 170 | 187 |
| Test Name | Status |
|---|---|
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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