| 79 | 79 | def __new__(cls, *args, **kwargs): |
| 80 | 80 | from sympy.matrices.immutable import ImmutableDenseMatrix |
| 81 | 81 | from sympy.utilities.iterables import is_sequence |
| 82 | from sympy import S | |
| 82 | 83 | isMat = lambda i: getattr(i, 'is_Matrix', False) |
| 84 | # Allow scalar zeros to be treated as valid blocks | |
| 85 | isMatOrZero = lambda i: getattr(i, 'is_Matrix', False) or i == S.Zero | |
| 83 | 86 | if len(args) != 1 or \ |
| 84 | 87 | not is_sequence(args[0]) or \ |
| 85 | len(set([isMat(r) for r in args[0]])) != 1: | |
| 88 | len(set([isMatOrZero(r) for r in args[0]])) != 1: | |
| 86 | 89 | raise ValueError(filldedent(''' |
| 87 | 90 | expecting a sequence of 1 or more rows |
| 88 | 91 | containing Matrices.''')) |
| 148 | 151 | |
| 149 | 152 | @property |
| 150 | 153 | def rowblocksizes(self): |
| 151 | return [self.blocks[i, 0].rows for i in range(self.blockshape[0])] | |
| 154 | from sympy import S | |
| 155 | sizes = [] | |
| 156 | for i in range(self.blockshape[0]): | |
| 157 | block = self.blocks[i, 0] | |
| 158 | if hasattr(block, 'rows'): | |
| 159 | sizes.append(block.rows) | |
| 160 | elif block == S.Zero: | |
| 161 | # For scalar zero, find the row size from other blocks in the same row | |
| 162 | row_size = None | |
| 163 | for j in range(self.blockshape[1]): | |
| 164 | other_block = self.blocks[i, j] | |
| 165 | if hasattr(other_block, 'rows'): | |
| 166 | row_size = other_block.rows | |
| 167 | break | |
| 168 | if row_size is None: | |
| 169 | # If all blocks in this row are scalar zeros, use the overall shape | |
| 170 | # This is a fallback - ideally this shouldn't happen in valid block matrices | |
| 171 | total_rows = sum(self.blocks[k, 0].rows for k in range(self.blockshape[0]) if hasattr(self.blocks[k, 0], 'rows')) | |
| 172 | if total_rows > 0: | |
| 173 | row_size = total_rows // self.blockshape[0] | |
| 174 | else: | |
| 175 | row_size = 1 # Default fallback | |
| 176 | sizes.append(row_size) | |
| 177 | else: | |
| 178 | # For other non-matrix objects, try to get shape or use default | |
| 179 | if hasattr(block, 'shape'): | |
| 180 | sizes.append(block.shape[0]) | |
| 181 | else: | |
| 182 | sizes.append(1) # Default fallback | |
| 183 | return sizes | |
| 152 | 184 | |
| 153 | 185 | @property |
| 154 | 186 | def colblocksizes(self): |
| 155 | return [self.blocks[0, i].cols for i in range(self.blockshape[1])] | |
| 187 | from sympy import S | |
| 188 | sizes = [] | |
| 189 | for i in range(self.blockshape[1]): | |
| 190 | block = self.blocks[0, i] | |
| 191 | if hasattr(block, 'cols'): | |
| 192 | sizes.append(block.cols) | |
| 193 | elif block == S.Zero: | |
| 194 | # For scalar zero, find the column size from other blocks in the same column | |
| 195 | col_size = None | |
| 196 | for j in range(self.blockshape[0]): | |
| 197 | other_block = self.blocks[j, i] | |
| 198 | if hasattr(other_block, 'cols'): | |
| 199 | col_size = other_block.cols | |
| 200 | break | |
| 201 | if col_size is None: | |
| 202 | # If all blocks in this column are scalar zeros, use the overall shape | |
| 203 | # This is a fallback - ideally this shouldn't happen in valid block matrices | |
| 204 | total_cols = sum(self.blocks[0, k].cols for k in range(self.blockshape[1]) if hasattr(self.blocks[0, k], 'cols')) | |
| 205 | if total_cols > 0: | |
| 206 | col_size = total_cols // self.blockshape[1] | |
| 207 | else: | |
| 208 | col_size = 1 # Default fallback | |
| 209 | sizes.append(col_size) | |
| 210 | else: | |
| 211 | # For other non-matrix objects, try to get shape or use default | |
| 212 | if hasattr(block, 'shape'): | |
| 213 | sizes.append(block.shape[1]) | |
| 214 | else: | |
| 215 | sizes.append(1) # Default fallback | |
| 216 | return sizes | |
| 156 | 217 | |
| 157 | 218 | def structurally_equal(self, other): |
| 158 | 219 | return (isinstance(other, BlockMatrix) |
| Test Name | Status |
|---|---|
test_issue_17624 | Fail |
test_zero_matrix_add | Fail |
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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