Ridges.AI

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

     def _blockmul(self, other):
         if (isinstance(other, BlockMatrix) and
                 self.colblocksizes == other.rowblocksizes):
+            return BlockMatrix(self.blocks*other.blocks)
+            # Use the original approach but fix the ZeroMatrix issue
+            from sympy.matrices.immutable import ImmutableDenseMatrix
+            from sympy.matrices.expressions import ZeroMatrix
+            # Get the blocks
+            blocks_self = self.blocks
+            blocks_other = other.blocks
+            # Create result blocks as a list of lists first
+            result_blocks = []
+            for i in range(blocks_self.rows):
+                row_blocks = []
+                for j in range(blocks_other.cols):
+                    block_sum = None
+                    for k in range(blocks_self.cols):
+                        block1 = blocks_self[i, k]
+                        block2 = blocks_other[k, j]
+                        # Handle ZeroMatrix specially to preserve type
+                        if isinstance(block1, ZeroMatrix) or isinstance(block2, ZeroMatrix):
+                            product = ZeroMatrix(block1.rows, block2.cols)
+                        else:
+                            product = block1 * block2
+                        if block_sum is None:
+                            block_sum = product
+                        else:
+                            block_sum = block_sum + product
+                    row_blocks.append(block_sum)
+                result_blocks.append(row_blocks)
+            return BlockMatrix(ImmutableDenseMatrix(result_blocks))
         return self * other

python

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Failed