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Subject [GitHub] [incubator-tvm] sergei-grechanik commented on a change in pull request #5171: [Arith] linear system and equation solver
Date Tue, 07 Apr 2020 04:40:55 GMT
sergei-grechanik commented on a change in pull request #5171: [Arith] linear system and equation
solver
URL: https://github.com/apache/incubator-tvm/pull/5171#discussion_r404523919
 
 

 ##########
 File path: tests/python/unittest/test_arith_solve_linear_system.py
 ##########
 @@ -0,0 +1,213 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+import random
+import numpy as np
+import tvm
+from tvm import te, arith, ir, tir
+
+
+def run_expr(expr, vranges):
+    def _compute_body(*us):
+        vmap = {v: u + r.min for (v, r), u in zip(vranges.items(), us)}
+        return tir.ir_pass.Substitute(expr, vmap)
+
+    A = te.compute([r.extent.value for v, r in vranges.items()], _compute_body)
+    args = [tvm.nd.empty(A.shape, A.dtype)]
+    sch = te.create_schedule(A.op)
+    mod = tvm.build(sch, [A])
+    mod(*args)
+    return args[0].asnumpy()
+
+
+def check_bruteforce(bool_expr, vranges, cond=None):
 
 Review comment:
   Some comment like "Check that bool_expr holds given the condition cond for every value
of free variables from vranges".

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