From fa16f5fd7f4000799d40c252f0fb9c67a6c71b2e Mon Sep 17 00:00:00 2001
From: Eduard Valeyev <eduard@valeyev.net>
Date: Sat, 9 Nov 2024 17:39:31 -0500
Subject: [PATCH] [unit] retile_suite/retile_more skip zero tiles

---
 tests/retile.cpp | 45 ++++++++++++++++++++++-----------------------
 1 file changed, 22 insertions(+), 23 deletions(-)

diff --git a/tests/retile.cpp b/tests/retile.cpp
index 0f4100d4c8..b55507bd31 100644
--- a/tests/retile.cpp
+++ b/tests/retile.cpp
@@ -6,26 +6,24 @@
 BOOST_AUTO_TEST_SUITE(retile_suite)
 
 BOOST_AUTO_TEST_CASE(retile_tensor) {
-    TA::detail::matrix_il<double> some_values = {
-      {0.1, 0.2, 0.3, 0.4, 0.5},
-      {0.6, 0.7, 0.8, 0.9, 1.0},
-      {1.1, 1.2, 1.3, 1.4, 1.5},
-      {1.6, 1.7, 1.8, 1.9, 2.0},
-      {2.1, 2.2, 2.3, 2.4, 2.5}
-    };
+  TA::detail::matrix_il<double> some_values = {{0.1, 0.2, 0.3, 0.4, 0.5},
+                                               {0.6, 0.7, 0.8, 0.9, 1.0},
+                                               {1.1, 1.2, 1.3, 1.4, 1.5},
+                                               {1.6, 1.7, 1.8, 1.9, 2.0},
+                                               {2.1, 2.2, 2.3, 2.4, 2.5}};
 
-    auto range0 = TA::TiledRange1(0, 3, 5);
-    auto range1 = TA::TiledRange1(0, 4, 5);
-    auto trange = TA::TiledRange({range0, range1});
+  auto range0 = TA::TiledRange1(0, 3, 5);
+  auto range1 = TA::TiledRange1(0, 4, 5);
+  auto trange = TA::TiledRange({range0, range1});
 
-    TA::TArrayD default_dense(*GlobalFixture::world, some_values);
-    TA::TSpArrayD default_sparse(*GlobalFixture::world, some_values);
+  TA::TArrayD default_dense(*GlobalFixture::world, some_values);
+  TA::TSpArrayD default_sparse(*GlobalFixture::world, some_values);
 
-    auto result_dense = retile(default_dense, trange);
-    auto result_sparse = retile(default_sparse, trange);
+  auto result_dense = retile(default_dense, trange);
+  auto result_sparse = retile(default_sparse, trange);
 
-    BOOST_CHECK_EQUAL(result_dense.trange(), trange);
-    BOOST_CHECK_EQUAL(result_sparse.trange(), trange);
+  BOOST_CHECK_EQUAL(result_dense.trange(), trange);
+  BOOST_CHECK_EQUAL(result_sparse.trange(), trange);
 }
 
 BOOST_AUTO_TEST_CASE(retile_more) {
@@ -69,17 +67,18 @@ BOOST_AUTO_TEST_CASE(retile_more) {
     return tile.norm();
   };
 
-  auto get_elem = [](auto const& arr, auto const& eix) {
-    auto tix = arr.trange().element_to_tile(eix);
-    auto&& tile = arr.find(tix).get(false);
-    return tile(eix);
-  };
-
   auto arr_source0 =
       TA::make_array<ArrayT>(world, tr_source, set_random_tensor_tile);
   auto arr_target0 = TA::retile(arr_source0, tr_target);
 
   for (auto&& eix : elem_rng) {
+    auto tix = arr_source0.trange().element_to_tile(eix);
+    BOOST_REQUIRE(arr_source0.is_zero(tix) == arr_target0.is_zero(tix));
+    if (arr_source0.is_zero(tix)) continue;
+    auto get_elem = [&tix](auto const& arr, auto const& eix) {
+      auto&& tile = arr.find(tix).get(false);
+      return tile(eix);
+    };
     BOOST_REQUIRE(get_elem(arr_source0, eix) == get_elem(arr_target0, eix));
   }
 
@@ -98,4 +97,4 @@ BOOST_AUTO_TEST_CASE(retile_more) {
   }
 }
 
-BOOST_AUTO_TEST_SUITE_END()
\ No newline at end of file
+BOOST_AUTO_TEST_SUITE_END()