From b5124e7cfda27ed99dcfcec8cb1b674efa1ef4a3 Mon Sep 17 00:00:00 2001
From: Benoit Steiner <benoit.steiner.goog@gmail.com>
Date: Wed, 14 Jan 2015 15:46:04 -0800
Subject: Created many additional tests

---
 unsupported/test/cxx11_tensor_broadcasting.cpp | 86 +++++++++++++++++++++++---
 1 file changed, 79 insertions(+), 7 deletions(-)

(limited to 'unsupported/test/cxx11_tensor_broadcasting.cpp')

diff --git a/unsupported/test/cxx11_tensor_broadcasting.cpp b/unsupported/test/cxx11_tensor_broadcasting.cpp
index 9663912a4..f0792bdcf 100644
--- a/unsupported/test/cxx11_tensor_broadcasting.cpp
+++ b/unsupported/test/cxx11_tensor_broadcasting.cpp
@@ -13,9 +13,10 @@
 
 using Eigen::Tensor;
 
+template <int DataLayout>
 static void test_simple_broadcasting()
 {
-  Tensor<float, 4> tensor(2,3,5,7);
+  Tensor<float, 4, DataLayout> tensor(2,3,5,7);
   tensor.setRandom();
   array<ptrdiff_t, 4> broadcasts;
   broadcasts[0] = 1;
@@ -23,7 +24,7 @@ static void test_simple_broadcasting()
   broadcasts[2] = 1;
   broadcasts[3] = 1;
 
-  Tensor<float, 4> no_broadcast;
+  Tensor<float, 4, DataLayout> no_broadcast;
   no_broadcast = tensor.broadcast(broadcasts);
 
   VERIFY_IS_EQUAL(no_broadcast.dimension(0), 2);
@@ -45,7 +46,7 @@ static void test_simple_broadcasting()
   broadcasts[1] = 3;
   broadcasts[2] = 1;
   broadcasts[3] = 4;
-  Tensor<float, 4> broadcast;
+  Tensor<float, 4, DataLayout> broadcast;
   broadcast = tensor.broadcast(broadcasts);
 
   VERIFY_IS_EQUAL(broadcast.dimension(0), 4);
@@ -65,16 +66,17 @@ static void test_simple_broadcasting()
 }
 
 
+template <int DataLayout>
 static void test_vectorized_broadcasting()
 {
-  Tensor<float, 3> tensor(8,3,5);
+  Tensor<float, 3, DataLayout> tensor(8,3,5);
   tensor.setRandom();
   array<ptrdiff_t, 3> broadcasts;
   broadcasts[0] = 2;
   broadcasts[1] = 3;
   broadcasts[2] = 4;
 
-  Tensor<float, 3> broadcast;
+  Tensor<float, 3, DataLayout> broadcast;
   broadcast = tensor.broadcast(broadcasts);
 
   VERIFY_IS_EQUAL(broadcast.dimension(0), 16);
@@ -107,8 +109,78 @@ static void test_vectorized_broadcasting()
 }
 
 
+template <int DataLayout>
+static void test_static_broadcasting()
+{
+  Tensor<float, 3, DataLayout> tensor(8,3,5);
+  tensor.setRandom();
+  Eigen::IndexList<Eigen::type2index<2>, Eigen::type2index<3>, Eigen::type2index<4>> broadcasts;
+
+  Tensor<float, 3, DataLayout> broadcast;
+  broadcast = tensor.broadcast(broadcasts);
+
+  VERIFY_IS_EQUAL(broadcast.dimension(0), 16);
+  VERIFY_IS_EQUAL(broadcast.dimension(1), 9);
+  VERIFY_IS_EQUAL(broadcast.dimension(2), 20);
+
+  for (int i = 0; i < 16; ++i) {
+    for (int j = 0; j < 9; ++j) {
+      for (int k = 0; k < 20; ++k) {
+        VERIFY_IS_EQUAL(tensor(i%8,j%3,k%5), broadcast(i,j,k));
+      }
+    }
+  }
+
+  tensor.resize(11,3,5);
+  tensor.setRandom();
+  broadcast = tensor.broadcast(broadcasts);
+
+  VERIFY_IS_EQUAL(broadcast.dimension(0), 22);
+  VERIFY_IS_EQUAL(broadcast.dimension(1), 9);
+  VERIFY_IS_EQUAL(broadcast.dimension(2), 20);
+
+  for (int i = 0; i < 22; ++i) {
+    for (int j = 0; j < 9; ++j) {
+      for (int k = 0; k < 20; ++k) {
+        VERIFY_IS_EQUAL(tensor(i%11,j%3,k%5), broadcast(i,j,k));
+      }
+    }
+  }
+}
+
+
+template <int DataLayout>
+static void test_fixed_size_broadcasting()
+{
+  // Need to add a [] operator to the Size class for this to work
+#if 0
+  Tensor<float, 1, DataLayout> t1(10);
+  t1.setRandom();
+  TensorFixedSize<float, Sizes<1>, DataLayout> t2;
+  t2 = t2.constant(20.0f);
+
+  Tensor<float, 1, DataLayout> t3 = t1 + t2.broadcast(Eigen::array<int, 1>{{10}});
+  for (int i = 0; i < 10; ++i) {
+    VERIFY_IS_APPROX(t3(i), t1(i) + t2(0));
+  }
+
+  TensorMap<TensorFixedSize<float, Sizes<1>, DataLayout> > t4(t2.data(), {{1}});
+  Tensor<float, 1, DataLayout> t5 = t1 + t4.broadcast(Eigen::array<int, 1>{{10}});
+  for (int i = 0; i < 10; ++i) {
+    VERIFY_IS_APPROX(t5(i), t1(i) + t2(0));
+  }
+#endif
+}
+
+
 void test_cxx11_tensor_broadcasting()
 {
-   CALL_SUBTEST(test_simple_broadcasting());
-   CALL_SUBTEST(test_vectorized_broadcasting());
+  CALL_SUBTEST(test_simple_broadcasting<ColMajor>());
+  CALL_SUBTEST(test_simple_broadcasting<RowMajor>());
+  CALL_SUBTEST(test_vectorized_broadcasting<ColMajor>());
+  CALL_SUBTEST(test_vectorized_broadcasting<RowMajor>());
+  CALL_SUBTEST(test_static_broadcasting<ColMajor>());
+  CALL_SUBTEST(test_static_broadcasting<RowMajor>());
+  CALL_SUBTEST(test_fixed_size_broadcasting<ColMajor>());
+  CALL_SUBTEST(test_fixed_size_broadcasting<RowMajor>());
 }
-- 
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