From b8c8e5f436743ac6a6a5ed0ad7ec5cce7dd00248 Mon Sep 17 00:00:00 2001
From: Rasmus Munk Larsen <rmlarsen@google.com>
Date: Mon, 14 May 2018 16:07:13 -0700
Subject: Add vectorized clip functor for Eigen Tensors.

---
 unsupported/test/cxx11_tensor_expr.cpp | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'unsupported/test/cxx11_tensor_expr.cpp')

diff --git a/unsupported/test/cxx11_tensor_expr.cpp b/unsupported/test/cxx11_tensor_expr.cpp
index 129b4e659..30e5a9860 100644
--- a/unsupported/test/cxx11_tensor_expr.cpp
+++ b/unsupported/test/cxx11_tensor_expr.cpp
@@ -340,6 +340,26 @@ void test_minmax_nan_propagation_templ() {
   }
 }
 
+static void test_clip()
+{
+  Tensor<float, 1> vec(6);
+  vec(0) = 4.0;
+  vec(1) = 8.0;
+  vec(2) = 15.0;
+  vec(3) = 16.0;
+  vec(4) = 23.0;
+  vec(5) = 42.0;
+
+  float kMin = 20;
+  float kMax = 30;
+
+  Tensor<float, 1> vec_clipped(6);
+  vec_clipped = vec.clip(kMin, kMax);
+  for (int i = 0; i < 6; ++i) {
+    VERIFY_IS_EQUAL(vec_clipped(i), std::min(std::max(vec(i), kMin), kMax));
+  }
+}
+
 static void test_minmax_nan_propagation()
 {
   test_minmax_nan_propagation_templ<float>();
@@ -356,5 +376,6 @@ void test_cxx11_tensor_expr()
   CALL_SUBTEST(test_functors());
   CALL_SUBTEST(test_type_casting());
   CALL_SUBTEST(test_select());
+  CALL_SUBTEST(test_clip());
   CALL_SUBTEST(test_minmax_nan_propagation());
 }
-- 
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