diff options
Diffstat (limited to 'vespajlib/src/test/java/com/yahoo/tensor/TensorTestCase.java')
| -rw-r--r-- | vespajlib/src/test/java/com/yahoo/tensor/TensorTestCase.java | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/vespajlib/src/test/java/com/yahoo/tensor/TensorTestCase.java b/vespajlib/src/test/java/com/yahoo/tensor/TensorTestCase.java index f0b800bea7f..c47bfe84373 100644 --- a/vespajlib/src/test/java/com/yahoo/tensor/TensorTestCase.java +++ b/vespajlib/src/test/java/com/yahoo/tensor/TensorTestCase.java @@ -66,6 +66,16 @@ public class TensorTestCase { assertTrue(dimensions3.contains("d3")); } + @Test + public void testExpressions() { + Tensor y = Tensor.from("{{y:1}:3}"); + Tensor x = Tensor.from("{{x:0}:5,{x:1}:7}"); + Tensor xy = Tensor.from("{{x:0,y:1}:11, {x:1,y:1}:13}"); + double nest = y.multiply(x.multiply(xy).sum("x")).sum("y").asDouble(); + double flat = y.multiply(x).multiply(xy).sum(ImmutableList.of("x","y")).asDouble(); + assertEquals(nest, flat, 0.000000001); + } + /** All functions are more throughly tested in searchlib EvaluationTestCase */ @Test public void testTensorComputation() { |