diff options
Diffstat (limited to 'vespajlib/src/test/java/com/yahoo/tensor/functions/MatmulTestCase.java')
-rw-r--r-- | vespajlib/src/test/java/com/yahoo/tensor/functions/MatmulTestCase.java | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/vespajlib/src/test/java/com/yahoo/tensor/functions/MatmulTestCase.java b/vespajlib/src/test/java/com/yahoo/tensor/functions/MatmulTestCase.java new file mode 100644 index 00000000000..9643c0a56e7 --- /dev/null +++ b/vespajlib/src/test/java/com/yahoo/tensor/functions/MatmulTestCase.java @@ -0,0 +1,97 @@ +package com.yahoo.tensor.functions; + +import com.google.common.collect.ImmutableList; +import com.yahoo.tensor.Tensor; +import com.yahoo.tensor.TensorType; +import org.junit.Test; + +import static org.junit.Assert.assertEquals; + +/** + * @author bratseth + */ +public class MatmulTestCase { + + @Test + public void testMatmul2d() { + // d0 is the 'outermost' dimension, etc. + Tensor.Builder ab = Tensor.Builder.of(TensorType.fromSpec("tensor(d0[2],d1[3])")); + ab.cell( 1,0, 0); + ab.cell( 2,0, 1); + ab.cell( 3,0, 2); + ab.cell( 4,1, 0); + ab.cell( 5,1, 1); + ab.cell( 6,1, 2); + Tensor a = ab.build(); + + Tensor.Builder bb = Tensor.Builder.of(TensorType.fromSpec("tensor(d0[3],d1[2])")); + bb.cell( 7,0, 0); + bb.cell( 8,0, 1); + bb.cell( 9,1, 0); + bb.cell(10,1, 1); + bb.cell(11,2, 0); + bb.cell(12,2, 1); + Tensor b = bb.build(); + + Tensor.Builder rb = Tensor.Builder.of(TensorType.fromSpec("tensor(d0[2],d1[2])")); + rb.cell( 58,0, 0); + rb.cell( 64,0, 1); + rb.cell(139,1, 0); + rb.cell(154,1, 1); + Tensor r = rb.build(); + + Tensor result = a.matmul(b.rename(ImmutableList.of("d0","d1"), ImmutableList.of("d1","d2")), "d1") + .rename("d2","d1"); + assertEquals(r, result); + } + + @Test + public void testMatmul3d() { + // Convention: a is the 'outermost' dimension, etc. + Tensor.Builder ab = Tensor.Builder.of(TensorType.fromSpec("tensor(d0[2],d1[2],d2[3])")); + ab.cell( 1,0, 0, 0); + ab.cell( 2,0, 0, 1); + ab.cell( 3,0, 0, 2); + ab.cell( 4,0, 1, 0); + ab.cell( 5,0, 1, 1); + ab.cell( 6,0, 1, 2); + ab.cell( 7,1, 0, 0); + ab.cell( 8,1, 0, 1); + ab.cell( 9,1, 0, 2); + ab.cell(10,1, 1, 0); + ab.cell(11,1, 1, 1); + ab.cell(12,1, 1, 2); + Tensor a = ab.build(); + + Tensor.Builder bb = Tensor.Builder.of(TensorType.fromSpec("tensor(d0[2],d1[3],d2[2])")); + bb.cell(13,0, 0, 0); + bb.cell(14,0, 0, 1); + bb.cell(15,0, 1, 0); + bb.cell(16,0, 1, 1); + bb.cell(17,0, 2, 0); + bb.cell(18,0, 2, 1); + bb.cell(19,1, 0, 0); + bb.cell(20,1, 0, 1); + bb.cell(21,1, 1, 0); + bb.cell(22,1, 1, 1); + bb.cell(23,1, 2, 0); + bb.cell(24,1, 2, 1); + Tensor b = bb.build(); + + Tensor.Builder rb = Tensor.Builder.of(TensorType.fromSpec("tensor(d0[2],d1[2],d2[2])")); + rb.cell( 94,0, 0, 0); + rb.cell(100,0, 0, 1); + rb.cell(229,0, 1, 0); + rb.cell(244,0, 1, 1); + rb.cell(508,1, 0, 0); + rb.cell(532,1, 0, 1); + rb.cell(697,1, 1, 0); + rb.cell(730,1, 1, 1); + Tensor r = rb.build(); + + Tensor result = a.matmul(b.rename(ImmutableList.of("d1","d2"), ImmutableList.of("d2","d3")), "d2") + .rename("d3","d2"); + assertEquals(r, result); + } + +} |