forked from kscience/kmath
added tests for fullLike, onesLike, rowsByIndices
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0440764cd3
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@ -23,6 +23,32 @@ import kotlin.test.assertTrue
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internal class TestDoubleTensor {
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@Test
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fun testFullLike() = DoubleTensorAlgebra {
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val shape = intArrayOf(2, 3)
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val buffer = doubleArrayOf(1.0, 2.0, 3.0, 4.0, 5.0, 6.0)
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val tensor = DoubleTensor(shape, buffer)
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val value = 12.5
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assertTrue { tensor.fullLike(value) eq DoubleTensor(shape, buffer.map { value }.toDoubleArray() ) }
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}
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@Test
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fun testOnesLike() = DoubleTensorAlgebra {
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val shape = intArrayOf(2, 3)
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val buffer = doubleArrayOf(1.0, 2.0, 3.0, 4.0, 5.0, 6.0)
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val tensor = DoubleTensor(shape, buffer)
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assertTrue { tensor.onesLike() eq DoubleTensor(shape, buffer.map { 1.0 }.toDoubleArray() ) }
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}
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@Test
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fun testRowsByIndices() = DoubleTensorAlgebra {
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val shape = intArrayOf(2, 2)
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val buffer = doubleArrayOf(1.0, 2.0, -3.0, 4.0)
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val tensor = fromArray(shape, buffer)
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assertTrue { tensor.rowsByIndices(intArrayOf(0)) eq DoubleTensor(intArrayOf(1, 2), doubleArrayOf(1.0, 2.0)) }
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assertTrue { tensor.rowsByIndices(intArrayOf(0, 1)) eq tensor }
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}
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@Test
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fun testValue() = DoubleTensorAlgebra {
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val value = 12.5
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