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init test for analytic algebra

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This commit is contained in:
Andrei Kislitsyn 2021-03-21 19:08:30 +03:00
parent 8e9a85078e
commit df402086da
2 changed files with 39 additions and 0 deletions
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35
kmath-core/src/commonTest/kotlin/space/kscience/kmath/tensors/core/TestDoubleAnalyticTensorAlgebra.kt Normal file
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@ -0,0 +1,35 @@
package space.kscience.kmath.tensors.core
import kotlin.math.abs
import kotlin.math.exp
import kotlin.test.Test
import kotlin.test.assertEquals
import kotlin.test.assertTrue
class TestDoubleAnalyticTensorAlgebra {
val shape = intArrayOf(2, 1, 3, 2)
val buffer = doubleArrayOf(27.1, 20.0, 19.84, 23.123, 0.0, 1.0, 3.23, 133.7, 25.3, 100.3, 11.0, 12.012)
val tensor = DoubleTensor(shape, buffer)
fun DoubleArray.fmap(transform: (Double) -> Double): DoubleArray {
return this.map(transform).toDoubleArray()
}
fun DoubleArray.deltaEqual(other: DoubleArray, delta: Double = 1e-5): Boolean {
for ((elem1, elem2) in this.asSequence().zip(other.asSequence())) {
if (abs(elem1 - elem2) > delta) {
return false
}
}
return true
}
@Test
fun testExp() = DoubleAnalyticTensorAlgebra {
tensor.exp().let {
assertTrue { shape contentEquals it.shape }
assertTrue { buffer.fmap(::exp).deltaEqual(it.buffer.array())}
}
}
}

4
kmath-core/src/commonTest/kotlin/space/kscience/kmath/tensors/core/TestDoubleTensorAlgebra.kt
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@ -79,4 +79,8 @@ class TestDoubleTensorAlgebra {
assertTrue(expected.buffer.array() contentEquals assignResult.buffer.array())
}
@Test
fun testContentEqual() = DoubleTensorAlgebra {
//TODO()
}
}