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Peva Blanchard
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| package ch.kleis.lcaplugin.core.math | ||
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| import ch.kleis.lcaplugin.core.lang.evaluator.EvaluatorException | ||
| import ch.kleis.lcaplugin.core.math.ejml.EJMLMatrix | ||
| import ch.kleis.lcaplugin.core.math.ejml.EJMLMatrixFactory | ||
| import org.ejml.data.DMatrixSparseCSC | ||
| import org.jetbrains.kotlinx.multik.api.mk | ||
| import org.jetbrains.kotlinx.multik.api.zeros | ||
| import org.jetbrains.kotlinx.multik.ndarray.data.D1Array | ||
| import org.jetbrains.kotlinx.multik.ndarray.data.D2Array | ||
| import org.jetbrains.kotlinx.multik.ndarray.data.D3Array | ||
| import org.jetbrains.kotlinx.multik.ndarray.data.set | ||
| import org.jetbrains.kotlinx.multik.ndarray.operations.forEachMultiIndexed | ||
|
|
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| fun d1MatchDimensions(l: D1Array<Double>, r: D1Array<Double>): Pair<D1Array<Double>, D1Array<Double>> { | ||
| return when { | ||
| l.isEmpty() -> mk.zeros<Double>(r.size) to r | ||
| r.isEmpty() -> l to mk.zeros(l.size) | ||
| l.size != r.size -> throw EvaluatorException("d1arrays cannot be broadcast") | ||
| else -> l to r | ||
| } | ||
| } | ||
|
|
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| fun d2Ejml(m: D2Array<Double>): EJMLMatrix { | ||
| val (rows, cols) = m.shape | ||
| val r = EJMLMatrixFactory.INSTANCE.zero(rows, cols) | ||
| m.forEachMultiIndexed { index, d -> | ||
| val (i, j) = index | ||
| r.set(i, j, d) | ||
| } | ||
| return r | ||
| } | ||
|
|
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| fun d3Ejml(m: D3Array<Double>): EJMLMatrix { | ||
| val (rows, cols, nps) = m.shape | ||
| val nParams = if (nps == 0) 1 else nps | ||
| val r = EJMLMatrixFactory.INSTANCE.zero(rows, cols * nParams) | ||
| m.forEachMultiIndexed { index, d -> | ||
| val (i, j, k) = index | ||
| r.set(i, j * nParams + k, d) | ||
| } | ||
| return r | ||
| } | ||
|
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| fun ejmlD2(m: EJMLMatrix): D2Array<Double> { | ||
| val (rows, cols) = Pair(m.rowDim(), m.colDim()) | ||
| val r = mk.zeros<Double>(rows, cols) | ||
| val iterator = m.matrix.getMatrix<DMatrixSparseCSC>().createCoordinateIterator() | ||
| while (iterator.hasNext()) { | ||
| val v = iterator.next() | ||
| r[v.row, v.col] = v.value | ||
| } | ||
| return r | ||
| } | ||
|
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| fun ejmlD3(m: EJMLMatrix, nParams: Int): D3Array<Double> { | ||
| val (rows, cols) = Pair(m.rowDim(), m.colDim()) | ||
| val r = mk.zeros<Double>(rows, cols, nParams) | ||
| if (nParams == 0) return r | ||
| val iterator = m.matrix.getMatrix<DMatrixSparseCSC>().createCoordinateIterator() | ||
| while (iterator.hasNext()) { | ||
| val v = iterator.next() | ||
| val i = v.row | ||
| val j = v.col / nParams | ||
| val k = v.col % nParams | ||
| r[i, j, k] = v.value | ||
| } | ||
| return r | ||
| } |
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92 changes: 92 additions & 0 deletions
92
src/test/kotlin/ch/kleis/lcaplugin/core/math/DualMatrixTest.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,92 @@ | ||
| package ch.kleis.lcaplugin.core.math | ||
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| import ch.kleis.lcaplugin.core.math.MatrixFixture.Companion.makeDualMatrix | ||
| import org.junit.Test | ||
| import kotlin.test.assertEquals | ||
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|
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| class DualMatrixTest { | ||
| private val dx = DualNumber.basis(2, 0) | ||
| private val dy = DualNumber.basis(2, 1) | ||
| private fun c(d: Double): DualNumber { | ||
| return DualNumber.constant(d) | ||
| } | ||
|
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| @Test | ||
| fun value() { | ||
| // given | ||
| val m = makeDualMatrix(2, 3, 2, | ||
| arrayOf( | ||
| c(1.0), c(2.0) + dx, c(3.0), | ||
| c(4.0), c(5.0), c(6.0), | ||
| ) | ||
| ) | ||
|
|
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| // when | ||
| val actual = m.value(0, 1, ) | ||
|
|
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| // then | ||
| val expected = c(2.0) + dx | ||
| assertEquals(expected, actual) | ||
| } | ||
|
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| @Test | ||
| fun set() { | ||
| // given | ||
| val m = makeDualMatrix(2, 3, 2, | ||
| arrayOf( | ||
| c(1.0), c(2.0), c(3.0), | ||
| c(4.0), c(5.0), c(6.0), | ||
| ) | ||
| ) | ||
|
|
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| // when | ||
| m.set(0, 1, c(3.0) + dx) | ||
|
|
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| // then | ||
| val expected = makeDualMatrix(2, 3, 2, | ||
| arrayOf( | ||
| c(1.0), c(3.0) + dx, c(3.0), | ||
| c(4.0), c(5.0), c(6.0), | ||
| ) | ||
| ) | ||
| assertEquals(expected, m) | ||
| } | ||
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| @Test | ||
| fun minus() { | ||
| } | ||
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| @Test | ||
| fun plus() { | ||
| } | ||
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| @Test | ||
| fun matMul() { | ||
| } | ||
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| @Test | ||
| fun matDiv() { | ||
| } | ||
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| @Test | ||
| fun negate() { | ||
| } | ||
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| @Test | ||
| fun transpose() { | ||
| } | ||
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| @Test | ||
| fun rowDim() { | ||
| } | ||
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| @Test | ||
| fun colDim() { | ||
| } | ||
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| @Test | ||
| fun add() { | ||
| } | ||
| } |
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