forked from kscience/kmath
Finished with tests for Polynomial.
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@ -386,7 +386,7 @@ public open class PolynomialSpace<C, A : Ring<C>>(
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/**
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/**
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* Instance of unit constant (unit of the underlying ring).
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* Instance of unit constant (unit of the underlying ring).
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*/
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*/
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override val one: Polynomial<C> = Polynomial(listOf(constantZero))
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override val one: Polynomial<C> = Polynomial(listOf(constantOne))
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/**
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/**
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* Checks equality of the polynomials.
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* Checks equality of the polynomials.
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@ -394,11 +394,8 @@ public open class PolynomialSpace<C, A : Ring<C>>(
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public override infix fun Polynomial<C>.equalsTo(other: Polynomial<C>): Boolean =
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public override infix fun Polynomial<C>.equalsTo(other: Polynomial<C>): Boolean =
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when {
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when {
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this === other -> true
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this === other -> true
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else -> {
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this.degree == other.degree -> (0..degree).all { coefficients[it] == other.coefficients[it] }
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if (this.degree == other.degree)
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else -> false
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(0..degree).all { coefficients[it] == other.coefficients[it] }
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else false
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}
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}
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}
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/**
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/**
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@ -415,8 +412,8 @@ public open class PolynomialSpace<C, A : Ring<C>>(
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with(coefficients) {
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with(coefficients) {
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when {
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when {
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isEmpty() -> constantZero
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isEmpty() -> constantZero
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withIndex().any { (index, c) -> index == 0 || c.isZero() } -> null
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withIndex().all { (index, c) -> index == 0 || c.isZero() } -> first()
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else -> first()
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else -> null
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}
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}
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}
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}
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@ -489,8 +486,6 @@ public open class PolynomialSpace<C, A : Ring<C>>(
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public class ScalablePolynomialSpace<C, A>(
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public class ScalablePolynomialSpace<C, A>(
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ring: A,
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ring: A,
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) : PolynomialSpace<C, A>(ring), ScaleOperations<Polynomial<C>> where A : Ring<C>, A : ScaleOperations<C> {
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) : PolynomialSpace<C, A>(ring), ScaleOperations<Polynomial<C>> where A : Ring<C>, A : ScaleOperations<C> {
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override fun scale(a: Polynomial<C>, value: Double): Polynomial<C> =
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override fun scale(a: Polynomial<C>, value: Double): Polynomial<C> =
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ring { Polynomial(List(a.coefficients.size) { index -> a.coefficients[index] * value }) }
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ring { Polynomial(a.coefficients.map { scale(it, value) }) }
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}
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}
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@ -127,9 +127,10 @@ public fun <C> Polynomial<C>.substitute(ring: Ring<C>, arg: Polynomial<C>) : Pol
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if (argDegree == -1) return coefficients[0].asPolynomial()
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if (argDegree == -1) return coefficients[0].asPolynomial()
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val constantZero = zero
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val constantZero = zero
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val resultCoefs: MutableList<C> = MutableList(thisDegree * argDegree + 1) { constantZero }
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val resultCoefs: MutableList<C> = MutableList(thisDegree * argDegree + 1) { constantZero }
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resultCoefs[0] = coefficients[thisDegree]
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val resultCoefsUpdate: MutableList<C> = MutableList(thisDegree * argDegree + 1) { constantZero }
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val resultCoefsUpdate: MutableList<C> = MutableList(thisDegree * argDegree + 1) { constantZero }
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var resultDegree = 0
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var resultDegree = 0
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for (deg in thisDegree downTo 0) {
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for (deg in thisDegree - 1 downTo 0) {
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resultCoefsUpdate[0] = coefficients[deg]
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resultCoefsUpdate[0] = coefficients[deg]
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multiplyAddingToUpdater(
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multiplyAddingToUpdater(
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ring = ring,
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ring = ring,
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@ -142,6 +143,8 @@ public fun <C> Polynomial<C>.substitute(ring: Ring<C>, arg: Polynomial<C>) : Pol
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)
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)
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resultDegree += argDegree
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resultDegree += argDegree
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}
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}
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with(resultCoefs) { while (isNotEmpty() && elementAt(lastIndex) == constantZero) removeAt(lastIndex) }
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return Polynomial<C>(resultCoefs)
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return Polynomial<C>(resultCoefs)
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}
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}
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@ -162,7 +165,12 @@ public fun <C, A : Ring<C>> Polynomial<C>.asPolynomialFunctionOver(ring: A): (Po
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public fun <C, A> Polynomial<C>.derivative(
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public fun <C, A> Polynomial<C>.derivative(
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algebra: A,
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algebra: A,
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): Polynomial<C> where A : Ring<C>, A : NumericAlgebra<C> = algebra {
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): Polynomial<C> where A : Ring<C>, A : NumericAlgebra<C> = algebra {
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Polynomial(coefficients.drop(1).mapIndexed { index, c -> number(index + 1) * c })
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Polynomial(
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buildList(max(0, coefficients.size - 1)) {
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for (deg in 1 .. coefficients.lastIndex) add(number(deg) * coefficients[deg])
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while (isNotEmpty() && elementAt(lastIndex) == algebra.zero) removeAt(lastIndex)
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}
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)
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}
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}
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/**
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/**
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@ -171,9 +179,16 @@ public fun <C, A> Polynomial<C>.derivative(
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@UnstableKMathAPI
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@UnstableKMathAPI
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public fun <C, A> Polynomial<C>.nthDerivative(
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public fun <C, A> Polynomial<C>.nthDerivative(
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algebra: A,
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algebra: A,
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order: UInt,
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order: Int,
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): Polynomial<C> where A : Ring<C>, A : NumericAlgebra<C> = algebra {
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): Polynomial<C> where A : Ring<C>, A : NumericAlgebra<C> = algebra {
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Polynomial(coefficients.drop(order.toInt()).mapIndexed { index, c -> (index + 1..index + order.toInt()).fold(c) { acc, i -> acc * number(i) } })
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require(order >= 0) { "Order of derivative must be non-negative" }
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Polynomial(
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buildList(max(0, coefficients.size - order)) {
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for (deg in order.. coefficients.lastIndex)
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add((deg - order + 1 .. deg).fold(coefficients[deg]) { acc, d -> acc * number(d) })
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while (isNotEmpty() && elementAt(lastIndex) == algebra.zero) removeAt(lastIndex)
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}
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)
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}
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}
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/**
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/**
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@ -183,11 +198,13 @@ public fun <C, A> Polynomial<C>.nthDerivative(
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public fun <C, A> Polynomial<C>.antiderivative(
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public fun <C, A> Polynomial<C>.antiderivative(
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algebra: A,
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algebra: A,
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): Polynomial<C> where A : Field<C>, A : NumericAlgebra<C> = algebra {
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): Polynomial<C> where A : Field<C>, A : NumericAlgebra<C> = algebra {
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val integratedCoefficients = buildList(coefficients.size + 1) {
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Polynomial(
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add(zero)
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buildList(coefficients.size + 1) {
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coefficients.mapIndexedTo(this) { index, t -> t / number(index + 1) }
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add(zero)
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}
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coefficients.mapIndexedTo(this) { index, t -> t / number(index + 1) }
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Polynomial(integratedCoefficients)
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while (isNotEmpty() && elementAt(lastIndex) == algebra.zero) removeAt(lastIndex)
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}
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)
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}
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}
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/**
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/**
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@ -196,13 +213,16 @@ public fun <C, A> Polynomial<C>.antiderivative(
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@UnstableKMathAPI
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@UnstableKMathAPI
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public fun <C, A> Polynomial<C>.nthAntiderivative(
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public fun <C, A> Polynomial<C>.nthAntiderivative(
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algebra: A,
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algebra: A,
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order: UInt,
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order: Int,
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): Polynomial<C> where A : Field<C>, A : NumericAlgebra<C> = algebra {
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): Polynomial<C> where A : Field<C>, A : NumericAlgebra<C> = algebra {
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val newCoefficients = buildList(coefficients.size + order.toInt()) {
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require(order >= 0) { "Order of antiderivative must be non-negative" }
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repeat(order.toInt()) { add(zero) }
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Polynomial(
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coefficients.mapIndexedTo(this) { index, c -> (1..order.toInt()).fold(c) { acc, i -> acc / number(index + i) } }
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buildList(coefficients.size + order) {
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}
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repeat(order) { add(zero) }
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return Polynomial(newCoefficients)
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coefficients.mapIndexedTo(this) { index, c -> (1..order).fold(c) { acc, i -> acc / number(index + i) } }
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while (isNotEmpty() && elementAt(lastIndex) == algebra.zero) removeAt(lastIndex)
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}
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)
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}
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}
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/**
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/**
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@ -534,4 +534,158 @@ class PolynomialTest {
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assertFalse("test 12") { Polynomial(Rational(-1), Rational(5, -5), Rational(0)).isMinusOne() }
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assertFalse("test 12") { Polynomial(Rational(-1), Rational(5, -5), Rational(0)).isMinusOne() }
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}
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}
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}
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}
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@Test
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fun test_Polynomial_equalsTo() {
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RationalField.polynomial {
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assertTrue("test 1") {
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Polynomial(Rational(5, 9), Rational(-8, 9), Rational(-8, 7)) equalsTo
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Polynomial(Rational(5, 9), Rational(-8, 9), Rational(-8, 7))
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}
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assertTrue("test 2") {
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Polynomial(Rational(5, 9), Rational(0), Rational(-8, 7)) equalsTo
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Polynomial(Rational(5, 9), Rational(0), Rational(-8, 7))
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}
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assertTrue("test 3") {
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Polynomial(Rational(0), Rational(0), Rational(-8, 7), Rational(0), Rational(0)) equalsTo
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Polynomial(Rational(0), Rational(0), Rational(-8, 7))
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}
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assertFalse("test 4") {
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Polynomial(Rational(5, 9), Rational(5, 7), Rational(-8, 7)) equalsTo
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Polynomial(Rational(5, 9), Rational(-8, 9), Rational(-8, 7))
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}
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assertFalse("test 5") {
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Polynomial(Rational(8, 3), Rational(0), Rational(-8, 7)) equalsTo
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Polynomial(Rational(5, 9), Rational(0), Rational(-8, 7))
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}
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assertFalse("test 6") {
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Polynomial(Rational(0), Rational(0), Rational(-8, 7), Rational(0), Rational(0)) equalsTo
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Polynomial(Rational(0), Rational(0), Rational(8, 7))
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}
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}
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}
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@Test
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fun test_Polynomial_degree() {
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RationalField.polynomial {
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assertEquals(
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2,
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Polynomial(Rational(5, 9), Rational(-8, 9), Rational(-8, 7)).degree,
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"test 1"
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)
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assertEquals(
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-1,
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Polynomial<Rational>().degree,
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"test 2"
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)
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assertEquals(
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-1,
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Polynomial(Rational(0)).degree,
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"test 3"
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)
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assertEquals(
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-1,
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Polynomial(Rational(0), Rational(0)).degree,
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"test 4"
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)
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assertEquals(
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-1,
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Polynomial(Rational(0), Rational(0), Rational(0)).degree,
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"test 5"
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)
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assertEquals(
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0,
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Polynomial(Rational(5, 9)).degree,
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"test 6"
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)
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assertEquals(
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0,
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Polynomial(Rational(5, 9), Rational(0)).degree,
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"test 7"
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)
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assertEquals(
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0,
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Polynomial(Rational(5, 9), Rational(0), Rational(0)).degree,
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"test 8"
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)
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assertEquals(
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2,
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Polynomial(Rational(0), Rational(0), Rational(-8, 7)).degree,
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"test 9"
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)
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assertEquals(
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2,
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Polynomial(Rational(5, 9), Rational(-8, 9), Rational(-8, 7), Rational(0), Rational(0)).degree,
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"test 10"
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)
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assertEquals(
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2,
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Polynomial(Rational(0), Rational(0), Rational(-8, 7), Rational(0), Rational(0)).degree,
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"test 11"
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)
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}
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}
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@Test
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fun test_Polynomial_asConstantOrNull() {
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RationalField.polynomial {
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assertEquals(
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Rational(0),
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Polynomial<Rational>().asConstantOrNull(),
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"test 1"
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)
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assertEquals(
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Rational(0),
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Polynomial(Rational(0)).asConstantOrNull(),
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"test 2"
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)
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assertEquals(
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Rational(0),
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Polynomial(Rational(0), Rational(0)).asConstantOrNull(),
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"test 3"
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)
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assertEquals(
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Rational(0),
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Polynomial(Rational(0), Rational(0), Rational(0)).asConstantOrNull(),
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"test 4"
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)
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assertEquals(
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Rational(-7, 9),
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Polynomial(Rational(-7, 9)).asConstantOrNull(),
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"test 5"
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)
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assertEquals(
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Rational(-7, 9),
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Polynomial(Rational(-7, 9), Rational(0)).asConstantOrNull(),
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"test 6"
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)
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assertEquals(
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Rational(-7, 9),
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Polynomial(Rational(-7, 9), Rational(0), Rational(0)).asConstantOrNull(),
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"test 7"
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)
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assertEquals(
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null,
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Polynomial(Rational(0), Rational(-7, 9)).asConstantOrNull(),
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"test 8"
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)
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assertEquals(
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null,
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Polynomial(Rational(0), Rational(-7, 9), Rational(0)).asConstantOrNull(),
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"test 9"
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)
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assertEquals(
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null,
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Polynomial(Rational(0), Rational(0), Rational(-7, 9)).asConstantOrNull(),
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"test 10"
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)
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assertEquals(
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null,
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Polynomial(Rational(4, 15), Rational(0), Rational(-7, 9)).asConstantOrNull(),
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"test 11"
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)
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assertEquals(
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null,
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Polynomial(Rational(4, 15), Rational(0), Rational(-7, 9), Rational(0)).asConstantOrNull(),
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"test 12"
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)
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}
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}
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}
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}
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@ -5,23 +5,224 @@
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package space.kscience.kmath.functions
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package space.kscience.kmath.functions
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import space.kscience.kmath.operations.algebra
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import space.kscience.kmath.test.misc.Rational
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import space.kscience.kmath.test.misc.RationalField
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import kotlin.test.Test
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import kotlin.test.Test
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import kotlin.test.assertEquals
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import kotlin.test.assertEquals
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import kotlin.test.assertFailsWith
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class PolynomialUtilTest {
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class PolynomialUtilTest {
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@Test
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@Test
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fun simple_polynomial_test() {
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fun test_substitute_Double() {
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val polynomial : Polynomial<Double>
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Double.algebra.scalablePolynomial {
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val x = Polynomial(listOf(0.0, 1.0))
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polynomial = x * x - 2 * x + 1
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}
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assertEquals(0.0, polynomial.substitute(1.0), 0.001)
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}
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@Test
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fun testIntegration() {
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val polynomial = Polynomial(1.0, -2.0, 1.0)
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val polynomial = Polynomial(1.0, -2.0, 1.0)
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assertEquals(0.0, polynomial.substitute(1.0), 0.001)
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assertEquals(0.0, polynomial.substitute(1.0), 0.001)
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}
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}
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@Test
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fun test_substitute_Constant() {
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assertEquals(
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Rational(0),
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Polynomial(Rational(1), Rational(-2), Rational(1)).substitute(RationalField, Rational(1)),
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"test 1"
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)
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assertEquals(
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Rational(25057, 21000),
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Polynomial(Rational(5,8), Rational(8, 3), Rational(4, 7), Rational(3, 2))
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.substitute(RationalField, Rational(1, 5)),
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"test 2"
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)
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assertEquals(
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|
Rational(2983, 5250),
|
||||||
|
Polynomial(Rational(0), Rational(8, 3), Rational(4, 7), Rational(3, 2))
|
||||||
|
.substitute(RationalField, Rational(1, 5)),
|
||||||
|
"test 3"
|
||||||
|
)
|
||||||
|
assertEquals(
|
||||||
|
Rational(4961, 4200),
|
||||||
|
Polynomial(Rational(5,8), Rational(8, 3), Rational(4, 7), Rational(0))
|
||||||
|
.substitute(RationalField, Rational(1, 5)),
|
||||||
|
"test 4"
|
||||||
|
)
|
||||||
|
assertEquals(
|
||||||
|
Rational(3511, 3000),
|
||||||
|
Polynomial(Rational(5,8), Rational(8, 3), Rational(0), Rational(3, 2))
|
||||||
|
.substitute(RationalField, Rational(1, 5)),
|
||||||
|
"test 5"
|
||||||
|
)
|
||||||
|
}
|
||||||
|
@Test
|
||||||
|
fun test_substitute_Polynomial() {
|
||||||
|
assertEquals(
|
||||||
|
Polynomial(),
|
||||||
|
Polynomial(Rational(1), Rational(-2), Rational(1)).substitute(RationalField, Polynomial(Rational(1))),
|
||||||
|
"test 1"
|
||||||
|
)
|
||||||
|
assertEquals(
|
||||||
|
Polynomial(Rational(709, 378), Rational(155, 252), Rational(19, 525), Rational(2, 875)),
|
||||||
|
Polynomial(Rational(1, 7), Rational(9, 4), Rational(1, 3), Rational(2, 7))
|
||||||
|
.substitute(RationalField, Polynomial(Rational(6, 9), Rational(1, 5))),
|
||||||
|
"test 2"
|
||||||
|
)
|
||||||
|
assertEquals(
|
||||||
|
Polynomial(Rational(655, 378), Rational(155, 252), Rational(19, 525), Rational(2, 875)),
|
||||||
|
Polynomial(Rational(0), Rational(9, 4), Rational(1, 3), Rational(2, 7))
|
||||||
|
.substitute(RationalField, Polynomial(Rational(6, 9), Rational(1, 5))),
|
||||||
|
"test 3"
|
||||||
|
)
|
||||||
|
assertEquals(
|
||||||
|
Polynomial(Rational(677, 378), Rational(97, 180), Rational(1, 75)),
|
||||||
|
Polynomial(Rational(1, 7), Rational(9, 4), Rational(1, 3), Rational(0))
|
||||||
|
.substitute(RationalField, Polynomial(Rational(6, 9), Rational(1, 5))),
|
||||||
|
"test 4"
|
||||||
|
)
|
||||||
|
assertEquals(
|
||||||
|
Polynomial(Rational(653, 378), Rational(221, 420), Rational(4, 175), Rational(2, 875)),
|
||||||
|
Polynomial(Rational(1, 7), Rational(9, 4), Rational(0), Rational(2, 7))
|
||||||
|
.substitute(RationalField, Polynomial(Rational(6, 9), Rational(1, 5))),
|
||||||
|
"test 5"
|
||||||
|
)
|
||||||
|
assertEquals(
|
||||||
|
Polynomial(Rational(89, 54)),
|
||||||
|
Polynomial(Rational(0), Rational(9, 4), Rational(1, 3), Rational(0))
|
||||||
|
.substitute(RationalField, Polynomial(Rational(6, 9), Rational(0))),
|
||||||
|
"test 6"
|
||||||
|
)
|
||||||
|
}
|
||||||
|
@Test
|
||||||
|
fun test_derivative() {
|
||||||
|
assertEquals(
|
||||||
|
Polynomial(Rational(-2), Rational(2)),
|
||||||
|
Polynomial(Rational(1), Rational(-2), Rational(1)).derivative(RationalField),
|
||||||
|
"test 1"
|
||||||
|
)
|
||||||
|
assertEquals(
|
||||||
|
Polynomial(Rational(-8, 3), Rational(8, 9), Rational(15, 7), Rational(-20, 9)),
|
||||||
|
Polynomial(Rational(1, 5), Rational(-8, 3), Rational(4, 9), Rational(5, 7), Rational(-5, 9)).derivative(RationalField),
|
||||||
|
"test 2"
|
||||||
|
)
|
||||||
|
assertEquals(
|
||||||
|
Polynomial(Rational(0), Rational(8, 9), Rational(15, 7), Rational(-20, 9)),
|
||||||
|
Polynomial(Rational(0), Rational(0), Rational(4, 9), Rational(5, 7), Rational(-5, 9)).derivative(RationalField),
|
||||||
|
"test 3"
|
||||||
|
)
|
||||||
|
assertEquals(
|
||||||
|
Polynomial(Rational(-8, 3), Rational(8, 9), Rational(15, 7)),
|
||||||
|
Polynomial(Rational(1, 5), Rational(-8, 3), Rational(4, 9), Rational(5, 7), Rational(0)).derivative(RationalField),
|
||||||
|
"test 4"
|
||||||
|
)
|
||||||
|
}
|
||||||
|
@Test
|
||||||
|
fun test_nthDerivative() {
|
||||||
|
assertEquals(
|
||||||
|
Polynomial(Rational(-2), Rational(2)),
|
||||||
|
Polynomial(Rational(1), Rational(-2), Rational(1)).nthDerivative(RationalField, 1),
|
||||||
|
"test 1"
|
||||||
|
)
|
||||||
|
assertFailsWith<IllegalArgumentException>("test2") {
|
||||||
|
Polynomial(Rational(1), Rational(-2), Rational(1)).nthDerivative(RationalField, -1)
|
||||||
|
}
|
||||||
|
assertEquals(
|
||||||
|
Polynomial(Rational(1), Rational(-2), Rational(1)),
|
||||||
|
Polynomial(Rational(1), Rational(-2), Rational(1)).nthDerivative(RationalField, 0),
|
||||||
|
"test 3"
|
||||||
|
)
|
||||||
|
assertEquals(
|
||||||
|
Polynomial(Rational(2)),
|
||||||
|
Polynomial(Rational(1), Rational(-2), Rational(1)).nthDerivative(RationalField, 2),
|
||||||
|
"test 4"
|
||||||
|
)
|
||||||
|
assertEquals(
|
||||||
|
Polynomial(),
|
||||||
|
Polynomial(Rational(1), Rational(-2), Rational(1)).nthDerivative(RationalField, 3),
|
||||||
|
"test 5"
|
||||||
|
)
|
||||||
|
assertEquals(
|
||||||
|
Polynomial(),
|
||||||
|
Polynomial(Rational(1), Rational(-2), Rational(1)).nthDerivative(RationalField, 4),
|
||||||
|
"test 6"
|
||||||
|
)
|
||||||
|
assertEquals(
|
||||||
|
Polynomial(Rational(8, 9), Rational(30, 7), Rational(-20, 3)),
|
||||||
|
Polynomial(Rational(1, 5), Rational(-8, 3), Rational(4, 9), Rational(5, 7), Rational(-5, 9)).nthDerivative(RationalField, 2),
|
||||||
|
"test 7"
|
||||||
|
)
|
||||||
|
assertEquals(
|
||||||
|
Polynomial(Rational(8, 9), Rational(30, 7), Rational(-20, 3)),
|
||||||
|
Polynomial(Rational(0), Rational(0), Rational(4, 9), Rational(5, 7), Rational(-5, 9)).nthDerivative(RationalField, 2),
|
||||||
|
"test 8"
|
||||||
|
)
|
||||||
|
assertEquals(
|
||||||
|
Polynomial(Rational(8, 9), Rational(30, 7)),
|
||||||
|
Polynomial(Rational(1, 5), Rational(-8, 3), Rational(4, 9), Rational(5, 7), Rational(0)).nthDerivative(RationalField, 2),
|
||||||
|
"test 9"
|
||||||
|
)
|
||||||
|
}
|
||||||
|
@Test
|
||||||
|
fun test_antiderivative() {
|
||||||
|
assertEquals(
|
||||||
|
Polynomial(Rational(0), Rational(1), Rational(-1), Rational(1, 3)),
|
||||||
|
Polynomial(Rational(1), Rational(-2), Rational(1)).antiderivative(RationalField),
|
||||||
|
"test 1"
|
||||||
|
)
|
||||||
|
assertEquals(
|
||||||
|
Polynomial(Rational(0), Rational(1, 5), Rational(-4, 3), Rational(4, 27), Rational(5, 28), Rational(-1, 9)),
|
||||||
|
Polynomial(Rational(1, 5), Rational(-8, 3), Rational(4, 9), Rational(5, 7), Rational(-5, 9)).antiderivative(RationalField),
|
||||||
|
"test 2"
|
||||||
|
)
|
||||||
|
assertEquals(
|
||||||
|
Polynomial(Rational(0), Rational(0), Rational(0), Rational(4, 27), Rational(5, 28), Rational(-1, 9)),
|
||||||
|
Polynomial(Rational(0), Rational(0), Rational(4, 9), Rational(5, 7), Rational(-5, 9)).antiderivative(RationalField),
|
||||||
|
"test 3"
|
||||||
|
)
|
||||||
|
assertEquals(
|
||||||
|
Polynomial(Rational(0), Rational(1, 5), Rational(-4, 3), Rational(4, 27), Rational(5, 28)),
|
||||||
|
Polynomial(Rational(1, 5), Rational(-8, 3), Rational(4, 9), Rational(5, 7), Rational(0)).antiderivative(RationalField),
|
||||||
|
"test 4"
|
||||||
|
)
|
||||||
|
}
|
||||||
|
@Test
|
||||||
|
fun test_nthAntiderivative() {
|
||||||
|
assertEquals(
|
||||||
|
Polynomial(Rational(0), Rational(1), Rational(-1), Rational(1, 3)),
|
||||||
|
Polynomial(Rational(1), Rational(-2), Rational(1)).nthAntiderivative(RationalField, 1),
|
||||||
|
"test 1"
|
||||||
|
)
|
||||||
|
assertFailsWith<IllegalArgumentException>("test2") {
|
||||||
|
Polynomial(Rational(1), Rational(-2), Rational(1)).nthAntiderivative(RationalField, -1)
|
||||||
|
}
|
||||||
|
assertEquals(
|
||||||
|
Polynomial(Rational(1), Rational(-2), Rational(1)),
|
||||||
|
Polynomial(Rational(1), Rational(-2), Rational(1)).nthAntiderivative(RationalField, 0),
|
||||||
|
"test 3"
|
||||||
|
)
|
||||||
|
assertEquals(
|
||||||
|
Polynomial(Rational(0), Rational(0), Rational(1, 2), Rational(-1, 3), Rational(1, 12)),
|
||||||
|
Polynomial(Rational(1), Rational(-2), Rational(1)).nthAntiderivative(RationalField, 2),
|
||||||
|
"test 4"
|
||||||
|
)
|
||||||
|
assertEquals(
|
||||||
|
Polynomial(Rational(0), Rational(0), Rational(0), Rational(1, 6), Rational(-1, 12), Rational(1, 60)),
|
||||||
|
Polynomial(Rational(1), Rational(-2), Rational(1)).nthAntiderivative(RationalField, 3),
|
||||||
|
"test 5"
|
||||||
|
)
|
||||||
|
assertEquals(
|
||||||
|
Polynomial(Rational(0), Rational(0), Rational(0), Rational(0), Rational(1, 24), Rational(-1, 60), Rational(1, 360)),
|
||||||
|
Polynomial(Rational(1), Rational(-2), Rational(1)).nthAntiderivative(RationalField, 4),
|
||||||
|
"test 6"
|
||||||
|
)
|
||||||
|
assertEquals(
|
||||||
|
Polynomial(Rational(0), Rational(0), Rational(1, 10), Rational(-4, 9), Rational(1, 27), Rational(1, 28), Rational(-1, 54)),
|
||||||
|
Polynomial(Rational(1, 5), Rational(-8, 3), Rational(4, 9), Rational(5, 7), Rational(-5, 9)).nthAntiderivative(RationalField, 2),
|
||||||
|
"test 7"
|
||||||
|
)
|
||||||
|
assertEquals(
|
||||||
|
Polynomial(Rational(0), Rational(0), Rational(0), Rational(0), Rational(1, 27), Rational(1, 28), Rational(-1, 54)),
|
||||||
|
Polynomial(Rational(0), Rational(0), Rational(4, 9), Rational(5, 7), Rational(-5, 9)).nthAntiderivative(RationalField, 2),
|
||||||
|
"test 8"
|
||||||
|
)
|
||||||
|
assertEquals(
|
||||||
|
Polynomial(Rational(0), Rational(0), Rational(1, 10), Rational(-4, 9), Rational(1, 27), Rational(1, 28)),
|
||||||
|
Polynomial(Rational(1, 5), Rational(-8, 3), Rational(4, 9), Rational(5, 7), Rational(0)).nthAntiderivative(RationalField, 2),
|
||||||
|
"test 9"
|
||||||
|
)
|
||||||
|
}
|
||||||
}
|
}
|
Loading…
Reference in New Issue
Block a user