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Feature: Polynomials and rational functions #469

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lounres merged 132 commits from feature/polynomials into dev 2022-07-28 18:04:06 +03:00
Conversation 19 Commits 132 Files Changed 51 +15 -3
1 changed files with 15 additions and 3 deletions
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18
kmath-functions/src/commonTest/kotlin/space/kscience/kmath/functions/ListPolynomialUtilTest.kt
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@ -8,16 +8,22 @@ package space.kscience.kmath.functions
import space.kscience.kmath.misc.UnstableKMathAPI import space.kscience.kmath.misc.UnstableKMathAPI
import space.kscience.kmath.test.misc.Rational import space.kscience.kmath.test.misc.Rational
import space.kscience.kmath.test.misc.RationalField import space.kscience.kmath.test.misc.RationalField
import space.kscience.kmath.test.misc.assertFailsWithTypeAndMessage
import kotlin.test.Ignore import kotlin.test.Ignore
import kotlin.test.Test import kotlin.test.Test
import kotlin.test.assertEquals import kotlin.test.assertEquals
import kotlin.test.assertFailsWith
@OptIn(UnstableKMathAPI::class) @OptIn(UnstableKMathAPI::class)
class ListPolynomialUtilTest { class ListPolynomialUtilTest {
@Test @Test
fun test_Polynomial_substitute_Double() { fun test_Polynomial_substitute_Double() {
assertEquals(
0.0,
ListPolynomial(1.0, -2.0, 1.0).substitute(1.0),
0.001,
"test 1"
)
assertEquals( assertEquals(
0.0, 0.0,
ListPolynomial(1.0, -2.0, 1.0).substitute(1.0), ListPolynomial(1.0, -2.0, 1.0).substitute(1.0),
@ -859,7 +865,10 @@ class ListPolynomialUtilTest {
ListPolynomial(Rational(1), Rational(-2), Rational(1)).nthDerivative(RationalField, 1), ListPolynomial(Rational(1), Rational(-2), Rational(1)).nthDerivative(RationalField, 1),
"test 1" "test 1"
) )
assertFailsWith<IllegalArgumentException>("test2") { assertFailsWithTypeAndMessage<IllegalArgumentException>(
"Order of derivative must be non-negative",
"test2"
) {
ListPolynomial(Rational(1), Rational(-2), Rational(1)).nthDerivative(RationalField, -1) ListPolynomial(Rational(1), Rational(-2), Rational(1)).nthDerivative(RationalField, -1)
} }
assertEquals( assertEquals(
@ -928,7 +937,10 @@ class ListPolynomialUtilTest {
ListPolynomial(Rational(1), Rational(-2), Rational(1)).nthAntiderivative(RationalField, 1), ListPolynomial(Rational(1), Rational(-2), Rational(1)).nthAntiderivative(RationalField, 1),
"test 1" "test 1"
) )
assertFailsWith<IllegalArgumentException>("test2") { assertFailsWithTypeAndMessage<IllegalArgumentException>(
"Order of antiderivative must be non-negative",
"test2"
) {
ListPolynomial(Rational(1), Rational(-2), Rational(1)).nthAntiderivative(RationalField, -1) ListPolynomial(Rational(1), Rational(-2), Rational(1)).nthAntiderivative(RationalField, -1)
} }
assertEquals( assertEquals(