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Kotlin - Complex Numbers Complex

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This commit is contained in:
Anthony Cicchetti 2017-08-13 18:03:16 -04:00
parent 0c837c9284
commit 28b0a6a05a
2 changed files with 30 additions and 32 deletions
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4
kotlin/complex-numbers/src/main/kotlin/ComplexNumber.kt
View file

@ -43,11 +43,9 @@ data class ComplexNumber(val real: Double = 0.0, val imag: Double = 0.0){
}
}
// This implementation is silly, there is no documentation for it
fun exponential(num: ComplexNumber): ComplexNumber{
val x = num.real
val y = num.imag
return ComplexNumber(real = Math.pow(Math.E, x), imag = 1.0) * ComplexNumber(real = 1.0, imag = Math.pow(Math.E, y))
return ComplexNumber(real = Math.pow(Math.E, x), imag = 0.0) * ComplexNumber(real = Math.cos(y), imag = Math.sin(y))
}

58
kotlin/complex-numbers/src/test/kotlin/ComplexNumberTest.kt
View file

@ -31,7 +31,7 @@ class ComplexNumberTest {
assertComplexNumbersEqual(expected, actual)
}
@Ignore
@Test
fun testAdditionWithPurelyRealNumbers() {
val expected = ComplexNumber(real = 3.0)
@ -39,7 +39,7 @@ class ComplexNumberTest {
assertComplexNumbersEqual(expected, actual)
}
@Ignore
@Test
fun testAdditionWithPurelyImaginaryNumbers() {
val expected = ComplexNumber(imag = 3.0)
@ -47,7 +47,7 @@ class ComplexNumberTest {
assertComplexNumbersEqual(expected, actual)
}
@Ignore
@Test
fun testAdditionWithRealAndImaginaryParts() {
val expected = ComplexNumber(real = 4.0, imag = 6.0)
@ -55,7 +55,7 @@ class ComplexNumberTest {
assertComplexNumbersEqual(expected, actual)
}
@Ignore
@Test
fun testSubtractionWithPurelyRealNumbers() {
val expected = ComplexNumber(real = -1.0, imag = 0.0)
@ -63,7 +63,7 @@ class ComplexNumberTest {
assertComplexNumbersEqual(expected, actual)
}
@Ignore
@Test
fun testSubtractionWithPurelyImaginaryNumbers() {
val expected = ComplexNumber(imag = -1.0)
@ -71,7 +71,7 @@ class ComplexNumberTest {
assertComplexNumbersEqual(expected, actual)
}
@Ignore
@Test
fun testSubtractionWithRealAndImaginaryParts() {
val expected = ComplexNumber(real = -2.0, imag = -2.0)
@ -79,7 +79,7 @@ class ComplexNumberTest {
assertComplexNumbersEqual(expected, actual)
}
@Ignore
@Test
fun testMultiplicationWithPurelyRealNumbers() {
val expected = ComplexNumber(real = 2.0)
@ -87,7 +87,7 @@ class ComplexNumberTest {
assertComplexNumbersEqual(expected, actual)
}
@Ignore
@Test
fun testMultiplicationWithPurelyImaginaryNumbers() {
val expected = ComplexNumber(real = -2.0)
@ -95,7 +95,7 @@ class ComplexNumberTest {
assertComplexNumbersEqual(expected, actual)
}
@Ignore
@Test
fun testMultiplicationWithRealAndImaginaryParts() {
val expected = ComplexNumber(real = -5.0, imag = 10.0)
@ -103,7 +103,7 @@ class ComplexNumberTest {
assertComplexNumbersEqual(expected, actual)
}
@Ignore
@Test
fun testDivisionWithPurelyRealNumbers() {
val expected = ComplexNumber(real = 0.5)
@ -111,7 +111,7 @@ class ComplexNumberTest {
assertComplexNumbersEqual(expected, actual)
}
@Ignore
@Test
fun testDivisionWithPurelyImaginaryNumbers() {
val expected = ComplexNumber(real = 0.5)
@ -119,7 +119,7 @@ class ComplexNumberTest {
assertComplexNumbersEqual(expected, actual)
}
@Ignore
@Test
fun testDivisionWithRealAndImaginaryParts() {
val expected = ComplexNumber(real = 0.44, imag = 0.08)
@ -127,7 +127,7 @@ class ComplexNumberTest {
assertComplexNumbersEqual(expected, actual)
}
@Ignore
@Test
fun testAbsoluteValueOfPositivePurelyRealNumber() {
val expected = 5.0
@ -135,7 +135,7 @@ class ComplexNumberTest {
assertDoublesEqual(expected, actual)
}
@Ignore
@Test
fun testAbsoluteValueOfNegativePurelyRealNumber() {
val expected = 5.0
@ -143,7 +143,7 @@ class ComplexNumberTest {
assertDoublesEqual(expected, actual)
}
@Ignore
@Test
fun testAbsoluteValueOfPurelyImaginaryNumberWithPositiveImaginaryPart() {
val expected = 5.0
@ -151,7 +151,7 @@ class ComplexNumberTest {
assertDoublesEqual(expected, actual)
}
@Ignore
@Test
fun testAbsoluteValueOfPurelyImaginaryNumberWithNegativeImaginaryPart() {
val expected = 5.0
@ -159,7 +159,7 @@ class ComplexNumberTest {
assertDoublesEqual(expected, actual)
}
@Ignore
@Test
fun testAbsoluteValueOfNumberWithRealAndImaginaryParts() {
val expected = 5.0
@ -167,7 +167,7 @@ class ComplexNumberTest {
assertDoublesEqual(expected, actual)
}
@Ignore
@Test
fun testConjugationOfPurelyRealNumber() {
val expected = ComplexNumber(real = 5.0)
@ -175,7 +175,7 @@ class ComplexNumberTest {
assertComplexNumbersEqual(expected, actual)
}
@Ignore
@Test
fun testConjugationOfPurelyImaginaryNumber() {
val expected = ComplexNumber(imag = -5.0)
@ -183,7 +183,7 @@ class ComplexNumberTest {
assertComplexNumbersEqual(expected, actual)
}
@Ignore
@Test
fun testConjugationOfNumberWithRealAndImaginaryParts() {
val expected = ComplexNumber(real = 1.0, imag = -1.0)
@ -191,7 +191,7 @@ class ComplexNumberTest {
assertComplexNumbersEqual(expected, actual)
}
@Ignore
@Test
fun testRealPartOfPurelyRealNumber() {
val expected = 1.0
@ -199,7 +199,7 @@ class ComplexNumberTest {
assertDoublesEqual(expected, actual)
}
@Ignore
@Test
fun testRealPartOfPurelyImaginaryNumber() {
val expected = 0.0
@ -207,7 +207,7 @@ class ComplexNumberTest {
assertDoublesEqual(expected, actual)
}
@Ignore
@Test
fun testRealPartOfNumberWithRealAndImaginaryParts() {
val expected = 1.0
@ -215,7 +215,7 @@ class ComplexNumberTest {
assertDoublesEqual(expected, actual)
}
@Ignore
@Test
fun testImaginaryPartOfPurelyRealNumber() {
val expected = 0.0
@ -223,7 +223,7 @@ class ComplexNumberTest {
assertDoublesEqual(expected, actual)
}
@Ignore
@Test
fun testImaginaryPartOfPurelyImaginaryNumber() {
val expected = 1.0
@ -231,7 +231,7 @@ class ComplexNumberTest {
assertDoublesEqual(expected, actual)
}
@Ignore
@Test
fun testImaginaryPartOfNumberWithRealAndImaginaryParts() {
val expected = 2.0
@ -239,7 +239,7 @@ class ComplexNumberTest {
assertDoublesEqual(expected, actual)
}
@Ignore
@Test
fun testExponentialOfPurelyImaginaryNumber() {
val expected = ComplexNumber(real = -1.0)
@ -247,7 +247,7 @@ class ComplexNumberTest {
assertComplexNumbersEqual(expected, actual)
}
@Ignore
@Test
fun testExponentialOfZero() {
val expected = ComplexNumber(real = 1.0)
@ -255,7 +255,7 @@ class ComplexNumberTest {
assertComplexNumbersEqual(expected, actual)
}
@Ignore
@Test
fun testExponentialOfPurelyRealNumber() {
val expected = ComplexNumber(real = Math.E)