kscience/maps-kt
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Fix Angle inversion

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Alexander Nozik 2022-09-11 21:16:48 +03:00
parent 8429577fd8
commit 8e143eb81c
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2 changed files with 14 additions and 2 deletions
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4
maps-kt-core/src/commonMain/kotlin/center/sciprog/maps/coordinates/Angle.kt
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@ -85,8 +85,8 @@ public val Number.degrees: Degrees get() = Degrees(toDouble())
* Normalized angle to (0, 2PI) for radians or (0, 360) for degrees. * Normalized angle to (0, 2PI) for radians or (0, 360) for degrees.
*/ */
public fun Angle.normalized(): Angle = when (this) { public fun Angle.normalized(): Angle = when (this) {
is Degrees -> (value + 180.0).rem(360.0).degrees is Degrees -> value.mod(360.0).degrees
is Radians -> (value + PI).rem(PI * 2).radians is Radians -> value.mod(PI * 2).radians
} }
public fun abs(angle: Angle): Angle = if (angle < Angle.zero) -angle else angle public fun abs(angle: Angle): Angle = if (angle < Angle.zero) -angle else angle

12
maps-kt-core/src/commonTest/kotlin/center/sciprog/maps/coordinates/AngleTest.kt Normal file
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@ -0,0 +1,12 @@
package center.sciprog.maps.coordinates
import kotlin.test.Test
import kotlin.test.assertEquals
class AngleTest {
@Test
fun normalization(){
assertEquals(30.degrees, 390.degrees.normalized())
assertEquals(30.degrees, (-330).degrees.normalized())
}
}