clamp average direction degree results to (0, 360]

cdzombak · cdzombak · commit 786593cdbda1 · 2025-01-20T08:53:46.000-05:00
diff --git a/libwx.go b/libwx.go
@@ -282,7 +282,7 @@ func HeatIndexWarningC(heatIndex TempC) HeatIndexWarning {
 // AvgDirectionDeg calculates the circular mean of the given set of angles (in degrees).
 // This is useful to find e.g. the average wind direction.
 func AvgDirectionDeg(degrees []Degree) Degree {
-	return radToDeg(circularMean(degToRadSlice(clampedDegSlice(degrees)), nil))
+	return radToDeg(circularMean(degToRadSlice(clampedDegSlice(degrees)), nil)).Clamped()
 }
 
 // WeightedAvgDirectionDeg calculates the weighted circular mean of the given set of angles (in degrees).
@@ -291,7 +291,7 @@ func WeightedAvgDirectionDeg(degrees []Degree, weights []float64) (Degree, error
 	if len(degrees) != len(weights) {
 		return 0.0, ErrMismatchedInputLength
 	}
-	return radToDeg(circularMean(degToRadSlice(clampedDegSlice(degrees)), weights)), nil
+	return radToDeg(circularMean(degToRadSlice(clampedDegSlice(degrees)), weights)).Clamped(), nil
 }
 
 // StdDevDirectionDeg calculates the circular standard deviation of the given set of angles (in degrees).

Original file line number	Diff line number	Diff line change
`@@ -282,7 +282,7 @@ func HeatIndexWarningC(heatIndex TempC) HeatIndexWarning {`
`282`	`282`	`// AvgDirectionDeg calculates the circular mean of the given set of angles (in degrees).`
`283`	`283`	`// This is useful to find e.g. the average wind direction.`
`284`	`284`	`func AvgDirectionDeg(degrees []Degree) Degree {`
`285`		`- return radToDeg(circularMean(degToRadSlice(clampedDegSlice(degrees)), nil))`
	`285`	`+ return radToDeg(circularMean(degToRadSlice(clampedDegSlice(degrees)), nil)).Clamped()`
`286`	`286`	`}`
`287`	`287`
`288`	`288`	`// WeightedAvgDirectionDeg calculates the weighted circular mean of the given set of angles (in degrees).`
`@@ -291,7 +291,7 @@ func WeightedAvgDirectionDeg(degrees []Degree, weights []float64) (Degree, error`
`291`	`291`	`if len(degrees) != len(weights) {`
`292`	`292`	`return 0.0, ErrMismatchedInputLength`
`293`	`293`	`}`
`294`		`- return radToDeg(circularMean(degToRadSlice(clampedDegSlice(degrees)), weights)), nil`
	`294`	`+ return radToDeg(circularMean(degToRadSlice(clampedDegSlice(degrees)), weights)).Clamped(), nil`
`295`	`295`	`}`
`296`	`296`
`297`	`297`	`// StdDevDirectionDeg calculates the circular standard deviation of the given set of angles (in degrees).`