make scaleDoubleToQuantum pure and nothrow.

1 files changed, 2 insertions, 2 deletions

diff --git a/dmagick/Color.d b/dmagick/Color.d
index 11841c5..0ddd59a 100644
--- a/dmagick/Color.d
+++ b/dmagick/Color.d
@@ -288,12 +288,12 @@ class Color
 		assert( color.name == "red" );
 	}
 
-	static Quantum scaleDoubleToQuantum(double value)
+	static pure nothrow Quantum scaleDoubleToQuantum(double value)
 	{
 		return cast(Quantum)(value*QuantumRange);
 	}
 
-	static double scaleQuantumToDouble(Quantum value)
+	static pure nothrow double scaleQuantumToDouble(Quantum value)
 	{
 		return (cast(double)value)/QuantumRange;
 	}