redshift: Use double for interpolation function

2014-12-27 19:30:16 -05:00
parent 46fa3566de
commit c00bcff953
1 changed files with 4 additions and 4 deletions
@@ -338,15 +338,15 @@ print_period(double elevation)
 }

 /* Interpolate value based on the specified solar elevation. */
-static float
-calculate_interpolated_value(double elevation, float day, float night)
+static double
+calculate_interpolated_value(double elevation, double day, double night)
 {
-	float result;
+	double result;
 	if (elevation < transition_low) {
 		result = night;
 	} else if (elevation < transition_high) {
 		/* Transition period: interpolate */
-		float a = (transition_low - elevation) /
+		double a = (transition_low - elevation) /
 			(transition_low - transition_high);
 		result = (1.0-a)*night + a*day;
 	} else {