update Debian standards version we claim compliance with

[fw/altos] / altoslib / AltosConvert.java

diff --git a/altoslib/AltosConvert.java b/altoslib/AltosConvert.java
index 760d9eb98c273a0501f15aad1e09b4dc6a6dca67..8d0b74ddf475051c3d587edab328ddf28a6d3a5c 100644 (file)
--- a/altoslib/AltosConvert.java
+++ b/altoslib/AltosConvert.java
@@ -290,10 +290,18 @@ public class AltosConvert {
                return meters_to_feet(meters) / 5280;
        }
 
+       public static double miles_to_meters(double miles) {
+               return feet_to_meters(miles * 5280);
+       }
+
        public static double meters_to_mph(double mps) {
                return meters_to_miles(mps) * 3600;
        }
 
+       public static double mph_to_meters(double mps) {
+               return miles_to_meters(mps) / 3600;
+       }
+
        public static double meters_to_mach(double meters) {
                return meters / 343;            /* something close to mach at usual rocket sites */
        }
@@ -306,6 +314,10 @@ public class AltosConvert {
                return c * 9/5 + 32;
        }
 
+       public static double f_to_c(double c) {
+               return (c - 32) * 5/9;
+       }
+
        public static boolean imperial_units = false;
 
        public static AltosDistance distance = new AltosDistance();