added source

1 files changed, 72 insertions, 0 deletions

diff --git a/src/utilities/BaseConverter.java b/src/utilities/BaseConverter.java
new file mode 100644
index 0000000..c4fb116
--- /dev/null
+++ b/src/utilities/BaseConverter.java
@@ -0,0 +1,72 @@
+/*    */ package utilities;
+/*    */ 
+/*    */ public class BaseConverter
+/*    */ {
+/*    */   public static final String CHARACTERS = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+/*    */ 
+/*    */   public static double convertToDecimal(String original, int base)
+/*    */   {
+/* 12 */     int neg = 1;
+/* 13 */     if (original.startsWith("-")) {
+/* 14 */       original = original.substring(1);
+/* 15 */       neg = -1;
+/*    */     }
+/* 17 */     if (original.contains(".")) return neg * convertToDecimal(original, base, original.indexOf(".") - 1);
+/* 18 */     return neg * convertToDecimal(original, base, original.length() - 1);
+/*    */   }
+/*    */   private static double convertToDecimal(String original, int base, int length) {
+/* 21 */     if (base == 10) return Double.parseDouble(original);
+/* 22 */     if (base == 1) return original.length();
+/* 23 */     if (original.length() == 0) return 0.0D;
+/* 24 */     if (original.charAt(0) == '.') return convertToDecimal(original.substring(1), base, length);
+/* 25 */     return Math.pow(base, length) * "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ".indexOf(original.charAt(0)) + convertToDecimal(original.substring(1), base, length - 1);
+/*    */   }
+/*    */   public static String convertFromDecimal(double original, int base) {
+/* 28 */     if (original < 0.0D) return "-" + convertFromDecimal(-1.0D * original, base);
+/* 29 */     if ((original < 1.0D) && (original > 0.0D)) return "0" + convertFromDecimal(1.0D + original, base).substring(1);
+/* 30 */     if (base == 10) return original;
+/* 31 */     if (base == 1) {
+/* 32 */       String ret = "";
+/* 33 */       for (int i = 0; i < original; i++) ret = ret + "0";
+/* 34 */       return ret;
+/*    */     }
+/* 36 */     double pwr = nearestLog(()original, base);
+/* 37 */     String ret = "";
+/* 38 */     boolean lessThan = false;
+/* 39 */     while ((original > 1.E-09D) || (pwr >= 1.0D)) {
+/* 40 */       if ((!lessThan) && (pwr < 1.0D)) {
+/* 41 */         ret = ret + ".";
+/* 42 */         lessThan = true;
+/*    */       }
+/* 44 */       if (original >= pwr) {
+/* 45 */         ret = ret + "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ".charAt((int)(original / pwr));
+/* 46 */         original %= pwr;
+/*    */       }
+/*    */       else {
+/* 49 */         ret = ret + 0;
+/*    */       }
+/* 51 */       pwr /= base;
+/*    */     }
+/* 53 */     return ret;
+/*    */   }
+/*    */   public static String convertFromDecimal(long original, int base, long start, int digits) {
+/* 56 */     if (original < base) {
+/* 57 */       String ret = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ".charAt((int)original);
+/* 58 */       while (digits != 0) {
+/* 59 */         ret = ret + 0;
+/* 60 */         digits--;
+/*    */       }
+/* 62 */       return ret;
+/*    */     }
+/*    */ 
+/* 65 */     return "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ".charAt((int)(original / start)) + convertFromDecimal(original % start, base, start / base, digits - 1);
+/*    */   }
+/*    */   public static long nearestLog(long start, int base) {
+/* 68 */     return ()Math.pow(base, (int)(Math.log(start) / Math.log(base)));
+/*    */   }
+/*    */ }
+
+/* Location:           Modulus.jar
+ * Qualified Name:     utilities.BaseConverter
+ * JD-Core Version:    0.6.2
+ */
\ No newline at end of file