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/* */ package utilities;
/* */
/* */ import java.math.BigDecimal;
/* */ import java.math.MathContext;
/* */
/* */ public abstract class DecimalFormatter
/* */ {
/* */ private int sigFigs;
/* */ private String sigstr;
/* */ private boolean flt;
/* */
/* */ public DecimalFormatter(int sigFigs, boolean flt)
/* */ {
/* 17 */ this.sigFigs = sigFigs;
/* 18 */ this.flt = flt;
/* 19 */ this.sigstr = "";
/* 20 */ for (int i = 0; i < sigFigs + 1; i++) this.sigstr += "0";
/* */ }
/* */
/* 23 */ public String scientificNotation(BigDecimal d) { int hold = 0;
/* 24 */ boolean negatory = d.compareTo(BigDecimal.ZERO) == -1;
/* 25 */ if (negatory) d = d.abs();
/* 26 */ while (d.compareTo(BigDecimal.ONE) == -1)
/* */ {
/* 28 */ d = d.multiply(BigDecimal.TEN);
/* 29 */ hold--;
/* */ }
/* 31 */ while (d.compareTo(BigDecimal.TEN) == 1)
/* */ {
/* 33 */ d = d.divide(BigDecimal.TEN);
/* 34 */ hold++;
/* */ }
/* */
/* 37 */ String dec = roundTo(d, this.sigFigs - 1).toString();
/* 38 */ if (!this.flt) {
/* 39 */ dec = removeTrailingZeros(dec);
/* */ }
/* 41 */ return (negatory ? "-" : "") + dec.substring(0, this.sigFigs + 1) + "*10^" + hold; }
/* */
/* */ public String scientificNotation(String num) {
/* 44 */ return scientificNotation(new BigDecimal(num));
/* */ }
/* */ public String scientificNotation(double num) {
/* 47 */ return scientificNotation(new BigDecimal(num));
/* */ }
/* */ public String eNotation(BigDecimal d) {
/* 50 */ int hold = 0;
/* 51 */ boolean negatory = d.compareTo(BigDecimal.ZERO) == -1;
/* 52 */ if (negatory) d = d.abs();
/* 53 */ while (d.compareTo(BigDecimal.ONE) == -1)
/* */ {
/* 55 */ d = d.multiply(BigDecimal.TEN);
/* 56 */ hold--;
/* */ }
/* 58 */ while (d.compareTo(BigDecimal.TEN) == 1)
/* */ {
/* 60 */ d = d.divide(BigDecimal.TEN);
/* 61 */ hold++;
/* */ }
/* */
/* 64 */ String dec = roundTo(d, this.sigFigs - 1).toString();
/* 65 */ if (!this.flt) {
/* 66 */ dec = removeTrailingZeros(dec);
/* */ }
/* 68 */ return (negatory ? "-" : "") + dec + "e" + hold;
/* */ }
/* */ public static BigDecimal roundTo(BigDecimal b, int to) {
/* 71 */ b = b.movePointRight(to);
/* 72 */ b = b.round(MathContext.DECIMAL64);
/* 73 */ b = b.movePointLeft(to);
/* 74 */ return b;
/* */ }
/* */ public String eNotation(String num) {
/* 77 */ return eNotation(new BigDecimal(num));
/* */ }
/* */ public String eNotation(double num) {
/* 80 */ return eNotation(new BigDecimal(num));
/* */ }
/* */ public String getSigFigs(String num) {
/* 83 */ boolean rec = false;
/* 84 */ String ret = "";
/* 85 */ int cnt = 0;
/* 86 */ for (int i = 0; (i < num.length()) && (cnt < this.sigFigs); i++) {
/* 87 */ ret = ret + num.charAt(i);
/* 88 */ if ((num.charAt(i) != '0') && (num.charAt(i) != '.') && (!rec)) rec = true;
/* 89 */ if (rec) cnt++;
/* */ }
/* 91 */ return ret;
/* */ }
/* */ private static String removeTrailingZeros(String str) {
/* 94 */ if (!str.contains(".")) return str;
/* 95 */ for (int i = str.length() - 1; i >= 0; i--) {
/* 96 */ if (str.charAt(i) != '0')
/* 97 */ return str.substring(0, i + 1);
/* */ }
/* 99 */ return str;
/* */ }
/* */ public abstract String format(String paramString);
/* */
/* 103 */ public void setFigs(int sigFigs) { this.sigFigs = sigFigs;
/* 104 */ this.sigstr = "";
/* 105 */ for (int i = 0; i < sigFigs + 1; i++) this.sigstr += "0";
/* */ }
/* */ }
/* Location: Modulus.jar
* Qualified Name: utilities.DecimalFormatter
* JD-Core Version: 0.6.2
*/
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