use of org.apache.commons.lang3.math.Fraction in project symja_android_library by axkr.
the class Pods method createResult.
public static ObjectNode createResult(String inputStr, int formats, boolean strictSymja) {
ObjectNode messageJSON = JSON_OBJECT_MAPPER.createObjectNode();
ObjectNode queryresult = JSON_OBJECT_MAPPER.createObjectNode();
messageJSON.putPOJO("queryresult", queryresult);
queryresult.put("success", "false");
queryresult.put("error", "false");
queryresult.put("numpods", 0);
queryresult.put("version", "0.1");
boolean error = false;
int numpods = 0;
IExpr inExpr = S.Null;
IExpr outExpr = S.Null;
EvalEngine engine = EvalEngine.get();
ArrayNode podsArray = JSON_OBJECT_MAPPER.createArrayNode();
if (strictSymja) {
engine.setPackageMode(false);
final ExprParser parser = new ExprParser(engine, true);
try {
inExpr = parser.parse(inputStr);
if (inExpr.isPresent()) {
long numberOfLeaves = inExpr.leafCount();
if (numberOfLeaves < Config.MAX_INPUT_LEAVES) {
outExpr = inExpr;
final StringWriter errorWriter = new StringWriter();
WriterOutputStream werrors = new WriterOutputStream(errorWriter);
PrintStream errors = new PrintStream(werrors);
IExpr firstEval = F.NIL;
try (ThreadLocalNotifierClosable c = setLogEventNotifier(errors)) {
engine.setErrorPrintStream(errors);
firstEval = engine.evaluateNIL(inExpr);
} finally {
engine.setErrorPrintStream(null);
}
addSymjaPod(podsArray, inExpr, inExpr, "Input", "Identity", formats, engine);
numpods++;
String errorString = "";
if (firstEval.isPresent()) {
outExpr = firstEval;
} else {
errorString = errorWriter.toString().trim();
}
outExpr = engine.evaluate(inExpr);
if (outExpr instanceof GraphExpr) {
String javaScriptStr = GraphFunctions.graphToJSForm((GraphExpr) outExpr);
if (javaScriptStr != null) {
String html = VISJS_IFRAME;
html = StringUtils.replace(html, "`1`", javaScriptStr);
html = //
StringUtils.replace(//
html, //
"`2`", //
" var options = { };\n");
// html = StringEscapeUtils.escapeHtml4(html);
int form = internFormat(SYMJA, "visjs");
addPod(podsArray, inExpr, outExpr, html, "Graph data", "Graph", form, engine);
numpods++;
} else {
addSymjaPod(podsArray, inExpr, outExpr, errorString, "Evaluated result", "Expression", formats, engine, true);
numpods++;
}
} else {
addSymjaPod(podsArray, inExpr, outExpr, errorString, "Evaluated result", "Expression", formats, engine, true);
numpods++;
}
resultStatistics(queryresult, error, numpods, podsArray);
return messageJSON;
}
}
} catch (SyntaxError serr) {
// this includes syntax errors
LOGGER.debug("Pods.createResult() failed", serr);
return errorJSON("0", serr.getMessage());
}
queryresult.put("error", error ? "true" : "false");
return messageJSON;
}
inExpr = parseInput(inputStr, engine);
if (inExpr.isPresent()) {
long numberOfLeaves = inExpr.leafCount();
if (numberOfLeaves < Config.MAX_INPUT_LEAVES) {
outExpr = inExpr;
final StringWriter errorWriter = new StringWriter();
WriterOutputStream werrors = new WriterOutputStream(errorWriter);
PrintStream errors = new PrintStream(werrors);
IExpr firstEval = F.NIL;
try (ThreadLocalNotifierClosable c = setLogEventNotifier(errors)) {
engine.setErrorPrintStream(errors);
firstEval = engine.evaluateNIL(inExpr);
} finally {
engine.setErrorPrintStream(null);
}
addSymjaPod(podsArray, inExpr, inExpr, "Input", "Identity", formats, engine);
numpods++;
String errorString = "";
if (firstEval.isPresent()) {
outExpr = firstEval;
} else {
errorString = errorWriter.toString().trim();
}
IExpr podOut = outExpr;
IExpr numExpr = F.NIL;
IExpr evaledNumExpr = F.NIL;
if (outExpr.isNumericFunction(true)) {
numExpr = inExpr.isAST(S.N) ? inExpr : F.N(inExpr);
evaledNumExpr = engine.evaluate(F.N(outExpr));
}
if (outExpr.isNumber() || outExpr.isQuantity()) {
if (outExpr.isInteger()) {
numpods += integerPods(podsArray, inExpr, (IInteger) outExpr, formats, engine);
resultStatistics(queryresult, error, numpods, podsArray);
return messageJSON;
} else {
podOut = outExpr;
if (outExpr.isRational()) {
addSymjaPod(podsArray, inExpr, podOut, "Exact result", "Rational", formats, engine);
numpods++;
}
if (//
numExpr.isPresent() && (evaledNumExpr.isInexactNumber() || evaledNumExpr.isQuantity())) {
addSymjaPod(podsArray, numExpr, evaledNumExpr, "Decimal form", "Numeric", formats, engine);
numpods++;
if (!outExpr.isRational()) {
if (evaledNumExpr.isInexactNumber()) {
inExpr = F.Rationalize(evaledNumExpr);
podOut = engine.evaluate(inExpr);
addSymjaPod(podsArray, inExpr, podOut, "Rational form", "Numeric", formats, engine);
numpods++;
}
}
}
if (outExpr.isFraction()) {
IFraction frac = (IFraction) outExpr;
if (!frac.integerPart().equals(F.C0)) {
inExpr = F.List(F.IntegerPart(outExpr), F.FractionalPart(outExpr));
podOut = engine.evaluate(inExpr);
String plaintext = podOut.first().toString() + " " + podOut.second().toString();
addSymjaPod(podsArray, inExpr, podOut, plaintext, "Mixed fraction", "Rational", formats, engine);
numpods++;
inExpr = F.ContinuedFraction(outExpr);
podOut = engine.evaluate(inExpr);
StringBuilder plainBuf = new StringBuilder();
if (podOut.isNonEmptyList()) {
IAST list = (IAST) podOut;
plainBuf.append('[');
plainBuf.append(list.arg1().toString());
plainBuf.append(';');
for (int i = 2; i < list.size(); i++) {
plainBuf.append(' ');
plainBuf.append(list.get(i).toString());
if (i < list.size() - 1) {
plainBuf.append(',');
}
}
plainBuf.append(']');
}
addSymjaPod(podsArray, inExpr, podOut, plainBuf.toString(), "Continued fraction", "ContinuedFraction", formats, engine);
numpods++;
}
}
resultStatistics(queryresult, error, numpods, podsArray);
return messageJSON;
}
} else {
if (outExpr.isAST(S.Plot, 2) && outExpr.first().isList()) {
outExpr = outExpr.first();
}
if (outExpr.isList()) {
IAST list = (IAST) outExpr;
ListPod listPod = new ListPod(list);
numpods += listPod.addJSON(podsArray, formats, engine);
}
if (//
numExpr.isPresent() && (evaledNumExpr.isInexactNumber() || evaledNumExpr.isQuantity())) {
addSymjaPod(podsArray, numExpr, evaledNumExpr, "Decimal form", "Numeric", formats, engine);
numpods++;
}
if (outExpr.isSymbol() || outExpr.isString()) {
String inputWord = outExpr.toString();
StringBuilder buf = new StringBuilder();
// }
if (outExpr.isSymbol() && Documentation.getMarkdown(buf, inputWord)) {
numpods += DocumentationPod.addDocumentationPod(new DocumentationPod((ISymbol) outExpr), podsArray, buf, formats);
resultStatistics(queryresult, error, numpods, podsArray);
return messageJSON;
} else {
if (outExpr.isString()) {
int mimeTyp = ((IStringX) outExpr).getMimeType();
if (mimeTyp == IStringX.APPLICATION_SYMJA || mimeTyp == IStringX.APPLICATION_JAVA || mimeTyp == IStringX.APPLICATION_JAVASCRIPT) {
String html = toHighligthedCode(outExpr.toString());
addSymjaPod(podsArray, inExpr, F.NIL, html, "Result", "String form", HTML, engine);
numpods++;
resultStatistics(queryresult, error, numpods, podsArray);
return messageJSON;
} else if (outExpr.isString()) {
podOut = outExpr;
addSymjaPod(podsArray, inExpr, podOut, "String form", "String", formats, engine);
numpods++;
}
}
ArrayList<IPod> soundsLike = listOfPods(inputWord);
if (soundsLike != null) {
boolean evaled = false;
for (int i = 0; i < soundsLike.size(); i++) {
IPod pod = soundsLike.get(i);
if (pod.keyWord().equalsIgnoreCase(inputWord)) {
int numberOfEntries = pod.addJSON(podsArray, formats, engine);
if (numberOfEntries > 0) {
numpods += numberOfEntries;
evaled = true;
break;
}
}
}
if (!evaled) {
for (int i = 0; i < soundsLike.size(); i++) {
IPod pod = soundsLike.get(i);
int numberOfEntries = pod.addJSON(podsArray, formats, engine);
if (numberOfEntries > 0) {
numpods += numberOfEntries;
}
}
}
resultStatistics(queryresult, error, numpods, podsArray);
return messageJSON;
}
}
} else {
if (inExpr.isAST(S.D, 2, 3)) {
if (inExpr.isAST1()) {
VariablesSet varSet = new VariablesSet(inExpr.first());
IAST variables = varSet.getVarList();
IASTAppendable result = ((IAST) inExpr).copyAppendable();
result.appendArgs(variables);
inExpr = result;
}
outExpr = engine.evaluate(inExpr);
podOut = outExpr;
addSymjaPod(podsArray, inExpr, podOut, "Derivative", "Derivative", formats, engine);
numpods++;
if (!outExpr.isFreeAST(x -> x.isTrigFunction())) {
inExpr = F.TrigToExp(outExpr);
podOut = engine.evaluate(inExpr);
// if (!S.PossibleZeroQ.ofQ(engine, F.Subtract(podOut, outExpr))) {
if (!podOut.equals(outExpr)) {
addSymjaPod(//
podsArray, inExpr, podOut, "Alternate form", "Simplification", formats, engine);
numpods++;
}
}
resultStatistics(queryresult, error, numpods, podsArray);
return messageJSON;
} else if (inExpr.isAST(S.Integrate, 2, 3)) {
if (inExpr.isAST1()) {
VariablesSet varSet = new VariablesSet(inExpr.first());
IAST variables = varSet.getVarList();
IASTAppendable result = ((IAST) inExpr).copyAppendable();
result.appendArgs(variables);
inExpr = result;
}
outExpr = engine.evaluate(inExpr);
podOut = outExpr;
addSymjaPod(podsArray, inExpr, podOut, "Integration", "Integral", formats, engine);
numpods++;
if (!outExpr.isFreeAST(x -> x.isTrigFunction())) {
inExpr = F.TrigToExp(outExpr);
podOut = engine.evaluate(inExpr);
if (!podOut.equals(outExpr)) {
addSymjaPod(podsArray, inExpr, podOut, "Alternate form", "Simplification", formats, engine);
numpods++;
}
}
resultStatistics(queryresult, error, numpods, podsArray);
return messageJSON;
} else if (inExpr.isAST(S.Solve, 2, 4)) {
if (inExpr.isAST1()) {
VariablesSet varSet = new VariablesSet(inExpr.first());
IAST variables = varSet.getVarList();
IASTAppendable result = ((IAST) inExpr).copyAppendable();
result.append(variables);
inExpr = result;
}
outExpr = engine.evaluate(inExpr);
podOut = outExpr;
addSymjaPod(podsArray, inExpr, podOut, "Solve equation", "Solver", formats, engine);
numpods++;
if (!outExpr.isFreeAST(x -> x.isTrigFunction())) {
inExpr = F.TrigToExp(outExpr);
podOut = engine.evaluate(inExpr);
// if (!S.PossibleZeroQ.ofQ(engine, F.Subtract(podOut, outExpr))) {
if (!podOut.equals(outExpr)) {
addSymjaPod(//
podsArray, inExpr, podOut, "Alternate form", "Simplification", formats, engine);
numpods++;
}
}
resultStatistics(queryresult, error, numpods, podsArray);
return messageJSON;
} else {
IExpr expr = inExpr;
if (outExpr.isAST(S.JSFormData, 3)) {
podOut = outExpr;
int form = internFormat(SYMJA, podOut.second().toString());
addPod(podsArray, inExpr, podOut, podOut.first().toString(), StringFunctions.inputForm(inExpr), "Function", "Plotter", form, engine);
numpods++;
} else if (outExpr instanceof GraphExpr) {
String javaScriptStr = GraphFunctions.graphToJSForm((GraphExpr) outExpr);
if (javaScriptStr != null) {
String html = VISJS_IFRAME;
html = StringUtils.replace(html, "`1`", javaScriptStr);
html = //
StringUtils.replace(//
html, //
"`2`", //
" var options = { };\n");
// html = StringEscapeUtils.escapeHtml4(html);
int form = internFormat(SYMJA, "visjs");
addPod(podsArray, inExpr, podOut, html, "Graph data", "Graph", form, engine);
numpods++;
}
} else {
IExpr head = outExpr.head();
if (head instanceof IBuiltInSymbol && outExpr.size() > 1) {
IEvaluator evaluator = ((IBuiltInSymbol) head).getEvaluator();
if (evaluator instanceof IDistribution) {
// if (evaluator instanceof IDiscreteDistribution) {
int snumpods = statisticsPods(podsArray, (IAST) outExpr, podOut, formats, engine);
numpods += snumpods;
}
}
VariablesSet varSet = new VariablesSet(outExpr);
IAST variables = varSet.getVarList();
if (outExpr.isBooleanFormula()) {
numpods += booleanPods(podsArray, outExpr, variables, formats, engine);
}
if (outExpr.isAST(S.Equal, 3)) {
IExpr arg1 = outExpr.first();
IExpr arg2 = outExpr.second();
if (//
arg1.isNumericFunction(varSet) && arg2.isNumericFunction(varSet)) {
if (variables.argSize() == 1) {
IExpr plot2D = F.Plot(F.List(arg1, arg2), F.List(variables.arg1(), F.num(-20), F.num(20)));
podOut = engine.evaluate(plot2D);
if (podOut.isAST(S.JSFormData, 3)) {
int form = internFormat(SYMJA, podOut.second().toString());
addPod(podsArray, inExpr, podOut, podOut.first().toString(), StringFunctions.inputForm(plot2D), "Function", "Plotter", form, engine);
numpods++;
}
}
if (!arg1.isZero() && !arg2.isZero()) {
inExpr = F.Equal(engine.evaluate(F.Subtract(arg1, arg2)), F.C0);
podOut = inExpr;
addSymjaPod(podsArray, inExpr, podOut, "Alternate form", "Simplification", formats, engine);
numpods++;
}
inExpr = F.Solve(F.binaryAST2(S.Equal, arg1, arg2), variables);
podOut = engine.evaluate(inExpr);
addSymjaPod(podsArray, inExpr, podOut, "Solution", "Reduce", formats, engine);
numpods++;
}
resultStatistics(queryresult, error, numpods, podsArray);
return messageJSON;
} else {
if (!inExpr.equals(outExpr)) {
addSymjaPod(podsArray, inExpr, outExpr, "Result", "Identity", formats, engine);
numpods++;
}
}
boolean isNumericFunction = outExpr.isNumericFunction(varSet);
if (isNumericFunction) {
if (variables.argSize() == 1) {
IExpr plot2D = F.Plot(outExpr, F.List(variables.arg1(), F.num(-7), F.num(7)));
podOut = engine.evaluate(plot2D);
if (podOut.isAST(S.JSFormData, 3)) {
int form = internFormat(SYMJA, podOut.second().toString());
addPod(podsArray, inExpr, podOut, podOut.first().toString(), StringFunctions.inputForm(plot2D), "Function", "Plotter", form, engine);
numpods++;
}
} else if (variables.argSize() == 2) {
IExpr plot3D = F.Plot3D(outExpr, F.List(variables.arg1(), F.num(-3.5), F.num(3.5)), F.List(variables.arg2(), F.num(-3.5), F.num(3.5)));
podOut = engine.evaluate(plot3D);
if (podOut.isAST(S.JSFormData, 3)) {
int form = internFormat(SYMJA, podOut.second().toString());
addPod(podsArray, inExpr, podOut, podOut.first().toString(), StringFunctions.inputForm(plot3D), "3D plot", "Plot", form, engine);
numpods++;
}
}
}
if (!outExpr.isFreeAST(x -> x.isTrigFunction())) {
inExpr = F.TrigToExp(outExpr);
podOut = engine.evaluate(inExpr);
// {
if (!podOut.equals(outExpr)) {
addSymjaPod(podsArray, inExpr, podOut, "Alternate form", "Simplification", formats, engine);
numpods++;
}
}
if (isNumericFunction && variables.argSize() == 1) {
if (outExpr.isPolynomial(variables) && !outExpr.isAtom()) {
inExpr = F.Factor(outExpr);
podOut = engine.evaluate(inExpr);
addSymjaPod(podsArray, inExpr, podOut, "Factor", "Polynomial", formats, engine);
numpods++;
IExpr x = variables.first();
inExpr = F.Minimize(outExpr, x);
podOut = engine.evaluate(inExpr);
if (podOut.isAST(S.List, 3) && podOut.first().isNumber() && podOut.second().isAST(S.List, 2)) {
IExpr rule = podOut.second().first();
if (rule.isRule()) {
StringBuilder buf = new StringBuilder();
buf.append("min{");
buf.append(outExpr.toString());
buf.append("} = ");
buf.append(podOut.first());
buf.append(" at ");
buf.append(rule.first().toString());
buf.append(" = ");
buf.append(rule.second().toString());
addSymjaPod(podsArray, inExpr, podOut, buf.toString(), "GlobalExtrema", "GlobalMinimum", formats, engine);
numpods++;
}
}
inExpr = F.Maximize(outExpr, x);
podOut = engine.evaluate(inExpr);
if (podOut.isAST(S.List, 3) && podOut.first().isNumber() && podOut.second().isAST(S.List, 2)) {
IExpr rule = podOut.second().first();
if (rule.isRule()) {
StringBuilder buf = new StringBuilder();
buf.append("max{");
buf.append(outExpr.toString());
buf.append("} = ");
buf.append(podOut.first());
buf.append(" at ");
buf.append(rule.first().toString());
buf.append(" = ");
buf.append(rule.second().toString());
addSymjaPod(podsArray, inExpr, podOut, buf.toString(), "GlobalExtrema", "GlobalMaximum", formats, engine);
numpods++;
}
}
}
inExpr = F.D(outExpr, variables.arg1());
podOut = engine.evaluate(inExpr);
addSymjaPod(podsArray, inExpr, podOut, "Derivative", "Derivative", formats, engine);
numpods++;
inExpr = F.Integrate(outExpr, variables.arg1());
podOut = engine.evaluate(inExpr);
addSymjaPod(podsArray, inExpr, podOut, "Indefinite integral", "Integral", formats, engine);
numpods++;
}
}
if (numpods == 1) {
// only Identity pod was appended
if (//
errorString.length() == 0 && !firstEval.isPresent()) {
addSymjaPod(podsArray, expr, outExpr, "Evaluated result", "Expression", formats, engine);
numpods++;
} else {
addSymjaPod(podsArray, expr, outExpr, errorString, "Evaluated result", "Expression", formats, engine, true);
numpods++;
}
}
resultStatistics(queryresult, error, numpods, podsArray);
return messageJSON;
}
}
}
if (numpods > 0) {
resultStatistics(queryresult, error, numpods, podsArray);
return messageJSON;
}
}
}
queryresult.put("error", error ? "true" : "false");
return messageJSON;
}
use of org.apache.commons.lang3.math.Fraction in project pyramid by cheng-li.
the class AbstractRobustCBMOptimizer method skipOrUpdateBinaryClassifier.
protected void skipOrUpdateBinaryClassifier(int component, int label, List<Integer> activeIndices, MultiLabelClfDataSet activeDataSet, double totalWeight) {
StopWatch stopWatch = new StopWatch();
stopWatch.start();
double effectivePositives = effectivePositives(component, label);
double nonSmoothedPositiveProb = effectivePositives / totalWeight;
// smooth the component-wise label fraction with global label fraction
double smoothedPositiveProb = (effectivePositives + smoothingStrength * positiveCounts[label]) / (totalWeight + smoothingStrength * dataSet.getNumDataPoints());
StringBuilder sb = new StringBuilder();
sb.append("for component ").append(component).append(", label ").append(label);
sb.append(", weighted positives = ").append(effectivePositives);
sb.append(", non-smoothed positive fraction = " + (effectivePositives / totalWeight));
sb.append(", global positive fraction = " + ((double) positiveCounts[label] / dataSet.getNumDataPoints()));
sb.append(", smoothed positive fraction = " + smoothedPositiveProb);
// it be happen that p >1 for numerical reasons
if (smoothedPositiveProb >= 1) {
smoothedPositiveProb = 1;
}
if (nonSmoothedPositiveProb < skipLabelThreshold || nonSmoothedPositiveProb > 1 - skipLabelThreshold) {
double[] probs = { 1 - smoothedPositiveProb, smoothedPositiveProb };
cbm.binaryClassifiers[component][label] = new PriorProbClassifier(probs);
sb.append(", skip, use prior = ").append(smoothedPositiveProb);
sb.append(", time spent = ").append(stopWatch.toString());
if (logger.isDebugEnabled()) {
logger.debug(sb.toString());
}
return;
}
if (logger.isDebugEnabled()) {
logger.debug(sb.toString());
}
double[] activeInstanceWeights = activeIndices.stream().mapToDouble(i -> gammas[i][component] * noiseLabelWeights[i][label]).toArray();
updateBinaryClassifier(component, label, activeDataSet, activeInstanceWeights);
}
use of org.apache.commons.lang3.math.Fraction in project pyramid by cheng-li.
the class AbstractRecoverCBMOptimizer method skipOrUpdateBinaryClassifier.
protected void skipOrUpdateBinaryClassifier(int component, int label, MultiLabelClfDataSet activeDataSet, double[] activeGammas, double totalWeight) {
StopWatch stopWatch = new StopWatch();
stopWatch.start();
double effectivePositives = effectivePositives(component, label);
double nonSmoothedPositiveProb = effectivePositives / totalWeight;
// smooth the component-wise label fraction with global label fraction
double positiveCount = labelMatrix.getColumn(label).getNumNonZeroElements();
double smoothedPositiveProb = (effectivePositives + smoothingStrength * positiveCount) / (totalWeight + smoothingStrength * groundTruth.getNumDataPoints());
StringBuilder sb = new StringBuilder();
sb.append("for component ").append(component).append(", label ").append(label);
sb.append(", weighted positives = ").append(effectivePositives);
sb.append(", non-smoothed positive fraction = " + (effectivePositives / totalWeight));
sb.append(", global positive fraction = " + (positiveCount / groundTruth.getNumDataPoints()));
sb.append(", smoothed positive fraction = " + smoothedPositiveProb);
// it be happen that p >1 for numerical reasons
if (smoothedPositiveProb >= 1) {
smoothedPositiveProb = 1;
}
if (nonSmoothedPositiveProb < skipLabelThreshold || nonSmoothedPositiveProb > 1 - skipLabelThreshold) {
double[] probs = { 1 - smoothedPositiveProb, smoothedPositiveProb };
cbm.binaryClassifiers[component][label] = new PriorProbClassifier(probs);
sb.append(", skip, use prior = ").append(smoothedPositiveProb);
sb.append(", time spent = ").append(stopWatch.toString());
if (logger.isDebugEnabled()) {
logger.debug(sb.toString());
}
return;
}
if (logger.isDebugEnabled()) {
logger.debug(sb.toString());
}
updateBinaryClassifier(component, label, activeDataSet, activeGammas);
}
use of org.apache.commons.lang3.math.Fraction in project pcgen by PCGen.
the class PlayerCharacterOutput method getCR.
/**
* TODO Much of this code is repeated in CRToken, Race, Combatant and PlayerCharacterOutput
*
* @return An output version of the CR
*/
public String getCR() {
Integer calcCR = display.calcCR();
float cr = (calcCR == null) ? -1 : calcCR;
String retString = "";
// If the CR is a fractional CR then we convert to a 1/x format
if ((cr > 0) && (cr < 1)) {
// new Fraction(CR);
Fraction fraction = Fraction.getFraction(cr);
int denominator = fraction.getDenominator();
int numerator = fraction.getNumerator();
retString = numerator + "/" + denominator;
} else if ((cr >= 1) || (cr == 0)) {
int newCr = -99;
String crAsString = Float.toString(cr);
String decimalPlaceValue = crAsString.substring(crAsString.length() - 2);
if (decimalPlaceValue.equals(".0")) {
newCr = (int) cr;
}
retString += ((newCr > -99) ? newCr : cr);
}
return retString;
}
use of org.apache.commons.lang3.math.Fraction in project pcgen by PCGen.
the class XMLCombatant method getCRForOutput.
/**
*
* TODO Much of this code is repeated in CRToken, Race, XMLCombatant and PlayerCharacterOutput
*
* <p>Gets the CR value for the character for output</p>
* @return CR value
*/
public String getCRForOutput() {
String retString = "";
String crAsString = Float.toString(cr);
String decimalPlaceValue = crAsString.substring(crAsString.length() - 2);
// If the CR is a fractional CR then we convert to a 1/x format
if (cr > 0 && cr < 1) {
// new Fraction(CR);
Fraction fraction = Fraction.getFraction(cr);
int denominator = fraction.getDenominator();
int numerator = fraction.getNumerator();
retString = numerator + "/" + denominator;
} else if (cr >= 1 || cr == 0) {
int newCr = -99;
if (decimalPlaceValue.equals(".0")) {
newCr = (int) cr;
}
if (newCr > -99) {
retString = retString + newCr;
} else {
retString = retString + cr;
}
}
return retString;
}
Aggregations