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Code Issues Releases Wiki Activity

Revert "Write a RationalNumber class."

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This reverts commit f3942b6760.
This commit is contained in:
Arthur Drobot 2017-08-09 18:43:52 -07:00
parent 4226df72f5
commit fee9f091fd
3 changed files with 0 additions and 126 deletions
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1
build.gradle Executable file → Normal file
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@ -11,7 +11,6 @@ repositories {
}
dependencies {
compile group: 'org.apache.commons', name: 'commons-math3', version: '3.6.1'
compile 'com.moandjiezana.toml:toml4j:0.7.1'
compile "org.jetbrains.kotlin:kotlin-stdlib-jre8"
testCompile 'junit:junit:4.12'

10
src/main/java/org/nwapw/abacus/number/PreciseNumber.java
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@ -1,7 +1,6 @@
package org.nwapw.abacus.number;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.math.MathContext;
/**
@ -62,15 +61,6 @@ public class PreciseNumber extends NumberInterface {
this.value = value;
}
/**
* Constructs a precise number from the given BigInteger.
*
* @param value a BigInteger object representing the value of the number.
*/
public PreciseNumber(BigInteger value) {
this.value = new BigDecimal(value);
}
@Override
public int getMaxPrecision() {
return internalContext.getPrecision();

115
src/main/java/org/nwapw/abacus/number/RationalNumber.java
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@ -1,115 +0,0 @@
package org.nwapw.abacus.number;
import org.apache.commons.math3.fraction.BigFraction;
import org.apache.commons.math3.fraction.Fraction;
import java.math.BigInteger;
public class RationalNumber extends NumberInterface{
static final RationalNumber ONE = new RationalNumber(BigFraction.ONE);
/**
* The value of the number.
*/
private BigFraction value;
/**
* Constructs a new instance with the given value.
* @param value
*/
public RationalNumber(BigFraction value){
this.value = value;
}
@Override
public int getMaxPrecision() {
return 0;
}
@Override
protected NumberInterface multiplyInternal(NumberInterface multiplier) {
return new RationalNumber(value.multiply(((RationalNumber)multiplier).value));
}
@Override
protected NumberInterface divideInternal(NumberInterface divisor) {
return new RationalNumber(value.divide(((RationalNumber)divisor).value));
}
@Override
protected NumberInterface addInternal(NumberInterface summand) {
return new RationalNumber(value.add(((RationalNumber)summand).value));
}
@Override
protected NumberInterface subtractInternal(NumberInterface subtrahend) {
return new RationalNumber(value.subtract(((RationalNumber)subtrahend).value));
}
@Override
protected NumberInterface negateInternal() {
return new RationalNumber(value.negate());
}
@Override
protected NumberInterface intPowInternal(int exponent) {
return new RationalNumber(value.pow(exponent));
}
@Override
public int compareTo(NumberInterface number) {
return value.compareTo(((RationalNumber)number).value);
}
@Override
public int signum() {
return value.getNumerator().signum();
}
@Override
protected NumberInterface ceilingInternal() {
if(value.getNumeratorAsInt() != 1){
return floorInternal().add(ONE);
}
return this;
}
@Override
protected NumberInterface floorInternal() {
BigInteger floor = value.bigDecimalValue().toBigInteger();
if(value.compareTo(BigFraction.ZERO) < 0 && value.getDenominatorAsInt() != 1){
floor = floor.subtract(BigInteger.ONE);
}
return new RationalNumber(new BigFraction(floor));
}
@Override
protected NumberInterface fractionalPartInternal() {
return this.subtractInternal(floorInternal());
}
@Override
public int intValue() {
return 0;
}
@Override
protected NumberInterface promoteToInternal(Class<? extends NumberInterface> toClass) {
return null;
}
@Override
public NumberInterface getMaxError() {
return toPreciseNumber().getMaxError();
}
@Override
public String toString(){
return toPreciseNumber().toString();
}
PreciseNumber toPreciseNumber(){
return (PreciseNumber) new PreciseNumber(value.getNumerator()).divideInternal(new PreciseNumber(value.getDenominator()));
}
}