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Abacus
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Format code.

This commit is contained in:
Danila Fedorin 2017-09-01 18:07:48 -07:00
parent e172108476
commit 6a65e66935
6 changed files with 100 additions and 100 deletions
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6
core/src/main/java/org/nwapw/abacus/Abacus.java
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@ -1,9 +1,7 @@
package org.nwapw.abacus;
import org.nwapw.abacus.config.Configuration;
import org.nwapw.abacus.number.NaiveNumber;
import org.nwapw.abacus.number.NumberInterface;
import org.nwapw.abacus.number.PreciseNumber;
import org.nwapw.abacus.number.PromotionManager;
import org.nwapw.abacus.parsing.LexerTokenizer;
import org.nwapw.abacus.parsing.ShuntingYardParser;
@ -14,8 +12,6 @@ import org.nwapw.abacus.plugin.StandardPlugin;
import org.nwapw.abacus.tree.NumberReducer;
import org.nwapw.abacus.tree.TreeNode;
import java.math.BigDecimal;
/**
* The main calculator class. This is responsible
* for piecing together all of the components, allowing
@ -72,6 +68,7 @@ public class Abacus {
/**
* Gets the promotion manager.
*
* @return the promotion manager.
*/
public PromotionManager getPromotionManager() {
@ -139,6 +136,7 @@ public class Abacus {
/**
* Gets the number implementation.
*
* @return the number implementation to use for creating numbers.
*/
public NumberImplementation getNumberImplementation() {

93
core/src/main/java/org/nwapw/abacus/plugin/StandardPlugin.java
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@ -7,7 +7,6 @@ import org.nwapw.abacus.number.PreciseNumber;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.function.BiFunction;
/**
* The plugin providing standard functions such as addition and subtraction to
@ -90,21 +89,6 @@ public class StandardPlugin extends Plugin {
return new NaiveNumber(Math.PI);
}
};
/**
* The square root function.
*/
public static final NumberFunction FUNCTION_SQRT = new NumberFunction() {
@Override
public boolean matchesParams(NumberImplementation implementation, NumberInterface[] params) {
return params.length == 1;
}
@Override
public NumberInterface applyInternal(NumberImplementation implementation, NumberInterface[] params) {
return OP_CARET.apply(implementation, params[0], implementation.instanceForString(".5"));
}
};
/**
* The implementation for the infinite-precision BigDecimal.
*/
@ -347,6 +331,52 @@ public class StandardPlugin extends Plugin {
return implementation.instanceForString(Long.toString(Math.round(Math.random() * params[0].floor().intValue())));
}
};
/**
* The caret / pow operator, ^
*/
public static final NumberOperator OP_CARET = new NumberOperator(OperatorAssociativity.RIGHT, OperatorType.BINARY_INFIX, 2) {
@Override
public boolean matchesParams(NumberImplementation implementation, NumberInterface[] params) {
NumberInterface zero = implementation.instanceForString("0");
return params.length == 2
&& !(params[0].compareTo(zero) == 0
&& params[1].compareTo(zero) == 0)
&& !(params[0].signum() == -1 && params[1].fractionalPart().compareTo(zero) != 0);
}
@Override
public NumberInterface applyInternal(NumberImplementation implementation, NumberInterface[] params) {
NumberInterface zero = implementation.instanceForString("0");
if (params[0].compareTo(zero) == 0)
return zero;
else if (params[1].compareTo(zero) == 0)
return implementation.instanceForString("1");
//Detect integer bases:
if (params[0].fractionalPart().compareTo(implementation.instanceForString("0")) == 0
&& FUNCTION_ABS.apply(implementation, params[1]).compareTo(implementation.instanceForString(Integer.toString(Integer.MAX_VALUE))) < 0
&& FUNCTION_ABS.apply(implementation, params[1]).compareTo(implementation.instanceForString("1")) >= 0) {
NumberInterface[] newParams = {params[0], params[1].fractionalPart()};
return params[0].intPow(params[1].floor().intValue()).multiply(applyInternal(implementation, newParams));
}
return FUNCTION_EXP.apply(implementation, FUNCTION_LN.apply(implementation, FUNCTION_ABS.apply(implementation, params[0])).multiply(params[1]));
}
};
/**
* The square root function.
*/
public static final NumberFunction FUNCTION_SQRT = new NumberFunction() {
@Override
public boolean matchesParams(NumberImplementation implementation, NumberInterface[] params) {
return params.length == 1;
}
@Override
public NumberInterface applyInternal(NumberImplementation implementation, NumberInterface[] params) {
return OP_CARET.apply(implementation, params[0], implementation.instanceForString(".5"));
}
};
private static final HashMap<NumberImplementation, ArrayList<NumberInterface>> FACTORIAL_LISTS = new HashMap<>();
/**
* The exponential function, exp(1) = e^1 = 2.71...
@ -386,37 +416,6 @@ public class StandardPlugin extends Plugin {
}
}
};
/**
* The caret / pow operator, ^
*/
public static final NumberOperator OP_CARET = new NumberOperator(OperatorAssociativity.RIGHT, OperatorType.BINARY_INFIX, 2) {
@Override
public boolean matchesParams(NumberImplementation implementation, NumberInterface[] params) {
NumberInterface zero = implementation.instanceForString("0");
return params.length == 2
&& !(params[0].compareTo(zero) == 0
&& params[1].compareTo(zero) == 0)
&& !(params[0].signum() == -1 && params[1].fractionalPart().compareTo(zero) != 0);
}
@Override
public NumberInterface applyInternal(NumberImplementation implementation, NumberInterface[] params) {
NumberInterface zero = implementation.instanceForString("0");
if (params[0].compareTo(zero) == 0)
return zero;
else if (params[1].compareTo(zero) == 0)
return implementation.instanceForString("1");
//Detect integer bases:
if (params[0].fractionalPart().compareTo(implementation.instanceForString("0")) == 0
&& FUNCTION_ABS.apply(implementation, params[1]).compareTo(implementation.instanceForString(Integer.toString(Integer.MAX_VALUE))) < 0
&& FUNCTION_ABS.apply(implementation, params[1]).compareTo(implementation.instanceForString("1")) >= 0) {
NumberInterface[] newParams = {params[0], params[1].fractionalPart()};
return params[0].intPow(params[1].floor().intValue()).multiply(applyInternal(implementation, newParams));
}
return FUNCTION_EXP.apply(implementation, FUNCTION_LN.apply(implementation, FUNCTION_ABS.apply(implementation, params[0])).multiply(params[1]));
}
};
/**
* The sine function (the argument is interpreted in radians).
*/

5
core/src/main/java/org/nwapw/abacus/tree/NumberReducer.java
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@ -1,7 +1,10 @@
package org.nwapw.abacus.tree;
import org.nwapw.abacus.Abacus;
import org.nwapw.abacus.function.*;
import org.nwapw.abacus.function.NumberFunction;
import org.nwapw.abacus.function.NumberOperator;
import org.nwapw.abacus.function.TreeValueFunction;
import org.nwapw.abacus.function.TreeValueOperator;
import org.nwapw.abacus.number.NumberInterface;
import org.nwapw.abacus.number.PromotionManager;
import org.nwapw.abacus.number.PromotionResult;