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Abacus
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Format newly written code.

This commit is contained in:
Danila Fedorin 2017-08-26 12:19:34 -07:00
parent 385a64eace
commit fbc12ec41c
8 changed files with 78 additions and 77 deletions
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118
core/src/main/java/org/nwapw/abacus/plugin/StandardPlugin.java
View File

@ -80,21 +80,6 @@ public class StandardPlugin extends Plugin {
return product;
}
};
/**
* The combination operator.
*/
public static final NumberOperator OP_NCR = new NumberOperator(OperatorAssociativity.RIGHT, OperatorType.BINARY_INFIX, 0) {
@Override
public boolean matchesParams(NumberInterface[] params) {
return params.length == 2 && params[0].fractionalPart().signum() == 0
&& params[1].fractionalPart().signum() == 0;
}
@Override
public NumberInterface applyInternal(NumberInterface[] params) {
return OP_NPR.apply(params).divide(OP_FACTORIAL.apply(params[1]));
}
};
/**
* The implementation for double-based naive numbers.
*/
@ -109,6 +94,20 @@ 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(NumberInterface[] params) {
return params.length == 1;
}
@Override
public NumberInterface applyInternal(NumberInterface[] params) {
return OP_CARET.apply(params[0], ((new NaiveNumber(0.5)).promoteTo(params[0].getClass())));
}
};
/**
* The implementation for the infinite-precision BigDecimal.
*/
@ -225,6 +224,21 @@ public class StandardPlugin extends Plugin {
return total;
}
};
/**
* The combination operator.
*/
public static final NumberOperator OP_NCR = new NumberOperator(OperatorAssociativity.RIGHT, OperatorType.BINARY_INFIX, 0) {
@Override
public boolean matchesParams(NumberInterface[] params) {
return params.length == 2 && params[0].fractionalPart().signum() == 0
&& params[1].fractionalPart().signum() == 0;
}
@Override
public NumberInterface applyInternal(NumberInterface[] params) {
return OP_NPR.apply(params).divide(OP_FACTORIAL.apply(params[1]));
}
};
/**
* The absolute value function, abs(-3) = 3
*/
@ -333,50 +347,6 @@ public class StandardPlugin extends Plugin {
return fromInt(params[0].getClass(), (int) 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(NumberInterface[] params) {
NumberInterface zero = fromInt(params[0].getClass(), 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(NumberInterface[] params) {
NumberInterface zero = fromInt(params[0].getClass(), 0);
if (params[0].compareTo(zero) == 0)
return zero;
else if (params[1].compareTo(zero) == 0)
return fromInt(params[0].getClass(), 1);
//Detect integer bases:
if (params[0].fractionalPart().compareTo(fromInt(params[0].getClass(), 0)) == 0
&& FUNCTION_ABS.apply(params[1]).compareTo(fromInt(params[0].getClass(), Integer.MAX_VALUE)) < 0
&& FUNCTION_ABS.apply(params[1]).compareTo(fromInt(params[1].getClass(), 1)) >= 0) {
NumberInterface[] newParams = {params[0], params[1].fractionalPart()};
return params[0].intPow(params[1].floor().intValue()).multiply(applyInternal(newParams));
}
return FUNCTION_EXP.apply(FUNCTION_LN.apply(FUNCTION_ABS.apply(params[0])).multiply(params[1]));
}
};
/**
* The square root function.
*/
public static final NumberFunction FUNCTION_SQRT = new NumberFunction() {
@Override
public boolean matchesParams(NumberInterface[] params) {
return params.length == 1;
}
@Override
public NumberInterface applyInternal(NumberInterface[] params) {
return OP_CARET.apply(params[0], ((new NaiveNumber(0.5)).promoteTo(params[0].getClass())));
}
};
private static final HashMap<Class<? extends NumberInterface>, ArrayList<NumberInterface>> FACTORIAL_LISTS = new HashMap<>();
/**
* The exponential function, exp(1) = e^1 = 2.71...
@ -415,6 +385,36 @@ 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(NumberInterface[] params) {
NumberInterface zero = fromInt(params[0].getClass(), 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(NumberInterface[] params) {
NumberInterface zero = fromInt(params[0].getClass(), 0);
if (params[0].compareTo(zero) == 0)
return zero;
else if (params[1].compareTo(zero) == 0)
return fromInt(params[0].getClass(), 1);
//Detect integer bases:
if (params[0].fractionalPart().compareTo(fromInt(params[0].getClass(), 0)) == 0
&& FUNCTION_ABS.apply(params[1]).compareTo(fromInt(params[0].getClass(), Integer.MAX_VALUE)) < 0
&& FUNCTION_ABS.apply(params[1]).compareTo(fromInt(params[1].getClass(), 1)) >= 0) {
NumberInterface[] newParams = {params[0], params[1].fractionalPart()};
return params[0].intPow(params[1].floor().intValue()).multiply(applyInternal(newParams));
}
return FUNCTION_EXP.apply(FUNCTION_LN.apply(FUNCTION_ABS.apply(params[0])).multiply(params[1]));
}
};
/**
* The sine function (the argument is interpreted in radians).
*/

1
core/src/main/kotlin/org/nwapw/abacus/function/applicable/Applicable.kt
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@ -16,6 +16,7 @@ interface Applicable<in T: Any, out O: Any> {
* @return whether the array can be used with applyInternal.
*/
fun matchesParams(params: Array<out T>): Boolean
/**
* Applies the applicable object to the given parameters,
* without checking for compatibility.

2
core/src/main/kotlin/org/nwapw/abacus/function/applicable/ReducerApplicable.kt
View File

@ -19,6 +19,7 @@ interface ReducerApplicable<in T: Any, out O: Any, in R: Any> {
* @param params the parameters to check.
*/
fun matchesParams(params: Array<out T>): Boolean
/**
* Applies this applicable to the given arguments, and reducer.
* @param reducer the reducer to use in the application.
@ -26,6 +27,7 @@ interface ReducerApplicable<in T: Any, out O: Any, in R: Any> {
* @return the result of the application.
*/
fun applyWithReducerInternal(reducer: Reducer<R>, params: Array<out T>): O?
/**
* Applies this applicable to the given arguments, and reducer,
* if the arguments and reducer are compatible with this applicable.

2
core/src/main/kotlin/org/nwapw/abacus/tree/NumberNode.kt
View File

@ -1,7 +1,5 @@
package org.nwapw.abacus.tree
import org.nwapw.abacus.number.NumberInterface
/**
* A tree node that holds a single number value.
*