algorithm/Java
1
0
Fork 0
mirror of https://github.com/TheAlgorithms/Java.git synced 2025-07-04 15:27:36 +08:00
Code Issues Packages Projects Releases Wiki Activity

Add Parenthesis to MathBuilder (#6193)

Browse Source
This commit is contained in:
Hakim's Garage
2025-03-15 02:34:03 +06:00
committed by GitHub
parent e6073f8fef
commit 769e4975f6
2 changed files with 206 additions and 34 deletions
Download Patch File Download Diff File Expand all files Collapse all files

226
src/main/java/com/thealgorithms/maths/MathBuilder.java
View File

@ -26,7 +26,7 @@ public final class MathBuilder {
public long toLong() {
try {
if (Double.isNaN(result)) {
throw new IllegalArgumentException("Cannot convert NaN to long");
throw new IllegalArgumentException("Cannot convert NaN to long!");
}
if (result == Double.POSITIVE_INFINITY) {
return Long.MAX_VALUE;
@ -48,6 +48,8 @@ public final class MathBuilder {
public static class Builder {
private double number;
private double sideNumber;
private boolean inParenthesis;
private double memory = 0;
public Builder() {
@ -59,26 +61,44 @@ public final class MathBuilder {
}
public Builder add(double num) {
number += num;
if (inParenthesis) {
sideNumber += num;
} else {
number += num;
}
return this;
}
// Takes a number and a condition, only does the operation if condition is true.
public Builder addIf(double num, BiFunction<Double, Double, Boolean> condition) {
if (condition.apply(number, num)) {
if (!condition.apply(number, num)) {
return this;
}
if (inParenthesis) {
sideNumber += num;
} else {
number += num;
}
return this;
}
public Builder minus(double num) {
number -= num;
if (inParenthesis) {
sideNumber -= num;
} else {
number -= num;
}
return this;
}
// Takes a number and a condition, only does the operation if condition is true.
public Builder minusIf(double num, BiFunction<Double, Double, Boolean> condition) {
if (condition.apply(number, num)) {
if (!condition.apply(number, num)) {
return this;
}
if (inParenthesis) {
sideNumber -= num;
} else {
number -= num;
}
return this;
@ -113,7 +133,6 @@ public final class MathBuilder {
}
public Builder randomInRange(double min, double max) {
if (number != 0) {
throw new RuntimeException("Number must be zero for random assignment!");
}
@ -123,28 +142,49 @@ public final class MathBuilder {
}
public Builder toDegrees() {
number = Math.toDegrees(number);
if (inParenthesis) {
sideNumber = Math.toDegrees(sideNumber);
} else {
number = Math.toDegrees(number);
}
return this;
}
public Builder max(double num) {
number = Math.max(number, num);
if (inParenthesis) {
sideNumber = Math.max(sideNumber, num);
} else {
number = Math.max(number, num);
}
return this;
}
public Builder min(double num) {
number = Math.min(number, num);
if (inParenthesis) {
sideNumber = Math.min(sideNumber, num);
} else {
number = Math.min(number, num);
}
return this;
}
public Builder multiply(double num) {
number *= num;
if (inParenthesis) {
sideNumber *= num;
} else {
number *= num;
}
return this;
}
// Takes a number and a condition, only does the operation if condition is true.
public Builder multiplyIf(double num, BiFunction<Double, Double, Boolean> condition) {
if (condition.apply(number, num)) {
if (!condition.apply(number, num)) {
return this;
}
if (inParenthesis) {
sideNumber *= num;
} else {
number *= num;
}
return this;
@ -154,7 +194,11 @@ public final class MathBuilder {
if (num == 0) {
return this;
}
number /= num;
if (inParenthesis) {
sideNumber /= num;
} else {
number /= num;
}
return this;
}
@ -163,107 +207,189 @@ public final class MathBuilder {
if (num == 0) {
return this;
}
if (condition.apply(number, num)) {
if (!condition.apply(number, num)) {
return this;
}
if (inParenthesis) {
sideNumber /= num;
} else {
number /= num;
}
return this;
}
public Builder mod(double num) {
number %= num;
if (inParenthesis) {
sideNumber %= num;
} else {
number %= num;
}
return this;
}
// Takes a number and a condition, only does the operation if condition is true.
public Builder modIf(double num, BiFunction<Double, Double, Boolean> condition) {
if (condition.apply(number, num)) {
if (!condition.apply(number, num)) {
return this;
}
if (inParenthesis) {
sideNumber %= num;
} else {
number %= num;
}
return this;
}
public Builder pow(double num) {
number = Math.pow(number, num);
if (inParenthesis) {
sideNumber = Math.pow(sideNumber, num);
} else {
number = Math.pow(number, num);
}
return this;
}
public Builder sqrt() {
number = Math.sqrt(number);
if (inParenthesis) {
sideNumber = Math.sqrt(sideNumber);
} else {
number = Math.sqrt(number);
}
return this;
}
public Builder round() {
number = Math.round(number);
if (inParenthesis) {
sideNumber = Math.round(sideNumber);
} else {
number = Math.round(number);
}
return this;
}
public Builder floor() {
number = Math.floor(number);
if (inParenthesis) {
sideNumber = Math.floor(sideNumber);
} else {
number = Math.floor(number);
}
return this;
}
public Builder ceil() {
number = Math.ceil(number);
if (inParenthesis) {
sideNumber = Math.ceil(sideNumber);
} else {
number = Math.ceil(number);
}
return this;
}
public Builder abs() {
number = Math.abs(number);
if (inParenthesis) {
sideNumber = Math.abs(sideNumber);
} else {
number = Math.abs(number);
}
return this;
}
public Builder cbrt() {
number = Math.cbrt(number);
if (inParenthesis) {
sideNumber = Math.cbrt(sideNumber);
} else {
number = Math.cbrt(number);
}
return this;
}
public Builder log() {
number = Math.log(number);
if (inParenthesis) {
sideNumber = Math.log(sideNumber);
} else {
number = Math.log(number);
}
return this;
}
public Builder log10() {
number = Math.log10(number);
if (inParenthesis) {
sideNumber = Math.log10(sideNumber);
} else {
number = Math.log10(number);
}
return this;
}
public Builder sin() {
number = Math.sin(number);
if (inParenthesis) {
sideNumber = Math.sin(sideNumber);
} else {
number = Math.sin(number);
}
return this;
}
public Builder cos() {
number = Math.cos(number);
if (inParenthesis) {
sideNumber = Math.cos(sideNumber);
} else {
number = Math.cos(number);
}
return this;
}
public Builder tan() {
number = Math.tan(number);
if (inParenthesis) {
sideNumber = Math.tan(sideNumber);
} else {
number = Math.tan(number);
}
return this;
}
public Builder sinh() {
number = Math.sinh(number);
if (inParenthesis) {
sideNumber = Math.sinh(sideNumber);
} else {
number = Math.sinh(number);
}
return this;
}
public Builder cosh() {
number = Math.cosh(number);
if (inParenthesis) {
sideNumber = Math.cosh(sideNumber);
} else {
number = Math.cosh(number);
}
return this;
}
public Builder tanh() {
number = Math.tanh(number);
if (inParenthesis) {
sideNumber = Math.tanh(sideNumber);
} else {
number = Math.tanh(number);
}
return this;
}
public Builder exp() {
number = Math.exp(number);
if (inParenthesis) {
sideNumber = Math.exp(sideNumber);
} else {
number = Math.exp(number);
}
return this;
}
public Builder toRadians() {
number = Math.toRadians(number);
if (inParenthesis) {
sideNumber = Math.toRadians(sideNumber);
} else {
number = Math.toRadians(number);
}
return this;
}
@ -279,7 +405,6 @@ public final class MathBuilder {
if (cleanMemory) {
memory = 0;
}
return this;
}
@ -292,7 +417,6 @@ public final class MathBuilder {
if (cleanMemory) {
memory = 0;
}
return this;
}
@ -322,6 +446,40 @@ public final class MathBuilder {
return this;
}
public Builder openParenthesis(double num) {
sideNumber = num;
inParenthesis = true;
return this;
}
public Builder closeParenthesisAndPlus() {
number += sideNumber;
inParenthesis = false;
sideNumber = 0;
return this;
}
public Builder closeParenthesisAndMinus() {
number -= sideNumber;
inParenthesis = false;
sideNumber = 0;
return this;
}
public Builder closeParenthesisAndMultiply() {
number *= sideNumber;
inParenthesis = false;
sideNumber = 0;
return this;
}
public Builder closeParenthesisAndDivide() {
number /= sideNumber;
inParenthesis = false;
sideNumber = 0;
return this;
}
public Builder format(String format) {
DecimalFormat formater = new DecimalFormat(format);
String num = formater.format(number);

14
src/test/java/com/thealgorithms/maths/MathBuilderTest.java
View File

@ -35,4 +35,18 @@ class MathBuilderTest {
long[] expectedSalaries = {1840, 3036, 4048, 5060};
assertArrayEquals(expectedSalaries, processedSalaries);
}
@Test
void parenthesis() {
// 10 + (20*5) - 40 + (100 / 10) = 80
double result = new MathBuilder.Builder(10).openParenthesis(20).multiply(5).closeParenthesisAndPlus().minus(40).openParenthesis(100).divide(10).closeParenthesisAndPlus().build().get();
assertEquals(80, result);
}
@Test
void areaOfCircle() {
// Radius is 4
double area = new MathBuilder.Builder().pi().openParenthesis(4).multiply(4).closeParenthesisAndMultiply().build().get();
assertEquals(Math.PI * 4 * 4, area);
}
}