Add math builder (#6190)

src/test/java/com/thealgorithms/maths/MathBuilderTest.java

@@ -0,0 +1,38 @@
+package com.thealgorithms.maths;
+
+import static org.junit.jupiter.api.Assertions.assertArrayEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import org.junit.jupiter.api.Test;
+
+class MathBuilderTest {
+
+    @Test
+    void simpleMath() {
+        double result = new MathBuilder.Builder(100).add(200).multiply(10).print().divideIf(20, (a, b) -> a % 2 == 0).sqrt().print().ceil().build().get();
+        assertEquals(13, result);
+    }
+
+    @Test
+    void memoryTest() {
+        long result = new MathBuilder.Builder().set(100).sqrt().remember().add(21).recallIf(a -> a < 50, true).mod(2).build().toLong();
+        assertEquals(0, result);
+    }
+
+    @Test
+    void freeFallDistance() {
+        long distance = new MathBuilder.Builder(9.81).multiply(0.5).multiply(5 * 5).round().build().toLong();
+        assertEquals(123, distance); // Expected result: 0.5 * 9.81 * 25 = 122.625 ≈ 123
+    }
+
+    @Test
+    void batchSalaryProcessing() {
+        double[] salaries = {2000, 3000, 4000, 5000};
+        long[] processedSalaries = new long[salaries.length];
+        for (int i = 0; i < salaries.length; i++) {
+            processedSalaries[i] = new MathBuilder.Builder(salaries[i]).addIf(salaries[i] * 0.1, (sal, bonus) -> sal > 2500).multiply(0.92).round().build().toLong();
+        }
+        long[] expectedSalaries = {1840, 3036, 4048, 5060};
+        assertArrayEquals(expectedSalaries, processedSalaries);
+    }
+}

src/test/java/com/thealgorithms/others/TestPrintMatrixInSpiralOrder.java

@@ -0,0 +1,26 @@
+package com.thealgorithms.others;
+
+import static org.junit.jupiter.api.Assertions.assertIterableEquals;
+
+import java.util.List;
+import org.junit.jupiter.api.Test;
+
+public class TestPrintMatrixInSpiralOrder {
+    @Test
+    public void testOne() {
+        int[][] matrix = {{3, 4, 5, 6, 7}, {8, 9, 10, 11, 12}, {14, 15, 16, 17, 18}, {23, 24, 25, 26, 27}, {30, 31, 32, 33, 34}};
+        var printClass = new PrintAMatrixInSpiralOrder();
+        List<Integer> res = printClass.print(matrix, matrix.length, matrix[0].length);
+        List<Integer> list = List.of(3, 4, 5, 6, 7, 12, 18, 27, 34, 33, 32, 31, 30, 23, 14, 8, 9, 10, 11, 17, 26, 25, 24, 15, 16);
+        assertIterableEquals(res, list);
+    }
+
+    @Test
+    public void testTwo() {
+        int[][] matrix = {{2, 2}};
+        var printClass = new PrintAMatrixInSpiralOrder();
+        List<Integer> res = printClass.print(matrix, matrix.length, matrix[0].length);
+        List<Integer> list = List.of(2, 2);
+        assertIterableEquals(res, list);
+    }
+}

src/test/java/com/thealgorithms/searches/TestSearchInARowAndColWiseSortedMatrix.java

@@ -1,27 +1,25 @@
-package com.thealgorithms.searches;
-
-import static org.junit.jupiter.api.Assertions.assertArrayEquals;
-
-import org.junit.jupiter.api.Test;
-
-public class TestSearchInARowAndColWiseSortedMatrix {
-    @Test
-    public void searchItem() {
-        int[][] matrix = {{3, 4, 5, 6, 7}, {8, 9, 10, 11, 12}, {14, 15, 16, 17, 18}, {23, 24, 25, 26, 27}, {30, 31, 32, 33, 34}};
-
-        var test = new SearchInARowAndColWiseSortedMatrix();
-        int[] res = test.search(matrix, 16);
-        int[] expectedResult = {2, 2};
-        assertArrayEquals(expectedResult, res);
-    }
-
-    @Test
-    public void notFound() {
-        int[][] matrix = {{3, 4, 5, 6, 7}, {8, 9, 10, 11, 12}, {14, 15, 16, 17, 18}, {23, 24, 25, 26, 27}, {30, 31, 32, 33, 34}};
-
-        var test = new SearchInARowAndColWiseSortedMatrix();
-        int[] res = test.search(matrix, 96);
-        int[] expectedResult = {-1, -1};
-        assertArrayEquals(expectedResult, res);
-    }
-}
+package com.thealgorithms.searches;
+
+import static org.junit.jupiter.api.Assertions.assertArrayEquals;
+
+import org.junit.jupiter.api.Test;
+
+public class TestSearchInARowAndColWiseSortedMatrix {
+    @Test
+    public void searchItem() {
+        int[][] matrix = {{3, 4, 5, 6, 7}, {8, 9, 10, 11, 12}, {14, 15, 16, 17, 18}, {23, 24, 25, 26, 27}, {30, 31, 32, 33, 34}};
+        var test = new SearchInARowAndColWiseSortedMatrix();
+        int[] res = test.search(matrix, 16);
+        int[] expectedResult = {2, 2};
+        assertArrayEquals(expectedResult, res);
+    }
+
+    @Test
+    public void notFound() {
+        int[][] matrix = {{3, 4, 5, 6, 7}, {8, 9, 10, 11, 12}, {14, 15, 16, 17, 18}, {23, 24, 25, 26, 27}, {30, 31, 32, 33, 34}};
+        var test = new SearchInARowAndColWiseSortedMatrix();
+        int[] res = test.search(matrix, 96);
+        int[] expectedResult = {-1, -1};
+        assertArrayEquals(expectedResult, res);
+    }
+}