Molly Severdia Java Assignment 004

Java-Assignment-004.iml

@@ -5,6 +5,7 @@
     <content url="file://$MODULE_DIR$">
       <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
     </content>
+    <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
   </component>
 </module>

src/Multadd.java

@@ -0,0 +1,31 @@
+public class Multadd {
+
+    public static double multadd(double a, double b, double c) {
+        return a*b+c;
+    }
+
+    public static double expsum(double x){
+        double b = Math.exp(-x);
+        double c = Math.sqrt(1-Math.exp(-x));
+        return multadd(x,b,c);
+    }
+
+    public static void main(String[] args){
+        //trig calculation
+        double a1 = 1.0;
+        double b1 = Math.sin(Math.PI/4);
+        double c1 = (Math.cos(Math.PI/4))/2;
+        double result1 = multadd(a1, b1, c1);
+        System.out.println("result1 = " + result1);
+
+        //log calculation
+        double a2 = 1.0;
+        double b2 = Math.log10(10);
+        double c2 = Math.log10(20);
+        double result2 = multadd(a2, b2, c2);
+        System.out.println("result2 = " + result2);
+
+        //exp calculation
+        System.out.println(expsum(2.3));
+    }
+}