++ Homework 2 Files

Homework2/quadratic.c

@@ -0,0 +1,36 @@
+// header files
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+
+// local constants
+#define QUADRATIC_A 2
+#define QUADRATIC_B -4
+#define QUADRATIC_C -3
+
+/*
+Name: Quadratic Formula Root Finder
+Process: 
+Function input/parameters: NONE
+Function output/parameters: NONE
+Function output/returned: NONE
+Device input/---: NONE
+Device output/---: NONE
+Dependencies: included by standard libraries
+*/
+int main()
+{
+    // define local variables
+    double positiveRoot, negativeRoot;
+    // do calculations
+    positiveRoot = (-QUADRATIC_B + sqrt((QUADRATIC_B * QUADRATIC_B) - 
+                            (4 * QUADRATIC_A * QUADRATIC_C))) / (2*QUADRATIC_A);
+    negativeRoot = (-QUADRATIC_B - sqrt((QUADRATIC_B * QUADRATIC_B) - 
+                            (4 * QUADRATIC_A * QUADRATIC_C))) / (2*QUADRATIC_A);
+    // display results
+    printf("The roots of the quadratic %dx^2 + %dx + %d are: %f & %f.\n", 
+           QUADRATIC_A, QUADRATIC_B, QUADRATIC_C, positiveRoot, negativeRoot);
+    // return success
+    return 0;
+}