Dynamic Y Bounds

main.cpp

@@ -2,6 +2,9 @@
 #include <random>
 #include <chrono>
 
+float lowerX = 0;
+float upperX = 20;
+
 double randomFloat()
 {
     return (double)(rand()) / (double)(RAND_MAX);
@@ -68,6 +71,8 @@ public:
 };
 
 
+
+
 double function(double x) {
     return pow(x,4)-4*pow(x,3)+18*pow(x,2)-12*x-69;
 }
@@ -83,12 +88,32 @@ bool getIsInside(Point p) {
 double getRealIntegral(LinearBounds bounds) {
     return indefiniteIntegral(bounds.get_upper())- indefiniteIntegral(bounds.get_lower());
 }
+float getUpperLimit() {
+    float upperLimit = 0;
+    for(float i = lowerX; i< upperX; i+= 0.025) {
+        if(function((double)i) > upperLimit) {
+            upperLimit = (float) (function(i) * 1.025);
+        }
+    }
+    return upperLimit;
+}
+float getLowerLimit() {
+    float lowerLimit = 0;
+    for(float i = lowerX; i< upperX; i+= 0.025F) {
+        if(function(i) < lowerLimit) {
+            lowerLimit = (float) (function(i) * 1.025);
+        }
+    }
+    return lowerLimit;
+}
 
 int main() {
+
+
     auto startTime = std::chrono::high_resolution_clock::now();
     double pointsInside = 0;
     double samples = 10000000;
-    Bounds bounds = Bounds(LinearBounds(0, 20), LinearBounds(-100, 150000));
+    Bounds bounds = Bounds(LinearBounds(lowerX, upperX), LinearBounds(getLowerLimit(), getUpperLimit()));
     Point toTestPoint;
     for (int i = 0; i< samples; i++) {
         toTestPoint = bounds.getRandomPoint();