added to json function

src/main.rs

@@ -1,3 +1,6 @@
+use std::fs::File;
+use std::io;
+use std::io::Write;
 use crate::bounds::Bounds;
 use crate::function::Function;
 use crate::linear_bounds::LinearBounds;
@@ -15,14 +18,14 @@ fn main() {
     let bounds: Bounds = Bounds::new(LinearBounds::new(0_f64, 20_f64), LinearBounds::new(-100_f64, 150000_f64));
     let func: Function = Function::new();
 
-    let sample_limit: usize = 1_000;
+    let sample_limit: usize = 1_000_000_000;
     let sub_samples: Vec<usize> = vec![1, 2, 5];
-    let samples_per_iteration: usize = 10;
+    let samples_per_iteration: usize = 1;
 
     let mut result: Plot = Plot::new();
 
     let mut sample_cnt: usize = 1;
-    while sample_cnt <= sample_limit {
+    while sample_cnt < sample_limit {
         for sub_sample in sub_samples.clone() {
             let samples: usize = sub_sample * sample_cnt;
             for _ in 0..samples_per_iteration {
@@ -32,4 +35,11 @@ fn main() {
         sample_cnt *= 10;
     }
     result.print();
+
+    let mut file: io::Result<File> = File::create("output.json");
+    if file.is_err() {
+        panic!("Error creating output file")
+    }
+
+    if let Err(_) = file.unwrap().write(result.to_json().to_string().as_bytes()) { panic!("Error writing to file") };
 }