initial commit

rust/day1/.gitignore

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+/target

rust/day1/Cargo.toml

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+[package]
+name = "day1"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]

rust/day1/src/main.rs

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+fn main() {
+    println!("{:?}", calEVlas(-5.0, -7.0, 2.0, 4.0));
+}
+
+fn calEVlas(a: f32, b: f32, c: f32, d: f32) -> Vec<f32> {
+    let trace = a + d;
+    let determinant = (a * d) - (b * c);
+    println!("{determinant}");
+    let discri = (trace.powi(2)) - (4.0 * determinant);
+    println!("{discri}");
+    let x1 = (-trace + (discri.powf(0.5))) / 2.0;
+    let x2 = (-trace - (discri.powf(0.5))) / 2.0;
+    return vec![x1, x2];
+}