commit 93579e28f0db04f565bac7c2a854774fc9514312
Author: erius <egor_kapralov2003@mail.ru>
Date:   Sat May 11 01:59:56 2024 +0300

    Initial commit

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ea8c4bf
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/target
diff --git a/Cargo.lock b/Cargo.lock
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index 0000000..ac37eb0
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,89 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
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+
+[[package]]
+name = "mathematical"
+version = "0.1.0"
+dependencies = [
+ "num",
+]
+
+[[package]]
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+dependencies = [
+ "num-bigint",
+ "num-complex",
+ "num-integer",
+ "num-iter",
+ "num-rational",
+ "num-traits",
+]
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+[[package]]
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+ "num-traits",
+]
+
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+]
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diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..dd7d7b7
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,7 @@
+[package]
+name = "mathematical"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+num = "0.4.3"
diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..b8135c3
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1 @@
+pub mod math;
diff --git a/src/math/matrix.rs b/src/math/matrix.rs
new file mode 100644
index 0000000..bb9fad9
--- /dev/null
+++ b/src/math/matrix.rs
@@ -0,0 +1,63 @@
+use num::{Integer, Num};
+
+pub struct Matrix<T: Num + Copy> {
+    width: usize, height: usize,
+    data: Box<Vec<T>>
+}
+
+impl<T: Num + Copy> Matrix<T> {
+    pub fn new(width: usize, data: Vec<T>) -> Self {
+        if width == 0 {
+            panic!("Matrix width must not be 0")
+        }
+        let (height, append_zeroes) = data.len().div_rem(&width);
+        let mut matrix = Self { width, height, data: Box::new(data) };
+        if append_zeroes == 0 { return matrix; }
+        matrix.height += 1;
+        for _ in 0..append_zeroes {
+            matrix.data.push(T::zero());
+        }
+        return matrix;
+    }
+
+    pub fn new_filled(val: T, width: usize, height: usize) -> Self {
+        let Some(size) = width.checked_mul(height)
+        else {
+            panic!("Total matrix size for width {} and height {} exceeds usize limit", width, height)
+        };
+        if size < 2 {
+            panic!("Total matrix size must be greater than 1, but got {}", size)
+        }
+        let data = Box::new(vec![val; size]);
+        Self { width, height, data }
+    }
+
+    pub fn new_zeroes(width: usize, height: usize) -> Self {
+        Self::new_filled(T::zero(), width, height)
+    }
+
+    pub fn width(&self) -> usize {
+        self.width
+    }
+
+    pub fn height(&self) -> usize {
+        self.height
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    #[should_panic]
+    fn size_too_big() {
+        Matrix::<i32>::new_zeroes(usize::MAX, 2);
+    }
+
+    #[test]
+    #[should_panic]
+    fn size_too_small() {
+        Matrix::<i32>::new_zeroes(1, 1);
+    }
+}
diff --git a/src/math/mod.rs b/src/math/mod.rs
new file mode 100644
index 0000000..3bb3506
--- /dev/null
+++ b/src/math/mod.rs
@@ -0,0 +1 @@
+pub mod matrix;