From c9b6b9a5ca082fe7c1b6f58d7713f785a9eb6a5c Mon Sep 17 00:00:00 2001
From: Martial Simon <msimon_fr@hotmail.com>
Date: Mon, 15 Sep 2025 01:08:27 +0200
Subject: add: graphs et rushs

---
 graphs/cpp/cartesian_vector/vector.cc | 69 +++++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 graphs/cpp/cartesian_vector/vector.cc

(limited to 'graphs/cpp/cartesian_vector/vector.cc')

diff --git a/graphs/cpp/cartesian_vector/vector.cc b/graphs/cpp/cartesian_vector/vector.cc
new file mode 100644
index 0000000..1291f69
--- /dev/null
+++ b/graphs/cpp/cartesian_vector/vector.cc
@@ -0,0 +1,69 @@
+#include "vector.hh"
+
+#include "state_saver.hh"
+
+Vector::Vector(double x, double y)
+    : x_{ x }
+    , y_{ y }
+{}
+double Vector::get_x() const
+{
+    return x_;
+}
+double Vector::get_y() const
+{
+    return y_;
+}
+Vector& Vector::operator+=(const Vector& rhs)
+{
+    x_ += rhs.get_x();
+    y_ += rhs.get_y();
+    return *this;
+}
+Vector& Vector::operator-=(const Vector& rhs)
+{
+    x_ -= rhs.get_x();
+    y_ -= rhs.get_y();
+    return *this;
+}
+Vector& Vector::operator*=(double scalar)
+{
+    x_ *= scalar;
+    y_ *= scalar;
+    return *this;
+}
+Vector operator+(const Vector& lhs, const Vector& rhs)
+{
+    Vector lhs1{ lhs };
+    return lhs1 += rhs;
+}
+Vector operator-(const Vector& lhs, const Vector& rhs)
+{
+    Vector lhs1{ lhs };
+    return lhs1 -= rhs;
+}
+Vector operator*(const Vector& lhs, double scalar)
+{
+    Vector lhs1{ lhs };
+    return lhs1 *= scalar;
+}
+Vector operator*(double scalar, const Vector& rhs)
+{
+    return rhs * scalar;
+}
+double operator*(const Vector& lhs, const Vector& rhs)
+{
+    return lhs.get_x() * rhs.get_x() + lhs.get_y() * rhs.get_y();
+}
+
+FormatNumericalData Vector::format_numerical_data_{ "[ ", " ]", 12, true,
+                                                    true };
+
+std::ostream& operator<<(std::ostream& os, const Vector& vec)
+{
+    StateSaver savestate{ os };
+    Vector::format_numerical_data_.formatOs(os);
+    os << Vector::format_numerical_data_.prefix << vec.get_x() << " , "
+       << vec.get_y() << Vector::format_numerical_data_.suffix;
+    return os;
+}
\ No newline at end of file
-- 
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