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R9490/homework4/vector_inline.hh
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vector_inline.hh
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#include "vector.hh"
inline Real& Vector::operator[](UInt i) {
return values[i];
}
inline const Real& Vector::operator[](UInt i) const {
return values[i];
}
inline Real Vector::squaredNorm() const {
Real res = 0;
for (auto& val : values) {
res += val * val;
}
return res;
}
/* -------------------------------------------------------------------------- */
inline Vector& Vector::operator+=(const Vector& vec) {
for (UInt i = 0; i < dim; ++i)
values[i] += vec[i];
return *this;
}
inline Vector& Vector::operator-=(const Vector& vec) {
for (UInt i = 0; i < dim; ++i)
values[i] -= vec[i];
return *this;
}
inline Vector& Vector::operator*=(Real val) {
for (auto& v : values)
v *= val;
return *this;
}
inline Vector& Vector::operator/=(Real val) {
for (auto& v : values)
v /= val;
return *this;
}
/* -------------------------------------------------------------------------- */
inline Vector& Vector::operator=(const Vector& vec) {
std::copy(vec.values.begin(), vec.values.end(), values.begin());
return *this;
}
inline Vector& Vector::operator=(Real val) {
std::fill(values.begin(), values.end(), val);
return *this;
}
/* -------------------------------------------------------------------------- */
inline Vector operator+(const Vector& a, const Vector& b) {
Vector res(a);
res += b;
return res;
}
inline Vector operator-(const Vector& a, const Vector& b) {
Vector res(a);
res -= b;
return res;
}
inline Vector operator*(const Vector& a, Real val) {
Vector res(a);
res *= val;
return res;
}
inline Vector operator*(Real val, const Vector& a) {
return a * val;
}
inline Vector operator/(const Vector& a, Real val) {
Vector res(a);
res /= val;
return res;
}
/* -------------------------------------------------------------------------- */
/// standard output stream operator
inline std::ostream& operator<<(std::ostream& stream, const Vector& _this) {
for (auto& v : _this.values)
stream << v << " ";
return stream;
}
/* -------------------------------------------------------------------------- */
/// standard input stream operator
inline std::istream& operator>>(std::istream& stream, Vector& _this) {
for (auto& v : _this.values)
stream >> v;
return stream;
}
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