BigMatrix¶

BigMatrix<T> is a small matrix wrapper over std::vector<std::vector<T>>.

Header: unumber/matrix/BigMatrix.h

Supported types¶

Compile-time restricted to:

BigInteger
BigRational
BigFloat
BigDecimal

Construction¶

BigMatrix<T>(size_t rows, size_t cols);
BigMatrix<T>(const std::vector<std::vector<T>>& values);

Operations¶

BigMatrix operator+(const BigMatrix& other) const;
BigMatrix operator-(const BigMatrix& other) const;
BigMatrix operator*(const BigMatrix& other) const;
BigMatrix transpose() const;

Dimension checks throw std::invalid_argument.

Access¶

std::vector<T>& operator[](size_t i);
const std::vector<T>& operator[](size_t i) const;

Streams¶

<< prints rows as space-separated values.

>> reads elements into the existing matrix shape.

Example¶

using usub::mp::BigMatrix;
using usub::mp::BigInteger;

BigMatrix<BigInteger> A({
  {BigInteger(1), BigInteger(2)},
  {BigInteger(3), BigInteger(4)},
});

auto AT = A.transpose();
std::cout << AT;