C++ library for a binary quadratic model
Project description
cimod : C++ header-only library for a binary quadratic model
How to use
You should just include a header src/binary_quadratic_model.hpp
in your project.
Example
C++
#include "src/binary_quadratic_model.hpp"
using namespace cimod;
int main()
{
// Set linear biases and quadratic biases
Linear<uint32_t, double> linear{ {1, 1.0}, {2, 2.0}, {3, 3.0}, {4, 4.0} };
Quadratic<uint32_t, double> quadratic
{
{std::make_pair(1, 2), 12.0}, {std::make_pair(1, 3), 13.0}, {std::make_pair(1, 4), 14.0},
{std::make_pair(2, 3), 23.0}, {std::make_pair(2, 4), 24.0},
{std::make_pair(3, 4), 34.0}
};
// Set offset
double offset = 0.0;
// Set variable type
Vartype vartype = Vartype::BINARY;
// Create a BinaryQuadraticModel instance
BinaryQuadraticModel<uint32_t, double> bqm(linear, quadratic, offset, vartype);
// Print informations of bqm
bqm.print();
return 0;
}
Python
import cimod
import dimod
# Set linear biases and quadratic biases
linear = {1:1.0, 2:2.0, 3:3.0, 4:4.0}
quadratic = {(1,2):12.0, (1,3):13.0, (1,4):14.0, (2,3):23.0, (2,4):24.0, (3,4):34.0}
# Set offset
offset = 0.0
# Set variable type
vartype = dimod.BINARY
# Create a BinaryQuadraticModel instance
bqm = cimod.BinaryQuadraticModel(linear, quadratic, offset, vartype)
# Print informations of bqm
bqm.print()
Install (via python)
$ python setup.py install
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