| 145 | } |
| 146 | |
| 147 | static QStat get_U4_matrix(prob_vec params, bool is_dagger) |
| 148 | { |
| 149 | QPANDA_ASSERT(4 != params.size(), "U4 params error"); |
| 150 | |
| 151 | auto alpha = params[0]; |
| 152 | auto beta = params[1]; |
| 153 | auto gamma = params[2]; |
| 154 | auto delta = params[3]; |
| 155 | |
| 156 | QStat _U4; |
| 157 | |
| 158 | QStat matrix; |
| 159 | _U4.emplace_back(qcomplex_t(cos(alpha - beta / 2 - delta / 2)*cos(gamma / 2), |
| 160 | sin(alpha - beta / 2 - delta / 2)*cos(gamma / 2))); |
| 161 | _U4.emplace_back(qcomplex_t(-cos(alpha - beta / 2 + delta / 2)*sin(gamma / 2), |
| 162 | -sin(alpha - beta / 2 + delta / 2)*sin(gamma / 2))); |
| 163 | _U4.emplace_back(qcomplex_t(cos(alpha + beta / 2 - delta / 2)*sin(gamma / 2), |
| 164 | sin(alpha + beta / 2 - delta / 2)*sin(gamma / 2))); |
| 165 | _U4.emplace_back(qcomplex_t(cos(alpha + beta / 2 + delta / 2)*cos(gamma / 2), |
| 166 | sin(alpha + beta / 2 + delta / 2)*cos(gamma / 2))); |
| 167 | |
| 168 | if (is_dagger) dagger(_U4); |
| 169 | return _U4; |
| 170 | } |
| 171 | |
| 172 | void LinearDepthDecomposition::execute(std::shared_ptr<AbstractQGateNode> cur_node, |
| 173 | std::shared_ptr<QNode> parent_node) |