GCC Code Coverage Report

Directory:	./
File:	Gate/GateUnitaryMatrixVariableQubits.cpp
Date:	2022-10-15 05:10:18

	Exec	Total	Coverage
Lines:	34	35	97.1%
Functions:	4	4	100.0%
Branches:	18	122	14.8%
Decisions:	10	13	76.9%

  
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      // Copyright 2019-2022 Cambridge Quantum Computing
    
      //
    
      // Licensed under the Apache License, Version 2.0 (the "License");
    
      // you may not use this file except in compliance with the License.
    
      // You may obtain a copy of the License at
    
      //
    
      //     http://www.apache.org/licenses/LICENSE-2.0
    
      //
    
      // Unless required by applicable law or agreed to in writing, software
    
      // distributed under the License is distributed on an "AS IS" BASIS,
    
      // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    
      // See the License for the specific language governing permissions and
    
      // limitations under the License.
    
      #include "GateUnitaryMatrixVariableQubits.hpp"
    
      #include <tkassert/Assert.hpp>
    
      #include "GateUnitaryMatrixImplementations.hpp"
    
      namespace tket {
    
      namespace internal {
    
      197293
      GateUnitaryMatrixVariableQubits::GateUnitaryMatrixVariableQubits(
    
      197293
          OpType op_type_)
    
      197293
          : op_type(op_type_), known_type(true), number_of_parameters(0) {
    
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      197293
        switch (op_type) {
    
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      283
          case OpType::CnRy:
    
            // Fall through.
    
          case OpType::PhaseGadget:
    
      283
            number_of_parameters = 1;
    
      283
            break;
    
      234
          case OpType::CnX:
    
          case OpType::CnZ:
    
          case OpType::CnY:
    
      234
            break;
    
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      269
          case OpType::NPhasedX:
    
      269
            number_of_parameters = 2;
    
      269
            break;
    
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      196507
          default:
    
      196507
            known_type = false;
    
        }
    
      197293
      }
    
      197293
      bool GateUnitaryMatrixVariableQubits::is_known_type() const {
    
      197293
        return known_type;
    
      }
    
      786
      unsigned GateUnitaryMatrixVariableQubits::get_number_of_parameters() const {
    
      786
        return number_of_parameters;
    
      }
    
      396
      Eigen::MatrixXcd GateUnitaryMatrixVariableQubits::get_dense_unitary(
    
          unsigned number_of_qubits, const std::vector<double>& parameters) const {
    
        // This class is internal only, so an assert is OK.
    
        TKET_ASSERT(known_type);
    
        TKET_ASSERT(parameters.size() == number_of_parameters);
    
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      396
        switch (parameters.size()) {
    
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      54
          case 0:
    
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      54
            TKET_ASSERT(
    
                op_type == OpType::CnX || op_type == OpType::CnZ ||
    
                op_type == OpType::CnY);
    
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      54
            if (op_type == OpType::CnX) {
    
      18
              return GateUnitaryMatrixImplementations::CnX(number_of_qubits);
    
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      36
            } else if (op_type == OpType::CnZ) {
    
      18
              return GateUnitaryMatrixImplementations::CnZ(number_of_qubits);
    
            } else {
    
      18
              return GateUnitaryMatrixImplementations::CnY(number_of_qubits);
    
            }
    
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          case 1:
    
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      103
            if (op_type == OpType::CnRy) {
    
              return GateUnitaryMatrixImplementations::CnRy(
    
      30
                  number_of_qubits, parameters[0]);
    
            } else {
    
              TKET_ASSERT(op_type == OpType::PhaseGadget);
    
              return GateUnitaryMatrixImplementations::PhaseGadget(
    
      73
                  number_of_qubits, parameters[0]);
    
            }
    
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      239
          case 2:
    
            TKET_ASSERT(op_type == OpType::NPhasedX);
    
            return GateUnitaryMatrixImplementations::NPhasedX(
    
      239
                number_of_qubits, parameters[0], parameters[1]);
    
        0/1✗ Decision 'true' not taken.

      ✗
          default:
    
            TKET_ASSERT(false);
    
        }
    
      }
    
      }  // namespace internal
    
      }  // namespace tket

Line	Branch	Decision	Exec	Source
1				// Copyright 2019-2022 Cambridge Quantum Computing
2				//
3				// Licensed under the Apache License, Version 2.0 (the "License");
4				// you may not use this file except in compliance with the License.
5				// You may obtain a copy of the License at
6				//
7				// http://www.apache.org/licenses/LICENSE-2.0
8				//
9				// Unless required by applicable law or agreed to in writing, software
10				// distributed under the License is distributed on an "AS IS" BASIS,
11				// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12				// See the License for the specific language governing permissions and
13				// limitations under the License.
14
15				#include "GateUnitaryMatrixVariableQubits.hpp"
16
17				#include <tkassert/Assert.hpp>
18
19				#include "GateUnitaryMatrixImplementations.hpp"
20
21				namespace tket {
22				namespace internal {
23
24			197293	GateUnitaryMatrixVariableQubits::GateUnitaryMatrixVariableQubits(
25			197293	OpType op_type_)
26			197293	: op_type(op_type_), known_type(true), number_of_parameters(0) {
27	4/4 ✓ Branch 0 taken 283 times. ✓ Branch 1 taken 234 times. ✓ Branch 2 taken 269 times. ✓ Branch 3 taken 196507 times.		197293	switch (op_type) {
28		0/1 ✗ Decision 'true' not taken.	283	case OpType::CnRy:
29				// Fall through.
30				case OpType::PhaseGadget:
31			283	number_of_parameters = 1;
32			283	break;
33			234	case OpType::CnX:
34				case OpType::CnZ:
35				case OpType::CnY:
36			234	break;
37		1/1 ✓ Decision 'true' taken 269 times.	269	case OpType::NPhasedX:
38			269	number_of_parameters = 2;
39			269	break;
40		1/1 ✓ Decision 'true' taken 196507 times.	196507	default:
41			196507	known_type = false;
42				}
43			197293	}
44
45			197293	bool GateUnitaryMatrixVariableQubits::is_known_type() const {
46			197293	return known_type;
47				}
48
49			786	unsigned GateUnitaryMatrixVariableQubits::get_number_of_parameters() const {
50			786	return number_of_parameters;
51				}
52
53			396	Eigen::MatrixXcd GateUnitaryMatrixVariableQubits::get_dense_unitary(
54				unsigned number_of_qubits, const std::vector<double>& parameters) const {
55				// This class is internal only, so an assert is OK.
56				TKET_ASSERT(known_type);
57				TKET_ASSERT(parameters.size() == number_of_parameters);
58	3/4 ✓ Branch 1 taken 54 times. ✓ Branch 2 taken 103 times. ✓ Branch 3 taken 239 times. ✗ Branch 4 not taken.		396	switch (parameters.size()) {
59		1/1 ✓ Decision 'true' taken 54 times.	54	case 0:
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61				op_type == OpType::CnX \|\| op_type == OpType::CnZ \|\|
62				op_type == OpType::CnY);
63	2/2 ✓ Branch 0 taken 18 times. ✓ Branch 1 taken 36 times.	2/2 ✓ Decision 'true' taken 18 times. ✓ Decision 'false' taken 36 times.	54	if (op_type == OpType::CnX) {
64			18	return GateUnitaryMatrixImplementations::CnX(number_of_qubits);
65	2/2 ✓ Branch 0 taken 18 times. ✓ Branch 1 taken 18 times.	2/2 ✓ Decision 'true' taken 18 times. ✓ Decision 'false' taken 18 times.	36	} else if (op_type == OpType::CnZ) {
66			18	return GateUnitaryMatrixImplementations::CnZ(number_of_qubits);
67				} else {
68			18	return GateUnitaryMatrixImplementations::CnY(number_of_qubits);
69				}
70		1/1 ✓ Decision 'true' taken 103 times.	103	case 1:
71	2/2 ✓ Branch 0 taken 30 times. ✓ Branch 1 taken 73 times.	2/2 ✓ Decision 'true' taken 30 times. ✓ Decision 'false' taken 73 times.	103	if (op_type == OpType::CnRy) {
72				return GateUnitaryMatrixImplementations::CnRy(
73			30	number_of_qubits, parameters[0]);
74				} else {
75				TKET_ASSERT(op_type == OpType::PhaseGadget);
76				return GateUnitaryMatrixImplementations::PhaseGadget(
77			73	number_of_qubits, parameters[0]);
78				}
79		0/1 ✗ Decision 'true' not taken.	239	case 2:
80				TKET_ASSERT(op_type == OpType::NPhasedX);
81				return GateUnitaryMatrixImplementations::NPhasedX(
82			239	number_of_qubits, parameters[0], parameters[1]);
83		0/1 ✗ Decision 'true' not taken.	✗	default:
84				TKET_ASSERT(false);
85				}
86				}
87
88				} // namespace internal
89				} // namespace tket
90