QuEST_internal.h
Go to the documentation of this file.
1 // Distributed under MIT licence. See https://github.com/QuEST-Kit/QuEST/blob/master/LICENCE.txt for details
2 
11 # ifndef QUEST_INTERNAL_H
12 # define QUEST_INTERNAL_H
13 
14 # include "QuEST.h"
15 # include "QuEST_precision.h"
16 
17 # ifdef __cplusplus
18 extern "C" {
19 # endif
20 
21 
22 /*
23  * general functions
24  */
25 
26 long long int getQubitBitMask(int* controlQubits, int numControlQubits);
27 
28 long long int getControlFlipMask(int* controlQubits, int* controlState, int numControlQubits);
29 
30 unsigned long int hashString(char *str);
31 
33 
35 
37 
39 
41 
42 void ensureIndsIncrease(int* ind1, int* ind2);
43 
44 void getComplexPairFromRotation(qreal angle, Vector axis, Complex* alpha, Complex* beta);
45 
46 void getZYZRotAnglesFromComplexPair(Complex alpha, Complex beta, qreal* rz2, qreal* ry, qreal* rz1);
47 
48 void getComplexPairAndPhaseFromUnitary(ComplexMatrix2 u, Complex* alpha, Complex* beta, qreal* globalPhase);
49 
50 void shiftIndices(int* indices, int numIndices, int shift);
51 
53 
54 void getQuESTDefaultSeedKey(unsigned long int *key);
55 
56 
57 /*
58  * operations upon density matrices
59  */
60 
61 void densmatr_initPlusState(Qureg targetQureg);
62 
63 void densmatr_initClassicalState(Qureg qureg, long long int stateInd);
64 
65 void densmatr_initPureState(Qureg targetQureg, Qureg copyQureg);
66 
68 
70 
71 qreal densmatr_calcFidelity(Qureg qureg, Qureg pureState);
72 
74 
76 
77 qreal densmatr_calcProbOfOutcome(Qureg qureg, int measureQubit, int outcome);
78 
79 void densmatr_collapseToKnownProbOutcome(Qureg qureg, int measureQubit, int outcome, qreal outcomeProb);
80 
81 int densmatr_measureWithStats(Qureg qureg, int measureQubit, qreal *outcomeProb);
82 
83 void densmatr_mixDephasing(Qureg qureg, int targetQubit, qreal dephase);
84 
85 void densmatr_mixTwoQubitDephasing(Qureg qureg, int qubit1, int qubit2, qreal dephase);
86 
87 void densmatr_mixDepolarising(Qureg qureg, int targetQubit, qreal depolLevel);
88 
89 void densmatr_mixDamping(Qureg qureg, int targetQubit, qreal damping);
90 
91 void densmatr_mixTwoQubitDepolarising(Qureg qureg, int qubit1, int qubit2, qreal depolLevel);
92 
93 void densmatr_mixPauli(Qureg qureg, int qubit, qreal pX, qreal pY, qreal pZ);
94 
95 void densmatr_mixDensityMatrix(Qureg combineQureg, qreal otherProb, Qureg otherQureg);
96 
97 void densmatr_mixKrausMap(Qureg qureg, int target, ComplexMatrix2 *ops, int numOps);
98 
99 void densmatr_mixTwoQubitKrausMap(Qureg qureg, int target1, int target2, ComplexMatrix4 *ops, int numOps);
100 
101 void densmatr_mixMultiQubitKrausMap(Qureg qureg, int* targets, int numTargets, ComplexMatrixN* ops, int numOps);
102 
104 
106 
107 
108 /*
109  * operations upon state vectors
110  */
111 
112 void statevec_reportStateToScreen(Qureg qureg, QuESTEnv env, int reportRank);
113 
114 int statevec_compareStates(Qureg mq1, Qureg mq2, qreal precision);
115 
116 int statevec_initStateFromSingleFile(Qureg *qureg, char filename[200], QuESTEnv env);
117 
118 void statevec_initStateOfSingleQubit(Qureg *qureg, int qubitId, int outcome);
119 
120 void statevec_createQureg(Qureg *qureg, int numQubits, QuESTEnv env);
121 
122 void statevec_destroyQureg(Qureg qureg, QuESTEnv env);
123 
124 void statevec_initBlankState(Qureg qureg);
125 
126 void statevec_initZeroState(Qureg qureg);
127 
128 void statevec_initPlusState(Qureg qureg);
129 
130 void statevec_initDebugState(Qureg qureg);
131 
132 void statevec_initClassicalState(Qureg qureg, long long int stateInd);
133 
134 void statevec_setAmps(Qureg qureg, long long int startInd, qreal* reals, qreal* imags, long long int numAmps);
135 
136 void statevec_cloneQureg(Qureg targetQureg, Qureg copyQureg);
137 
138 void statevec_multiControlledPhaseFlip(Qureg qureg, int *controlQubits, int numControlQubits);
139 
140 void statevec_controlledPhaseFlip(Qureg qureg, int idQubit1, int idQubit2);
141 
142 void statevec_phaseShift(Qureg qureg, int targetQubit, qreal angle);
143 
144 void statevec_phaseShiftByTerm(Qureg qureg, int targetQubit, Complex term);
145 
146 void statevec_controlledPhaseShift(Qureg qureg, int idQubit1, int idQubit2, qreal angle);
147 
148 void statevec_multiControlledPhaseShift(Qureg qureg, int *controlQubits, int numControlQubits, qreal angle);
149 
150 void statevec_sGate(Qureg qureg, int targetQubit);
151 
152 void statevec_tGate(Qureg qureg, int targetQubit);
153 
154 void statevec_sGateConj(Qureg qureg, int targetQubit);
155 
156 void statevec_tGateConj(Qureg qureg, int targetQubit);
157 
158 void statevec_pauliX(Qureg qureg, int targetQubit);
159 
160 void statevec_pauliY(Qureg qureg, int targetQubit);
161 
162 void statevec_pauliYConj(Qureg qureg, int targetQubit);
163 
164 void statevec_pauliZ(Qureg qureg, int targetQubit);
165 
166 void statevec_controlledPauliY(Qureg qureg, int controlQubit, int targetQubit);
167 
168 void statevec_controlledPauliYConj(Qureg qureg, int controlQubit, int targetQubit);
169 
170 qreal statevec_getRealAmp(Qureg qureg, long long int index);
171 
172 qreal statevec_getImagAmp(Qureg qureg, long long int index);
173 
174 qreal statevec_getProbAmp(Qureg qureg, long long int index);
175 
177 
178 qreal statevec_calcFidelity(Qureg qureg, Qureg pureState);
179 
181 
182 qreal statevec_calcExpecPauliProd(Qureg qureg, int* targetQubits, enum pauliOpType* pauliCodes, int numTargets, Qureg workspace);
183 
184 qreal statevec_calcExpecPauliSum(Qureg qureg, enum pauliOpType* allCodes, qreal* termCoeffs, int numSumTerms, Qureg workspace);
185 
186 void statevec_compactUnitary(Qureg qureg, int targetQubit, Complex alpha, Complex beta);
187 
188 void statevec_unitary(Qureg qureg, int targetQubit, ComplexMatrix2 u);
189 
190 void statevec_twoQubitUnitary(Qureg qureg, int targetQubit1, int targetQubit2, ComplexMatrix4 u);
191 
192 void statevec_controlledTwoQubitUnitary(Qureg qureg, int controlQubit, int targetQubit1, int targetQubit2, ComplexMatrix4 u);
193 
194 void statevec_multiControlledTwoQubitUnitary(Qureg qureg, long long int ctrlMask, int targetQubit1, int targetQubit2, ComplexMatrix4 u);
195 
196 void statevec_multiQubitUnitary(Qureg qureg, int* targets, int numTargets, ComplexMatrixN u);
197 
198 void statevec_controlledMultiQubitUnitary(Qureg qureg, int ctrl, int* targets, int numTargets, ComplexMatrixN u);
199 
200 void statevec_multiControlledMultiQubitUnitary(Qureg qureg, long long int ctrlMask, int* targs, int numTargs, ComplexMatrixN u);
201 
202 void statevec_rotateX(Qureg qureg, int rotQubit, qreal angle);
203 
204 void statevec_rotateY(Qureg qureg, int rotQubit, qreal angle);
205 
206 void statevec_rotateZ(Qureg qureg, int rotQubit, qreal angle);
207 
208 void statevec_rotateAroundAxis(Qureg qureg, int rotQubit, qreal angle, Vector axis);
209 
210 void statevec_rotateAroundAxisConj(Qureg qureg, int rotQubit, qreal angle, Vector axis);
211 
212 void statevec_controlledRotateX(Qureg qureg, int controlQubit, int targetQubit, qreal angle);
213 
214 void statevec_controlledRotateY(Qureg qureg, int controlQubit, int targetQubit, qreal angle);
215 
216 void statevec_controlledRotateZ(Qureg qureg, int controlQubit, int targetQubit, qreal angle);
217 
218 void statevec_controlledRotateAroundAxis(Qureg qureg, int controlQubit, int targetQubit, qreal angle, Vector axis);
219 
220 void statevec_controlledRotateAroundAxisConj(Qureg qureg, int controlQubit, int targetQubit, qreal angle, Vector axis);
221 
222 void statevec_controlledCompactUnitary(Qureg qureg, int controlQubit, int targetQubit, Complex alpha, Complex beta);
223 
224 void statevec_controlledUnitary(Qureg qureg, int controlQubit, int targetQubit, ComplexMatrix2 u);
225 
226 void statevec_multiControlledUnitary(Qureg qureg, long long int ctrlQubitsMask, long long int ctrlFlipMask, int targetQubit, ComplexMatrix2 u);
227 
228 void statevec_hadamard(Qureg qureg, int targetQubit);
229 
230 void statevec_controlledNot(Qureg qureg, int controlQubit, int targetQubit);
231 
232 qreal statevec_calcProbOfOutcome(Qureg qureg, int measureQubit, int outcome);
233 
234 void statevec_collapseToKnownProbOutcome(Qureg qureg, int measureQubit, int outcome, qreal outcomeProb);
235 
236 int statevec_measureWithStats(Qureg qureg, int measureQubit, qreal *outcomeProb);
237 
238 void statevec_swapQubitAmps(Qureg qureg, int qb1, int qb2);
239 
240 void statevec_sqrtSwapGate(Qureg qureg, int qb1, int qb2);
241 
242 void statevec_sqrtSwapGateConj(Qureg qureg, int qb1, int qb2);
243 
244 void statevec_multiRotateZ(Qureg qureg, long long int mask, qreal angle);
245 
246 void statevec_multiRotatePauli(Qureg qureg, int* targetQubits, enum pauliOpType* targetPaulis, int numTargets, qreal angle, int applyConj);
247 
248 void statevec_setWeightedQureg(Complex fac1, Qureg qureg1, Complex fac2, Qureg qureg2, Complex facOut, Qureg out);
249 
250 void statevec_applyPauliSum(Qureg inQureg, enum pauliOpType* allCodes, qreal* termCoeffs, int numSumTerms, Qureg outQureg);
251 
253 
255 
256 
257 /*
258  * operations which differentiate between state-vectors and density matrices internally
259  */
260 
261 void agnostic_applyTrotterCircuit(Qureg qureg, PauliHamil hamil, qreal time, int order, int reps);
262 
263 DiagonalOp agnostic_createDiagonalOp(int numQubits, QuESTEnv env);
264 
266 
268 
269 void agnostic_setDiagonalOpElems(DiagonalOp op, long long int startInd, qreal* real, qreal* imag, long long int numElems);
270 
271 # ifdef __cplusplus
272 }
273 # endif
274 
275 # endif // QUEST_INTERNAL_H
void agnostic_destroyDiagonalOp(DiagonalOp op)
Definition: QuEST_cpu.c:1357
void densmatr_mixDepolarising(Qureg qureg, int targetQubit, qreal depolLevel)
void densmatr_mixMultiQubitKrausMap(Qureg qureg, int *targets, int numTargets, ComplexMatrixN *ops, int numOps)
Definition: QuEST_common.c:643
Represents a 3-vector of real numbers.
Definition: QuEST.h:148
pauliOpType
Codes for specifying Pauli operators.
Definition: QuEST.h:96
void statevec_applyPauliSum(Qureg inQureg, enum pauliOpType *allCodes, qreal *termCoeffs, int numSumTerms, Qureg outQureg)
Definition: QuEST_common.c:494
void densmatr_initPlusState(Qureg targetQureg)
Definition: QuEST_cpu.c:1154
qreal densmatr_calcInnerProduct(Qureg a, Qureg b)
qreal statevec_calcFidelity(Qureg qureg, Qureg pureState)
Definition: QuEST_common.c:377
void statevec_sqrtSwapGate(Qureg qureg, int qb1, int qb2)
Definition: QuEST_common.c:384
void statevec_sGateConj(Qureg qureg, int targetQubit)
Definition: QuEST_common.c:279
qreal densmatr_calcPurity(Qureg qureg)
Computes the trace of the density matrix squared.
void statevec_unitary(Qureg qureg, int targetQubit, ComplexMatrix2 u)
void statevec_multiControlledMultiQubitUnitary(Qureg qureg, long long int ctrlMask, int *targs, int numTargs, ComplexMatrixN u)
This calls swapQubitAmps only when it would involve a distributed communication; if the qubit chunks ...
void statevec_multiRotateZ(Qureg qureg, long long int mask, qreal angle)
Definition: QuEST_cpu.c:3109
void agnostic_syncDiagonalOp(DiagonalOp op)
Definition: QuEST_cpu.c:1362
void statevec_destroyQureg(Qureg qureg, QuESTEnv env)
Definition: QuEST_cpu.c:1317
qreal statevec_calcProbOfOutcome(Qureg qureg, int measureQubit, int outcome)
void statevec_controlledPauliY(Qureg qureg, int controlQubit, int targetQubit)
void statevec_controlledPhaseShift(Qureg qureg, int idQubit1, int idQubit2, qreal angle)
Definition: QuEST_cpu.c:3019
void statevec_initStateOfSingleQubit(Qureg *qureg, int qubitId, int outcome)
Initialise the state vector of probability amplitudes such that one qubit is set to 'outcome' and all...
Definition: QuEST_cpu.c:1545
Represents a 4x4 matrix of complex numbers.
Definition: QuEST.h:125
void densmatr_initClassicalState(Qureg qureg, long long int stateInd)
Definition: QuEST_cpu.c:1115
Information about the environment the program is running in.
Definition: QuEST.h:242
void statevec_rotateX(Qureg qureg, int rotQubit, qreal angle)
Definition: QuEST_common.c:293
void statevec_multiControlledPhaseShift(Qureg qureg, int *controlQubits, int numControlQubits, qreal angle)
Definition: QuEST_cpu.c:3059
void statevec_pauliY(Qureg qureg, int targetQubit)
int densmatr_measureWithStats(Qureg qureg, int measureQubit, qreal *outcomeProb)
Definition: QuEST_common.c:369
void statevec_rotateY(Qureg qureg, int rotQubit, qreal angle)
Definition: QuEST_common.c:299
Represents a general 2^N by 2^N matrix of complex numbers.
Definition: QuEST.h:136
void densmatr_mixPauli(Qureg qureg, int qubit, qreal pX, qreal pY, qreal pZ)
Definition: QuEST_common.c:676
void shiftIndices(int *indices, int numIndices, int shift)
Definition: QuEST_common.c:150
void statevec_controlledMultiQubitUnitary(Qureg qureg, int ctrl, int *targets, int numTargets, ComplexMatrixN u)
Definition: QuEST_common.c:535
void densmatr_mixKrausMap(Qureg qureg, int target, ComplexMatrix2 *ops, int numOps)
Definition: QuEST_common.c:600
#define qreal
void statevec_rotateAroundAxis(Qureg qureg, int rotQubit, qreal angle, Vector axis)
Definition: QuEST_common.c:311
DiagonalOp agnostic_createDiagonalOp(int numQubits, QuESTEnv env)
Definition: QuEST_cpu.c:1335
void statevec_controlledRotateAroundAxis(Qureg qureg, int controlQubit, int targetQubit, qreal angle, Vector axis)
Definition: QuEST_common.c:327
void statevec_swapQubitAmps(Qureg qureg, int qb1, int qb2)
void statevec_controlledPauliYConj(Qureg qureg, int controlQubit, int targetQubit)
void statevec_rotateAroundAxisConj(Qureg qureg, int rotQubit, qreal angle, Vector axis)
Definition: QuEST_common.c:318
void agnostic_applyTrotterCircuit(Qureg qureg, PauliHamil hamil, qreal time, int order, int reps)
Definition: QuEST_common.c:773
qreal densmatr_calcTotalProb(Qureg qureg)
void statevec_phaseShift(Qureg qureg, int targetQubit, qreal angle)
Definition: QuEST_common.c:251
void densmatr_collapseToKnownProbOutcome(Qureg qureg, int measureQubit, int outcome, qreal outcomeProb)
Renorms (/prob) every | * outcome * >< * outcome * | state, setting all others to zero.
Definition: QuEST_cpu.c:785
void statevec_controlledUnitary(Qureg qureg, int controlQubit, int targetQubit, ComplexMatrix2 u)
Complex statevec_calcExpecDiagonalOp(Qureg qureg, DiagonalOp op)
void statevec_tGate(Qureg qureg, int targetQubit)
Definition: QuEST_common.c:272
void densmatr_mixDensityMatrix(Qureg combineQureg, qreal otherProb, Qureg otherQureg)
Definition: QuEST_cpu.c:890
long long int getControlFlipMask(int *controlQubits, int *controlState, int numControlQubits)
Definition: QuEST_common.c:54
void statevec_initZeroState(Qureg qureg)
Definition: QuEST_cpu.c:1428
void densmatr_mixDephasing(Qureg qureg, int targetQubit, qreal dephase)
Definition: QuEST_cpu.c:79
qreal statevec_calcExpecPauliProd(Qureg qureg, int *targetQubits, enum pauliOpType *pauliCodes, int numTargets, Qureg workspace)
Definition: QuEST_common.c:465
void statevec_controlledRotateY(Qureg qureg, int controlQubit, int targetQubit, qreal angle)
Definition: QuEST_common.c:349
void statevec_initBlankState(Qureg qureg)
Definition: QuEST_cpu.c:1398
void statevec_reportStateToScreen(Qureg qureg, QuESTEnv env, int reportRank)
Print the current state vector of probability amplitudes for a set of qubits to standard out.
Definition: QuEST_cpu.c:1366
void statevec_sqrtSwapGateConj(Qureg qureg, int qb1, int qb2)
Definition: QuEST_common.c:397
void statevec_applyDiagonalOp(Qureg qureg, DiagonalOp op)
Definition: QuEST_cpu.c:3661
void statevec_setAmps(Qureg qureg, long long int startInd, qreal *reals, qreal *imags, long long int numAmps)
Definition: QuEST_cpu.c:1237
void statevec_cloneQureg(Qureg targetQureg, Qureg copyQureg)
works for both statevectors and density matrices
Definition: QuEST_cpu.c:1506
void statevec_controlledRotateAroundAxisConj(Qureg qureg, int controlQubit, int targetQubit, qreal angle, Vector axis)
Definition: QuEST_common.c:334
void densmatr_mixTwoQubitDephasing(Qureg qureg, int qubit1, int qubit2, qreal dephase)
Definition: QuEST_cpu.c:84
void statevec_controlledRotateX(Qureg qureg, int controlQubit, int targetQubit, qreal angle)
Definition: QuEST_common.c:343
void statevec_multiControlledTwoQubitUnitary(Qureg qureg, long long int ctrlMask, int targetQubit1, int targetQubit2, ComplexMatrix4 u)
This calls swapQubitAmps only when it would involve a distributed communication; if the qubit chunks ...
void statevec_initPlusState(Qureg qureg)
Definition: QuEST_cpu.c:1438
void statevec_tGateConj(Qureg qureg, int targetQubit)
Definition: QuEST_common.c:286
void statevec_compactUnitary(Qureg qureg, int targetQubit, Complex alpha, Complex beta)
Represents a diagonal complex operator on the full Hilbert state of a Qureg.
Definition: QuEST.h:178
void statevec_pauliZ(Qureg qureg, int targetQubit)
Definition: QuEST_common.c:258
Represents a weighted sum of pauli products.
Definition: QuEST.h:158
void ensureIndsIncrease(int *ind1, int *ind2)
Definition: QuEST_common.c:64
void densmatr_mixDamping(Qureg qureg, int targetQubit, qreal damping)
void statevec_multiControlledPhaseFlip(Qureg qureg, int *controlQubits, int numControlQubits)
Definition: QuEST_cpu.c:3331
Complex densmatr_calcExpecDiagonalOp(Qureg qureg, DiagonalOp op)
void densmatr_mixTwoQubitDepolarising(Qureg qureg, int qubit1, int qubit2, qreal depolLevel)
unsigned long int hashString(char *str)
Definition: QuEST_common.c:172
ComplexMatrix2 getConjugateMatrix2(ComplexMatrix2 src)
Definition: QuEST_common.c:99
void setConjugateMatrixN(ComplexMatrixN m)
Definition: QuEST_common.c:109
void statevec_multiRotatePauli(Qureg qureg, int *targetQubits, enum pauliOpType *targetPaulis, int numTargets, qreal angle, int applyConj)
applyConj=1 will apply conjugate operation, else applyConj=0
Definition: QuEST_common.c:411
void getComplexPairFromRotation(qreal angle, Vector axis, Complex *alpha, Complex *beta)
Definition: QuEST_common.c:114
Complex statevec_calcInnerProduct(Qureg bra, Qureg ket)
Terrible code which unnecessarily individually computes and sums the real and imaginary components of...
long long int getQubitBitMask(int *controlQubits, int numControlQubits)
Definition: QuEST_common.c:44
void statevec_setWeightedQureg(Complex fac1, Qureg qureg1, Complex fac2, Qureg qureg2, Complex facOut, Qureg out)
Definition: QuEST_cpu.c:3619
void statevec_collapseToKnownProbOutcome(Qureg qureg, int measureQubit, int outcome, qreal outcomeProb)
qreal statevec_getImagAmp(Qureg qureg, long long int index)
Represents a system of qubits.
Definition: QuEST.h:203
void statevec_initDebugState(Qureg qureg)
Initialise the state vector of probability amplitudes to an (unphysical) state with each component of...
Definition: QuEST_cpu.c:1591
void statevec_sGate(Qureg qureg, int targetQubit)
Definition: QuEST_common.c:265
void getComplexPairAndPhaseFromUnitary(ComplexMatrix2 u, Complex *alpha, Complex *beta, qreal *globalPhase)
maps U(r0c0, r0c1, r1c0, r1c1) to exp(i globalPhase) U(alpha, beta)
Definition: QuEST_common.c:136
void statevec_controlledNot(Qureg qureg, int controlQubit, int targetQubit)
void statevec_rotateZ(Qureg qureg, int rotQubit, qreal angle)
Definition: QuEST_common.c:305
qreal densmatr_calcFidelity(Qureg qureg, Qureg pureState)
void statevec_initClassicalState(Qureg qureg, long long int stateInd)
Definition: QuEST_cpu.c:1470
void statevec_hadamard(Qureg qureg, int targetQubit)
void densmatr_mixTwoQubitKrausMap(Qureg qureg, int target1, int target2, ComplexMatrix4 *ops, int numOps)
Definition: QuEST_common.c:635
void statevec_multiControlledUnitary(Qureg qureg, long long int ctrlQubitsMask, long long int ctrlFlipMask, int targetQubit, ComplexMatrix2 u)
void statevec_controlledRotateZ(Qureg qureg, int controlQubit, int targetQubit, qreal angle)
Definition: QuEST_common.c:355
int statevec_initStateFromSingleFile(Qureg *qureg, char filename[200], QuESTEnv env)
Definition: QuEST_cpu.c:1625
void statevec_phaseShiftByTerm(Qureg qureg, int targetQubit, Complex term)
Definition: QuEST_cpu.c:2978
qreal statevec_calcExpecPauliSum(Qureg qureg, enum pauliOpType *allCodes, qreal *termCoeffs, int numSumTerms, Qureg workspace)
Definition: QuEST_common.c:480
void statevec_multiQubitUnitary(Qureg qureg, int *targets, int numTargets, ComplexMatrixN u)
Definition: QuEST_common.c:529
void statevec_pauliX(Qureg qureg, int targetQubit)
qreal getVectorMagnitude(Vector vec)
Definition: QuEST_common.c:73
void agnostic_setDiagonalOpElems(DiagonalOp op, long long int startInd, qreal *real, qreal *imag, long long int numElems)
Definition: QuEST_cpu.c:3842
void statevec_controlledPhaseFlip(Qureg qureg, int idQubit1, int idQubit2)
Definition: QuEST_cpu.c:3300
void conjugateMatrixN(ComplexMatrixN u)
qreal densmatr_calcHilbertSchmidtDistance(Qureg a, Qureg b)
int statevec_compareStates(Qureg mq1, Qureg mq2, qreal precision)
Definition: QuEST_cpu.c:1675
void getZYZRotAnglesFromComplexPair(Complex alpha, Complex beta, qreal *rz2, qreal *ry, qreal *rz1)
maps U(alpha, beta) to Rz(rz2) Ry(ry) Rz(rz1)
Definition: QuEST_common.c:124
Represents one complex number.
Definition: QuEST.h:103
void statevec_twoQubitUnitary(Qureg qureg, int targetQubit1, int targetQubit2, ComplexMatrix4 u)
Definition: QuEST_common.c:517
void statevec_createQureg(Qureg *qureg, int numQubits, QuESTEnv env)
Definition: QuEST_cpu.c:1279
qreal densmatr_calcProbOfOutcome(Qureg qureg, int measureQubit, int outcome)
ComplexMatrix4 getConjugateMatrix4(ComplexMatrix4 src)
Definition: QuEST_common.c:104
void getQuESTDefaultSeedKey(unsigned long int *key)
Definition: QuEST_common.c:182
Complex getConjugateScalar(Complex scalar)
Definition: QuEST_common.c:85
int statevec_measureWithStats(Qureg qureg, int measureQubit, qreal *outcomeProb)
Definition: QuEST_common.c:361
void statevec_controlledTwoQubitUnitary(Qureg qureg, int controlQubit, int targetQubit1, int targetQubit2, ComplexMatrix4 u)
Definition: QuEST_common.c:523
void statevec_controlledCompactUnitary(Qureg qureg, int controlQubit, int targetQubit, Complex alpha, Complex beta)
qreal statevec_getProbAmp(Qureg qureg, long long int index)
Definition: QuEST_common.c:245
qreal statevec_getRealAmp(Qureg qureg, long long int index)
void statevec_pauliYConj(Qureg qureg, int targetQubit)
qreal statevec_calcTotalProb(Qureg qureg)
Represents a 2x2 matrix of complex numbers.
Definition: QuEST.h:114
void densmatr_initPureState(Qureg targetQureg, Qureg copyQureg)
void densmatr_applyDiagonalOp(Qureg qureg, DiagonalOp op)