Function applyDiagMatrPower

quest/src/api/operations.cpp:352–364

extern "C" {

void applyDiagMatrPower(Qureg qureg, int* targets, int numTargets, DiagMatr matrix, qcomp exponent)  {
    validate_quregFields(qureg, __func__);
    validate_targets(qureg, targets, numTargets, __func__);
    validate_matrixDimMatchesTargets(matrix, numTargets, __func__); // also checks fields and is-synced
    validate_matrixIsUnitary(matrix, __func__);
    validate_matrixExpIsNonDiverging(matrix, exponent, __func__);
    validate_unitaryExponentIsReal(exponent, __func__);

    // notice exponent is a 'qcomp' not a 'qreal' despite validation; see applyMultiStateControlledDiagMatrPower()

    // harmlessly re-validates
    applyMultiStateControlledDiagMatrPower(qureg, nullptr, nullptr, 0, targets, numTargets, matrix, exponent);
}

void applyControlledDiagMatrPower(Qureg qureg, int control, int* targets, int numTargets, DiagMatr matrix, qcomp exponent) {
    validate_quregFields(qureg, __func__);