ROL
ROL_MeanValueConstraint_Def.hpp
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43
44#ifndef ROL_MEANVALUECONSTRAINT_DEF_HPP
45#define ROL_MEANVALUECONSTRAINT_DEF_HPP
46
47namespace ROL {
48
49template<typename Real>
51 const Ptr<SampleGenerator<Real>> &sampler)
52 : con_(con) {
53 std::vector<Real> param = computeSampleMean(sampler);
54 con_->setParameter(param);
55}
56
57template<typename Real>
58void MeanValueConstraint<Real>::update( const Vector<Real> &x, bool flag, int iter ) {
59 con_->update(x,flag,iter);
60}
61
62template<typename Real>
64 con_->update(x,type,iter);
65}
66
67template<typename Real>
69 con_->value(c,x,tol);
70}
71
72template<typename Real>
74 con_->applyJacobian(jv,v,x,tol);
75}
76
77template<typename Real>
79 con_->applyAdjointJacobian(ajv,v,x,tol);
80}
81
82template<typename Real>
84 con_->applyAdjointHessian(ahuv,u,v,x,tol);
85}
86
87template<typename Real>
88std::vector<Real> MeanValueConstraint<Real>::computeSampleMean(const Ptr<SampleGenerator<Real>> &sampler) const {
89 // Compute mean value of inputs and set parameter in constraint
90 int dim = sampler->getMyPoint(0).size(), nsamp = sampler->numMySamples();
91 std::vector<Real> loc(dim), mean(dim), pt(dim);
92 Real wt(0);
93 for (int i = 0; i < nsamp; i++) {
94 pt = sampler->getMyPoint(i);
95 wt = sampler->getMyWeight(i);
96 for (int j = 0; j < dim; j++) {
97 loc[j] += wt*pt[j];
98 }
99 }
100 sampler->sumAll(&loc[0],&mean[0],dim);
101 return mean;
102}
103
104}
105
106#endif
Defines the general constraint operator interface.
void applyAdjointHessian(Vector< Real > &ahuv, const Vector< Real > &u, const Vector< Real > &v, const Vector< Real > &x, Real &tol) override
Apply the derivative of the adjoint of the constraint Jacobian at to vector in direction ,...
std::vector< Real > computeSampleMean(const Ptr< SampleGenerator< Real > > &sampler) const
void applyAdjointJacobian(Vector< Real > &ajv, const Vector< Real > &v, const Vector< Real > &x, Real &tol) override
Apply the adjoint of the the constraint Jacobian at , , to vector .
void applyJacobian(Vector< Real > &jv, const Vector< Real > &v, const Vector< Real > &x, Real &tol) override
Apply the constraint Jacobian at , , to vector .
void update(const Vector< Real > &x, bool flag=true, int iter=-1) override
Update constraint functions. x is the optimization variable, flag = true if optimization variable i...
MeanValueConstraint(const Ptr< Constraint< Real > > &con, const Ptr< SampleGenerator< Real > > &sampler)
void value(Vector< Real > &c, const Vector< Real > &x, Real &tol) override
Evaluate the constraint operator at .
const Ptr< Constraint< Real > > con_
Defines the linear algebra or vector space interface.
constexpr auto dim