static std::ptrdiff_t invoke( const fortran_int_t n, VectorX& x, real_type& est, fortran_int_t& kase, minimal_workspace ) { namespace bindings = ::boost::numeric::bindings; bindings::detail::array< real_type > tmp_v( min_size_v( n ) ); bindings::detail::array< fortran_int_t > tmp_isgn( min_size_isgn( n ) ); return invoke( n, x, est, kase, workspace( tmp_v, tmp_isgn ) ); }
void Hamiltonian::set_v(boost::python::list v_) { /** Update Hamiltonian velocities (all are real-valued scalars -the components of Python list) - Python-friendly \param[in] v The vector of real-valued velocities to be used for Hamiltonian calculations. The velocities are only needed for vibronic Hamiltonian (adiabatic representation) calculations. Otherwise, they are not used. Only status_adi is set to 0, so only adiabatic Hamiltonian is recomputed. For future: in fact, we only need to update the vibronic Hamiltonian, so we still may save a lot, when adiabatic calculations imply electronic structure calculations */ int sz = boost::python::len(v_); vector<double> tmp_v(sz,0.0); for(int i=0; i<sz; i++) { tmp_v[i] = boost::python::extract<double>(v_[i]); } set_v(tmp_v); }
/// Main program of uncertainty propagation of the ODE model parameters via intrusive spectral projection (ISP) int main() { // Model parameters Array1D<double> modelparams; // Model parameter names Array1D<string> modelparamnames; // Auxiliary parameters: final time and time step of integration Array1D<double> modelauxparams; // Read the xml tree RefPtr<XMLElement> xmlTree=readXMLTree("lorenz.in.xml"); // Read the model-specific input readXMLModelInput(xmlTree,modelparams, modelparamnames, modelauxparams); // Total nuber of input parameters int fulldim=modelparams.XSize(); // Read the output preferences dumpInfo* outPrint=new dumpInfo; readXMLDumpInfo( xmlTree, &(outPrint->dumpInt), &(outPrint->fdumpInt), &(outPrint->dumpfile) ); // Output PC order int order; // PC type string pcType; // A 2d array (each row is an array of coefficients for the corresponding uncertain input parameter) Array2D<double> allPCcoefs; // The indices of the uncertain model parameters in the list of model parameters Array1D<int> uncParamInd; // Read the UQ-specific information from the xml tree readXMLUncInput(xmlTree,allPCcoefs,uncParamInd , &order, &pcType); // Stochastic dimensionality int dim=uncParamInd.XSize(); // Instantiate a PC object for ISP computations PCSet myPCSet("ISP",order,dim,pcType,0.0,1.0); // The number of PC terms const int nPCTerms = myPCSet.GetNumberPCTerms(); cout << "The number of PC terms in an expansion is " << nPCTerms << endl; // Print the multiindices on screen myPCSet.PrintMultiIndex(); // Initial time double t0 = 0.0; // Final time double tf = modelauxparams(0); // Time step double dTym = modelauxparams(1); // Number of steps int nStep=(int) tf / dTym; // Initial conditions of zero coverage (based on Makeev:2002) Array1D<double> u(nPCTerms,0.e0); Array1D<double> v(nPCTerms,0.e0); Array1D<double> w(nPCTerms,0.e0); Array1D<double> z(nPCTerms,0.e0); // Array to hold the PC representation of the number 1 Array1D<double> one(nPCTerms,0.e0); one(0)=1.0; // The z-species is described as z=1-u-v-w z=one; myPCSet.SubtractInPlace(z,u); myPCSet.SubtractInPlace(z,v); myPCSet.SubtractInPlace(z,w); // Right-hand sides Array1D<double> dudt(nPCTerms,0.e0); Array1D<double> dvdt(nPCTerms,0.e0); Array1D<double> dwdt(nPCTerms,0.e0); // Array of arrays to hold the input parameter PC representations in the output PC // Each element is an array of coefficients for the corresponding input parameter, whether deterministic or uncertain // The size of the array is the total number input parameters Array1D< Array1D<double> > modelparamPCs(fulldim); printf("\nInput parameter PC coefficients are given below\n"); for (int i=0; i<fulldim; i++){ printf("%s: ",modelparamnames(i).c_str()); modelparamPCs(i).Resize(nPCTerms,0.e0); for (int j=0; j<nPCTerms; j++){ modelparamPCs(i)(j)=allPCcoefs(j,i); printf(" %lg ",modelparamPCs(i)(j)); } printf("\n"); } printf("\n"); // Initial time and time step counter int step=0; double tym=t0; // Work arrays for integration Array1D<double> u_o(nPCTerms,0.e0); Array1D<double> v_o(nPCTerms,0.e0); Array1D<double> w_o(nPCTerms,0.e0); Array1D<double> tmp_u(nPCTerms,0.e0); Array1D<double> tmp_v(nPCTerms,0.e0); Array1D<double> tmp_w(nPCTerms,0.e0); // File to write the mean and stdev, name read from xml FILE *f_dump,*modes_dump; if(!(f_dump = fopen(outPrint->dumpfile.c_str(),"w"))){ printf("Could not open file '%s'\n",outPrint->dumpfile.c_str()); exit(1); } // File to dump the PC modes, name hardwired string modes_dumpfile = "solution_ISP_modes.dat"; if(!(modes_dump = fopen(modes_dumpfile.c_str(),"w"))){ printf("Could not open file '%s'\n",modes_dumpfile.c_str()); exit(1); } // write time, u, v, w (all modes) to file WriteModesToFilePtr(tym, u.GetArrayPointer(), v.GetArrayPointer(), w.GetArrayPointer(), nPCTerms, modes_dump); // Write out initial step // Get standard deviations double uStDv = myPCSet.StDv(u); double vStDv = myPCSet.StDv(v); double wStDv = myPCSet.StDv(w); // write u, v, w (mean and standard deviation) to file WriteMeanStdDevToFilePtr(tym, u(0), v(0), w(0), uStDv, vStDv, wStDv, f_dump); // write u, v, w (mean and standard deviation) to screen WriteMeanStdDevToStdOut(step, tym, u(0), v(0), w(0), uStDv, vStDv, wStDv); // Forward run while(tym < tf) { // Integrate with 2nd order Runge Kutta // Save solution at current time step myPCSet.Copy(u_o,u); myPCSet.Copy(v_o,v); myPCSet.Copy(w_o,w); // Compute right hand sides GetRHS(myPCSet,modelparamPCs(0).GetArrayPointer(),modelparamPCs(1).GetArrayPointer(),modelparamPCs(2).GetArrayPointer(),u.GetArrayPointer(),v.GetArrayPointer(),w.GetArrayPointer(),dudt.GetArrayPointer(),dvdt.GetArrayPointer(),dwdt.GetArrayPointer()); // Advance u, v, w to mid-point myPCSet.Multiply(dudt,0.5*dTym,tmp_u); // 0.5*dTym*dudt myPCSet.Multiply(dvdt,0.5*dTym,tmp_v); // 0.5*dTym*dvdt myPCSet.Multiply(dwdt,0.5*dTym,tmp_w); // 0.5*dTym*dwdt myPCSet.Add(u_o,tmp_u,u); // u = u_o + 0.5*dTym*dudt myPCSet.Add(v_o,tmp_v,v); // v = v_o + 0.5*dTym*dvdt myPCSet.Add(w_o,tmp_w,w); // w = w_o + 0.5*dTym*dwdt // Compute z = 1 - u - v - w z=one; myPCSet.SubtractInPlace(z,u); myPCSet.SubtractInPlace(z,v); myPCSet.SubtractInPlace(z,w); // Compute right hand sides GetRHS(myPCSet,modelparamPCs(0).GetArrayPointer(),modelparamPCs(1).GetArrayPointer(),modelparamPCs(2).GetArrayPointer(),u.GetArrayPointer(),v.GetArrayPointer(),w.GetArrayPointer(),dudt.GetArrayPointer(),dvdt.GetArrayPointer(),dwdt.GetArrayPointer()); // Advance u, v, w to next time step myPCSet.Multiply(dudt,dTym,tmp_u); // dTym*dudt myPCSet.Multiply(dvdt,dTym,tmp_v); // dTym*dvdt myPCSet.Multiply(dwdt,dTym,tmp_w); // dTym*dwdt myPCSet.Add(u_o,tmp_u,u); // u = u_o + dTym*dudt myPCSet.Add(v_o,tmp_v,v); // v = v_o + dTym*dvdt myPCSet.Add(w_o,tmp_w,w); // w = w_o + dTym*dwdt // Compute z = 1 - u - v - w z=one; myPCSet.SubtractInPlace(z,u); myPCSet.SubtractInPlace(z,v); myPCSet.SubtractInPlace(z,w); // Advance time and step counter tym += dTym; step+=1; // write time, u, v, w (all modes) to file if(step % outPrint->fdumpInt == 0){ WriteModesToFilePtr(tym, u.GetArrayPointer(), v.GetArrayPointer(), w.GetArrayPointer(), nPCTerms, modes_dump); } // Get standard deviations uStDv = myPCSet.StDv(u); vStDv = myPCSet.StDv(v); wStDv = myPCSet.StDv(w); // write u, v, w (mean and standard deviation) to file if(step % outPrint->fdumpInt == 0){ WriteMeanStdDevToFilePtr(tym, u(0), v(0), w(0), uStDv, vStDv, wStDv, f_dump); } // write u, v, w (mean and standard deviation) to screen if(step % outPrint->dumpInt == 0){ WriteMeanStdDevToStdOut(step, tym, u(0), v(0), w(0), uStDv, vStDv, wStDv); } } // Close output file if(fclose(f_dump)){ printf("Could not close file '%s'\n",outPrint->dumpfile.c_str()); exit(1); } // Close output file if(fclose(modes_dump)){ printf("Could not close file '%s'\n",modes_dumpfile.c_str()); exit(1); } return 0; }
void ndarr<T>::broadcast_rec(int shape_n){ vector<T> tmp_v(v); shape.insert(shape.begin(), shape_n); for (int i=0; i<shape_n-1; i++) v.insert(v.end(), tmp_v.begin(), tmp_v.end()); }