Detailed Description

Definition at line 741 of file dae_builder_internal.hpp.

Collaboration diagram for casadi::DaeBuilderInternal::CallIO:

[legend]

Public Member Functions
void	calc_jac ()

void	calc_grad ()

void	calc_hess ()

const MX &	jac (casadi_int oind, casadi_int iind) const

const MX &	hess (casadi_int iind1, casadi_int iind2) const

Public Attributes
Function	f

Function	adj1_f

Function	J

Function	H

std::vector< size_t >	v

std::vector< size_t >	vdef

std::vector< MX >	arg

std::vector< MX >	res

std::vector< MX >	jac_res

std::vector< MX >	adj1_arg

std::vector< MX >	adj1_res

std::vector< MX >	hess_res

Member Function Documentation

◆ calc_grad()

void casadi::DaeBuilderInternal::CallIO::calc_grad ( )

Definition at line 2340 of file dae_builder_internal.cpp.

                                          {
   // Consistency checks
   for (casadi_int i = 0; i < this->f.n_in(); ++i) {
     casadi_assert(this->f.size_in(i) == this->arg.at(i).size(), "Call input not provided");
   }
   casadi_assert(this->adj1_arg.size() == this->res.size(), "Input 'lam_vdef' not provided");
   for (casadi_int i = 0; i < this->f.n_out(); ++i) {
     casadi_assert(this->f.size_out(i) == this->res.at(i).size(), "Call output not provided");
     casadi_assert(this->adj1_arg.at(i).size() == this->res.at(i).size(),
       "Call adjoint seed not provided");
   }
   // We should make use of the Jacobian blocks here, if available
   if (!this->jac_res.empty())
     casadi_warning("Jacobian blocks currently not reused for gradient calculation");
   // Get/generate the (cached) adjoint function
   // casadi_message("Retrieving the gradient of " + str(this->f));
   this->adj1_f = this->f.reverse(1);
   // casadi_message("Retrieving the gradient of " + str(this->f) + " done");
   // Input expressions for the call to adj1_f
   std::vector<MX> call_in = this->arg;
   call_in.insert(call_in.end(), this->res.begin(), this->res.end());
   call_in.insert(call_in.end(), this->adj1_arg.begin(), this->adj1_arg.end());
   // Create expressions for adjoint sweep and save to struct
   this->adj1_res = this->adj1_f(call_in);
 }

◆ calc_hess()

void casadi::DaeBuilderInternal::CallIO::calc_hess ( )

Definition at line 2366 of file dae_builder_internal.cpp.

                                          {
   // Calculate gradient, if needed
   if (this->adj1_f.is_null()) calc_grad();
   // Get/generate the (cached) Hessian function
   // casadi_message("Retrieving the Hessian of " + str(this->f));
   this->H = this->adj1_f.jacobian();
   // casadi_message("Retrieving the Hessian of " + str(this->f) + " done");
   // Input expressions for the call to H
   std::vector<MX> call_in = this->arg;
   call_in.insert(call_in.end(), this->res.begin(), this->res.end());
   call_in.insert(call_in.end(), this->adj1_arg.begin(), this->adj1_arg.end());
   call_in.insert(call_in.end(), this->adj1_res.begin(), this->adj1_res.end());
   // Create expressions for Hessian blocks and save to struct
   this->hess_res = this->H(call_in);
 }

◆ calc_jac()

void casadi::DaeBuilderInternal::CallIO::calc_jac ( )

Definition at line 2321 of file dae_builder_internal.cpp.

                                         {
   // Consistency checks
   for (casadi_int i = 0; i < this->f.n_in(); ++i) {
     casadi_assert(this->f.size_in(i) == this->arg.at(i).size(), "Call input not provided");
   }
   for (casadi_int i = 0; i < this->f.n_out(); ++i) {
     casadi_assert(this->f.size_out(i) == this->res.at(i).size(), "Call output not provided");
   }
   // Get/generate the (cached) Jacobian function
   // casadi_message("Retrieving the Jacobian of " + str(this->f));
   this->J = this->f.jacobian();
   // casadi_message("Retrieving the Jacobian of " + str(this->f) + " done");
   // Input expressions for the call to J
   std::vector<MX> call_in = this->arg;
   call_in.insert(call_in.end(), this->res.begin(), this->res.end());
   // Create expressions for Jacobian blocks and save to struct
   this->jac_res = this->J(call_in);
 }

References arg, f, J, jac_res, casadi::Function::jacobian(), casadi::Function::n_in(), casadi::Function::n_out(), casadi::Function::size_in(), and casadi::Function::size_out().

◆ hess()

const MX & casadi::DaeBuilderInternal::CallIO::hess	(	casadi_int	iind1,
		casadi_int	iind2
	)		const

Definition at line 2389 of file dae_builder_internal.cpp.

                                                                                  {
   // Flat index
   casadi_int ind = iind1 + iind1 * this->adj1_arg.size();
   // Return reference
   return this->hess_res.at(ind);
 }

References casadi::GenericMatrix< MatType >::size().

◆ jac()

const MX & casadi::DaeBuilderInternal::CallIO::jac	(	casadi_int	oind,
		casadi_int	iind
	)		const

Definition at line 2382 of file dae_builder_internal.cpp.

                                                                               {
   // Flat index
   casadi_int ind = iind + oind * this->arg.size();
   // Return reference
   return this->jac_res.at(ind);
 }