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Conception/drake-master/solvers/scs_solver_common.cc

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2.0 KiB

/* clang-format off to disable clang-format-includes */
#include "drake/solvers/scs_solver.h"
/* clang-format on */
#include "drake/common/never_destroyed.h"
#include "drake/solvers/aggregate_costs_constraints.h"
#include "drake/solvers/mathematical_program.h"
namespace drake {
namespace solvers {
ScsSolver::ScsSolver()
: SolverBase(id(), &is_available, &is_enabled, &ProgramAttributesSatisfied,
&UnsatisfiedProgramAttributes) {}
ScsSolver::~ScsSolver() = default;
SolverId ScsSolver::id() {
static const never_destroyed<SolverId> singleton{"SCS"};
return singleton.access();
}
bool ScsSolver::is_enabled() {
return true;
}
namespace {
// If the program is compatible with this solver, returns true and clears the
// explanation. Otherwise, returns false and sets the explanation. In either
// case, the explanation can be nullptr in which case it is ignored.
bool CheckAttributes(const MathematicalProgram& prog,
std::string* explanation) {
static const never_destroyed<ProgramAttributes> solver_capabilities(
std::initializer_list<ProgramAttribute>{
ProgramAttribute::kLinearEqualityConstraint,
ProgramAttribute::kLinearConstraint,
ProgramAttribute::kLorentzConeConstraint,
ProgramAttribute::kRotatedLorentzConeConstraint,
ProgramAttribute::kPositiveSemidefiniteConstraint,
ProgramAttribute::kExponentialConeConstraint,
ProgramAttribute::kLinearCost, ProgramAttribute::kQuadraticCost});
return internal::CheckConvexSolverAttributes(
prog, solver_capabilities.access(), "ScsSolver", explanation);
}
} // namespace
bool ScsSolver::ProgramAttributesSatisfied(const MathematicalProgram& prog) {
return CheckAttributes(prog, nullptr);
}
std::string ScsSolver::UnsatisfiedProgramAttributes(
const MathematicalProgram& prog) {
std::string explanation;
CheckAttributes(prog, &explanation);
return explanation;
}
} // namespace solvers
} // namespace drake