void RevHesSweep(
size_t n,
size_t numvar,
local::player<Base>* play,
const Vector_set& for_jac_sparse,
bool* RevJac,
Vector_set& rev_hes_sparse
)
{
OpCode op;
size_t i_op;
size_t i_var;
const addr_t* arg = CPPAD_NULL;
// length of the parameter vector (used by CppAD assert macros)
const size_t num_par = play->num_par_rec();
size_t i, j, k;
// check numvar argument
CPPAD_ASSERT_UNKNOWN( play->num_var_rec() == numvar );
CPPAD_ASSERT_UNKNOWN( for_jac_sparse.n_set() == numvar );
CPPAD_ASSERT_UNKNOWN( rev_hes_sparse.n_set() == numvar );
CPPAD_ASSERT_UNKNOWN( numvar > 0 );
// upper limit exclusive for set elements
size_t limit = rev_hes_sparse.end();
CPPAD_ASSERT_UNKNOWN( for_jac_sparse.end() == limit );
// check number of sets match
CPPAD_ASSERT_UNKNOWN(
for_jac_sparse.n_set() == rev_hes_sparse.n_set()
);
// vecad_sparsity contains a sparsity pattern for each VecAD object.
// vecad_ind maps a VecAD index (beginning of the VecAD object)
// to the index for the corresponding set in vecad_sparsity.
size_t num_vecad_ind = play->num_vec_ind_rec();
size_t num_vecad_vec = play->num_vecad_vec_rec();
Vector_set vecad_sparse;
vecad_sparse.resize(num_vecad_vec, limit);
pod_vector<size_t> vecad_ind;
pod_vector<bool> vecad_jac;
if( num_vecad_vec > 0 )
{ size_t length;
vecad_ind.extend(num_vecad_ind);
vecad_jac.extend(num_vecad_vec);
j = 0;
for(i = 0; i < num_vecad_vec; i++)
{ // length of this VecAD
length = play->GetVecInd(j);
// set vecad_ind to proper index for this VecAD
vecad_ind[j] = i;
// make all other values for this vector invalid
for(k = 1; k <= length; k++)
vecad_ind[j+k] = num_vecad_vec;
// start of next VecAD
j += length + 1;
// initialize this vector's reverse jacobian value
vecad_jac[i] = false;
}
CPPAD_ASSERT_UNKNOWN( j == play->num_vec_ind_rec() );
}
// ----------------------------------------------------------------------
// user's atomic op calculator
atomic_base<Base>* user_atom = CPPAD_NULL; // user's atomic op calculator
//
// work space used by UserOp.
vector<Base> user_x; // parameters in x as integers
vector<size_t> user_ix; // variable indices for argument vector
vector<size_t> user_iy; // variable indices for result vector
//
// information set by forward_user (initialization to avoid warnings)
size_t user_old=0, user_m=0, user_n=0, user_i=0, user_j=0;
// information set by forward_user (necessary initialization)
enum_user_state user_state = end_user; // proper initialization
// ----------------------------------------------------------------------
//
// pointer to the beginning of the parameter vector
// (used by atomic functions
const Base* parameter = CPPAD_NULL;
if( num_par > 0 )
parameter = play->GetPar();
//
// Initialize
play->reverse_start(op, arg, i_op, i_var);
CPPAD_ASSERT_UNKNOWN( op == EndOp );
# if CPPAD_REV_HES_SWEEP_TRACE
std::cout << std::endl;
CppAD::vectorBool zf_value(limit);
CppAD::vectorBool zh_value(limit);
# endif
bool more_operators = true;
while(more_operators)
{ bool flag; // temporary for use in switch cases
//
// next op
play->reverse_next(op, arg, i_op, i_var);
# ifndef NDEBUG
if( i_op <= n )
{ CPPAD_ASSERT_UNKNOWN((op == InvOp) | (op == BeginOp));
}
else CPPAD_ASSERT_UNKNOWN((op != InvOp) & (op != BeginOp));
# endif
// rest of information depends on the case
switch( op )
{
case AbsOp:
CPPAD_ASSERT_NARG_NRES(op, 1, 1)
reverse_sparse_hessian_linear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case AddvvOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 1)
reverse_sparse_hessian_addsub_op(
i_var, arg, RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case AddpvOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 1)
reverse_sparse_hessian_linear_unary_op(
i_var, arg[1], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case AcosOp:
// sqrt(1 - x * x), acos(x)
CPPAD_ASSERT_NARG_NRES(op, 1, 2)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
# if CPPAD_USE_CPLUSPLUS_2011
case AcoshOp:
// sqrt(x * x - 1), acosh(x)
CPPAD_ASSERT_NARG_NRES(op, 1, 2)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
# endif
// -------------------------------------------------
case AsinOp:
// sqrt(1 - x * x), asin(x)
CPPAD_ASSERT_NARG_NRES(op, 1, 2)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
# if CPPAD_USE_CPLUSPLUS_2011
case AsinhOp:
// sqrt(1 + x * x), asinh(x)
CPPAD_ASSERT_NARG_NRES(op, 1, 2)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
# endif
// -------------------------------------------------
case AtanOp:
// 1 + x * x, atan(x)
CPPAD_ASSERT_NARG_NRES(op, 1, 2)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
# if CPPAD_USE_CPLUSPLUS_2011
case AtanhOp:
// 1 - x * x, atanh(x)
CPPAD_ASSERT_NARG_NRES(op, 1, 2)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
# endif
// -------------------------------------------------
case BeginOp:
CPPAD_ASSERT_NARG_NRES(op, 1, 1)
more_operators = false;
break;
// -------------------------------------------------
case CSkipOp:
// CSkipOp has a variable number of arguments and
// reverse_next thinks it one has one argument.
// We must inform reverse_next of this special case.
play->reverse_cskip(op, arg, i_op, i_var);
break;
// -------------------------------------------------
case CSumOp:
// CSumOp has a variable number of arguments and
// reverse_next thinks it one has one argument.
// We must inform reverse_next of this special case.
play->reverse_csum(op, arg, i_op, i_var);
reverse_sparse_hessian_csum_op(
i_var, arg, RevJac, rev_hes_sparse
);
break;
// -------------------------------------------------
case CExpOp:
reverse_sparse_hessian_cond_op(
i_var, arg, num_par, RevJac, rev_hes_sparse
);
break;
// ---------------------------------------------------
case CosOp:
// sin(x), cos(x)
CPPAD_ASSERT_NARG_NRES(op, 1, 2)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// ---------------------------------------------------
case CoshOp:
// sinh(x), cosh(x)
CPPAD_ASSERT_NARG_NRES(op, 1, 2)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case DisOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 1)
// derivativve is identically zero
break;
// -------------------------------------------------
case DivvvOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 1)
reverse_sparse_hessian_div_op(
i_var, arg, RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case DivpvOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 1)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[1], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case DivvpOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 1)
reverse_sparse_hessian_linear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case ErfOp:
// arg[1] is always the parameter 0
// arg[2] is always the parameter 2 / sqrt(pi)
CPPAD_ASSERT_NARG_NRES(op, 3, 5);
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case ExpOp:
CPPAD_ASSERT_NARG_NRES(op, 1, 1)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
# if CPPAD_USE_CPLUSPLUS_2011
case Expm1Op:
CPPAD_ASSERT_NARG_NRES(op, 1, 1)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
# endif
// -------------------------------------------------
case InvOp:
CPPAD_ASSERT_NARG_NRES(op, 0, 1)
// Z is already defined
break;
// -------------------------------------------------
case LdpOp:
reverse_sparse_hessian_load_op(
op,
i_var,
arg,
num_vecad_ind,
vecad_ind.data(),
rev_hes_sparse,
vecad_sparse,
RevJac,
vecad_jac.data()
);
break;
// -------------------------------------------------
case LdvOp:
reverse_sparse_hessian_load_op(
op,
i_var,
arg,
num_vecad_ind,
vecad_ind.data(),
rev_hes_sparse,
vecad_sparse,
RevJac,
vecad_jac.data()
);
break;
// -------------------------------------------------
case EqpvOp:
case EqvvOp:
case LtpvOp:
case LtvpOp:
case LtvvOp:
case LepvOp:
case LevpOp:
case LevvOp:
case NepvOp:
case NevvOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 0);
break;
// -------------------------------------------------
case LogOp:
CPPAD_ASSERT_NARG_NRES(op, 1, 1)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
# if CPPAD_USE_CPLUSPLUS_2011
case Log1pOp:
CPPAD_ASSERT_NARG_NRES(op, 1, 1)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
# endif
// -------------------------------------------------
case MulpvOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 1)
reverse_sparse_hessian_linear_unary_op(
i_var, arg[1], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case MulvvOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 1)
reverse_sparse_hessian_mul_op(
i_var, arg, RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case ParOp:
CPPAD_ASSERT_NARG_NRES(op, 1, 1)
break;
// -------------------------------------------------
case PowpvOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 3)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[1], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case PowvpOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 3)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case PowvvOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 3)
reverse_sparse_hessian_pow_op(
i_var, arg, RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case PriOp:
CPPAD_ASSERT_NARG_NRES(op, 5, 0);
break;
// -------------------------------------------------
case SignOp:
CPPAD_ASSERT_NARG_NRES(op, 1, 1);
// Derivative is identiaclly zero
break;
// -------------------------------------------------
case SinOp:
// cos(x), sin(x)
CPPAD_ASSERT_NARG_NRES(op, 1, 2)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case SinhOp:
// cosh(x), sinh(x)
CPPAD_ASSERT_NARG_NRES(op, 1, 2)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case SqrtOp:
CPPAD_ASSERT_NARG_NRES(op, 1, 1)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case StppOp:
// sparsity cannot propagate through a parameter
CPPAD_ASSERT_NARG_NRES(op, 3, 0)
break;
// -------------------------------------------------
case StpvOp:
reverse_sparse_hessian_store_op(
op,
arg,
num_vecad_ind,
vecad_ind.data(),
rev_hes_sparse,
vecad_sparse,
RevJac,
vecad_jac.data()
);
break;
// -------------------------------------------------
case StvpOp:
// sparsity cannot propagate through a parameter
CPPAD_ASSERT_NARG_NRES(op, 3, 0)
break;
// -------------------------------------------------
case StvvOp:
reverse_sparse_hessian_store_op(
op,
arg,
num_vecad_ind,
vecad_ind.data(),
rev_hes_sparse,
vecad_sparse,
RevJac,
vecad_jac.data()
);
break;
// -------------------------------------------------
case SubvvOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 1)
reverse_sparse_hessian_addsub_op(
i_var, arg, RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case SubpvOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 1)
reverse_sparse_hessian_linear_unary_op(
i_var, arg[1], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case SubvpOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 1)
reverse_sparse_hessian_linear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case TanOp:
// tan(x)^2, tan(x)
CPPAD_ASSERT_NARG_NRES(op, 1, 2)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case TanhOp:
// tanh(x)^2, tanh(x)
CPPAD_ASSERT_NARG_NRES(op, 1, 2)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case UserOp:
CPPAD_ASSERT_UNKNOWN(
user_state == start_user || user_state == end_user
);
flag = user_state == end_user;
user_atom = play->reverse_user(op, user_state,
user_old, user_m, user_n, user_i, user_j
);
if( flag )
{ user_x.resize(user_n);
user_ix.resize(user_n);
user_iy.resize(user_m);
}
else
{ // call users function for this operation
user_atom->set_old(user_old);
user_atom->rev_sparse_hes(
user_x, user_ix, user_iy,
for_jac_sparse, RevJac, rev_hes_sparse
);
}
break;
case UsrapOp:
// parameter argument in an atomic operation sequence
CPPAD_ASSERT_UNKNOWN( size_t(arg[0]) < num_par );
play->reverse_user(op, user_state,
user_old, user_m, user_n, user_i, user_j
);
// argument parameter value
user_x[user_j] = parameter[arg[0]];
// special variable index used for parameters
user_ix[user_j] = 0;
break;
case UsravOp:
// variable argument in an atomic operation sequence
CPPAD_ASSERT_UNKNOWN( size_t(arg[0]) <= i_var );
CPPAD_ASSERT_UNKNOWN( 0 < arg[0] );
play->reverse_user(op, user_state,
user_old, user_m, user_n, user_i, user_j
);
// argument variables not available during sparsity calculations
user_x[user_j] = CppAD::numeric_limits<Base>::quiet_NaN();
// variable index for this argument
user_ix[user_j] = arg[0];
break;
case UsrrpOp:
// parameter result in an atomic operation sequence
CPPAD_ASSERT_UNKNOWN( size_t(arg[0]) < num_par );
play->reverse_user(op, user_state,
user_old, user_m, user_n, user_i, user_j
);
// special variable index used for parameters
user_iy[user_i] = 0;
break;
case UsrrvOp:
// variable result in an atomic operation sequence
play->reverse_user(op, user_state,
user_old, user_m, user_n, user_i, user_j
);
// variable index for this result
user_iy[user_i] = i_var;
break;
// -------------------------------------------------
case ZmulpvOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 1)
reverse_sparse_hessian_linear_unary_op(
i_var, arg[1], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case ZmulvpOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 1)
reverse_sparse_hessian_linear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case ZmulvvOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 1)
reverse_sparse_hessian_mul_op(
i_var, arg, RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
default:
CPPAD_ASSERT_UNKNOWN(0);
}
# if CPPAD_REV_HES_SWEEP_TRACE
for(j = 0; j < limit; j++)
{ zf_value[j] = false;
zh_value[j] = false;
}
typename Vector_set::const_iterator itr_jac(for_jac_sparse, i_var);
j = *itr_jac;
while( j < limit )
{ zf_value[j] = true;
j = *(++itr_jac);
}
typename Vector_set::const_iterator itr_hes(rev_hes_sparse, i_var);
j = *itr_hes;
while( j < limit )
{ zh_value[j] = true;
j = *(++itr_hes);
}
printOp(
std::cout,
play,
i_op,
i_var,
op,
arg
);
// should also print RevJac[i_var], but printOpResult does not
// yet allow for this
if( NumRes(op) > 0 && op != BeginOp ) printOpResult(
std::cout,
1,
&zf_value,
1,
&zh_value
);
std::cout << std::endl;
}
std::cout << std::endl;
# else
}
void RevHesSweep(
size_t n,
size_t numvar,
player<Base> *play,
Vector_set& for_jac_sparse, // should be const
bool* RevJac,
Vector_set& rev_hes_sparse
)
{
OpCode op;
size_t i_op;
size_t i_var;
const addr_t* arg = CPPAD_NULL;
// length of the parameter vector (used by CppAD assert macros)
const size_t num_par = play->num_par_rec();
size_t i, j, k;
// check numvar argument
CPPAD_ASSERT_UNKNOWN( play->num_var_rec() == numvar );
CPPAD_ASSERT_UNKNOWN( for_jac_sparse.n_set() == numvar );
CPPAD_ASSERT_UNKNOWN( rev_hes_sparse.n_set() == numvar );
CPPAD_ASSERT_UNKNOWN( numvar > 0 );
// upper limit exclusive for set elements
size_t limit = rev_hes_sparse.end();
CPPAD_ASSERT_UNKNOWN( for_jac_sparse.end() == limit );
// check number of sets match
CPPAD_ASSERT_UNKNOWN(
for_jac_sparse.n_set() == rev_hes_sparse.n_set()
);
// vecad_sparsity contains a sparsity pattern for each VecAD object.
// vecad_ind maps a VecAD index (beginning of the VecAD object)
// to the index for the corresponding set in vecad_sparsity.
size_t num_vecad_ind = play->num_vec_ind_rec();
size_t num_vecad_vec = play->num_vecad_vec_rec();
Vector_set vecad_sparse;
vecad_sparse.resize(num_vecad_vec, limit);
pod_vector<size_t> vecad_ind;
pod_vector<bool> vecad_jac;
if( num_vecad_vec > 0 )
{ size_t length;
vecad_ind.extend(num_vecad_ind);
vecad_jac.extend(num_vecad_vec);
j = 0;
for(i = 0; i < num_vecad_vec; i++)
{ // length of this VecAD
length = play->GetVecInd(j);
// set vecad_ind to proper index for this VecAD
vecad_ind[j] = i;
// make all other values for this vector invalid
for(k = 1; k <= length; k++)
vecad_ind[j+k] = num_vecad_vec;
// start of next VecAD
j += length + 1;
// initialize this vector's reverse jacobian value
vecad_jac[i] = false;
}
CPPAD_ASSERT_UNKNOWN( j == play->num_vec_ind_rec() );
}
// work space used by UserOp.
vector<size_t> user_ix; // variable indices for argument vector x
typedef std::set<size_t> size_set;
size_set::iterator set_itr; // iterator for a standard set
size_set::iterator set_end; // end of iterator sequence
vector< size_set > set_r; // forward Jacobian sparsity for x
vector< size_set > set_u; // reverse Hessian sparsity for y
vector< size_set > set_v; // reverse Hessian sparsity for x
//
vector<bool> bool_r; // bool forward Jacobian sparsity for x
vector<bool> bool_u; // bool reverse Hessian sparsity for y
vector<bool> bool_v; // bool reverse Hessian sparsity for x
//
vectorBool pack_r; // pack forward Jacobian sparsity for x
vectorBool pack_u; // pack reverse Hessian sparsity for y
vectorBool pack_v; // pack reverse Hessian sparsity for x
//
vector<bool> user_vx; // which components of x are variables
vector<bool> user_s; // reverse Jacobian sparsity for y
vector<bool> user_t; // reverse Jacobian sparsity for x
const size_t user_q = limit; // maximum element plus one
size_t user_index = 0; // indentifier for this atomic operation
size_t user_id = 0; // user identifier for this call to operator
size_t user_i = 0; // index in result vector
size_t user_j = 0; // index in argument vector
size_t user_m = 0; // size of result vector
size_t user_n = 0; // size of arugment vector
//
atomic_base<Base>* user_atom = CPPAD_NULL; // user's atomic op calculator
bool user_pack = false; // sparsity pattern type is pack
bool user_bool = false; // sparsity pattern type is bool
bool user_set = false; // sparsity pattern type is set
# ifndef NDEBUG
bool user_ok = false; // atomic op return value
# endif
// next expected operator in a UserOp sequence
enum { user_start, user_arg, user_ret, user_end } user_state = user_end;
// Initialize
play->reverse_start(op, arg, i_op, i_var);
CPPAD_ASSERT_UNKNOWN( op == EndOp );
# if CPPAD_REV_HES_SWEEP_TRACE
std::cout << std::endl;
CppAD::vectorBool zf_value(limit);
CppAD::vectorBool zh_value(limit);
# endif
bool more_operators = true;
while(more_operators)
{
// next op
play->reverse_next(op, arg, i_op, i_var);
# ifndef NDEBUG
if( i_op <= n )
{ CPPAD_ASSERT_UNKNOWN((op == InvOp) | (op == BeginOp));
}
else CPPAD_ASSERT_UNKNOWN((op != InvOp) & (op != BeginOp));
# endif
// rest of information depends on the case
switch( op )
{
case AbsOp:
CPPAD_ASSERT_NARG_NRES(op, 1, 1)
reverse_sparse_hessian_linear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case AddvvOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 1)
reverse_sparse_hessian_addsub_op(
i_var, arg, RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case AddpvOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 1)
reverse_sparse_hessian_linear_unary_op(
i_var, arg[1], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case AcosOp:
// sqrt(1 - x * x), acos(x)
CPPAD_ASSERT_NARG_NRES(op, 1, 2)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
# if CPPAD_USE_CPLUSPLUS_2011
case AcoshOp:
// sqrt(x * x - 1), acosh(x)
CPPAD_ASSERT_NARG_NRES(op, 1, 2)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
# endif
// -------------------------------------------------
case AsinOp:
// sqrt(1 - x * x), asin(x)
CPPAD_ASSERT_NARG_NRES(op, 1, 2)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
# if CPPAD_USE_CPLUSPLUS_2011
case AsinhOp:
// sqrt(1 + x * x), asinh(x)
CPPAD_ASSERT_NARG_NRES(op, 1, 2)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
# endif
// -------------------------------------------------
case AtanOp:
// 1 + x * x, atan(x)
CPPAD_ASSERT_NARG_NRES(op, 1, 2)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
# if CPPAD_USE_CPLUSPLUS_2011
case AtanhOp:
// 1 - x * x, atanh(x)
CPPAD_ASSERT_NARG_NRES(op, 1, 2)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
# endif
// -------------------------------------------------
case BeginOp:
CPPAD_ASSERT_NARG_NRES(op, 1, 1)
more_operators = false;
break;
// -------------------------------------------------
case CSkipOp:
// CSkipOp has a variable number of arguments and
// reverse_next thinks it one has one argument.
// We must inform reverse_next of this special case.
play->reverse_cskip(op, arg, i_op, i_var);
break;
// -------------------------------------------------
case CSumOp:
// CSumOp has a variable number of arguments and
// reverse_next thinks it one has one argument.
// We must inform reverse_next of this special case.
play->reverse_csum(op, arg, i_op, i_var);
reverse_sparse_hessian_csum_op(
i_var, arg, RevJac, rev_hes_sparse
);
break;
// -------------------------------------------------
case CExpOp:
reverse_sparse_hessian_cond_op(
i_var, arg, num_par, RevJac, rev_hes_sparse
);
break;
// ---------------------------------------------------
case CosOp:
// sin(x), cos(x)
CPPAD_ASSERT_NARG_NRES(op, 1, 2)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// ---------------------------------------------------
case CoshOp:
// sinh(x), cosh(x)
CPPAD_ASSERT_NARG_NRES(op, 1, 2)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case DisOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 1)
// derivativve is identically zero
break;
// -------------------------------------------------
case DivvvOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 1)
reverse_sparse_hessian_div_op(
i_var, arg, RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case DivpvOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 1)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[1], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case DivvpOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 1)
reverse_sparse_hessian_linear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case ErfOp:
// arg[1] is always the parameter 0
// arg[2] is always the parameter 2 / sqrt(pi)
CPPAD_ASSERT_NARG_NRES(op, 3, 5);
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case ExpOp:
CPPAD_ASSERT_NARG_NRES(op, 1, 1)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
# if CPPAD_USE_CPLUSPLUS_2011
case Expm1Op:
CPPAD_ASSERT_NARG_NRES(op, 1, 1)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
# endif
// -------------------------------------------------
case InvOp:
CPPAD_ASSERT_NARG_NRES(op, 0, 1)
// Z is already defined
break;
// -------------------------------------------------
case LdpOp:
reverse_sparse_hessian_load_op(
op,
i_var,
arg,
num_vecad_ind,
vecad_ind.data(),
rev_hes_sparse,
vecad_sparse,
RevJac,
vecad_jac.data()
);
break;
// -------------------------------------------------
case LdvOp:
reverse_sparse_hessian_load_op(
op,
i_var,
arg,
num_vecad_ind,
vecad_ind.data(),
rev_hes_sparse,
vecad_sparse,
RevJac,
vecad_jac.data()
);
break;
// -------------------------------------------------
case EqpvOp:
case EqvvOp:
case LtpvOp:
case LtvpOp:
case LtvvOp:
case LepvOp:
case LevpOp:
case LevvOp:
case NepvOp:
case NevvOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 0);
break;
// -------------------------------------------------
case LogOp:
CPPAD_ASSERT_NARG_NRES(op, 1, 1)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
# if CPPAD_USE_CPLUSPLUS_2011
case Log1pOp:
CPPAD_ASSERT_NARG_NRES(op, 1, 1)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
# endif
// -------------------------------------------------
case MulpvOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 1)
reverse_sparse_hessian_linear_unary_op(
i_var, arg[1], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case MulvvOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 1)
reverse_sparse_hessian_mul_op(
i_var, arg, RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case ParOp:
CPPAD_ASSERT_NARG_NRES(op, 1, 1)
break;
// -------------------------------------------------
case PowpvOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 3)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[1], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case PowvpOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 3)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case PowvvOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 3)
reverse_sparse_hessian_pow_op(
i_var, arg, RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case PriOp:
CPPAD_ASSERT_NARG_NRES(op, 5, 0);
break;
// -------------------------------------------------
case SignOp:
CPPAD_ASSERT_NARG_NRES(op, 1, 1);
// Derivative is identiaclly zero
break;
// -------------------------------------------------
case SinOp:
// cos(x), sin(x)
CPPAD_ASSERT_NARG_NRES(op, 1, 2)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case SinhOp:
// cosh(x), sinh(x)
CPPAD_ASSERT_NARG_NRES(op, 1, 2)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case SqrtOp:
CPPAD_ASSERT_NARG_NRES(op, 1, 1)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case StppOp:
// sparsity cannot propagate through a parameter
CPPAD_ASSERT_NARG_NRES(op, 3, 0)
break;
// -------------------------------------------------
case StpvOp:
reverse_sparse_hessian_store_op(
op,
arg,
num_vecad_ind,
vecad_ind.data(),
rev_hes_sparse,
vecad_sparse,
RevJac,
vecad_jac.data()
);
break;
// -------------------------------------------------
case StvpOp:
// sparsity cannot propagate through a parameter
CPPAD_ASSERT_NARG_NRES(op, 3, 0)
break;
// -------------------------------------------------
case StvvOp:
reverse_sparse_hessian_store_op(
op,
arg,
num_vecad_ind,
vecad_ind.data(),
rev_hes_sparse,
vecad_sparse,
RevJac,
vecad_jac.data()
);
break;
// -------------------------------------------------
case SubvvOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 1)
reverse_sparse_hessian_addsub_op(
i_var, arg, RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case SubpvOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 1)
reverse_sparse_hessian_linear_unary_op(
i_var, arg[1], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case SubvpOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 1)
reverse_sparse_hessian_linear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case TanOp:
// tan(x)^2, tan(x)
CPPAD_ASSERT_NARG_NRES(op, 1, 2)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case TanhOp:
// tanh(x)^2, tanh(x)
CPPAD_ASSERT_NARG_NRES(op, 1, 2)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case UserOp:
// start or end an atomic operation sequence
CPPAD_ASSERT_UNKNOWN( NumRes( UserOp ) == 0 );
CPPAD_ASSERT_UNKNOWN( NumArg( UserOp ) == 4 );
if( user_state == user_end )
{ user_index = arg[0];
user_id = arg[1];
user_n = arg[2];
user_m = arg[3];
user_atom = atomic_base<Base>::class_object(user_index);
# ifndef NDEBUG
if( user_atom == CPPAD_NULL )
{ std::string msg =
atomic_base<Base>::class_name(user_index)
+ ": atomic_base function has been deleted";
CPPAD_ASSERT_KNOWN(false, msg.c_str() );
}
# endif
user_pack = user_atom->sparsity() ==
atomic_base<Base>::pack_sparsity_enum;
user_bool = user_atom->sparsity() ==
atomic_base<Base>::bool_sparsity_enum;
user_set = user_atom->sparsity() ==
atomic_base<Base>::set_sparsity_enum;
CPPAD_ASSERT_UNKNOWN( user_pack || user_bool || user_set );
user_ix.resize(user_n);
user_vx.resize(user_n);
user_s.resize(user_m);
user_t.resize(user_n);
// simpler to initialize all sparsity patterns as empty
for(i = 0; i < user_m; i++)
user_s[i] = false;
for(i = 0; i < user_n; i++)
user_t[i] = false;
if( user_pack )
{ pack_r.resize(user_n * user_q);
pack_u.resize(user_m * user_q);
pack_v.resize(user_n * user_q);
// simpler to initialize all patterns as empty
for(i = 0; i < user_m; i++)
{
for(j = 0; j < user_q; j++)
pack_u[ i * user_q + j] = false;
}
for(i = 0; i < user_n; i++)
{
for(j = 0; j < user_q; j++)
{ pack_r[ i * user_q + j] = false;
pack_v[ i * user_q + j] = false;
}
}
}
if( user_bool )
{ bool_r.resize(user_n * user_q);
bool_u.resize(user_m * user_q);
bool_v.resize(user_n * user_q);
// simpler to initialize all patterns as empty
for(i = 0; i < user_m; i++)
{
for(j = 0; j < user_q; j++)
bool_u[ i * user_q + j] = false;
}
for(i = 0; i < user_n; i++)
{
for(j = 0; j < user_q; j++)
{ bool_r[ i * user_q + j] = false;
bool_v[ i * user_q + j] = false;
}
}
}
if( user_set )
{ set_r.resize(user_n);
set_u.resize(user_m);
set_v.resize(user_n);
for(i = 0; i < user_m; i++)
set_u[i].clear();
for(i = 0; i < user_n; i++)
{ set_r[i].clear();
set_v[i].clear();
}
}
user_j = user_n;
user_i = user_m;
user_state = user_ret;
}
else
{ CPPAD_ASSERT_UNKNOWN( user_state == user_start );
CPPAD_ASSERT_UNKNOWN( user_index == size_t(arg[0]) );
CPPAD_ASSERT_UNKNOWN( user_id == size_t(arg[1]) );
CPPAD_ASSERT_UNKNOWN( user_n == size_t(arg[2]) );
CPPAD_ASSERT_UNKNOWN( user_m == size_t(arg[3]) );
user_state = user_end;
// call users function for this operation
user_atom->set_id(user_id);
# ifdef NDEBUG
if( user_pack )
user_atom->rev_sparse_hes(user_vx,
user_s, user_t, user_q, pack_r, pack_u, pack_v
);
if( user_bool )
user_atom->rev_sparse_hes(user_vx,
user_s, user_t, user_q, bool_r, bool_u, bool_v
);
if( user_set )
user_atom->rev_sparse_hes(user_vx,
user_s, user_t, user_q, set_r, set_u, set_v
);
# else
if( user_pack )
user_ok = user_atom->rev_sparse_hes(user_vx,
user_s, user_t, user_q, pack_r, pack_u, pack_v
);
if( user_bool )
user_ok = user_atom->rev_sparse_hes(user_vx,
user_s, user_t, user_q, bool_r, bool_u, bool_v
);
if( user_set )
user_ok = user_atom->rev_sparse_hes(user_vx,
user_s, user_t, user_q, set_r, set_u, set_v
);
if( ! user_ok )
{ std::string msg =
atomic_base<Base>::class_name(user_index)
+ ": atomic_base.rev_sparse_hes: returned false\n";
if( user_pack )
msg += "sparsity = pack_sparsity_enum";
if( user_bool )
msg += "sparsity = bool_sparsity_enum";
if( user_set )
msg += "sparsity = set_sparsity_enum";
CPPAD_ASSERT_KNOWN(false, msg.c_str() );
}
# endif
for(i = 0; i < user_n; i++) if( user_ix[i] > 0 )
{
size_t i_x = user_ix[i];
if( user_t[i] )
RevJac[i_x] = true;
if( user_pack )
{
for(j = 0; j < user_q; j++)
if( pack_v[ i * user_q + j ] )
rev_hes_sparse.add_element(i_x, j);
}
if( user_bool )
{
for(j = 0; j < user_q; j++)
if( bool_v[ i * user_q + j ] )
rev_hes_sparse.add_element(i_x, j);
}
if( user_set )
{
set_itr = set_v[i].begin();
set_end = set_v[i].end();
while( set_itr != set_end )
rev_hes_sparse.add_element(i_x, *set_itr++);
}
}
}
break;
case UsrapOp:
// parameter argument in an atomic operation sequence
CPPAD_ASSERT_UNKNOWN( user_state == user_arg );
CPPAD_ASSERT_UNKNOWN( 0 < user_j && user_j <= user_n );
CPPAD_ASSERT_UNKNOWN( NumArg(op) == 1 );
CPPAD_ASSERT_UNKNOWN( size_t(arg[0]) < num_par );
--user_j;
user_ix[user_j] = 0;
user_vx[user_j] = false;
if( user_j == 0 )
user_state = user_start;
break;
case UsravOp:
// variable argument in an atomic operation sequence
CPPAD_ASSERT_UNKNOWN( user_state == user_arg );
CPPAD_ASSERT_UNKNOWN( 0 < user_j && user_j <= user_n );
CPPAD_ASSERT_UNKNOWN( NumArg(op) == 1 );
CPPAD_ASSERT_UNKNOWN( size_t(arg[0]) <= i_var );
CPPAD_ASSERT_UNKNOWN( 0 < arg[0] );
--user_j;
user_ix[user_j] = arg[0];
user_vx[user_j] = true;
for_jac_sparse.begin(arg[0]);
i = for_jac_sparse.next_element();
while( i < user_q )
{ if( user_pack )
pack_r[ user_j * user_q + i ] = true;
if( user_bool )
bool_r[ user_j * user_q + i ] = true;
if( user_set )
set_r[user_j].insert(i);
i = for_jac_sparse.next_element();
}
if( user_j == 0 )
user_state = user_start;
break;
case UsrrpOp:
// parameter result in an atomic operation sequence
CPPAD_ASSERT_UNKNOWN( user_state == user_ret );
CPPAD_ASSERT_UNKNOWN( 0 < user_i && user_i <= user_m );
CPPAD_ASSERT_UNKNOWN( NumArg(op) == 1 );
CPPAD_ASSERT_UNKNOWN( size_t(arg[0]) < num_par );
--user_i;
if( user_i == 0 )
user_state = user_arg;
break;
case UsrrvOp:
// variable result in an atomic operation sequence
CPPAD_ASSERT_UNKNOWN( user_state == user_ret );
CPPAD_ASSERT_UNKNOWN( 0 < user_i && user_i <= user_m );
--user_i;
if( RevJac[i_var] )
{
user_s[user_i] = true;
}
rev_hes_sparse.begin(i_var);
j = rev_hes_sparse.next_element();
while( j < user_q )
{ if( user_pack )
pack_u[user_i * user_q + j] = true;
if( user_bool )
bool_u[user_i * user_q + j] = true;
if( user_set )
set_u[user_i].insert(j);
j = rev_hes_sparse.next_element();
}
if( user_i == 0 )
user_state = user_arg;
break;
// -------------------------------------------------
case ZmulpvOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 1)
reverse_sparse_hessian_linear_unary_op(
i_var, arg[1], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case ZmulvpOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 1)
reverse_sparse_hessian_linear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case ZmulvvOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 1)
reverse_sparse_hessian_mul_op(
i_var, arg, RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
default:
CPPAD_ASSERT_UNKNOWN(0);
}
# if CPPAD_REV_HES_SWEEP_TRACE
for(j = 0; j < limit; j++)
{ zf_value[j] = false;
zh_value[j] = false;
}
for_jac_sparse.begin(i_var);;
j = for_jac_sparse.next_element();;
while( j < limit )
{ zf_value[j] = true;
j = for_jac_sparse.next_element();
}
rev_hes_sparse.begin(i_var);;
j = rev_hes_sparse.next_element();;
while( j < limit )
{ zh_value[j] = true;
j = rev_hes_sparse.next_element();
}
printOp(
std::cout,
play,
i_op,
i_var,
op,
arg
);
// should also print RevJac[i_var], but printOpResult does not
// yet allow for this
if( NumRes(op) > 0 && op != BeginOp ) printOpResult(
std::cout,
1,
&zf_value,
1,
&zh_value
);
std::cout << std::endl;
}
std::cout << std::endl;
# else
}
void RevHesSweep(
size_t n,
size_t numvar,
player<Base> *play,
Vector_set& for_jac_sparse, // should be const
bool* RevJac,
Vector_set& rev_hes_sparse
)
{
OpCode op;
size_t i_op;
size_t i_var;
const size_t *arg = 0;
// length of the parameter vector (used by CppAD assert macros)
const size_t num_par = play->num_rec_par();
size_t i, j, k;
// check numvar argument
CPPAD_ASSERT_UNKNOWN( play->num_rec_var() == numvar );
CPPAD_ASSERT_UNKNOWN( for_jac_sparse.n_set() == numvar );
CPPAD_ASSERT_UNKNOWN( rev_hes_sparse.n_set() == numvar );
CPPAD_ASSERT_UNKNOWN( numvar > 0 );
// upper limit exclusive for set elements
size_t limit = rev_hes_sparse.end();
CPPAD_ASSERT_UNKNOWN( rev_hes_sparse.end() == limit );
// check number of sets match
CPPAD_ASSERT_UNKNOWN(
for_jac_sparse.n_set() == rev_hes_sparse.n_set()
);
// vecad_sparsity contains a sparsity pattern for each VecAD object.
// vecad_ind maps a VecAD index (beginning of the VecAD object)
// to the index for the corresponding set in vecad_sparsity.
size_t num_vecad_ind = play->num_rec_vecad_ind();
size_t num_vecad_vec = play->num_rec_vecad_vec();
Vector_set vecad_sparse;
vecad_sparse.resize(num_vecad_vec, limit);
size_t* vecad_ind = CPPAD_NULL;
bool* vecad_jac = CPPAD_NULL;
if( num_vecad_vec > 0 )
{ size_t length;
vecad_ind = CPPAD_TRACK_NEW_VEC(num_vecad_ind, vecad_ind);
vecad_jac = CPPAD_TRACK_NEW_VEC(num_vecad_vec, vecad_jac);
j = 0;
for(i = 0; i < num_vecad_vec; i++)
{ // length of this VecAD
length = play->GetVecInd(j);
// set vecad_ind to proper index for this VecAD
vecad_ind[j] = i;
// make all other values for this vector invalid
for(k = 1; k <= length; k++)
vecad_ind[j+k] = num_vecad_vec;
// start of next VecAD
j += length + 1;
// initialize this vector's reverse jacobian value
vecad_jac[i] = false;
}
CPPAD_ASSERT_UNKNOWN( j == play->num_rec_vecad_ind() );
}
// Initialize
play->start_reverse(op, arg, i_op, i_var);
CPPAD_ASSERT_UNKNOWN( op == EndOp );
# if CPPAD_REV_HES_SWEEP_TRACE
std::cout << std::endl;
CppAD::vectorBool zf_value(limit);
CppAD::vectorBool zh_value(limit);
# endif
while(op != BeginOp)
{
// next op
play->next_reverse(op, arg, i_op, i_var);
# ifndef NDEBUG
if( i_op <= n )
{ CPPAD_ASSERT_UNKNOWN((op == InvOp) | (op == BeginOp));
}
else CPPAD_ASSERT_UNKNOWN((op != InvOp) & (op != BeginOp));
# endif
// rest of information depends on the case
switch( op )
{
case AbsOp:
CPPAD_ASSERT_NARG_NRES(op, 1, 1)
reverse_sparse_hessian_linear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case AddvvOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 1)
reverse_sparse_hessian_addsub_op(
i_var, arg, RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case AddpvOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 1)
reverse_sparse_hessian_linear_unary_op(
i_var, arg[1], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case AcosOp:
// acos(x) and sqrt(1 - x * x) are computed in pairs
// but i_var + 1 should only be used here
CPPAD_ASSERT_NARG_NRES(op, 1, 2)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case AsinOp:
// asin(x) and sqrt(1 - x * x) are computed in pairs
// but i_var + 1 should only be used here
CPPAD_ASSERT_NARG_NRES(op, 1, 2)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case AtanOp:
// atan(x) and 1 + x * x must be computed in pairs
// but i_var + 1 should only be used here
CPPAD_ASSERT_NARG_NRES(op, 1, 2)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case BeginOp:
CPPAD_ASSERT_NARG_NRES(op, 0, 1)
break;
// -------------------------------------------------
case CSumOp:
// CSumOp has a variable number of arguments and
// next_reverse thinks it one has one argument.
// We must inform next_reverse of this special case.
play->reverse_csum(op, arg, i_op, i_var);
reverse_sparse_hessian_csum_op(
i_var, arg, RevJac, rev_hes_sparse
);
break;
// -------------------------------------------------
case CExpOp:
reverse_sparse_hessian_cond_op(
i_var, arg, num_par, RevJac, rev_hes_sparse
);
break;
// ---------------------------------------------------
case ComOp:
CPPAD_ASSERT_NARG_NRES(op, 4, 0)
CPPAD_ASSERT_UNKNOWN( arg[1] > 1 );
break;
// --------------------------------------------------
case CosOp:
// cosine and sine must come in pairs
// but i_var should only be used here
CPPAD_ASSERT_NARG_NRES(op, 1, 2)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// ---------------------------------------------------
case CoshOp:
// hyperbolic cosine and sine must come in pairs
// but i_var should only be used here
CPPAD_ASSERT_NARG_NRES(op, 1, 2)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case DisOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 1)
break;
// -------------------------------------------------
case DivvvOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 1)
reverse_sparse_hessian_div_op(
i_var, arg, RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case DivpvOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 1)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[1], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case DivvpOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 1)
reverse_sparse_hessian_linear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case ExpOp:
CPPAD_ASSERT_NARG_NRES(op, 1, 1)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case InvOp:
CPPAD_ASSERT_NARG_NRES(op, 0, 1)
// Z is already defined
break;
// -------------------------------------------------
case LdpOp:
reverse_sparse_hessian_load_op(
op,
i_var,
arg,
num_vecad_ind,
vecad_ind,
rev_hes_sparse,
vecad_sparse,
RevJac,
vecad_jac
);
break;
// -------------------------------------------------
case LdvOp:
reverse_sparse_hessian_load_op(
op,
i_var,
arg,
num_vecad_ind,
vecad_ind,
rev_hes_sparse,
vecad_sparse,
RevJac,
vecad_jac
);
break;
// -------------------------------------------------
case LogOp:
CPPAD_ASSERT_NARG_NRES(op, 1, 1)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case MulvvOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 1)
reverse_sparse_hessian_mul_op(
i_var, arg, RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case MulpvOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 1)
reverse_sparse_hessian_linear_unary_op(
i_var, arg[1], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case ParOp:
CPPAD_ASSERT_NARG_NRES(op, 1, 1)
break;
// -------------------------------------------------
case PowpvOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 3)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[1], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case PowvpOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 3)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case PowvvOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 3)
reverse_sparse_hessian_pow_op(
i_var, arg, RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case PripOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 0);
break;
// -------------------------------------------------
case PrivOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 0);
break;
// -------------------------------------------------
case SinOp:
// sine and cosine must come in pairs
// but i_var should only be used here
CPPAD_ASSERT_NARG_NRES(op, 1, 2)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case SinhOp:
// sine and cosine must come in pairs
// but i_var should only be used here
CPPAD_ASSERT_NARG_NRES(op, 1, 2)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case SqrtOp:
CPPAD_ASSERT_NARG_NRES(op, 1, 1)
reverse_sparse_hessian_nonlinear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case StppOp:
// sparsity cannot propagate through a parameter
CPPAD_ASSERT_NARG_NRES(op, 3, 0)
break;
// -------------------------------------------------
case StpvOp:
reverse_sparse_hessian_store_op(
op,
arg,
num_vecad_ind,
vecad_ind,
rev_hes_sparse,
vecad_sparse,
RevJac,
vecad_jac
);
break;
// -------------------------------------------------
case StvpOp:
// sparsity cannot propagate through a parameter
CPPAD_ASSERT_NARG_NRES(op, 3, 0)
break;
// -------------------------------------------------
case StvvOp:
reverse_sparse_hessian_store_op(
op,
arg,
num_vecad_ind,
vecad_ind,
rev_hes_sparse,
vecad_sparse,
RevJac,
vecad_jac
);
break;
// -------------------------------------------------
case SubvvOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 1)
reverse_sparse_hessian_addsub_op(
i_var, arg, RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case SubpvOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 1)
reverse_sparse_hessian_linear_unary_op(
i_var, arg[1], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
case SubvpOp:
CPPAD_ASSERT_NARG_NRES(op, 2, 1)
reverse_sparse_hessian_linear_unary_op(
i_var, arg[0], RevJac, for_jac_sparse, rev_hes_sparse
);
break;
// -------------------------------------------------
default:
CPPAD_ASSERT_UNKNOWN(0);
}
# if CPPAD_REV_HES_SWEEP_TRACE
for(j = 0; j < limit; j++)
{ zf_value[j] = false;
zh_value[j] = false;
}
for_jac_sparse.begin(i_var);;
j = for_jac_sparse.next_element();;
while( j < limit )
{ zf_value[j] = true;
j = for_jac_sparse.next_element();
}
rev_hes_sparse.begin(i_var);;
j = rev_hes_sparse.next_element();;
while( j < limit )
{ zh_value[j] = true;
j = rev_hes_sparse.next_element();
}
// should also print RevJac[i_var], but printOp does not
// yet allow for this.
printOp(
std::cout,
play,
i_var,
op,
arg,
1,
&zf_value,
1,
&zh_value
);
# endif
}
// values corresponding to BeginOp
CPPAD_ASSERT_UNKNOWN( i_op == 0 );
CPPAD_ASSERT_UNKNOWN( i_var == 0 );
if( vecad_jac != CPPAD_NULL )
CPPAD_TRACK_DEL_VEC(vecad_jac);
if( vecad_ind != CPPAD_NULL )
CPPAD_TRACK_DEL_VEC(vecad_ind);
return;
}
