/usr/include/cppad/local/sub_op.hpp is in cppad 2014.00.00.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# ifndef CPPAD_SUB_OP_INCLUDED
# define CPPAD_SUB_OP_INCLUDED
/* --------------------------------------------------------------------------
CppAD: C++ Algorithmic Differentiation: Copyright (C) 2003-13 Bradley M. Bell
CppAD is distributed under multiple licenses. This distribution is under
the terms of the
GNU General Public License Version 3.
A copy of this license is included in the COPYING file of this distribution.
Please visit http://www.coin-or.org/CppAD/ for information on other licenses.
-------------------------------------------------------------------------- */
namespace CppAD { // BEGIN_CPPAD_NAMESPACE
/*!
\defgroup sub_op_hpp sub_op.hpp
\{
\file sub_op.hpp
Forward and reverse mode calculations for z = x - y.
*/
// --------------------------- Subvv -----------------------------------------
/*!
Compute forward mode Taylor coefficients for result of op = SubvvOp.
The C++ source code corresponding to this operation is
\verbatim
z = x - y
\endverbatim
In the documentation below,
this operations is for the case where both x and y are variables
and the argument \a parameter is not used.
\copydetails forward_binary_op
*/
template <class Base>
inline void forward_subvv_op(
size_t q ,
size_t p ,
size_t i_z ,
const addr_t* arg ,
const Base* parameter ,
size_t nc_taylor ,
Base* taylor )
{
// check assumptions
CPPAD_ASSERT_UNKNOWN( NumArg(SubvvOp) == 2 );
CPPAD_ASSERT_UNKNOWN( NumRes(SubvvOp) == 1 );
CPPAD_ASSERT_UNKNOWN( size_t(arg[0]) < i_z );
CPPAD_ASSERT_UNKNOWN( size_t(arg[1]) < i_z );
CPPAD_ASSERT_UNKNOWN( p < nc_taylor );
CPPAD_ASSERT_UNKNOWN( q <= p );
// Taylor coefficients corresponding to arguments and result
Base* x = taylor + arg[0] * nc_taylor;
Base* y = taylor + arg[1] * nc_taylor;
Base* z = taylor + i_z * nc_taylor;
for(size_t d = q; d <= p; d++)
z[d] = x[d] - y[d];
}
/*!
Compute zero order forward mode Taylor coefficients for result of op = SubvvOp.
The C++ source code corresponding to this operation is
\verbatim
z = x - y
\endverbatim
In the documentation below,
this operations is for the case where both x and y are variables
and the argument \a parameter is not used.
\copydetails forward_binary_op_0
*/
template <class Base>
inline void forward_subvv_op_0(
size_t i_z ,
const addr_t* arg ,
const Base* parameter ,
size_t nc_taylor ,
Base* taylor )
{
// check assumptions
CPPAD_ASSERT_UNKNOWN( NumArg(SubvvOp) == 2 );
CPPAD_ASSERT_UNKNOWN( NumRes(SubvvOp) == 1 );
CPPAD_ASSERT_UNKNOWN( size_t(arg[0]) < i_z );
CPPAD_ASSERT_UNKNOWN( size_t(arg[1]) < i_z );
// Taylor coefficients corresponding to arguments and result
Base* x = taylor + arg[0] * nc_taylor;
Base* y = taylor + arg[1] * nc_taylor;
Base* z = taylor + i_z * nc_taylor;
z[0] = x[0] - y[0];
}
/*!
Compute reverse mode partial derivatives for result of op = SubvvOp.
The C++ source code corresponding to this operation is
\verbatim
z = x - y
\endverbatim
In the documentation below,
this operations is for the case where both x and y are variables
and the argument \a parameter is not used.
\copydetails reverse_binary_op
*/
template <class Base>
inline void reverse_subvv_op(
size_t d ,
size_t i_z ,
const addr_t* arg ,
const Base* parameter ,
size_t nc_taylor ,
const Base* taylor ,
size_t nc_partial ,
Base* partial )
{
// check assumptions
CPPAD_ASSERT_UNKNOWN( NumArg(SubvvOp) == 2 );
CPPAD_ASSERT_UNKNOWN( NumRes(SubvvOp) == 1 );
CPPAD_ASSERT_UNKNOWN( size_t(arg[0]) < i_z );
CPPAD_ASSERT_UNKNOWN( size_t(arg[1]) < i_z );
CPPAD_ASSERT_UNKNOWN( d < nc_taylor );
CPPAD_ASSERT_UNKNOWN( d < nc_partial );
// Partial derivatives corresponding to arguments and result
Base* px = partial + arg[0] * nc_partial;
Base* py = partial + arg[1] * nc_partial;
Base* pz = partial + i_z * nc_partial;
// number of indices to access
size_t i = d + 1;
while(i)
{ --i;
px[i] += pz[i];
py[i] -= pz[i];
}
}
// --------------------------- Subpv -----------------------------------------
/*!
Compute forward mode Taylor coefficients for result of op = SubpvOp.
The C++ source code corresponding to this operation is
\verbatim
z = x - y
\endverbatim
In the documentation below,
this operations is for the case where x is a parameter and y is a variable.
\copydetails forward_binary_op
*/
template <class Base>
inline void forward_subpv_op(
size_t q ,
size_t p ,
size_t i_z ,
const addr_t* arg ,
const Base* parameter ,
size_t nc_taylor ,
Base* taylor )
{
// check assumptions
CPPAD_ASSERT_UNKNOWN( NumArg(SubpvOp) == 2 );
CPPAD_ASSERT_UNKNOWN( NumRes(SubpvOp) == 1 );
CPPAD_ASSERT_UNKNOWN( size_t(arg[1]) < i_z );
CPPAD_ASSERT_UNKNOWN( p < nc_taylor );
CPPAD_ASSERT_UNKNOWN( q <= p );
// Taylor coefficients corresponding to arguments and result
Base* y = taylor + arg[1] * nc_taylor;
Base* z = taylor + i_z * nc_taylor;
// Paraemter value
Base x = parameter[ arg[0] ];
if( q == 0 )
{ z[0] = x - y[0];
q++;
}
for(size_t d = q; d <= p; d++)
z[d] = - y[d];
}
/*!
Compute zero order forward mode Taylor coefficient for result of op = SubpvOp.
The C++ source code corresponding to this operation is
\verbatim
z = x - y
\endverbatim
In the documentation below,
this operations is for the case where x is a parameter and y is a variable.
\copydetails forward_binary_op_0
*/
template <class Base>
inline void forward_subpv_op_0(
size_t i_z ,
const addr_t* arg ,
const Base* parameter ,
size_t nc_taylor ,
Base* taylor )
{
// check assumptions
CPPAD_ASSERT_UNKNOWN( NumArg(SubpvOp) == 2 );
CPPAD_ASSERT_UNKNOWN( NumRes(SubpvOp) == 1 );
CPPAD_ASSERT_UNKNOWN( size_t(arg[1]) < i_z );
// Paraemter value
Base x = parameter[ arg[0] ];
// Taylor coefficients corresponding to arguments and result
Base* y = taylor + arg[1] * nc_taylor;
Base* z = taylor + i_z * nc_taylor;
z[0] = x - y[0];
}
/*!
Compute reverse mode partial derivative for result of op = SubpvOp.
The C++ source code corresponding to this operation is
\verbatim
z = x - y
\endverbatim
In the documentation below,
this operations is for the case where x is a parameter and y is a variable.
\copydetails reverse_binary_op
*/
template <class Base>
inline void reverse_subpv_op(
size_t d ,
size_t i_z ,
const addr_t* arg ,
const Base* parameter ,
size_t nc_taylor ,
const Base* taylor ,
size_t nc_partial ,
Base* partial )
{
// check assumptions
CPPAD_ASSERT_UNKNOWN( NumArg(SubvvOp) == 2 );
CPPAD_ASSERT_UNKNOWN( NumRes(SubvvOp) == 1 );
CPPAD_ASSERT_UNKNOWN( size_t(arg[1]) < i_z );
CPPAD_ASSERT_UNKNOWN( d < nc_taylor );
CPPAD_ASSERT_UNKNOWN( d < nc_partial );
// Partial derivatives corresponding to arguments and result
Base* py = partial + arg[1] * nc_partial;
Base* pz = partial + i_z * nc_partial;
// number of indices to access
size_t i = d + 1;
while(i)
{ --i;
py[i] -= pz[i];
}
}
// --------------------------- Subvp -----------------------------------------
/*!
Compute forward mode Taylor coefficients for result of op = SubvvOp.
The C++ source code corresponding to this operation is
\verbatim
z = x - y
\endverbatim
In the documentation below,
this operations is for the case where x is a variable and y is a parameter.
\copydetails forward_binary_op
*/
template <class Base>
inline void forward_subvp_op(
size_t q ,
size_t p ,
size_t i_z ,
const addr_t* arg ,
const Base* parameter ,
size_t nc_taylor ,
Base* taylor )
{
// check assumptions
CPPAD_ASSERT_UNKNOWN( NumArg(SubvpOp) == 2 );
CPPAD_ASSERT_UNKNOWN( NumRes(SubvpOp) == 1 );
CPPAD_ASSERT_UNKNOWN( size_t(arg[0]) < i_z );
CPPAD_ASSERT_UNKNOWN( p < nc_taylor );
CPPAD_ASSERT_UNKNOWN( q <= p );
// Taylor coefficients corresponding to arguments and result
Base* x = taylor + arg[0] * nc_taylor;
Base* z = taylor + i_z * nc_taylor;
// Parameter value
Base y = parameter[ arg[1] ];
if( q == 0 )
{ z[0] = x[0] - y;
q++;
}
for(size_t d = q; d <= p; d++)
z[d] = x[d];
}
/*!
Compute zero order forward mode Taylor coefficients for result of op = SubvvOp.
The C++ source code corresponding to this operation is
\verbatim
z = x - y
\endverbatim
In the documentation below,
this operations is for the case where x is a variable and y is a parameter.
\copydetails forward_binary_op_0
*/
template <class Base>
inline void forward_subvp_op_0(
size_t i_z ,
const addr_t* arg ,
const Base* parameter ,
size_t nc_taylor ,
Base* taylor )
{
// check assumptions
CPPAD_ASSERT_UNKNOWN( NumArg(SubvpOp) == 2 );
CPPAD_ASSERT_UNKNOWN( NumRes(SubvpOp) == 1 );
CPPAD_ASSERT_UNKNOWN( size_t(arg[0]) < i_z );
// Parameter value
Base y = parameter[ arg[1] ];
// Taylor coefficients corresponding to arguments and result
Base* x = taylor + arg[0] * nc_taylor;
Base* z = taylor + i_z * nc_taylor;
z[0] = x[0] - y;
}
/*!
Compute reverse mode partial derivative for result of op = SubvpOp.
The C++ source code corresponding to this operation is
\verbatim
z = x - y
\endverbatim
In the documentation below,
this operations is for the case where x is a variable and y is a parameter.
\copydetails reverse_binary_op
*/
template <class Base>
inline void reverse_subvp_op(
size_t d ,
size_t i_z ,
const addr_t* arg ,
const Base* parameter ,
size_t nc_taylor ,
const Base* taylor ,
size_t nc_partial ,
Base* partial )
{
// check assumptions
CPPAD_ASSERT_UNKNOWN( NumArg(SubvpOp) == 2 );
CPPAD_ASSERT_UNKNOWN( NumRes(SubvpOp) == 1 );
CPPAD_ASSERT_UNKNOWN( size_t(arg[0]) < i_z );
CPPAD_ASSERT_UNKNOWN( d < nc_taylor );
CPPAD_ASSERT_UNKNOWN( d < nc_partial );
// Partial derivatives corresponding to arguments and result
Base* px = partial + arg[0] * nc_partial;
Base* pz = partial + i_z * nc_partial;
// number of indices to access
size_t i = d + 1;
while(i)
{ --i;
px[i] += pz[i];
}
}
/*! \} */
} // END_CPPAD_NAMESPACE
# endif
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