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// Fixed Point RowVector manipulations.
/*
Copyright (C) 2003 Motorola Inc
Copyright (C) 2003 David Bateman
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with this program; see the file COPYING. If not, see
<http://www.gnu.org/licenses/>.
In addition to the terms of the GPL, you are permitted to link
this program with any Open Source program, as defined by the
Open Source Initiative (www.opensource.org)
*/
#include <iostream>
#include <octave/config.h>
#include <octave/lo-utils.h>
#include <octave/lo-error.h>
#include <octave/error.h>
#include <octave/gripes.h>
#include <octave/ops.h>
#include "fixedMatrix.h"
#include "fixedColVector.h"
#include "fixedRowVector.h"
// Fixed Point Row Vector class
FixedRowVector::FixedRowVector (const MArray<int> &is, const MArray<int> &ds)
: MArray<FixedPoint> (dim_vector (1, is.length()))
{
if (length() != ds.length()) {
(*current_liboctave_error_handler) ("vector size mismatch");
return;
}
for (int i = 0; i < length (); i++)
elem (i) = FixedPoint((unsigned int)is(i), (unsigned int)ds(i));
}
FixedRowVector::FixedRowVector (const RowVector &is, const RowVector &ds)
: MArray<FixedPoint> (dim_vector (1, is.length()))
{
if (length() != ds.length()) {
(*current_liboctave_error_handler) ("vector size mismatch");
return;
}
for (int i = 0; i < length (); i++)
elem (i) = FixedPoint((unsigned int)is(i), (unsigned int)ds(i));
}
FixedRowVector::FixedRowVector (const MArray<int> &is, const MArray<int> &ds,
const FixedRowVector& a)
: MArray<FixedPoint> (dim_vector (1, a.length()))
{
if ((length() != is.length()) || (length() != ds.length())) {
(*current_liboctave_error_handler) ("vector size mismatch");
return;
}
for (int i = 0; i < length (); i++)
elem (i) = FixedPoint((unsigned int)is(i), (unsigned int)ds(i),
a.elem (i));
}
FixedRowVector::FixedRowVector (const RowVector &is, const RowVector &ds,
const FixedRowVector& a)
: MArray<FixedPoint> (dim_vector (1, a.length()))
{
if ((length() != is.length()) || (length() != ds.length())) {
(*current_liboctave_error_handler) ("vector size mismatch");
return;
}
for (int i = 0; i < length (); i++)
elem (i) = FixedPoint((unsigned int)is(i), (unsigned int)ds(i),
a.elem (i));
}
FixedRowVector::FixedRowVector (unsigned int is, unsigned int ds,
const FixedRowVector& a)
: MArray<FixedPoint> (dim_vector (1, a.length()))
{
for (int i = 0; i < length (); i++)
elem (i) = FixedPoint(is, ds, a.elem (i));
}
FixedRowVector::FixedRowVector (const MArray<int> &is, const MArray<int> &ds,
const RowVector& a)
: MArray<FixedPoint> (dim_vector (1, a.length()))
{
if ((length() != is.length()) || (length() != ds.length())) {
(*current_liboctave_error_handler) ("vector size mismatch");
return;
}
for (int i = 0; i < length (); i++)
elem (i) = FixedPoint((unsigned int)is(i), (unsigned int)ds(i),
a.elem (i));
}
FixedRowVector::FixedRowVector (const RowVector &is, const RowVector &ds,
const RowVector& a)
: MArray<FixedPoint> (dim_vector (1, a.length()))
{
if ((length() != is.length()) || (length() != ds.length())) {
(*current_liboctave_error_handler) ("vector size mismatch");
return;
}
for (int i = 0; i < length (); i++)
elem (i) = FixedPoint((unsigned int)is(i), (unsigned int)ds(i),
a.elem (i));
}
FixedRowVector::FixedRowVector (unsigned int is, unsigned int ds,
const RowVector& a)
: MArray<FixedPoint> (dim_vector (1, a.length()))
{
for (int i = 0; i < length (); i++)
elem (i) = FixedPoint(is, ds, a.elem (i));
}
FixedRowVector::FixedRowVector (const MArray<int> &is, const MArray<int> &ds,
const RowVector& a, const RowVector& b)
: MArray<FixedPoint> (dim_vector (1, a.length()))
{
if ((length() != b.length()) || (length() != is.length()) ||
(length() != ds.length())) {
(*current_liboctave_error_handler) ("vector size mismatch");
return;
}
for (int i = 0; i < length (); i++)
elem (i) = FixedPoint((unsigned int)is(i), (unsigned int)ds(i),
(unsigned int)a.elem (i),
(unsigned int)b.elem (i));
}
FixedRowVector::FixedRowVector (const RowVector &is, const RowVector &ds,
const RowVector& a, const RowVector& b)
: MArray<FixedPoint> (dim_vector (1, a.length()))
{
if ((length() != b.length()) || (length() != is.length()) ||
(length() != ds.length())) {
(*current_liboctave_error_handler) ("vector size mismatch");
return;
}
for (int i = 0; i < length (); i++)
elem (i) = FixedPoint((unsigned int)is(i), (unsigned int)ds(i),
(unsigned int)a.elem (i),
(unsigned int)b.elem (i));
}
FixedRowVector::FixedRowVector (unsigned int is, unsigned int ds,
const RowVector& a, const RowVector& b)
: MArray<FixedPoint> (dim_vector (1, a.length()))
{
if (length() != b.length()) {
(*current_liboctave_error_handler) ("vector size mismatch");
return;
}
for (int i = 0; i < length (); i++)
elem (i) = FixedPoint(is, ds, (unsigned int)a.elem (i),
(unsigned int)b.elem (i));
}
#define GET_FIXED_PROP(METHOD) \
RowVector \
FixedRowVector:: METHOD (void) const \
{ \
int len = length(); \
RowVector retval(len); \
for (int i = 0; i < len; i++) \
retval(i) = (double) elem(i) . METHOD (); \
return retval; \
} \
GET_FIXED_PROP(sign);
GET_FIXED_PROP(signbit);
GET_FIXED_PROP(getdecsize);
GET_FIXED_PROP(getintsize);
GET_FIXED_PROP(getnumber);
GET_FIXED_PROP(fixedpoint);
#undef GET_FIXED_PROP
FixedRowVector
FixedRowVector::chdecsize (const double n)
{
int len = length();
FixedRowVector retval(len);
for (int i = 0; i < len; i++)
retval(i) = FixedPoint(elem(i).getintsize(), (int)n, elem(i));
return retval;
}
FixedRowVector
FixedRowVector::chdecsize (const RowVector &n)
{
int len = length();
if (len != n.length()) {
(*current_liboctave_error_handler) ("vector size mismatch in chdecsize");
return FixedRowVector();
}
FixedRowVector retval(len);
for (int i = 0; i < len; i++)
retval(i) = FixedPoint(elem(i).getintsize(), (int)n(i), elem(i));
return retval;
}
FixedRowVector
FixedRowVector::chintsize (const double n)
{
int len = length();
FixedRowVector retval(len);
for (int i = 0; i < len; i++)
retval(i) = FixedPoint((int)n, elem(i).getdecsize(), elem(i));
return retval;
}
FixedRowVector
FixedRowVector::chintsize (const RowVector &n)
{
int len = length();
if (len != n.length()) {
(*current_liboctave_error_handler) ("vector size mismatch in chdecsize");
return FixedRowVector();
}
FixedRowVector retval(len);
for (int i = 0; i < len; i++)
retval(i) = FixedPoint((int)n(i), elem(i).getdecsize(), elem(i));
return retval;
}
FixedRowVector
FixedRowVector::incdecsize (const double n) {
return chdecsize(n + getdecsize());
}
FixedRowVector
FixedRowVector::incdecsize (const RowVector &n) {
if (n.length() != length()) {
(*current_liboctave_error_handler) ("vector size mismatch in incdecsize");
return FixedRowVector();
}
return chdecsize(n + getdecsize());
}
FixedRowVector
FixedRowVector::incdecsize () {
return chdecsize(1 + getdecsize());
}
FixedRowVector
FixedRowVector::incintsize (const double n) {
return chintsize(n + getintsize());
}
FixedRowVector
FixedRowVector::incintsize (const RowVector &n) {
if (n.length() != length()) {
(*current_liboctave_error_handler) ("vector size mismatch in incintsize");
return FixedRowVector();
}
return chintsize(n + getintsize());
}
FixedRowVector
FixedRowVector::incintsize () {
return chintsize(1 + getintsize());
}
// Fixed Point Row Vector class.
bool
FixedRowVector::operator == (const FixedRowVector& a) const
{
int len = length ();
if (len != a.length ())
return 0;
for (int i = 0; i < len; i++)
if (elem(i) != a.elem(i))
return false;
return true;
}
bool
FixedRowVector::operator != (const FixedRowVector& a) const
{
return !(*this == a);
}
FixedRowVector&
FixedRowVector::insert (const FixedRowVector& a, int c)
{
int a_len = a.length ();
if (c < 0 || c + a_len > length ())
{
(*current_liboctave_error_handler) ("range error for insert");
return *this;
}
if (a_len > 0)
{
make_unique ();
for (int i = 0; i < a_len; i++)
xelem (c+i) = a.elem (i);
}
return *this;
}
FixedRowVector&
FixedRowVector::fill (FixedPoint val)
{
int len = length ();
if (len > 0)
{
make_unique ();
for (int i = 0; i < len; i++)
xelem (i) = val;
}
return *this;
}
FixedRowVector&
FixedRowVector::fill (FixedPoint val, int c1, int c2)
{
int len = length ();
if (c1 < 0 || c2 < 0 || c1 >= len || c2 >= len)
{
(*current_liboctave_error_handler) ("range error for fill");
return *this;
}
if (c1 > c2) { int tmp = c1; c1 = c2; c2 = tmp; }
if (c2 >= c1)
{
make_unique ();
for (int i = c1; i <= c2; i++)
xelem (i) = val;
}
return *this;
}
FixedRowVector
FixedRowVector::append (const FixedRowVector& a) const
{
int len = length ();
int nc_insert = len;
FixedRowVector retval (len + a.length ());
retval.insert (*this, 0);
retval.insert (a, nc_insert);
return retval;
}
FixedColumnVector
FixedRowVector::transpose (void) const
{
return FixedColumnVector (*this);
}
FixedRowVector
FixedRowVector::extract (int c1, int c2) const
{
if (c1 > c2) { int tmp = c1; c1 = c2; c2 = tmp; }
int new_c = c2 - c1 + 1;
FixedRowVector result (new_c);
for (int i = 0; i < new_c; i++)
result.xelem (i) = elem (c1+i);
return result;
}
FixedRowVector
FixedRowVector::extract_n (int r1, int n) const
{
FixedRowVector result (n);
for (int i = 0; i < n; i++)
result.xelem (i) = elem (r1+i);
return result;
}
#define DO_FIXED_VEC_FUNC(FUNC, MT) \
MT FUNC (const FixedRowVector& x) \
{ \
MT retval (x.length()); \
for (int i = 0; i < x.length(); i++) \
retval(i) = FUNC ( x (i) ); \
return retval; \
}
DO_FIXED_VEC_FUNC(real, FixedRowVector);
DO_FIXED_VEC_FUNC(imag, FixedRowVector);
DO_FIXED_VEC_FUNC(conj, FixedRowVector);
DO_FIXED_VEC_FUNC(abs, FixedRowVector);
DO_FIXED_VEC_FUNC(cos, FixedRowVector);
DO_FIXED_VEC_FUNC(cosh, FixedRowVector);
DO_FIXED_VEC_FUNC(sin, FixedRowVector);
DO_FIXED_VEC_FUNC(sinh, FixedRowVector);
DO_FIXED_VEC_FUNC(tan, FixedRowVector);
DO_FIXED_VEC_FUNC(tanh, FixedRowVector);
DO_FIXED_VEC_FUNC(sqrt, FixedRowVector);
DO_FIXED_VEC_FUNC(exp, FixedRowVector);
DO_FIXED_VEC_FUNC(log, FixedRowVector);
DO_FIXED_VEC_FUNC(log10, FixedRowVector);
DO_FIXED_VEC_FUNC(round, FixedRowVector);
DO_FIXED_VEC_FUNC(rint, FixedRowVector);
DO_FIXED_VEC_FUNC(floor, FixedRowVector);
DO_FIXED_VEC_FUNC(ceil, FixedRowVector);
FixedRowVector elem_pow (const FixedRowVector &a,
const FixedRowVector &b)
{
FixedRowVector retval;
int a_len = a.length ();
int b_len = b.length ();
if (a_len == 1)
{
retval.resize(b_len);
FixedPoint ad = a(0);
for (int i = 0; i < b_len; i++)
retval(i) = pow(ad, b(i));
}
else if (b_len == 1)
{
retval.resize(a_len);
FixedPoint bd = b(0);
for (int i = 0; i < a_len; i++)
retval(i) = pow(a(i), bd);
}
else if (a_len == b_len)
{
retval.resize(a_len);
for (int i = 0; i < a_len; i++)
retval(i) = pow(a(i), b(i));
}
else
gripe_nonconformant ("operator .^", a_len, b_len);
return retval;
}
FixedRowVector elem_pow (const FixedRowVector &a, const FixedPoint &b)
{
return elem_pow (a, FixedRowVector(1, b));
}
FixedRowVector elem_pow (const FixedPoint &a, const FixedRowVector &b)
{
return elem_pow (FixedRowVector(1, a), b);
}
// row vector by matrix -> row vector
FixedRowVector
operator * (const FixedRowVector& v, const FixedMatrix& a)
{
FixedRowVector retval;
int len = v.length ();
int a_nr = a.rows ();
int a_nc = a.cols ();
if (a_nr != len)
gripe_nonconformant ("operator *", 1, len, a_nr, a_nc);
else
{
int a_nr = a.rows ();
int a_nc = a.cols ();
retval.resize (a_nc, FixedPoint());
if (len != 0)
for (int i = 0; i < a_nc; i++)
for (int j = 0; j < a_nr; j++)
retval.elem (i) += v.elem(j) * a.elem(j,i);
}
return retval;
}
// other operations
FixedRowVector
FixedRowVector::map (fp_fp_Mapper f) const
{
FixedRowVector b (*this);
return b.apply (f);
}
FixedRowVector&
FixedRowVector::apply (fp_fp_Mapper f)
{
FixedPoint *d = fortran_vec (); // Ensures only one reference to my privates!
for (int i = 0; i < length (); i++)
d[i] = f (d[i]);
return *this;
}
FixedPoint
FixedRowVector::min (void) const
{
int len = length ();
if (len == 0)
return FixedPoint();
FixedPoint res = elem (0);
double res_val = res.fixedpoint ();
for (int i = 1; i < len; i++)
if (elem (i) .fixedpoint () < res_val) {
res = elem (i);
res_val = res.fixedpoint ();
}
return res;
}
FixedPoint
FixedRowVector::max (void) const
{
int len = length ();
if (len == 0)
return FixedPoint();
FixedPoint res = elem (0);
double res_val = res.fixedpoint ();
for (int i = 1; i < len; i++)
if (elem (i) .fixedpoint () > res_val) {
res = elem (i);
res_val = res.fixedpoint ();
}
return res;
}
std::ostream&
operator << (std::ostream& os, const FixedRowVector& a)
{
for (int i = 0; i < a.length (); i++)
os << " " << a.elem (i);
return os;
}
std::istream&
operator >> (std::istream& is, FixedRowVector& a)
{
int len = a.length();
if (len < 1)
is.clear (std::ios::badbit);
else
{
FixedPoint tmp;
for (int i = 0; i < len; i++)
{
is >> tmp;
if (is)
a.elem (i) = tmp;
else
break;
}
}
return is;
}
// row vector by column vector -> scalar
FixedPoint
operator * (const FixedRowVector& v, const FixedColumnVector& a)
{
FixedPoint retval;
int len = v.length ();
int a_len = a.length ();
if (len != a_len)
gripe_nonconformant ("operator *", len, a_len);
else if (len != 0)
for (int i = 0; i < len; i++)
retval += v.elem(i) * a.elem(i);
return retval;
}
/*
;;; Local Variables: ***
;;; mode: C++ ***
;;; End: ***
*/

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