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/*************************************************************************/
/* */
/* Centre for Speech Technology Research */
/* University of Edinburgh, UK */
/* Copyright (c) 1995,1996 */
/* All Rights Reserved. */
/* */
/* Permission is hereby granted, free of charge, to use and distribute */
/* this software and its documentation without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of this work, and to */
/* permit persons to whom this work is furnished to do so, subject to */
/* the following conditions: */
/* 1. The code must retain the above copyright notice, this list of */
/* conditions and the following disclaimer. */
/* 2. Any modifications must be clearly marked as such. */
/* 3. Original authors' names are not deleted. */
/* 4. The authors' names are not used to endorse or promote products */
/* derived from this software without specific prior written */
/* permission. */
/* */
/* THE UNIVERSITY OF EDINBURGH AND THE CONTRIBUTORS TO THIS WORK */
/* DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING */
/* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT */
/* SHALL THE UNIVERSITY OF EDINBURGH NOR THE CONTRIBUTORS BE LIABLE */
/* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES */
/* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN */
/* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, */
/* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF */
/* THIS SOFTWARE. */
/* */
/*************************************************************************/
/* */
/* Author: Richard Caley (rjc@cstr.ed.ac.uk) */
/* Date: Fri Oct 10 1997 */
/* -------------------------------------------------------------------- */
/* A subclass of TVector which copies using memcopy. This isn't */
/* suitable for matrices of class objects which have to be copied */
/* using a constructor or specialised assignment operator. */
/* */
/*************************************************************************/
#include "EST_TSimpleVector.h"
#include "EST_matrix_support.h"
#include <fstream>
#include <cstring>
#include "EST_cutils.h"
using std::memset;
using std::memcpy;
template<class T> void EST_TSimpleVector<T>::copy(const EST_TSimpleVector<T> &a)
{
if (this->p_column_step==1 && a.p_column_step==1)
{
resize(a.n(), FALSE);
memcpy((void *)(this->p_memory), (const void *)(a.p_memory), this->n() * sizeof(T));
}
else
((EST_TVector<T> *)this)->copy(a);
}
template<class T> EST_TSimpleVector<T>::EST_TSimpleVector(const EST_TSimpleVector<T> &in)
{
this->default_vals();
copy(in);
}
// should copy from and delete old version first
template<class T> void EST_TSimpleVector<T>::resize(int newn, int set)
{
int oldn = this->n();
T *old_vals =NULL;
int old_offset = this->p_offset;
unsigned int q;
this->just_resize(newn, &old_vals);
if (set && old_vals)
{
int copy_c = 0;
if (this->p_memory != NULL)
{
copy_c = Lof(this->n(), oldn);
for (q=0; q<copy_c* sizeof(T); q++) /* for memcpy */
((char *)this->p_memory)[q] = ((char *)old_vals)[q];
}
for (int i=copy_c; i < this->n(); ++i)
this->p_memory[i] = *this->def_val;
}
if (old_vals != NULL && old_vals != this->p_memory && !this->p_sub_matrix)
delete [] (old_vals - old_offset);
}
template<class T>
void EST_TSimpleVector<T>::copy_section(T* dest, int offset, int num) const
{
unsigned int q;
if (num<0)
num = this->num_columns()-offset;
if (!EST_vector_bounds_check(num+offset-1, this->num_columns(), FALSE))
return;
if (!this->p_sub_matrix && this->p_column_step==1)
{
for (q=0; q<num* sizeof(T); q++) /* for memcpy */
((char *)dest)[q] = ((char *)(this->p_memory+offset))[q];
}
else
for(int i=0; i<num; i++)
dest[i] = this->a_no_check(offset+i);
}
template<class T>
void EST_TSimpleVector<T>::set_section(const T* src, int offset, int num)
{
unsigned int q;
if (num<0)
num = this->num_columns()-offset;
if (!EST_vector_bounds_check(num+offset-1, this->num_columns(), FALSE))
return;
if (!this->p_sub_matrix && this->p_column_step==1)
{
for (q=0; q<num* sizeof(T); q++) /* for memcpy */
((char *)(this->p_memory+offset))[q] = ((char *)(src))[q];
}
else
for(int i=0; i<num; i++)
this->a_no_check(offset+i) = src[i];
}
template<class T> EST_TSimpleVector<T> &EST_TSimpleVector<T>::operator=(const EST_TSimpleVector<T> &in)
{
copy(in);
return *this;
}
template<class T> void EST_TSimpleVector<T>::zero()
{
if (this->p_column_step==1)
memset((void *)(this->p_memory), 0, this->n() * sizeof(T));
else
((EST_TVector<T> *)this)->fill(*this->def_val);
}
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