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EST_TSimpleVector.cc
/*************************************************************************/
/* */
/* Centre for Speech Technology Research */
/* University of Edinburgh, UK */
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/*************************************************************************/
/* */
/* 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);
}
EST_TSimpleVector
Definition EST_TSimpleVector.h:52
EST_TSimpleVector::EST_TSimpleVector
EST_TSimpleVector()
default constructor
Definition EST_TSimpleVector.h:58
EST_TSimpleVector::zero
void zero(void)
Fill entire array with 0 bits.
Definition EST_TSimpleVector.cc:144
EST_TSimpleVector::resize
void resize(int n, int set=1)
resize vector
Definition EST_TSimpleVector.cc:70
EST_TSimpleVector::operator=
EST_TSimpleVector & operator=(const EST_TSimpleVector< T > &s)
assignment operator
Definition EST_TSimpleVector.cc:138
EST_TVector
Definition EST_TVector.h:148
EST_TVector< double >::p_offset
unsigned int p_offset
Definition EST_TVector.h:160
EST_TVector< double >::just_resize
void just_resize(int new_cols, double **old_vals)
Definition EST_TVector.cc:161
EST_TVector::default_vals
void default_vals()
sets data and length to default values (0 in both cases).
Definition EST_TVector.cc:50
EST_TVector::def_val
static const T * def_val
default value, used for filling matrix after resizing
Definition EST_TVector.h:223
EST_TVector::n
INLINE int n() const
number of items in vector.
Definition EST_TVector.h:254
EST_TVector::EST_TVector
EST_TVector()
default constructor
Definition EST_TVector.cc:61
EST_TVector::p_memory
T * p_memory
Definition EST_TVector.h:154