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// array.c
/******************************************************************************
*
* MiXViews - an X window system based sound & data editor/processor
*
* Copyright (c) 1993, 1994 Regents of the University of California
*
* Author: Douglas Scott
* Date: December 13, 1994
*
* Permission to use, copy and modify this software and its documentation
* for research and/or educational purposes and without fee is hereby granted,
* provided that the above copyright notice appear in all copies and that
* both that copyright notice and this permission notice appear in
* supporting documentation. The author reserves the right to distribute this
* software and its documentation. The University of California and the author
* make no representations about the suitability of this software for any
* purpose, and in no event shall University of California be liable for any
* damage, loss of data, or profits resulting from its use.
* It is provided "as is" without express or implied warranty.
*
******************************************************************************/
#ifdef __GNUG__
#pragma implementation
#endif
#include "localdefs.h"
#include "array.h"
template <class T>
Array<T>::Array(int cols) : columns(cols) {
array = new T[cols];
T temp = 0;
for(int i=0; i < columns; i++)
array[i] = temp;
}
template <class T>
const Array<T> &
Array<T>::operator = (const Array<T>& rhs) {
for(int i=0; i < columns && i < rhs.columns; i++)
array[i] = rhs.array[i];
return *this;
}
template <class T>
void
Array<T>::shiftLeft(int spaces) {
register T *dest = array, *src = array + spaces - 1;
register T* endPoint = array + columns;
while(src < endPoint) { *dest++ = *src++; }
}
template <class T>
void
Array<T>::shiftRight(int spaces) {
register T *dest = array + spaces - 1, *src = array;
register T* endPoint = array + columns;
while(dest < endPoint) { *dest++ = *src++; }
}
#if 0
TwoDimensionalArray::TwoDimensionalArray(int rws, int cols) : rows(rws) {
arrays = new Array *[cols];
for(int i = 0; i < rows; i++)
arrays[i] = new Array(cols);
}
TwoDimensionalArray::~TwoDimensionalArray() {
for(int i = 0; i < rows; i++)
delete arrays[i];
delete [] arrays;
}
const TwoDimensionalArray&
TwoDimensionalArray::operator = (const TwoDimensionalArray& rhs) {
for(int i=0; i < rows && i < rhs.rows; i++)
*arrays[i] = *rhs.arrays[i];
return *this;
}
#endif
double **
create2DArray(int rows, int cols) {
int ptrspace = rows * sizeof(double*);
int rowspace = rows * sizeof(double);
addr ptr = new char[(cols*rowspace) + ptrspace];
double** arr = (double**) ptr;
for(int row=0; row < rows; row++) {
arr[row] = (double *) (ptr + ptrspace + (rowspace * row));
}
return arr;
}
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