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/*
* Stack.cpp
*
* Created on: 15 Apr 2013
* Author: s0965328
*/
#include <cstddef>
#include <math.h>
#include <cassert>
#include "Stack.h"
namespace AutoDiff {
Stack* Stack::vals = NULL;
Stack* Stack::diff = NULL;
Stack::Stack()
{
}
Stack::~Stack() {
this->clear();
}
double Stack::pop_back()
{
assert(this->lifo.size()!=0);
double v = this->lifo.top();
lifo.pop();
return v;
}
void Stack::push_back(double& v)
{
assert(!isnan(v));
this->lifo.push(v);
}
double& Stack::peek()
{
return this->lifo.top();
}
unsigned int Stack::size()
{
return this->lifo.size();
}
void Stack::clear()
{
while(!this->lifo.empty())
{
this->lifo.pop();
}
}
}
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