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function classes: const calls and fonction pointer support

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This commit is contained in:
Antonin Portelli
2014-02-12 18:32:08 +00:00
parent 74c11a1da3
commit 4659cdb607
6 changed files with 110 additions and 98 deletions
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33
latan/Function.cpp
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@@ -61,27 +61,38 @@ unsigned int Function::getNArg(void) const
/******************************************************************************
* DoubleFunction implementation *
******************************************************************************/
DoubleFunction::DoubleFunction(const unsigned nArg)
: Function(nArg), buffer_(nArg)
{}
DoubleFunction::DoubleFunction(const unsigned nArg, vecFunc *f)
: Function(nArg)
, f_(f)
{
buffer_ = new vector<double>(nArg);
}
DoubleFunction::~DoubleFunction(void)
{}
{
delete buffer_;
}
double DoubleFunction::operator()(std::stack<double> &arg)
double DoubleFunction::evaluate(const std::vector<double> &arg) const
{
std::cout << "double()" << endl;
return f_(arg);
}
double DoubleFunction::operator()(std::stack<double> &arg) const
{
for (unsigned int i = 0; i < getNArg(); ++i)
{
buffer_[getNArg() - i - 1] = arg.top();
(*buffer_)[getNArg() - i - 1] = arg.top();
arg.pop();
}
return (*this)(buffer_);
return this->evaluate(*buffer_);
}
double DoubleFunction::operator()(const double x0, ...)
double DoubleFunction::operator()(const double x0, ...) const
{
buffer_[0] = x0;
(*buffer_)[0] = x0;
if (getNArg() > 1)
{
va_list va;
@@ -89,10 +100,10 @@ double DoubleFunction::operator()(const double x0, ...)
va_start(va, x0);
for (unsigned int i = 1; i < getNArg(); ++i)
{
buffer_[i] = va_arg(va, double);
(*buffer_)[i] = va_arg(va, double);
}
va_end(va);
}
return (*this)(buffer_);
return this->evaluate(*buffer_);
}