Ejemplo n.º 1
0
int main(void)
{
  auto_ptr<int> p(new int(10)), q(new int(20));
  p = q;
  printf("size = %d\n", sizeof(auto_ptr<int>));
  std::vector<auto_ptr<int> > v_ptr(10);
}
Ejemplo n.º 2
0
void Fitter::performNl2sol(int nbit)
{
	enum {vF0 = 12};
	//the value of f(xinit) for final output
	double fxinit = 0;


	int nbParams = fitParameterList.size();
	int nbResids = argumentsList.size();

	// RN2GB: "LIV...... LENGTH OF IV... LIV MUST BE AT LEAST 4*P + 82"
	int liv	= 4 * nbParams + 82;
	// RN2GB: "LV....... LENGTH OF V...  LV  MUST BE AT LEAST 105 + P*(N + 2*P + 17) + 2*N"
	int lv = 105 + nbParams * (nbResids + 2 * nbParams + 17) + 2 * nbResids;
	std::unique_ptr<double[]> x_ptr(new double[nbParams]);
	std::unique_ptr<double[]> xb_ptr(new double[2 * nbParams]);
	std::unique_ptr<int[]> iv_ptr(new int[liv]);
	std::unique_ptr<double[]> v_ptr(new double[lv]);

	//initialize nl2sol parameters
	for (size_t i = 0; i < fitParameterList.size(); ++i)
	{
		x_ptr[i] = fitParameterList[i].value;
		xb_ptr[2 * i] = fitParameterList[i].lbvalue;
		xb_ptr[2 * i + 1] = fitParameterList[i].ubvalue;
	}
	//initialize default values for iv and v optimization settings
	int kind = 1;
	iv_ptr[0] = 0;
	divset_(&kind, iv_ptr.get(), &liv, &lv, v_ptr.get());
	//turn of output
	iv_ptr[20] = 0;
	//max iterations allowed
	iv_ptr[17] = 0;

	//try to execute optimization algorithm
	dn2fb_(&nbResids, &nbParams, x_ptr.get(), xb_ptr.get(), n2fbNormFunc,
			iv_ptr.get(), &liv, &lv, v_ptr.get(),
			reinterpret_cast<int *>(this), NULL, NULL);

	//storage size for iv_ptr or v_ptr was too small
	if((iv_ptr[0] == 15) || (iv_ptr[0] == 16))
	{
		//reallocate iv_ptr and v_ptr
		liv = iv_ptr[43];
		lv = iv_ptr[44];
		iv_ptr.reset(new int[liv]);
		v_ptr.reset(new double[lv]);
		//reset defaults
		divset_(&kind, iv_ptr.get(), &liv, &lv, v_ptr.get());
		//turn of output
		iv_ptr[20] = 0;
		//max iterations allowed
		iv_ptr[17] = 0;

		//execute optimization algorithm once to get f(xinit)
		dn2fb_(&nbResids, &nbParams, x_ptr.get(), xb_ptr.get(), n2fbNormFunc,
				iv_ptr.get(), &liv, &lv, v_ptr.get(),
				reinterpret_cast<int *>(this), NULL, NULL);
		//v(vF0 = 12) is the function value of f (x) at the start of the last iteration
		fxinit = v_ptr[vF0];

		//max iterations allowed
		iv_ptr[17] = nbit;
		//execute optimization algorithm nbit-1 times to optimize
		dn2fb_(&nbResids, &nbParams, x_ptr.get(), xb_ptr.get(), n2fbNormFunc,
				iv_ptr.get(), &liv, &lv, v_ptr.get(),
				reinterpret_cast<int *>(this), NULL, NULL);
	}

	resetFParameters(x_ptr.get());
	//reset v(vF0) to fxinit
	v_ptr[vF0] = fxinit;
	printNl2solInfo(iv_ptr.get(), v_ptr.get());
}