void JplApproximateEphemeris::VLoad()
{
// make_unique not supported in c++11
g_ephemerisDatabase = std::unique_ptr<JplApproximateEphemerisIO>(new JplApproximateEphemerisIO(GetDataFilename()));
try
{
g_ephemerisDatabase->Initialize();
}
catch (std::exception ex)
{
OTL_FATAL() << "Exception caught while trying to load ephemeris datafile " <<
Bracket(GetDataFilename()) << ": " << Bracket(ex.what());
}
}
PhysicalProperties JplApproximateEphemeris::VGetPhysicalProperties(const std::string& name)
{
try
{
return GetPlanetPhysicalProperties(name);
}
catch (std::exception ex)
{
OTL_ERROR() << "Exception caught while trying to retrieve physical properties for "
<< Bracket(name) << ": " << Bracket(ex.what());
}
return PhysicalProperties();
}
OrbitalElements JplApproximateEphemeris::VGetOrbitalElements(const std::string& name, const Epoch& epoch)
{
try
{
return g_ephemerisDatabase->GetOrbitalElements(name, epoch);
}
catch (std::exception ex)
{
OTL_ERROR() << "Exception caught while trying to retrieve state vector for " << Bracket(name) <<
" at epoch " << Bracket(epoch) << ": " << Bracket(ex.what());
}
return OrbitalElements();
}
LagrangianPropagator::LagrangeCoefficients LagrangianPropagator::CalculateLagrangeCoefficients(double r0, double seconds, double sqrtMu, const UniversalVariableResult& result)
{
// Unpack the inputs
const double& x = result.x;
const double& r = result.r;
const double& psi = result.psi;
const double& c2 = result.stumpff.c2;
const double& c3 = result.stumpff.c3;
// Create aliases for Lagrange coefficients
LagrangeCoefficients coeff;
double& f = coeff.f;
double& g = coeff.g;
double& fDot = coeff.fDot;
double& gDot = coeff.gDot;
f = 1.0 - SQR(x) / r0 * c2;
fDot = sqrtMu / r / r0 * x * (psi * c3 - 1.0);
g = seconds - pow(x, 3.0) / sqrtMu * c3;
gDot = 1.0 - SQR(x) / r * c2;
double sanityCheck = std::abs((f * gDot - fDot * g) - 1.0);
OTL_WARN_IF(sanityCheck > MATH_TOLERANCE, "Sanity check failed for " << Bracket(sanityCheck) << " == " << Bracket(MATH_TOLERANCE));
return coeff;
}
int main() {
bool isBalanced = true;
int errorPos = 0;
std::string text;
getline(std::cin, text);
std::stack <Bracket> opening_brackets_stack;
for (int position = 0; position < text.length(); ++position) {
char next = text[position];
if (next == '(' || next == '[' || next == '{') {
// Process opening bracket, write your code here
Bracket b = Bracket(next, position);
opening_brackets_stack.push(b);
}
if (next == ')' || next == ']' || next == '}') {
// Process closing bracket, write your code here
if( opening_brackets_stack.empty() == false )
{
Bracket b = opening_brackets_stack.top();
if ( b.Matchc(next) == false ) {
isBalanced = false;
errorPos = position;
break;
} else
opening_brackets_stack.pop();
} else
{
isBalanced = false;
errorPos = position;
break;
}
}
}
if(opening_brackets_stack.empty() == false && isBalanced == true)
{
isBalanced = false;
errorPos = opening_brackets_stack.top().position;
}
// Printing answer, write your code here
if ( isBalanced )
std::cout << "Success" << "\n";
else
std::cout << errorPos+1 << "\n";
return 0;
}
Epoch MpcorbEphemeris::GetReferenceEpoch(const std::string& name)
{
if (IsValidName(name))
{
UpdateReference(name);
return m_referenceEpoch;
}
else
{
OTL_ERROR() << "Name " << Bracket(name) << " not found";
}
return Epoch();
}
OrbitalElements MpcorbEphemeris::GetReferenceOrbitalElements(const std::string& name)
{
if (IsValidName(name))
{
UpdateReference(name);
return m_referenceOrbitalElements;
}
else
{
OTL_ERROR() << "Name " << Bracket(name) << " not found";
}
return OrbitalElements();
}
PhysicalProperties MpcorbEphemeris::VGetPhysicalProperties(const std::string& name)
{
try
{
return g_ephemerisDatabase->GetPhysicalProperties(name);
}
catch (std::exception ex)
{
OTL_ERROR() << "Exception caught while retrieving physical properties for " << Bracket(name);
}
return PhysicalProperties();
}
TString MillePedeTrees::ParSi(const TString &tree, UInt_t iParam) const
{
TString index(Form("%sparSize*%d", tree.Data(), iParam));
if (iParam > 1) {
UInt_t aParNum = 1;
UInt_t reducer = 0;
while (aParNum < iParam) {
reducer += aParNum;
++aParNum;
}
index += Form("-%d", reducer);
}
return Sqrt((tree + "Cov") += Bracket(index));
}
////////////////////////////////////////////////////////////
// Vallado, preferred method but nearly identical performance-wise as Curtis
LagrangianPropagator::UniversalVariableResult
LagrangianPropagator::CalculateUniversalVariable(double r0, double v0, double rdotv, double seconds, double mu)
{
// Create aliases for results
UniversalVariableResult results;
double& x = results.x;
double& r = results.r;
double& psi = results.psi;
double& c2 = results.stumpff.c2;
double& c3 = results.stumpff.c3;
auto& stumpff = results.stumpff;
// Compute frequently used variables
double sqrtMu = sqrt(mu);
double alpha = 2.0 / r0 - SQR(v0) / mu; // Reciprocal of semi-major axis
// Compute the initial guess depending on orbit type
x = CalculateUniversableVariableInitialGuess(r0, v0, rdotv, alpha, seconds, mu);
// Solve using Newton-Raphson iteration
int iter = 0;
const int MAX_ITERATIONS = 100;
double xPrev, error = MATH_INFINITY;
while (error >= MATH_TOLERANCE && iter++ < MAX_ITERATIONS)
{
xPrev = x;
double xSquared = SQR(x);
psi = xSquared * alpha;
stumpff = CalculateStumpffParameters(psi);
r = xSquared * c2 + (rdotv / sqrtMu) * x * (1.0 - psi * c3) + r0 * (1.0 - psi * c2);
x += (sqrtMu * seconds - pow(x, 3.0) * c3 - rdotv / sqrtMu * xSquared * c2 - r0 * x * (1.0 - psi * c3)) / r;
error = fabs(x - xPrev);
}
OTL_WARN_IF(iter == MAX_ITERATIONS, "Max iterations << " << Bracket(MAX_ITERATIONS) << " reached before error " << Bracket(error) << " within tolerance " << Bracket(MATH_TOLERANCE));
return results;
}
string Postfix::Record(const string& infstring)const
{
if (!infstring.length())
throw
exception("String is empty");
Bracket(infstring);
int tmp1 = Line(infstring);
if (tmp1)
throw
exception("You have entered incorrect string");
map <char, int> operations;
operations['*'] = 3;
operations['/'] = 3;
operations['+'] = 2;
operations['-'] = 2;
operations['('] = 1;
Stack<char> result;
Stack<char> operationsstack;
char temp;
for (int i = 0; i < infstring.length(); i++)
{
if (infstring[i] == ' ')
continue;
temp = infstring[i];
if (operations.count(temp))
{
if ((!operationsstack.IsEmpty()) && (operations[temp] <= operations[operationsstack.GetKey()]) && (temp != '('))
while ((!operationsstack.IsEmpty()) && (operations[temp] <= operations[operationsstack.GetKey()]))
result.Push(operationsstack.Pop());
operationsstack.Push(temp);
continue;
}
if (((temp >= 'a') && (temp <= 'z')) || ((temp >= 'A') && (temp <= 'Z')))
{
result.Push(temp);
continue;
}
if (temp == ')')
{
char t = '0';
while ((!operationsstack.IsEmpty()) && (t != '('))
{
t = operationsstack.Pop();
result.Push(t);
}
if (t == '(')
result.Pop();
continue;
}
throw
exception("You have entered anavailable symbol");
}
while (!operationsstack.IsEmpty())
result.Push(operationsstack.Pop());
if (result.IsEmpty())
throw
exception("You haven't entered any expression");
string resultstring = "";
while (!result.IsEmpty())
operationsstack.Push(result.Pop());
while (!operationsstack.IsEmpty())
resultstring += operationsstack.Pop();
return resultstring;
}
TString MillePedeTrees::ParSi(UInt_t iParam) const
{
return (MpT() += "Sigma") += Bracket(iParam);
}
TString MillePedeTrees::Diff(UInt_t iParam) const
{
return (MpT() += "DiffBefore") += Bracket(iParam);
}
TString MillePedeTrees::Cor(UInt_t iParam) const
{
return (MpT() += "GlobalCor") += Bracket(iParam);
}
TString MillePedeTrees::Valid(UInt_t iParam) const
{
return (MpT() += "IsValid") += Bracket(iParam);
}
