Collaboration diagram for LogGridLight< T >:

Public Member Functions
void	set (T ri, T rf, int n)

int	locate (T r) const

T	operator() (int i)

T	getCLForQuintic (T r, int &loc) const

int	size ()

Static Public Member Functions
static T	getCL (T r, int &loc, double one_over_log_delta, T lower_bound, double log_delta)

Public Attributes
T	lower_bound

T	upper_bound

T	OneOverLogDelta

double	LogDelta

std::vector< T >	r_values

Detailed Description

template<typename T>
struct qmcplusplus::LogGridLight< T >

Definition at line 38 of file MultiQuinticSpline1D.h.

Member Function Documentation

◆ getCL()

static T getCL	(	T	r,
		int &	loc,
		double	one_over_log_delta,
		T	lower_bound,
		double	log_delta
	)

inlinestatic

Definition at line 61 of file MultiQuinticSpline1D.h.

References qmcplusplus::exp(), qmcplusplus::log(), and LogGridLight< T >::lower_bound.

Referenced by MultiQuinticSpline1D< T >::batched_evaluate(), and MultiQuinticSpline1D< T >::batched_evaluateVGL().

   {
     loc = static_cast<int>(std::log(r / lower_bound) * one_over_log_delta);
     return r - lower_bound * std::exp(loc * log_delta);
   }

◆ getCLForQuintic()

T getCLForQuintic	(	T	r,
		int &	loc
	)		const

inline

Definition at line 83 of file MultiQuinticSpline1D.h.

References LogGridLight< T >::locate(), and LogGridLight< T >::r_values.

Referenced by qmcplusplus::TEST_CASE().

   {
     loc = locate(r);
     return r - r_values[loc];
   }

◆ locate()

int locate ( T r ) const

inline

Definition at line 68 of file MultiQuinticSpline1D.h.

References qmcplusplus::log(), LogGridLight< T >::lower_bound, LogGridLight< T >::OneOverLogDelta, LogGridLight< T >::r_values, and LogGridLight< T >::upper_bound.

Referenced by LogGridLight< T >::getCLForQuintic(), and qmcplusplus::TEST_CASE().

   {
     int loc = static_cast<int>(std::log(r / lower_bound) * OneOverLogDelta);
     if (loc >= r_values.size())
       throw std::domain_error("r value " + std::to_string(r) + ">=" + std::to_string(upper_bound) + "\n");
     return loc;
   }

◆ operator()()

T operator() ( int i )

inline

Definition at line 76 of file MultiQuinticSpline1D.h.

References LogGridLight< T >::r_values.

   {
     //return static_cast<T>(lower_bound*std::exp(i*LogDelta));
     return r_values[i];
   }

◆ set()

void set	(	T	ri,
		T	rf,
		int	n
	)

inline

Definition at line 46 of file MultiQuinticSpline1D.h.

References qmcplusplus::exp(), qmcplusplus::log(), LogGridLight< T >::LogDelta, LogGridLight< T >::lower_bound, qmcplusplus::n, LogGridLight< T >::OneOverLogDelta, LogGridLight< T >::r_values, and LogGridLight< T >::upper_bound.

Referenced by RadialOrbitalSetBuilder< COT >::find_cutoff(), and qmcplusplus::TEST_CASE().

   {
     lower_bound       = ri;
     upper_bound       = rf;
     double ratio      = rf / ri;
     double log_ratio  = std::log(ratio);
     double dlog_ratio = log_ratio / static_cast<double>(n - 1);
     OneOverLogDelta   = 1.0 / dlog_ratio;
     LogDelta          = dlog_ratio;
     r_values.resize(n);
     for (int i = 0; i < n; i++)
       r_values[i] = ri * std::exp(i * dlog_ratio);
   }