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RooGaussKronrodIntegrator1D.cxx File Reference
#include <assert.h>
#include <math.h>
#include <float.h>
#include "Riostream.h"
#include "TMath.h"
#include "RooGaussKronrodIntegrator1D.h"
#include "RooArgSet.h"
#include "RooRealVar.h"
#include "RooNumber.h"
#include "RooNumIntFactory.h"
#include "RooIntegratorBinding.h"
#include "RooMsgService.h"
Include dependency graph for RooGaussKronrodIntegrator1D.cxx:

Classes

struct  gsl_function_struct
 
struct  RooFit_internal::Roo_internal_GKInteg1D
 
struct  RooFit_internal::Roo_reg_GKInteg1D
 

Namespaces

namespace  RooFit_internal
 
namespace  ROOT
 This file contains a specialised ROOT message handler to test for diagnostic in unit tests.
 

Macros

#define GSL_DBL_EPSILON   2.2204460492503131e-16
 
#define GSL_DBL_MIN   2.2250738585072014e-308
 
#define GSL_EBADTOL   13 /* user specified an invalid tolerance */
 
#define GSL_ERROR(a, b)   oocoutE(nullptr,Eval) << "RooGaussKronrodIntegrator1D::integral() ERROR: " << a << endl ; return b ;
 
#define GSL_ETOL   14 /* failed to reach the specified tolerance */
 
#define GSL_FN_EVAL(F, x)   (*((F)->function))(x,(F)->params)
 
#define GSL_SUCCESS   0
 

Typedefs

typedef struct gsl_function_struct gsl_function
 

Functions

int gsl_integration_qng (const gsl_function *f, double a, double b, double epsabs, double epsrel, double *result, double *abserr, size_t *neval)
 
static double rescale_error (double err, const double result_abs, const double result_asc)
 
double RooGaussKronrodIntegrator1D_GSL_GlueFunction (double x, void *data)
 

Variables

static Roo_reg_GKInteg1D RooFit_internal::instance
 
static const double w10 [5]
 
static const double w21a [5]
 
static const double w21b [6]
 
static const double w43a [10]
 
static const double w43b [12]
 
static const double w87a [21]
 
static const double w87b [23]
 
static const double x1 [5]
 
static const double x2 [5]
 
static const double x3 [11]
 
static const double x4 [22]
 

Macro Definition Documentation

◆ GSL_DBL_EPSILON

#define GSL_DBL_EPSILON   2.2204460492503131e-16

Definition at line 265 of file RooGaussKronrodIntegrator1D.cxx.

◆ GSL_DBL_MIN

#define GSL_DBL_MIN   2.2250738585072014e-308

Definition at line 264 of file RooGaussKronrodIntegrator1D.cxx.

◆ GSL_EBADTOL

#define GSL_EBADTOL   13 /* user specified an invalid tolerance */

Definition at line 261 of file RooGaussKronrodIntegrator1D.cxx.

◆ GSL_ERROR

#define GSL_ERROR (   a,
  b 
)    oocoutE(nullptr,Eval) << "RooGaussKronrodIntegrator1D::integral() ERROR: " << a << endl ; return b ;

Definition at line 263 of file RooGaussKronrodIntegrator1D.cxx.

◆ GSL_ETOL

#define GSL_ETOL   14 /* failed to reach the specified tolerance */

Definition at line 262 of file RooGaussKronrodIntegrator1D.cxx.

◆ GSL_FN_EVAL

#define GSL_FN_EVAL (   F,
  x 
)    (*((F)->function))(x,(F)->params)

Definition at line 69 of file RooGaussKronrodIntegrator1D.cxx.

◆ GSL_SUCCESS

#define GSL_SUCCESS   0

Definition at line 260 of file RooGaussKronrodIntegrator1D.cxx.

Typedef Documentation

◆ gsl_function

typedef struct gsl_function_struct gsl_function

Definition at line 68 of file RooGaussKronrodIntegrator1D.cxx.

Function Documentation

◆ gsl_integration_qng()

int gsl_integration_qng ( const gsl_function *  f,
double  a,
double  b,
double  epsabs,
double  epsrel,
double *  result,
double *  abserr,
size_t *  neval 
)

Definition at line 490 of file RooGaussKronrodIntegrator1D.cxx.

◆ rescale_error()

static double rescale_error ( double  err,
const double  result_abs,
const double  result_asc 
)
static

Definition at line 282 of file RooGaussKronrodIntegrator1D.cxx.

◆ RooGaussKronrodIntegrator1D_GSL_GlueFunction()

double RooGaussKronrodIntegrator1D_GSL_GlueFunction ( double  x,
void *  data 
)

Definition at line 199 of file RooGaussKronrodIntegrator1D.cxx.

Variable Documentation

◆ w10

const double w10[5]
static
Initial value:
= {
0.066671344308688137593568809893332,
0.149451349150580593145776339657697,
0.219086362515982043995534934228163,
0.269266719309996355091226921569469,
0.295524224714752870173892994651338
}

Definition at line 329 of file RooGaussKronrodIntegrator1D.cxx.

◆ w21a

const double w21a[5]
static
Initial value:
= {
0.032558162307964727478818972459390,
0.075039674810919952767043140916190,
0.109387158802297641899210590325805,
0.134709217311473325928054001771707,
0.147739104901338491374841515972068
}

Definition at line 347 of file RooGaussKronrodIntegrator1D.cxx.

◆ w21b

const double w21b[6]
static
Initial value:
= {
0.011694638867371874278064396062192,
0.054755896574351996031381300244580,
0.093125454583697605535065465083366,
0.123491976262065851077958109831074,
0.142775938577060080797094273138717,
0.149445554002916905664936468389821
}

Definition at line 356 of file RooGaussKronrodIntegrator1D.cxx.

◆ w43a

const double w43a[10]
static
Initial value:
= {
0.016296734289666564924281974617663,
0.037522876120869501461613795898115,
0.054694902058255442147212685465005,
0.067355414609478086075553166302174,
0.073870199632393953432140695251367,
0.005768556059769796184184327908655,
0.027371890593248842081276069289151,
0.046560826910428830743339154433824,
0.061744995201442564496240336030883,
0.071387267268693397768559114425516
}

Definition at line 381 of file RooGaussKronrodIntegrator1D.cxx.

◆ w43b

const double w43b[12]
static
Initial value:
= {
0.001844477640212414100389106552965,
0.010798689585891651740465406741293,
0.021895363867795428102523123075149,
0.032597463975345689443882222526137,
0.042163137935191811847627924327955,
0.050741939600184577780189020092084,
0.058379395542619248375475369330206,
0.064746404951445885544689259517511,
0.069566197912356484528633315038405,
0.072824441471833208150939535192842,
0.074507751014175118273571813842889,
0.074722147517403005594425168280423
}

Definition at line 395 of file RooGaussKronrodIntegrator1D.cxx.

◆ w87a

const double w87a[21]
static
Initial value:
= {
0.008148377384149172900002878448190,
0.018761438201562822243935059003794,
0.027347451050052286161582829741283,
0.033677707311637930046581056957588,
0.036935099820427907614589586742499,
0.002884872430211530501334156248695,
0.013685946022712701888950035273128,
0.023280413502888311123409291030404,
0.030872497611713358675466394126442,
0.035693633639418770719351355457044,
0.000915283345202241360843392549948,
0.005399280219300471367738743391053,
0.010947679601118931134327826856808,
0.016298731696787335262665703223280,
0.021081568889203835112433060188190,
0.025370969769253827243467999831710,
0.029189697756475752501446154084920,
0.032373202467202789685788194889595,
0.034783098950365142750781997949596,
0.036412220731351787562801163687577,
0.037253875503047708539592001191226
}

Definition at line 437 of file RooGaussKronrodIntegrator1D.cxx.

◆ w87b

const double w87b[23]
static
Initial value:
= {
0.000274145563762072350016527092881,
0.001807124155057942948341311753254,
0.004096869282759164864458070683480,
0.006758290051847378699816577897424,
0.009549957672201646536053581325377,
0.012329447652244853694626639963780,
0.015010447346388952376697286041943,
0.017548967986243191099665352925900,
0.019938037786440888202278192730714,
0.022194935961012286796332102959499,
0.024339147126000805470360647041454,
0.026374505414839207241503786552615,
0.028286910788771200659968002987960,
0.030052581128092695322521110347341,
0.031646751371439929404586051078883,
0.033050413419978503290785944862689,
0.034255099704226061787082821046821,
0.035262412660156681033782717998428,
0.036076989622888701185500318003895,
0.036698604498456094498018047441094,
0.037120549269832576114119958413599,
0.037334228751935040321235449094698,
0.037361073762679023410321241766599
}

Definition at line 462 of file RooGaussKronrodIntegrator1D.cxx.

◆ x1

const double x1[5]
static
Initial value:
= {
0.973906528517171720077964012084452,
0.865063366688984510732096688423493,
0.679409568299024406234327365114874,
0.433395394129247190799265943165784,
0.148874338981631210884826001129720
}

Definition at line 320 of file RooGaussKronrodIntegrator1D.cxx.

◆ x2

const double x2[5]
static
Initial value:
= {
0.995657163025808080735527280689003,
0.930157491355708226001207180059508,
0.780817726586416897063717578345042,
0.562757134668604683339000099272694,
0.294392862701460198131126603103866
}

Definition at line 338 of file RooGaussKronrodIntegrator1D.cxx.

◆ x3

const double x3[11]
static
Initial value:
= {
0.999333360901932081394099323919911,
0.987433402908088869795961478381209,
0.954807934814266299257919200290473,
0.900148695748328293625099494069092,
0.825198314983114150847066732588520,
0.732148388989304982612354848755461,
0.622847970537725238641159120344323,
0.499479574071056499952214885499755,
0.364901661346580768043989548502644,
0.222254919776601296498260928066212,
0.074650617461383322043914435796506
}

Definition at line 366 of file RooGaussKronrodIntegrator1D.cxx.

◆ x4

const double x4[22]
static
Initial value:
= {
0.999902977262729234490529830591582,
0.997989895986678745427496322365960,
0.992175497860687222808523352251425,
0.981358163572712773571916941623894,
0.965057623858384619128284110607926,
0.943167613133670596816416634507426,
0.915806414685507209591826430720050,
0.883221657771316501372117548744163,
0.845710748462415666605902011504855,
0.803557658035230982788739474980964,
0.757005730685495558328942793432020,
0.706273209787321819824094274740840,
0.651589466501177922534422205016736,
0.593223374057961088875273770349144,
0.531493605970831932285268948562671,
0.466763623042022844871966781659270,
0.399424847859218804732101665817923,
0.329874877106188288265053371824597,
0.258503559202161551802280975429025,
0.185695396568346652015917141167606,
0.111842213179907468172398359241362,
0.037352123394619870814998165437704
}

Definition at line 411 of file RooGaussKronrodIntegrator1D.cxx.