WCudaMSE/Student_OMP/src/cpp/core/omp/02_pi/00_pi_tools.cpp

   1 #include "00_pi_tools.h"
   2 #include <iostream>
   3 #include "Chronos.h"
   4 #include "MathTools.h"
   5
   6 using std::cout;
   7 using std::endl;
   8
   9 /*----------------------------------------------------------------------*\
  10  |*                     Implementation                                  *|
  11  \*---------------------------------------------------------------------*/
  12
  13 /*--------------------------------------*\
  14  |*             Public                  *|
  15  \*-------------------------------------*/
  16
  17 double fpi(double x)
  18     {
  19     return 4 / (1 + x * x);
  20     }
  21
  22 bool isAlgoPI_OK(AlgoPI algoPI, int n, string title)
  23     {
  24     cout << endl << "[" << title << " running ...]" << endl;
  25     cout << "n=" << n << endl;
  26
  27     Chronos chrono;
  28     double piHat = algoPI(n);
  29     chrono.stop();
  30
  31     cout.precision(8);
  32     cout << "Pi hat  = " << piHat << endl;
  33     cout << "Pi true = " << PI << endl;
  34
  35     bool isOk = MathTools::isEquals(piHat, PI, 1e-6);
  36     cout << "isOk = " << isOk << endl;
  37
  38     cout.precision(3);
  39     chrono.print("time : ");
  40
  41     return isOk;
  42     }
  43
  44 /*--------------------------------------*\
  45  |*             Private                 *|
  46  \*-------------------------------------*/
  47
  48 /*----------------------------------------------------------------------*\
  49  |*                     End                                             *|
  50  \*---------------------------------------------------------------------*/
  51