root [ 0 ] 1+1
( const int ) 2
root [ 1 ] 2*(4+2) /12.
( const double ) 1.00000000000000000 e+00
root [ 2 ] sqrt ( 3 )
( const double ) 1.73205080756887719 e+00
root [ 3 ] 1 > 2
( const int ) 0
root [ 4 ] TMath : : Pi ( )
( Double_t ) 3.14159265358979312 e+00
root [ 5 ] TMath : : Erf ( . 2 )
( Double_t ) 2.22702589210478447e-01

root [ 6 ] double x=.5
root [ 7 ] int N=30
root [ 8 ] double geom_series=0
root [ 9 ] for ( int i=0;i<N;++i ) geom_series+=TMath : : Power ( x , i )
root [ 1 0 ] TMath : : Abs ( geom_series - (1-TMath : : Power ( x , N-1) ) /(1-x ) )
( Double_t ) 1.86264514923095703e-09