// prec : max allowed absolute difference between the user function and computed parameterization on the requested grid
//
if (DimOut!=3) {Error("AliCheb3D","This constructor works only for 3D fits, %dD fit was requested\n",fDimOut); exit(1);}
// prec : max allowed absolute difference between the user function and computed parameterization on the requested grid
//
if (DimOut!=3) {Error("AliCheb3D","This constructor works only for 3D fits, %dD fit was requested\n",fDimOut); exit(1);}