28 return 3 * x[0] * x[0] + 5 * x[1] * x[1] + 8;
34 Genfun::Argument arg(myfun.dimensionality());
37 format +=
" fun=%+.10f fun-myfun=%+.10f \n" ;
40 for (
double a = 0; a < 3; ++a) {
41 for (
double b = 0; b < 3; ++b) {
45 printf ( format.c_str() ,
46 x[0], x[1], myfun(arg),
fun(x),
47 fun(x) - myfun(arg) );
GAUDI_API std::string format(const char *,...)
MsgStream format utility "a la sprintf(...)".
Genfun::AbsFunction Function
GAUDI_API AIDAFunction adapter(const AIDA::IFunction &function)
double fun(const std::vector< double > &x)