nparams = 0;
eval_f = evalf_f = real_part_f = imag_part_f = conjugate_f = expand_f
= derivative_f = expl_derivative_f = power_f = series_f = nullptr;
- info_f = 0;
+ info_f = nullptr;
evalf_params_first = true;
use_return_type = false;
eval_use_exvector_args = false;
}
}
- if (opt.evalf_f==0) {
+ if (opt.evalf_f==nullptr) {
return function(serial,eseq).hold();
}
current_serial = serial;
GINAC_ASSERT(serial<registered_functions().size());
const function_options &opt = registered_functions()[serial];
- if (opt.series_f==0) {
+ if (opt.series_f==nullptr) {
return basic::series(r, order);
}
ex res;
GINAC_ASSERT(serial<registered_functions().size());
const function_options & opt = registered_functions()[serial];
- if (opt.conjugate_f==0) {
+ if (opt.conjugate_f==nullptr) {
return conjugate_function(*this).hold();
}
GINAC_ASSERT(serial<registered_functions().size());
const function_options & opt = registered_functions()[serial];
- if (opt.real_part_f==0)
+ if (opt.real_part_f==nullptr)
return basic::real_part();
if (opt.real_part_use_exvector_args)
GINAC_ASSERT(serial<registered_functions().size());
const function_options & opt = registered_functions()[serial];
- if (opt.imag_part_f==0)
+ if (opt.imag_part_f==nullptr)
return basic::imag_part();
if (opt.imag_part_use_exvector_args)
GINAC_ASSERT(serial<registered_functions().size());
const function_options & opt = registered_functions()[serial];
- if (opt.info_f==0) {
+ if (opt.info_f==nullptr) {
return basic::info(inf);
}