void _reset() {
v_w.reset();
v_p.reset();
v_y.reset();
v_fixed_dw.reset();
var_const = fixed_const = 0;
}
void reset(const AzDvect *inp_v_y,
const AzDvect *inp_v_fixed_dw=NULL) {
v_dw.reform(inp_v_y->rowNum());
v_dw.set(1);
v_tar_dw.set(inp_v_y);
v_y.set(inp_v_y);
fixed_dw_sum = -1;
v_fixed_dw.reset();
if (!AzDvect::isNull(inp_v_fixed_dw)) {
v_fixed_dw.set(inp_v_fixed_dw);
if (v_fixed_dw.rowNum() != v_y.rowNum()) {
throw new AzException(AzInputError, "AzTrTtarget::reset",
"conlict in dimensionality: y and data point weights");
}
fixed_dw_sum = v_fixed_dw.sum();
}
}
