change printe's default value from 100 to scf_nmax

Author: WHUweiqingzhou

source/module_io/read_input_item_output.cpp

@@ -83,6 +83,12 @@ void ReadInput::item_output()
     {
         Input_Item item("printe");
         item.annotation = "Print out energy for each band for every printe steps";
+        item.reset_value = [](const Input_Item& item, Parameter& para) {
+            if (para.input.printe <= 0) // default is scf_nmax
+            {
+                para.input.printe = para.input.scf_nmax;
+            }
+        };
         read_sync_int(input.printe);
         this->add_item(item);
     }

source/module_parameter/input_parameter.h

@@ -320,7 +320,7 @@ struct Input_para
     int out_pot = 0;                      ///< yes or no
     int out_wfc_pw = 0;                   ///< 0: no; 1: txt; 2: dat
     bool out_wfc_r = false;               ///< 0: no; 1: yes
-    int printe = 100;                     ///< mohan add 2011-03-16
+    int printe = 0;                       ///< Print out energy for each band for every printe step, default is scf_nmax
     std::vector<int> out_band = {0, 8};   ///< band calculation pengfei 2014-10-13
     int out_dos = 0;                      ///< dos calculation. mohan add 20090909
     bool out_mul = false;                 ///< qifeng add 2019-9-10