bisection search now template, add new load json handler

json/json_functions_bno.h

@@ -5,6 +5,31 @@
 #include "TimeFunctions.h"
 #include "json_functions.h"
 
+static bool loadjson(const jsonval& parent, const std::string& key, std::vector<TimeJD>& vec, const bool exist = true, bool* loaded = nullptr)
+{
+    jsonval::ConstMemberIterator itr;
+    if (!extract_value(parent, key, exist, loaded, itr)) {
+        return false;
+    }
+
+    const jsonval& a = itr->value;
+
+    if (!a.IsArray()) {
+        throw Exp() << "error: element is not an array";
+    }
+
+    for (jsonval::ConstValueIterator it = a.Begin(); it != a.End(); ++it) {
+        if (it->IsString()) {
+            vec.emplace_back(StrToDate(it->GetString()));
+        }
+        else {
+            throw Exp() << "error: unsupported type";
+        }
+    }
+
+    return true;
+}
+
 static void loadjson(const jsonval& parent, const std::string& key, TimeJD& value, bool exist = true, bool* loaded = nullptr)
 {
     const jsonval::ConstMemberIterator itr = parent.FindMember(key.c_str());

utils/TimeFunctions.h

@@ -500,7 +500,6 @@ inline TimeJD get_current_time()
     const auto s_now = get_current_time("%d/%m/%Y %H:%M:%S");
 
     StrToDate(s_now, now);
-
-    //return StrToDate("16/09/2020 09:00:00");
+    
     return now;
 }

utils/xalgorithm.h

@@ -112,11 +112,12 @@ inline double golden_section_search_stdf(
     }
 }
 
+template <typename T>
 inline double bisection_search_stdf(
     double a,
     double b,
     const double accuracy,
-    const std::function<bool(const double&)>& f
+    const std::function<T(const double&)>& f
 )
 {
     //f(a) should not be equal f(b) at the first step