TimeMap: Expose more data

basically, we now can access the beginning of a timestep its length
and the total time passed since the beginning of life, the universe
and all the rest.

opm/parser/eclipse/EclipseState/Schedule/TimeMap.cpp

@@ -30,6 +30,13 @@ namespace Opm {
         m_timeList.push_back( boost::posix_time::ptime(startDate) );
     }
 
+    double TimeMap::getTotalTime() const
+    {
+        if (m_timeList.size() < 2)
+            return 0.0;
+        boost::posix_time::time_duration deltaT = m_timeList.back() - m_timeList.front();
+        return static_cast<double>(deltaT.total_milliseconds())/1000.0;
+    }
 
     void TimeMap::addTime(boost::posix_time::ptime newTime) {
         boost::posix_time::ptime lastTime = m_timeList.back();
@@ -146,7 +153,31 @@ namespace Opm {
             }
         }
     } 
-    
+
+    double TimeMap::getTimeStepLength(int tStepIdx) const
+    {
+        assert(0 <= tStepIdx && tStepIdx < numTimesteps());
+        const boost::posix_time::ptime &t1
+            = m_timeList[tStepIdx];
+        const boost::posix_time::ptime &t2
+            = m_timeList[tStepIdx + 1];
+        const boost::posix_time::time_duration &deltaT
+            = t2 - t1;
+        return static_cast<double>(deltaT.total_milliseconds())/1000.0;
+    }
+
+    double TimeMap::getTimePassedUntil(int tStepIdx) const
+    {
+        assert(0 <= tStepIdx && tStepIdx < numTimesteps());
+        const boost::posix_time::ptime &t1
+            = m_timeList[tStepIdx];
+        const boost::posix_time::ptime &t2
+            = m_timeList.back();
+        const boost::posix_time::time_duration &deltaT
+            = t2 - t1;
+        return static_cast<double>(deltaT.total_milliseconds())/1000.0;
+    }
+
 }
 
 

opm/parser/eclipse/EclipseState/Schedule/TimeMap.hpp

@@ -36,9 +36,15 @@ namespace Opm {
         void addFromDATESKeyword( DeckKeywordConstPtr DATESKeyword );
         void addFromTSTEPKeyword( DeckKeywordConstPtr TSTEPKeyword );
         size_t size() const;
+        int numTimesteps() const { return m_timeList.size() - 1; }
+        double getTotalTime() const;
         /// Return the date and time where a given time step starts.
         boost::posix_time::ptime getStartTime(int tStepIdx) const
         { return m_timeList[tStepIdx]; }
+        /// Return the period of time in seconds which passed between the start of the simulation and a given time step.
+        double getTimePassedUntil(int tStepIdx) const;
+        /// Return the length of a given time step in seconds.
+        double getTimeStepLength(int tStepIdx) const;
         static boost::posix_time::ptime timeFromEclipse(DeckRecordConstPtr dateRecord);
         static boost::posix_time::ptime timeFromEclipse(int day , const std::string& month, int year, const std::string& eclipseTimeString = "00:00:00.000");
         static boost::posix_time::time_duration dayTimeFromEclipse(const std::string& eclipseTimeString);