fix/optimize floating point precision for file output/info output/json output

cython/setup.py

@@ -15,7 +15,7 @@ extensions = Extension(
 
 setup(
     name="imc_termite",
-    version='1.2.5',
+    version='1.2.6',
     description='IMCtermite cython extension',
     author='Record Evolution GmbH',
     author_email='mario.fink@record-evolution.de',

lib/imc_channel.hpp

@@ -6,6 +6,7 @@
 #include <sstream>
 #include "imc_datatype.hpp"
 #include "imc_conversion.hpp"
+#include <math.h>
 
 //---------------------------------------------------------------------------//
 
@@ -20,7 +21,7 @@ namespace imc
     // collect affiliate blocks for a single channel
     std::string CBuuid_, CGuuid_, CCuuid_, CNuuid_;
     std::string CDuuid_, CTuuid_, Cbuuid_, CPuuid_, CRuuid_, CSuuid_;
-    std::string NTuuid_, NOuuid_;
+    std::string NTuuid_, NOuuid_, NLuuid_;
 
     // reset all members
     void reset()
@@ -38,6 +39,7 @@ namespace imc
       CSuuid_.clear();
       NTuuid_.clear();
       NOuuid_.clear();
+      NLuuid_.clear();
     }
 
     // get info
@@ -58,7 +60,8 @@ namespace imc
         <<std::setw(width)<<std::left<<"CSuuid:"<<CSuuid_<<"\n"
         //
         <<std::setw(width)<<std::left<<"NTuuid:"<<NTuuid_<<"\n"
-        <<std::setw(width)<<std::left<<"NOuuid:"<<NOuuid_<<"\n";
+        <<std::setw(width)<<std::left<<"NOuuid:"<<NOuuid_<<"\n"
+        <<std::setw(width)<<std::left<<"NLuuid:"<<NLuuid_<<"\n";
       return ss.str();
     }
 
@@ -79,32 +82,55 @@ namespace imc
              <<"\",\"CSuuid\":\""<<CSuuid_
              <<"\",\"NTuuid\":\""<<NTuuid_
              <<"\",\"NOuuid\":\""<<NOuuid_
+             <<"\",\"NLuuid\":\""<<NLuuid_
              <<"\"}";
       return ss.str();
     }
   };
 
+  // adjust stream object
+  void customize_stream(std::ostream& stout, int prec, bool fixed)
+  {
+    if ( fixed )
+    {
+      stout<<std::setprecision(prec)<<std::fixed;
+    }
+    else
+    {
+      stout<<std::setprecision(prec);
+    }
+  }
+
   // given a list of numeric objects, join it into a string
   template<typename dt>
-  std::string joinvec(std::vector<dt> myvec, unsigned long int limit = 10)
+  std::string joinvec(std::vector<dt> myvec, unsigned long int limit = 10, int prec = 10, bool fixed = true)
   {
-    // include entire list for limit = - 1
+    // include entire list for limit = 0
     limit = (limit == 0) ? myvec.size() : limit;
 
     std::stringstream ss;
     ss<<"[";
     if ( myvec.size() <= limit )
     {
-      for ( dt el: myvec ) ss<<std::setprecision(10)<<el<<",";
+      for ( dt el: myvec )
+      {
+        customize_stream(ss,prec,fixed);
+        ss<<el<<",";
+      }
     }
     else
     {
       unsigned long int heals = (unsigned long int)(limit/2.);
-      for ( unsigned long int i = 0; i < heals; i++ ) ss<<myvec[i]<<",";
+      for ( unsigned long int i = 0; i < heals; i++ )
+      {
+        customize_stream(ss,prec,fixed);
+        ss<<myvec[i]<<",";
+      }
       ss<<"...";
       for ( unsigned long int i = myvec.size()-heals; i < myvec.size(); i++ )
       {
-        ss<<std::setprecision(10)<<myvec[i]<<",";
+        customize_stream(ss,prec,fixed);
+        ss<<myvec[i]<<",";
       }
     }
     std::string sumstr = ss.str();
@@ -122,13 +148,15 @@ namespace imc
     std::vector<unsigned char>* buffer_;
 
     // collect meta-data of channels according to env,
-    //  just everything valueable in here
+    // just everything valueable in here
     std::string uuid_;
     std::string name_, comment_;
     std::string origin_, origin_comment_, text_;
+    std::string language_code_, codepage_;
     std::string yname_, yunit_;
     std::string xname_, xunit_;
     double xstepwidth_, xoffset_;
+    int xprec_;
 
     // buffer and data
     int signbits_, num_bytes_;
@@ -185,6 +213,9 @@ namespace imc
         xunit_ = blocks_->at(chnenv_.CDuuid_).get_parameter(prms[5]);
         // TODO
         // xname_ = std::string("time");
+
+        // find appropriate precision for "xdata_" by means of "xstepwidth_"
+        xprec_ = (xstepwidth_ > 0 ) ? ceil(fabs(log10(xstepwidth_))) : 10;
       }
 
       // extract associated CP data
@@ -233,6 +264,19 @@ namespace imc
         origin_comment_ = blocks_->at(chnenv_.NOuuid_).get_parameter(prms[6]);
       }
 
+      // extract associated NL data
+      // codepage:
+      // - http://www.iana.org/assignments/character-sets/character-sets.xhtml
+      // - https://de.wikipedia.org/wiki/Zeichensatztabelle
+      // language-code:
+      // - https://docs.microsoft.com/en-us/openspecs/windows_protocols/ms-lcid/a9eac961-e77d-41a6-90a5-ce1a8b0cdb9c?redirectedfrom=MSDN
+      if ( blocks_->count(chnenv_.NLuuid_) == 1 )
+      {
+        prms = blocks_->at(chnenv_.NLuuid_).get_parameters();
+        codepage_ = blocks_->at(chnenv_.NLuuid_).get_parameter(prms[2]);
+        language_code_ = blocks_->at(chnenv_.NLuuid_).get_parameter(prms[3]);
+      }
+
       // start converting binary buffer to imc::datatype
       if ( !chnenv_.CSuuid_.empty() ) convert_buffer();
     }
@@ -330,6 +374,8 @@ namespace imc
         <<std::setw(width)<<std::left<<"comment:"<<comment_<<"\n"
         <<std::setw(width)<<std::left<<"origin:"<<origin_<<"\n"
         <<std::setw(width)<<std::left<<"description:"<<text_<<"\n"
+        <<std::setw(width)<<std::left<<"language-code:"<<language_code_<<"\n"
+        <<std::setw(width)<<std::left<<"codepage:"<<codepage_<<"\n"
         <<std::setw(width)<<std::left<<"yname:"<<yname_<<"\n"
         <<std::setw(width)<<std::left<<"yunit:"<<yunit_<<"\n"
         <<std::setw(width)<<std::left<<"datatype:"<<datatp_<<"\n"
@@ -344,8 +390,8 @@ namespace imc
         <<std::setw(width)<<std::left<<"offset:"<<offset_<<"\n"
         <<std::setw(width)<<std::left<<"group:"<<"("<<group_index_<<","<<group_name_
                                                     <<","<<group_comment_<<")"<<"\n"
-        <<std::setw(width)<<std::left<<"ydata:"<<imc::joinvec<imc::datatype>(ydata_)<<"\n"
+        <<std::setw(width)<<std::left<<"ydata:"<<imc::joinvec<imc::datatype>(ydata_,10,9,true)<<"\n"
-        <<std::setw(width)<<std::left<<"xdata:"<<imc::joinvec<double>(xdata_)<<"\n";
+        <<std::setw(width)<<std::left<<"xdata:"<<imc::joinvec<double>(xdata_,10,xprec_,true)<<"\n";
         // <<std::setw(width)<<std::left<<"aff. blocks:"<<chnenv_.get_json()<<"\n";
       return ss.str();
     }
@@ -359,6 +405,8 @@ namespace imc
              <<"\",\"comment\":\""<<comment_
              <<"\",\"origin\":\""<<origin_
              <<"\",\"description\":\""<<text_
+             <<"\",\"language-code\":\""<<language_code_
+             <<"\",\"codepage\":\""<<codepage_
              <<"\",\"yname\":\""<<yname_
              <<"\",\"yunit\":\""<<yunit_
              <<"\",\"significantbits\":\""<<signbits_
@@ -371,8 +419,8 @@ namespace imc
                                <<"\",\"comment\":\""<<group_comment_<<"\""<<"}";
       if ( include_data )
       {
-        ss<<",\"ydata\":"<<imc::joinvec<imc::datatype>(ydata_,0)
+        ss<<",\"ydata\":"<<imc::joinvec<imc::datatype>(ydata_,0,9,true)
-          <<",\"xdata\":"<<imc::joinvec<double>(xdata_,0);
+          <<",\"xdata\":"<<imc::joinvec<double>(xdata_,0,xprec_,true);
       }
       // ss<<"\",\"aff. blocks\":\""<<chnenv_.get_json()
       ss<<"}";
@@ -381,7 +429,7 @@ namespace imc
     }
 
     // print channel
-    void print(std::string filename, const char sep = ',', int width = 25)
+    void print(std::string filename, const char sep = ',', int width = 25, int yprec = 9)
     {
       std::ofstream fou(filename);
 
@@ -402,13 +450,16 @@ namespace imc
       {
         if ( sep == ' ' )
         {
-          fou<<std::setprecision(9)<<std::fixed
+          fou<<std::setprecision(xprec_)<<std::fixed
              <<std::setw(width)<<std::left<<xdata_[i]
+             <<std::setprecision(yprec)<<std::fixed
              <<std::setw(width)<<std::left<<ydata_[i]<<"\n";
         }
         else
         {
-          fou<<xdata_[i]<<sep<<ydata_[i]<<"\n";
+          fou<<std::setprecision(xprec_)<<std::fixed<<xdata_[i]
+             <<sep
+             <<std::setprecision(yprec)<<std::fixed<<ydata_[i]<<"\n";
         }
       }
 

lib/imc_key.hpp

@@ -87,7 +87,8 @@ namespace imc
     key(false,"ND","(color) display properties",1),
     key(false,"NU","user defined key",1),
     key(false,"Np","property of channel",1),
-    key(false,"NE","extraction rule for BUS channels",1)
+    key(false,"NE","extraction rule for BUS channels",1),
+    key(false,"NL","language info and code page",1)
 
   };
 

lib/imc_raw.hpp

@@ -217,6 +217,7 @@ namespace imc
         else if ( blk.get_key().name_ == "CS" ) chnenv.CSuuid_ = blk.get_uuid();
         else if ( blk.get_key().name_ == "NT" ) chnenv.NTuuid_ = blk.get_uuid();
         else if ( blk.get_key().name_ == "NO" ) chnenv.NOuuid_ = blk.get_uuid();
+        else if ( blk.get_key().name_ == "NL" ) chnenv.NLuuid_ = blk.get_uuid();
 
         // check for currently associated channel
         if ( !chnenv.CNuuid_.empty() )

pip/setup.py

@@ -6,7 +6,7 @@ with open("README.md", "r", encoding="utf-8") as fh:
 
 setup(
     name="IMCtermite",
-    version="1.2.5",
+    version="1.2.6",
     author="Record Evolution GmbH",
     author_email="mario.fink@record-evolution.de",
     maintainer="Record Evolution GmbH",