Added default constructors to from_physical and to_physical. Added

missing const qualifier to hardcal_converter and softcal_converter
methods.

diff --git a/c++/include/comedilib.hpp b/c++/include/comedilib.hpp
index e56778796f597abe4ab5f99d75869743f94dc5ae..b3fb775ee1d4dd1721d59c010e450ed457450605 100644 (file)
--- a/c++/include/comedilib.hpp
+++ b/c++/include/comedilib.hpp
@@ -22,6 +22,7 @@
 
 #include <boost/shared_ptr.hpp>
 #include <comedilib.h>
+#include <cstring>
 #include <iostream>
 #include <sstream>
 #include <stdexcept>
@@ -36,6 +37,10 @@ namespace comedi
        class to_physical
        {
        public:
+               to_physical()
+               {
+                       memset(&_polynomial, 0, sizeof(_polynomial));
+               }
                to_physical(const comedi_polynomial_t &polynomial):
                        _polynomial(polynomial)
                {}
@@ -51,6 +56,10 @@ namespace comedi
        class from_physical
        {
        public:
+               from_physical()
+               {
+                       memset(&_polynomial, 0, sizeof(_polynomial));
+               }
                from_physical(const comedi_polynomial_t &polynomial):
                        _polynomial(polynomial)
                {}
@@ -383,7 +392,7 @@ namespace comedi
                        return retval;
                }
                comedi_polynomial_t hardcal_converter(unsigned channel, unsigned range,
-                       enum comedi_conversion_direction direction)
+                       enum comedi_conversion_direction direction) const
                {
                        comedi_polynomial_t result;
                        int retval = comedi_get_hardcal_converter(comedi_handle(), index(),
@@ -486,7 +495,7 @@ namespace comedi
                        }
                }
                comedi_polynomial_t softcal_converter(unsigned channel, unsigned range,
-                       enum comedi_conversion_direction direction, const calibration &cal)
+                       enum comedi_conversion_direction direction, const calibration &cal) const
                {
                        if(cal.c_calibration() == 0) throw std::invalid_argument(__PRETTY_FUNCTION__);
                        comedi_polynomial_t result;