Add unit conversion from degrees to radians, address isssue #309

scripts/ccpp_prebuild.py

@@ -378,7 +378,7 @@ def check_optional_arguments(metadata, arguments, optional_arguments):
             # *DH 2020-05-26
             for subroutine_name in optional_arguments[module_name].keys():
                 # If optional arguments are listed individually, check each of them
-                if type(optional_arguments[module_name][subroutine_name]) is list:
+                if isinstance(optional_arguments[module_name][subroutine_name], list):
                     for var_name in optional_arguments[module_name][subroutine_name]:
                         if not var_name in arguments[module_name][scheme_name][subroutine_name]:
                             raise Exception("Explicitly requested optional argument '{}' not known to {}/{}".format(

scripts/conversion_tools/unit_conversion.py

@@ -113,7 +113,35 @@ def kg_kg_minus_1__to__g_kg_minus_1():
 
 def g_kg_minus_1__to__kg_kg_minus_1():
     """Convert gram per kilogram to kilogram per kilogram"""
-    return '{var}/1.0E+3{kind}'
+    return '1.0E-3{kind}*{var}'
+
+##################
+# Plane angle    #
+##################
+
+def radian__to__degrees():
+    """Convert radian to degrees"""
+    return '57.295779513{kind}*{var}'
+
+def degrees__to__radian():
+    """Convert degrees to radian"""
+    return '{var}/57.295779513{kind}'
+
+def radian__to__degrees_north():
+    """Convert radian to degrees north"""
+    return radian__to__degrees()
+
+def degrees_north__to__radian():
+    """Convert degrees north to radian"""
+    return degrees__to__radian()
+
+def radian__to__degrees_east():
+    """Convert radian to degrees east"""
+    return radian__to__degrees()
+
+def degrees_east__to__radian():
+    """Convert degrees east to radian"""
+    return degrees__to__radian()
 
 ##################
 # Composed units #

scripts/mkcap.py

@@ -91,7 +91,7 @@ def dimensions(self):
 
     @dimensions.setter
     def dimensions(self, value):
-        if not type(value) is list:
+        if not isinstance(value, list):
             raise TypeError('Invalid type for variable property dimensions, must be a list')
         self._dimensions = value
 
@@ -170,7 +170,7 @@ def actions(self):
 
     @actions.setter
     def actions(self, values):
-        if type(values)==dict:
+        if isinstance(values, dict):
             for key in values.keys():
                 if key in ['in', 'out'] and isstring(values[key]):
                     self._actions[key] = values[key]