Added GPLv3 declarations to source code and licence text

atom_unit.py

@@ -1,9 +1,27 @@
 # -*- coding: utf-8 -*-
 # atom_unit.py
-
-# Christian Hill, 29/3/13
+# A class for, and attributes used in the parsing of a single "atom unit"
+# identified by a base unit, SI-prefix and exponent, such as 'kg', 's-1',
+# 'nm3', 'GHz'.
+#
+# Copyright (C) 2012 Christian Hill
 # Department of Physics and Astronomy, University College London
 # [email protected]
+#
+# This file is part of PyQn
+#
+# PyQn is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# PyQn is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with PyQn.  If not, see <http://www.gnu.org/licenses/>
 
 import sys
 from pyparsing import Word, Group, Literal, Suppress, ParseException, oneOf,\

base_unit.py

@@ -1,10 +1,26 @@
 # -*- coding: utf-8 -*-
-
-# Christian Hill
-# v0.2 21/11/2012
-# v0.1 28/11/2011
+# base_unit.py
+# A class representing a "base unit", identified as a single unit with no
+# prefix or exponent, such as 'g', 'hr', 'bar', 's'.
+#
+# Copyright (C) 2012 Christian Hill
+# Department of Physics and Astronomy, University College London
+# [email protected]
+#
+# This file is part of PyQn
+#
+# PyQn is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# PyQn is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
 #
-# The BaseUnit class, representing a "base" unit to a physical quantity.
+# You should have received a copy of the GNU General Public License
+# along with PyQn.  If not, see <http://www.gnu.org/licenses/>
 
 from dimensions import *
 

dimensions.py

@@ -1,10 +1,27 @@
 # -*- coding: utf-8 -*-
-
-# Christian Hill
-# v0.2 21/11/2012
-# v0.1 28/11/2011
+# dimensions.py
+# A class representing the dimensions of a physical quantity's units, in
+# terms of powers of length (L), mass (M), time (T), temperature (Theta),
+# amount of substance (Q), current (C) and luminous intensity (I).
+#
+# Copyright (C) 2012 Christian Hill
+# Department of Physics and Astronomy, University College London
+# [email protected]
+#
+# This file is part of PyQn
+#
+# PyQn is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# PyQn is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
 #
-# The Dimensions class, representing the dimensions of a physical quantity.
+# You should have received a copy of the GNU General Public License
+# along with PyQn.  If not, see <http://www.gnu.org/licenses/>
 
 class Dimensions(object):
     # these are the abbreviations for Length, Mass, Time, Temperature,

quantity.py

@@ -1,9 +1,25 @@
 # -*- coding: utf-8 -*-
 # quantity.py
-
-# Christian Hill, 29/3/13
+# A class representing physical quantity, with name, units and uncertainty.
+#
+# Copyright (C) 2012 Christian Hill
 # Department of Physics and Astronomy, University College London
 # [email protected]
+#
+# This file is part of PyQn
+#
+# PyQn is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# PyQn is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with PyQn.  If not, see <http://www.gnu.org/licenses/>
 
 import re
 import math

si.py

@@ -1,11 +1,27 @@
 # -*- coding: utf-8 -*-
-
-# Christian Hill
-# v0.2 21/11/2012
-# v0.1 28/11/2011
+# si.py
+# A class representing the SI prefixes (SIPrefix) and a list of the SI
+# base units (si_unit_stems): length (L), mass (M), time (T), temperature
+# (Theta), amount of substance (Q), current (C) and luminous intensity (I).
 #
-# Metadata relating to SI units and their prefixes
-
+# Copyright (C) 2012 Christian Hill
+# Department of Physics and Astronomy, University College London
+# [email protected]
+#
+# This file is part of PyQn
+#
+# PyQn is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# PyQn is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with PyQn.  If not, see <http://www.gnu.org/licenses/>
 
 class SIPrefix(object):
     """ A little class describing SI prefixes. """

symbol.py

@@ -1,9 +1,26 @@
 # -*- coding: utf-8 -*-
 # symbol.py
-
-# Christian Hill, 29/3/13
+# A class representing a symbol (perhaps the label for a physical quantity
+# represented as a Quantity object) with a name in text,  LaTeX and HTML.
+#
+# Copyright (C) 2012 Christian Hill
 # Department of Physics and Astronomy, University College London
 # [email protected]
+#
+# This file is part of PyQn
+#
+# PyQn is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# PyQn is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with PyQn.  If not, see <http://www.gnu.org/licenses/>
 
 class Symbol(object):
     """

units.py

@@ -1,9 +1,25 @@
 # -*- coding: utf-8 -*-
 # units.py
-
-# Christian Hill, 29/3/13
+# A class representing the units of a physical quantity.
+#
+# Copyright (C) 2012 Christian Hill
 # Department of Physics and Astronomy, University College London
 # [email protected]
+#
+# This file is part of PyQn
+#
+# PyQn is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# PyQn is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with PyQn.  If not, see <http://www.gnu.org/licenses/>
 
 import copy
 from dimensions import Dimensions