Author: michaelbieri
Date: Wed May 19 01:52:06 2010
New Revision: 11192
URL: http://svn.gna.org/viewcvs/relax?rev=11192&view=rev
Log:
Function to convert a float written in a string to a proper float object is
added.
Modified:
branches/bieri_gui/gui_bieri/components/conversion.py
Modified: branches/bieri_gui/gui_bieri/components/conversion.py
URL:
http://svn.gna.org/viewcvs/relax/branches/bieri_gui/gui_bieri/components/conversion.py?rev=11192&r1=11191&r2=11192&view=diff
==============================================================================
--- branches/bieri_gui/gui_bieri/components/conversion.py (original)
+++ branches/bieri_gui/gui_bieri/components/conversion.py Wed May 19
01:52:06 2010
@@ -1,0 +1,54 @@
+###############################################################################
+#
#
+# Copyright (C) 2010 Michael Bieri
#
+#
#
+# This file is part of the program relax.
#
+#
#
+# relax 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 2 of the License, or
#
+# (at your option) any later version.
#
+#
#
+# relax 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 relax; if not, write to the Free Software
#
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA #
+#
#
+###############################################################################
+
+# Package docstring.
+"""Package for the different conversion tools used to bring together the
GUI and API of relax."""
+
+from string import replace, strip, split
+
+
+def str_to_float(string):
+ """Function to convert a float in a string object to a real float
object.
+
+ such as: "3.5 * 1e6" to 3.5*1e6
+
+
+ @keyword string Float in string that will be converted to float
object.
+ @type string str
+ """
+
+ # Delete whitespace.
+ string = replace(string, ' ','')
+
+ # Strip string.
+ values = split(string, '*')
+
+ # Detect exponent.
+ if '1e' in values[1]:
+ exponent = float(replace(values[1], '1e', ''))
+ if '10^' in values[1]:
+ exponent = float(replace(values[1], '10^', ''))
+
+ # Calculate float.
+ float_obj = float(values[0]) * 10**exponent
+
+ return float_obj
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