summaryrefslogtreecommitdiff
path: root/gnuradio-core/src/python/gnuradio/eng_notation.py
diff options
context:
space:
mode:
Diffstat (limited to 'gnuradio-core/src/python/gnuradio/eng_notation.py')
-rw-r--r--gnuradio-core/src/python/gnuradio/eng_notation.py74
1 files changed, 0 insertions, 74 deletions
diff --git a/gnuradio-core/src/python/gnuradio/eng_notation.py b/gnuradio-core/src/python/gnuradio/eng_notation.py
deleted file mode 100644
index d23f9005f0..0000000000
--- a/gnuradio-core/src/python/gnuradio/eng_notation.py
+++ /dev/null
@@ -1,74 +0,0 @@
-#
-# Copyright 2003 Free Software Foundation, Inc.
-#
-# This file is part of GNU Radio
-#
-# GNU Radio 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, or (at your option)
-# any later version.
-#
-# GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
-#
-"""
-Display numbers as strings using engineering notation.
-"""
-
-scale_factor = {}
-scale_factor['E'] = 1e18
-scale_factor['P'] = 1e15
-scale_factor['T'] = 1e12
-scale_factor['G'] = 1e9
-scale_factor['M'] = 1e6
-scale_factor['k'] = 1e3
-scale_factor['m'] = 1e-3
-scale_factor['u'] = 1e-6
-scale_factor['n'] = 1e-9
-scale_factor['p'] = 1e-12
-scale_factor['f'] = 1e-15
-scale_factor['a'] = 1e-18
-
-def num_to_str (n):
- '''Convert a number to a string in engineering notation. E.g., 5e-9 -> 5n'''
- m = abs(n)
- if m >= 1e9:
- return "%gG" % (n * 1e-9)
- elif m >= 1e6:
- return "%gM" % (n * 1e-6)
- elif m >= 1e3:
- return "%gk" % (n * 1e-3)
- elif m >= 1:
- return "%g" % (n)
- elif m >= 1e-3:
- return "%gm" % (n * 1e3)
- elif m >= 1e-6:
- return "%gu" % (n * 1e6) # where's that mu when you need it (unicode?)
- elif m >= 1e-9:
- return "%gn" % (n * 1e9)
- elif m >= 1e-12:
- return "%gp" % (n * 1e12)
- elif m >= 1e-15:
- return "%gf" % (n * 1e15)
- else:
- return "%g" % (n)
-
-
-def str_to_num (value):
- '''Convert a string in engineering notation to a number. E.g., '15m' -> 15e-3'''
- try:
- scale = 1.0
- suffix = value[-1]
- if scale_factor.has_key (suffix):
- return float (value[0:-1]) * scale_factor[suffix]
- return float (value)
- except:
- raise RuntimeError (
- "Invalid engineering notation value: %r" % (value,))