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Added class to read in .mpr files

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The class currently just reads the main data section and does not
process any of the headers or log information.
This commit is contained in:
Chris Kerr
2013-11-30 20:08:08 +00:00
parent d909305b74
commit 1f9c9653c5
3 changed files with 128 additions and 3 deletions
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52
tests/test_BioLogic.py
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@@ -2,9 +2,12 @@
import os.path
import numpy as np
from numpy.testing import assert_array_almost_equal, assert_array_equal
from nose.tools import ok_, eq_, raises
from ..BioLogic import MPTfile, MPTfileCSV
from ..import MPTfile, MPRfile
from ..BioLogic import MPTfileCSV # not exported
testdata_dir = os.path.join(os.path.dirname(__file__), 'testdata')
@@ -35,3 +38,50 @@ def test_open_MPT_csv():
@raises(ValueError)
def test_open_MPT_csv_fails_for_bad_file():
mpt1 = MPTfileCSV(os.path.join(testdata_dir, 'bio-logic1.mpr'))
def test_open_MPR():
mpr1 = MPRfile(os.path.join(testdata_dir, 'bio-logic1.mpr'))
@raises(ValueError)
def test_open_MPR_fails_for_bad_file():
mpr1 = MPRfile(os.path.join(testdata_dir, 'arbin1.res'))
def test_MPR_matches_MPT():
mpr1 = MPRfile(os.path.join(testdata_dir, 'bio-logic1.mpr'))
mpt1, comments = MPTfile(os.path.join(testdata_dir, 'bio-logic1.mpt'))
assert_array_equal(mpr1.data["flags"] & 0x03, mpt1["mode"])
assert_array_equal(np.array(mpr1.data["flags"] & 0x04, dtype=np.bool_),
mpt1["ox/red"])
assert_array_equal(np.array(mpr1.data["flags"] & 0x08, dtype=np.bool_),
mpt1["error"])
assert_array_equal(np.array(mpr1.data["flags"] & 0x10, dtype=np.bool_),
mpt1["control changes"])
assert_array_equal(np.array(mpr1.data["flags"] & 0x20, dtype=np.bool_),
mpt1["Ns changes"])
## Nothing uses the 0x40 bit of the flags
assert_array_equal(np.array(mpr1.data["flags"] & 0x80, dtype=np.bool_),
mpt1["counter inc."])
assert_array_almost_equal(mpr1.data["time/s"],
mpt1["time/s"],
decimal=5) # 5 digits in CSV
assert_array_almost_equal(mpr1.data["control/V/mA"],
mpt1["control/V/mA"],
decimal=6) # 32 bit float precision
assert_array_almost_equal(mpr1.data["Ewe/V"],
mpt1["Ewe/V"],
decimal=6) # 32 bit float precision
assert_array_almost_equal(mpr1.data["dQ/mA.h"],
mpt1["dQ/mA.h"],
decimal=17) # 64 bit float precision
assert_array_almost_equal(mpr1.data["P/W"],
mpt1["P/W"],
decimal=10) # 32 bit float precision for 1.xxE-5