/usr/lib/python3/dist-packages/rpy2/rinterface/tests/test_SexpVectorNumeric.py is in python3-rpy2 2.8.5-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 | import unittest
import itertools
import rpy2.rinterface as rinterface
try:
import numpy
has_numpy = True
except ImportError:
has_numpy = False
def only_numpy(function):
def res(self):
if has_numpy:
return function(self)
else:
return None
rinterface.initr()
def floatEqual(x, y, epsilon = 0.00000001):
return abs(x - y) < epsilon
def testArrayStructInt(self, numericModule):
px = [1, -2, 3]
x = rinterface.SexpVector(px, rinterface.INTSXP)
nx = numericModule.asarray(x)
self.assertEqual(nx.dtype.kind, 'i')
for orig, new in zip(px, nx):
self.assertEqual(orig, new)
# change value in the Python array... makes it change in the R vector
nx[1] = 12
self.assertEqual(x[1], 12)
def testArrayStructDouble(self, numericModule):
px = [1.0, -2.0, 3.0]
x = rinterface.SexpVector(px, rinterface.REALSXP)
nx = numericModule.asarray(x)
self.assertEqual(nx.dtype.kind, 'f')
for orig, new in itertools.izip(px, nx):
self.assertEqual(orig, new)
# change value in the Python array... makes it change in the R vector
nx[1] = 333.2
self.assertEqual(x[1], 333.2)
def testArrayStructComplex(self, numericModule):
px = [1+2j, 2+5j, -1+0j]
x = rinterface.SexpVector(px, rinterface.CPLXSXP)
nx = numericModule.asarray(x)
self.assertEqual(nx.dtype.kind, 'c')
for orig, new in itertools.izip(px, nx):
self.assertEqual(orig, new)
def testArrayStructBoolean(self, numericModule):
px = [True, False, True]
x = rinterface.SexpVector(px, rinterface.LGLSXP)
nx = numericModule.asarray(x)
self.assertEqual('i', nx.dtype.kind) # not 'b', see comments in array.c
for orig, new in itertools.izip(px, nx):
self.assertEqual(orig, new)
class SexpVectorNumericTestCase(unittest.TestCase):
@only_numpy
def testArrayStructNumpyInt(self):
testArrayStructInt(self, numpy)
@only_numpy
def testArrayStructNumpyDouble(self):
testArrayStructDouble(self, numpy)
@only_numpy
def testArrayStructNumpyComplex(self):
testArrayStructComplex(self, numpy)
@only_numpy
def testArrayStructNumpyBoolean(self):
testArrayStructBoolean(self, numpy)
@only_numpy
def testArrayShapeLen3(self):
extract = rinterface.baseenv['[']
rarray = rinterface.baseenv['array'](rinterface.IntSexpVector(range(30)),
dim = rinterface.IntSexpVector([5,2,3]))
npyarray = numpy.array(rarray)
for i in range(5):
for j in range(2):
for k in range(3):
self.assertEqual(extract(rarray, i+1, j+1, k+1)[0],
npyarray[i, j, k])
def suite():
suite = unittest.TestLoader().loadTestsFromTestCase(SexpVectorNumericTestCase)
return suite
if __name__ == '__main__':
tr = unittest.TextTestRunner(verbosity = 2)
tr.run(suite())
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