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import sys
from numpy.testing import *
set_package_path()
import numpy.lib;reload(numpy.lib);reload(numpy.lib.type_check)
from numpy.lib import *
from numpy.core import *
restore_path()
def assert_all(x):
assert(all(x)), x
class TestMintypecode(NumpyTestCase):
def check_default_1(self):
for itype in '1bcsuwil':
assert_equal(mintypecode(itype),'d')
assert_equal(mintypecode('f'),'f')
assert_equal(mintypecode('d'),'d')
assert_equal(mintypecode('F'),'F')
assert_equal(mintypecode('D'),'D')
def check_default_2(self):
for itype in '1bcsuwil':
assert_equal(mintypecode(itype+'f'),'f')
assert_equal(mintypecode(itype+'d'),'d')
assert_equal(mintypecode(itype+'F'),'F')
assert_equal(mintypecode(itype+'D'),'D')
assert_equal(mintypecode('ff'),'f')
assert_equal(mintypecode('fd'),'d')
assert_equal(mintypecode('fF'),'F')
assert_equal(mintypecode('fD'),'D')
assert_equal(mintypecode('df'),'d')
assert_equal(mintypecode('dd'),'d')
#assert_equal(mintypecode('dF',savespace=1),'F')
assert_equal(mintypecode('dF'),'D')
assert_equal(mintypecode('dD'),'D')
assert_equal(mintypecode('Ff'),'F')
#assert_equal(mintypecode('Fd',savespace=1),'F')
assert_equal(mintypecode('Fd'),'D')
assert_equal(mintypecode('FF'),'F')
assert_equal(mintypecode('FD'),'D')
assert_equal(mintypecode('Df'),'D')
assert_equal(mintypecode('Dd'),'D')
assert_equal(mintypecode('DF'),'D')
assert_equal(mintypecode('DD'),'D')
def check_default_3(self):
assert_equal(mintypecode('fdF'),'D')
#assert_equal(mintypecode('fdF',savespace=1),'F')
assert_equal(mintypecode('fdD'),'D')
assert_equal(mintypecode('fFD'),'D')
assert_equal(mintypecode('dFD'),'D')
assert_equal(mintypecode('ifd'),'d')
assert_equal(mintypecode('ifF'),'F')
assert_equal(mintypecode('ifD'),'D')
assert_equal(mintypecode('idF'),'D')
#assert_equal(mintypecode('idF',savespace=1),'F')
assert_equal(mintypecode('idD'),'D')
class TestIsscalar(NumpyTestCase):
def check_basic(self):
assert(isscalar(3))
assert(not isscalar([3]))
assert(not isscalar((3,)))
assert(isscalar(3j))
assert(isscalar(10L))
assert(isscalar(4.0))
class TestReal(NumpyTestCase):
def check_real(self):
y = rand(10,)
assert_array_equal(y,real(y))
def check_cmplx(self):
y = rand(10,)+1j*rand(10,)
assert_array_equal(y.real,real(y))
class TestImag(NumpyTestCase):
def check_real(self):
y = rand(10,)
assert_array_equal(0,imag(y))
def check_cmplx(self):
y = rand(10,)+1j*rand(10,)
assert_array_equal(y.imag,imag(y))
class TestIscomplex(NumpyTestCase):
def check_fail(self):
z = array([-1,0,1])
res = iscomplex(z)
assert(not sometrue(res,axis=0))
def check_pass(self):
z = array([-1j,1,0])
res = iscomplex(z)
assert_array_equal(res,[1,0,0])
class TestIsreal(NumpyTestCase):
def check_pass(self):
z = array([-1,0,1j])
res = isreal(z)
assert_array_equal(res,[1,1,0])
def check_fail(self):
z = array([-1j,1,0])
res = isreal(z)
assert_array_equal(res,[0,1,1])
class TestIscomplexobj(NumpyTestCase):
def check_basic(self):
z = array([-1,0,1])
assert(not iscomplexobj(z))
z = array([-1j,0,-1])
assert(iscomplexobj(z))
class TestIsrealobj(NumpyTestCase):
def check_basic(self):
z = array([-1,0,1])
assert(isrealobj(z))
z = array([-1j,0,-1])
assert(not isrealobj(z))
class TestIsnan(NumpyTestCase):
def check_goodvalues(self):
z = array((-1.,0.,1.))
res = isnan(z) == 0
assert_all(alltrue(res,axis=0))
def check_posinf(self):
olderr = seterr(divide='ignore')
assert_all(isnan(array((1.,))/0.) == 0)
seterr(**olderr)
def check_neginf(self):
olderr = seterr(divide='ignore')
assert_all(isnan(array((-1.,))/0.) == 0)
seterr(**olderr)
def check_ind(self):
olderr = seterr(divide='ignore', invalid='ignore')
assert_all(isnan(array((0.,))/0.) == 1)
seterr(**olderr)
#def check_qnan(self): log(-1) return pi*j now
# assert_all(isnan(log(-1.)) == 1)
def check_integer(self):
assert_all(isnan(1) == 0)
def check_complex(self):
assert_all(isnan(1+1j) == 0)
def check_complex1(self):
olderr = seterr(divide='ignore', invalid='ignore')
assert_all(isnan(array(0+0j)/0.) == 1)
seterr(**olderr)
class TestIsfinite(NumpyTestCase):
def check_goodvalues(self):
z = array((-1.,0.,1.))
res = isfinite(z) == 1
assert_all(alltrue(res,axis=0))
def check_posinf(self):
olderr = seterr(divide='ignore')
assert_all(isfinite(array((1.,))/0.) == 0)
seterr(**olderr)
def check_neginf(self):
olderr = seterr(divide='ignore')
assert_all(isfinite(array((-1.,))/0.) == 0)
seterr(**olderr)
def check_ind(self):
olderr = seterr(divide='ignore', invalid='ignore')
assert_all(isfinite(array((0.,))/0.) == 0)
seterr(**olderr)
#def check_qnan(self):
# assert_all(isfinite(log(-1.)) == 0)
def check_integer(self):
assert_all(isfinite(1) == 1)
def check_complex(self):
assert_all(isfinite(1+1j) == 1)
def check_complex1(self):
olderr = seterr(divide='ignore', invalid='ignore')
assert_all(isfinite(array(1+1j)/0.) == 0)
seterr(**olderr)
class TestIsinf(NumpyTestCase):
def check_goodvalues(self):
z = array((-1.,0.,1.))
res = isinf(z) == 0
assert_all(alltrue(res,axis=0))
def check_posinf(self):
olderr = seterr(divide='ignore')
assert_all(isinf(array((1.,))/0.) == 1)
seterr(**olderr)
def check_posinf_scalar(self):
olderr = seterr(divide='ignore')
assert_all(isinf(array(1.,)/0.) == 1)
seterr(**olderr)
def check_neginf(self):
olderr = seterr(divide='ignore')
assert_all(isinf(array((-1.,))/0.) == 1)
seterr(**olderr)
def check_neginf_scalar(self):
olderr = seterr(divide='ignore')
assert_all(isinf(array(-1.)/0.) == 1)
seterr(**olderr)
def check_ind(self):
olderr = seterr(divide='ignore', invalid='ignore')
assert_all(isinf(array((0.,))/0.) == 0)
seterr(**olderr)
#def check_qnan(self):
# assert_all(isinf(log(-1.)) == 0)
# assert_all(isnan(log(-1.)) == 1)
class TestIsposinf(NumpyTestCase):
def check_generic(self):
olderr = seterr(divide='ignore', invalid='ignore')
vals = isposinf(array((-1.,0,1))/0.)
seterr(**olderr)
assert(vals[0] == 0)
assert(vals[1] == 0)
assert(vals[2] == 1)
class TestIsneginf(NumpyTestCase):
def check_generic(self):
olderr = seterr(divide='ignore', invalid='ignore')
vals = isneginf(array((-1.,0,1))/0.)
seterr(**olderr)
assert(vals[0] == 1)
assert(vals[1] == 0)
assert(vals[2] == 0)
class TestNanToNum(NumpyTestCase):
def check_generic(self):
olderr = seterr(divide='ignore', invalid='ignore')
vals = nan_to_num(array((-1.,0,1))/0.)
seterr(**olderr)
assert_all(vals[0] < -1e10) and assert_all(isfinite(vals[0]))
assert(vals[1] == 0)
assert_all(vals[2] > 1e10) and assert_all(isfinite(vals[2]))
def check_integer(self):
vals = nan_to_num(1)
assert_all(vals == 1)
def check_complex_good(self):
vals = nan_to_num(1+1j)
assert_all(vals == 1+1j)
def check_complex_bad(self):
v = 1+1j
olderr = seterr(divide='ignore', invalid='ignore')
v += array(0+1.j)/0.
seterr(**olderr)
vals = nan_to_num(v)
# !! This is actually (unexpectedly) zero
assert_all(isfinite(vals))
def check_complex_bad2(self):
v = 1+1j
olderr = seterr(divide='ignore', invalid='ignore')
v += array(-1+1.j)/0.
seterr(**olderr)
vals = nan_to_num(v)
assert_all(isfinite(vals))
#assert_all(vals.imag > 1e10) and assert_all(isfinite(vals))
# !! This is actually (unexpectedly) positive
# !! inf. Comment out for now, and see if it
# !! changes
#assert_all(vals.real < -1e10) and assert_all(isfinite(vals))
class TestRealIfClose(NumpyTestCase):
def check_basic(self):
a = rand(10)
b = real_if_close(a+1e-15j)
assert_all(isrealobj(b))
assert_array_equal(a,b)
b = real_if_close(a+1e-7j)
assert_all(iscomplexobj(b))
b = real_if_close(a+1e-7j,tol=1e-6)
assert_all(isrealobj(b))
class TestArrayConversion(NumpyTestCase):
def check_asfarray(self):
a = asfarray(array([1,2,3]))
assert_equal(a.__class__,ndarray)
assert issubdtype(a.dtype,float)
if __name__ == "__main__":
NumpyTest().run()
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