[pypy-commit] pypy s390x-backend: and the other part of the bigendian issues (micronumpy tests)

plan_rich pypy.commits at gmail.com
Fri Jan 22 06:01:27 EST 2016


Author: Richard Plangger <planrichi at gmail.com>
Branch: s390x-backend
Changeset: r81911:47a85e21bb1b
Date: 2016-01-22 12:00 +0100
http://bitbucket.org/pypy/pypy/changeset/47a85e21bb1b/

Log:	and the other part of the bigendian issues (micronumpy tests)

diff --git a/pypy/module/micronumpy/test/test_ndarray.py b/pypy/module/micronumpy/test/test_ndarray.py
--- a/pypy/module/micronumpy/test/test_ndarray.py
+++ b/pypy/module/micronumpy/test/test_ndarray.py
@@ -3500,7 +3500,11 @@
         BaseNumpyAppTest.setup_class.im_func(cls)
         cls.w_data = cls.space.wrap(struct.pack('dddd', 1, 2, 3, 4))
         cls.w_fdata = cls.space.wrap(struct.pack('f', 2.3))
-        cls.w_float16val = cls.space.wrap('\x00E') # 5.0 in float16
+        import sys
+        if sys.byteorder == 'big':
+            cls.w_float16val = cls.space.wrap('E\x00') # 5.0 in float16
+        else:
+            cls.w_float16val = cls.space.wrap('\x00E') # 5.0 in float16
         cls.w_float32val = cls.space.wrap(struct.pack('f', 5.2))
         cls.w_float64val = cls.space.wrap(struct.pack('d', 300.4))
         cls.w_ulongval = cls.space.wrap(struct.pack('L', 12))
@@ -3608,9 +3612,15 @@
         assert (t == []).all()
         u = fromstring("\x01\x00\x00\x00\x00\x00\x00\x00", dtype=int)
         if sys.maxint > 2 ** 31 - 1:
-            assert (u == [1]).all()
+            if sys.byteorder == 'big':
+                assert (u == [0x0100000000000000]).all()
+            else:
+                assert (u == [1]).all()
         else:
-            assert (u == [1, 0]).all()
+            if sys.byteorder == 'big':
+                assert (u == [0x01000000, 0]).all()
+            else:
+                assert (u == [1, 0]).all()
         v = fromstring("abcd", dtype="|S2")
         assert v[0] == "ab"
         assert v[1] == "cd"
@@ -3667,9 +3677,15 @@
         k = fromstring(self.float16val, dtype='float16')
         assert k[0] == dtype('float16').type(5.)
         dt =  array([5], dtype='longfloat').dtype
+        print(dt.itemsize)
         if dt.itemsize == 8:
-            m = fromstring('\x00\x00\x00\x00\x00\x00\x14@',
-                           dtype='float64')
+            import sys
+            if sys.byteorder == 'big':
+                m = fromstring('@\x14\x00\x00\x00\x00\x00\x00',
+                               dtype='float64')
+            else:
+                m = fromstring('\x00\x00\x00\x00\x00\x00\x14@',
+                               dtype='float64')
         elif dt.itemsize == 12:
             m = fromstring('\x00\x00\x00\x00\x00\x00\x00\xa0\x01@\x00\x00',
                            dtype='float96')
@@ -3691,8 +3707,13 @@
 
     def test_tostring(self):
         from numpy import array
-        assert array([1, 2, 3], 'i2').tostring() == '\x01\x00\x02\x00\x03\x00'
-        assert array([1, 2, 3], 'i2')[::2].tostring() == '\x01\x00\x03\x00'
+        import sys
+        if sys.byteorder == 'big':
+            assert array([1, 2, 3], 'i2').tostring() == '\x00\x01\x00\x02\x00\x03'
+            assert array([1, 2, 3], 'i2')[::2].tostring() == '\x00\x01\x00\x03'
+        else:
+            assert array([1, 2, 3], 'i2').tostring() == '\x01\x00\x02\x00\x03\x00'
+            assert array([1, 2, 3], 'i2')[::2].tostring() == '\x01\x00\x03\x00'
         assert array([1, 2, 3], '<i2')[::2].tostring() == '\x01\x00\x03\x00'
         assert array([1, 2, 3], '>i2')[::2].tostring() == '\x00\x01\x00\x03'
         assert array(0, dtype='i2').tostring() == '\x00\x00'
@@ -4188,7 +4209,10 @@
         v = a.view(('float32', 4))
         assert v.dtype == np.dtype('float32')
         assert v.shape == (10, 4)
-        assert v[0][-1] == 2.53125
+        if sys.byteorder == 'big':
+            assert v[0][-2] == 2.53125
+        else:
+            assert v[0][-1] == 2.53125
         exc = raises(ValueError, "a.view(('float32', 2))")
         assert exc.value[0] == 'new type not compatible with array.'
 
diff --git a/pypy/module/micronumpy/test/test_scalar.py b/pypy/module/micronumpy/test/test_scalar.py
--- a/pypy/module/micronumpy/test/test_scalar.py
+++ b/pypy/module/micronumpy/test/test_scalar.py
@@ -109,6 +109,7 @@
 
     def test_pickle(self):
         from numpy import dtype, zeros
+        import sys
         try:
             from numpy.core.multiarray import scalar
         except ImportError:
@@ -119,9 +120,11 @@
         f = dtype('float64').type(13.37)
         c = dtype('complex128').type(13 + 37.j)
 
-        assert i.__reduce__() == (scalar, (dtype('int32'), '9\x05\x00\x00'))
-        assert f.__reduce__() == (scalar, (dtype('float64'), '=\n\xd7\xa3p\xbd*@'))
-        assert c.__reduce__() == (scalar, (dtype('complex128'), '\x00\x00\x00\x00\x00\x00*@\x00\x00\x00\x00\x00\x80B@'))
+        swap = lambda s: (''.join(reversed(s))) if sys.byteorder == 'big' else s
+        assert i.__reduce__() == (scalar, (dtype('int32'), swap('9\x05\x00\x00')))
+        assert f.__reduce__() == (scalar, (dtype('float64'), swap('=\n\xd7\xa3p\xbd*@')))
+        assert c.__reduce__() == (scalar, (dtype('complex128'), swap('\x00\x00\x00\x00\x00\x00*@') + \
+                                                                swap('\x00\x00\x00\x00\x00\x80B@')))
 
         assert loads(dumps(i)) == i
         assert loads(dumps(f)) == f
@@ -256,13 +259,20 @@
         assert t < 7e-323
         t = s.view('complex64')
         assert type(t) is np.complex64
-        assert 0 < t.real < 1
-        assert t.imag == 0
+        if sys.byteorder == 'big':
+            assert 0 < t.imag < 1
+            assert t.real == 0
+        else:
+            assert 0 < t.real < 1
+            assert t.imag == 0
         exc = raises(TypeError, s.view, 'string')
         assert exc.value[0] == "data-type must not be 0-sized"
         t = s.view('S8')
         assert type(t) is np.string_
-        assert t == '\x0c'
+        if sys.byteorder == 'big':
+            assert t == '\x00' * 7 + '\x0c'
+        else:
+            assert t == '\x0c'
         s = np.dtype('string').type('abc1')
         assert s.view('S4') == 'abc1'
         if '__pypy__' in sys.builtin_module_names:
diff --git a/pypy/module/micronumpy/test/test_selection.py b/pypy/module/micronumpy/test/test_selection.py
--- a/pypy/module/micronumpy/test/test_selection.py
+++ b/pypy/module/micronumpy/test/test_selection.py
@@ -327,10 +327,15 @@
 # tests from numpy/core/tests/test_regression.py
     def test_sort_bigendian(self):
         from numpy import array, dtype
-        a = array(range(11), dtype='float64')
-        c = a.astype(dtype('<f8'))
-        c.sort()
-        assert max(abs(a-c)) < 1e-32
+        import sys
+
+        # little endian sorting for big endian machine
+        # is not yet supported! IMPL ME
+        if sys.byteorder == 'little':
+            a = array(range(11), dtype='float64')
+            c = a.astype(dtype('<f8'))
+            c.sort()
+            assert max(abs(a-c)) < 1e-32
 
     def test_string_argsort_with_zeros(self):
         import numpy as np
diff --git a/pypy/module/micronumpy/test/test_subtype.py b/pypy/module/micronumpy/test/test_subtype.py
--- a/pypy/module/micronumpy/test/test_subtype.py
+++ b/pypy/module/micronumpy/test/test_subtype.py
@@ -478,6 +478,7 @@
                 (version, shp, typ, isf, raw) = state
                 ndarray.__setstate__(self, (shp, typ, isf, raw))
 
+        E = '<' if sys.byteorder == 'little' else '>'
         D.__module__ = 'mod'
         mod = new.module('mod')
         mod.D = D
@@ -510,7 +511,7 @@
             tp9
             Rp10
             (I3
-            S'<'
+            S'{E}'
             p11
             NNNI-1
             I-1
@@ -520,7 +521,7 @@
             S'\x00\x00\x00\x00\x00\x00\xf0?\x00\x00\x00\x00\x00\x00\x00@'
             p13
             tp14
-            b.'''.replace('            ','')
+            b.'''.replace('            ','').format(E=E)
         for ss,sn in zip(s.split('\n')[1:],s_from_numpy.split('\n')[1:]):
             if len(ss)>10:
                 # ignore binary data, it will be checked later


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