summaryrefslogtreecommitdiff
path: root/numpy/_build_utils/common.py
diff options
context:
space:
mode:
authorEric Wieser <wieser.eric@gmail.com>2018-02-01 00:38:18 -0800
committerEric Wieser <wieser.eric@gmail.com>2018-02-01 00:40:12 -0800
commitedc78e2dcafc20b4d412592d13e70a087ac9a583 (patch)
tree198c8f20e56e4832b65503751455da554f45e030 /numpy/_build_utils/common.py
parentb6975e1588e5d7a3e23c8d440981a0929dd1a97e (diff)
downloadnumpy-edc78e2dcafc20b4d412592d13e70a087ac9a583.tar.gz
MAINT: Delete unused _build_utils/common.py
This file contains outdated copies of the functions in core/setup_common.py
Diffstat (limited to 'numpy/_build_utils/common.py')
-rw-r--r--numpy/_build_utils/common.py138
1 files changed, 0 insertions, 138 deletions
diff --git a/numpy/_build_utils/common.py b/numpy/_build_utils/common.py
deleted file mode 100644
index 8435c462c..000000000
--- a/numpy/_build_utils/common.py
+++ /dev/null
@@ -1,138 +0,0 @@
-from __future__ import division, absolute_import, print_function
-
-import sys
-import copy
-import binascii
-
-LONG_DOUBLE_REPRESENTATION_SRC = r"""
-/* "before" is 16 bytes to ensure there's no padding between it and "x".
- * We're not expecting any "long double" bigger than 16 bytes or with
- * alignment requirements stricter than 16 bytes. */
-typedef %(type)s test_type;
-
-struct {
- char before[16];
- test_type x;
- char after[8];
-} foo = {
- { '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
- '\001', '\043', '\105', '\147', '\211', '\253', '\315', '\357' },
- -123456789.0,
- { '\376', '\334', '\272', '\230', '\166', '\124', '\062', '\020' }
-};
-"""
-
-def pyod(filename):
- """Python implementation of the od UNIX utility (od -b, more exactly).
-
- Parameters
- ----------
- filename : str
- name of the file to get the dump from.
-
- Returns
- -------
- out : seq
- list of lines of od output
-
- Note
- ----
- We only implement enough to get the necessary information for long double
- representation, this is not intended as a compatible replacement for od.
- """
- def _pyod2():
- out = []
-
- fid = open(filename, 'r')
- try:
- yo = [int(oct(int(binascii.b2a_hex(o), 16))) for o in fid.read()]
- for i in range(0, len(yo), 16):
- line = ['%07d' % int(oct(i))]
- line.extend(['%03d' % c for c in yo[i:i+16]])
- out.append(" ".join(line))
- return out
- finally:
- fid.close()
-
- def _pyod3():
- out = []
-
- fid = open(filename, 'rb')
- try:
- yo2 = [oct(o)[2:] for o in fid.read()]
- for i in range(0, len(yo2), 16):
- line = ['%07d' % int(oct(i)[2:])]
- line.extend(['%03d' % int(c) for c in yo2[i:i+16]])
- out.append(" ".join(line))
- return out
- finally:
- fid.close()
-
- if sys.version_info[0] < 3:
- return _pyod2()
- else:
- return _pyod3()
-
-_BEFORE_SEQ = ['000', '000', '000', '000', '000', '000', '000', '000',
- '001', '043', '105', '147', '211', '253', '315', '357']
-_AFTER_SEQ = ['376', '334', '272', '230', '166', '124', '062', '020']
-
-_IEEE_DOUBLE_BE = ['301', '235', '157', '064', '124', '000', '000', '000']
-_IEEE_DOUBLE_LE = _IEEE_DOUBLE_BE[::-1]
-_INTEL_EXTENDED_12B = ['000', '000', '000', '000', '240', '242', '171', '353',
- '031', '300', '000', '000']
-_INTEL_EXTENDED_16B = ['000', '000', '000', '000', '240', '242', '171', '353',
- '031', '300', '000', '000', '000', '000', '000', '000']
-_IEEE_QUAD_PREC_BE = ['300', '031', '326', '363', '105', '100', '000', '000',
- '000', '000', '000', '000', '000', '000', '000', '000']
-_IEEE_QUAD_PREC_LE = _IEEE_QUAD_PREC_BE[::-1]
-_DOUBLE_DOUBLE_BE = ['301', '235', '157', '064', '124', '000', '000', '000'] + \
- ['000'] * 8
-
-def long_double_representation(lines):
- """Given a binary dump as given by GNU od -b, look for long double
- representation."""
-
- # Read contains a list of 32 items, each item is a byte (in octal
- # representation, as a string). We 'slide' over the output until read is of
- # the form before_seq + content + after_sequence, where content is the long double
- # representation:
- # - content is 12 bytes: 80 bits Intel representation
- # - content is 16 bytes: 80 bits Intel representation (64 bits) or quad precision
- # - content is 8 bytes: same as double (not implemented yet)
- read = [''] * 32
- saw = None
- for line in lines:
- # we skip the first word, as od -b output an index at the beginning of
- # each line
- for w in line.split()[1:]:
- read.pop(0)
- read.append(w)
-
- # If the end of read is equal to the after_sequence, read contains
- # the long double
- if read[-8:] == _AFTER_SEQ:
- saw = copy.copy(read)
- if read[:12] == _BEFORE_SEQ[4:]:
- if read[12:-8] == _INTEL_EXTENDED_12B:
- return 'INTEL_EXTENDED_12_BYTES_LE'
- elif read[:8] == _BEFORE_SEQ[8:]:
- if read[8:-8] == _INTEL_EXTENDED_16B:
- return 'INTEL_EXTENDED_16_BYTES_LE'
- elif read[8:-8] == _IEEE_QUAD_PREC_BE:
- return 'IEEE_QUAD_BE'
- elif read[8:-8] == _IEEE_QUAD_PREC_LE:
- return 'IEEE_QUAD_LE'
- elif read[8:-8] == _DOUBLE_DOUBLE_BE:
- return 'DOUBLE_DOUBLE_BE'
- elif read[:16] == _BEFORE_SEQ:
- if read[16:-8] == _IEEE_DOUBLE_LE:
- return 'IEEE_DOUBLE_LE'
- elif read[16:-8] == _IEEE_DOUBLE_BE:
- return 'IEEE_DOUBLE_BE'
-
- if saw is not None:
- raise ValueError("Unrecognized format (%s)" % saw)
- else:
- # We never detected the after_sequence
- raise ValueError("Could not lock sequences (%s)" % saw)