8000 DOC: Add a note on the iso_c2py_map implementation · numpy/numpy@605c627 · GitHub
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DOC: Add a note on the iso_c2py_map implementation
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+38
-31
lines changed

2 files changed

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lines changed

‎numpy/f2py/_isocbind.py

Lines changed: 36 additions & 31 deletions
Original file line numberDiff line numberDiff line change
@@ -83,37 +83,42 @@
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'char': 'c', # char
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}
8585

86-
iso_c2py_map = {
87-
'int': 'int',
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'short int': 'int', # forced casting
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'long': 'int',
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'long long': 'long',
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'signed char': 'int', # forced casting
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'size_t': 'int', # approx Python int
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'int8_t': 'int', # forced casting
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'int16_t': 'int', # forced casting
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'int32_t': 'int',
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'int64_t': 'long',
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'int_least8_t': 'int', # forced casting
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'int_least16_t': 'int', # forced casting
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'int_least32_t': 'int',
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'int_least64_t': 'long',
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'int_fast8_t': 'int', # forced casting
102-
'int_fast16_t': 'int', # forced casting
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'int_fast32_t': 'int',
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'int_fast64_t': 'long',
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'intmax_t': 'long',
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'intptr_t': 'long',
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'ptrdiff_t': 'long',
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'float': 'float',
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'double': 'float', # forced casting
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'long double': 'float', # forced casting
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'float _Complex': 'complex', # forced casting
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'double _Complex': 'complex',
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'long double _Complex': 'complex', # forced casting
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'_Bool': 'bool',
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'char': 'bytes', # approx Python bytes
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}
86+
# TODO: At some point these should be included, but then they'd need special
87+
# handling in cfuncs.py e.g. needs[int64_t_from_pyobj] These are not very hard
88+
# to add, since they all derive from the base `int_from_pyobj`, e.g. the way
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# `short_from_pyobj` and others do
90+
iso_c2py_map = {}
91+
# iso_c2py_map = {
92+
# 'int': 'int',
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# 'short int': 'int', # forced casting
94+
# 'long': 'int',
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# 'long long': 'long',
96+
# 'signed char': 'int', # forced casting
97+
# 'size_t': 'int', # approx Python int
98+
# 'int8_t': 'int', # forced casting
99+
# 'int16_t': 'int', # forced casting
100+
# 'int32_t': 'int',
101+
# 'int64_t': 'long',
102+
# 'int_least8_t': 'int', # forced casting
103+
# 'int_least16_t': 'int', # forced casting
104+
# 'int_least32_t': 'int',
105+
# 'int_least64_t': 'long',
106+
# 'int_fast8_t': 'int', # forced casting
107+
# 'int_fast16_t': 'int', # forced casting
108+
# 'int_fast32_t': 'int',
109+
# 'int_fast64_t': 'long',
110+
# 'intmax_t': 'long',
111+
# 'intptr_t': 'long',
112+
# 'ptrdiff_t': 'long',
113+
# 'float': 'float',
114+
# 'double': 'float', # forced casting
115+
# 'long double': 'float', # forced casting
116+
# 'float _Complex': 'complex', # forced casting
117+
# 'double _Complex': 'complex',
118+
# 'long double _Complex': 'complex', # forced casting
119+
# '_Bool': 'bool',
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# 'char': 'bytes', # approx Python bytes
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# }
117122

118123
isoc_kindmap = {}
119124
for fortran_type, c_type_dict in iso_c_binding_map.items():

‎numpy/f2py/cfuncs.py

Lines c 6FEE hanged: 2 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -822,6 +822,8 @@
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}
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"""
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825+
# TODO: These should be dynamically generated, too many mapped to int things,
826+
# see note in _isocbind.py
825827
needs['char_from_pyobj'] = ['int_from_pyobj']
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cfuncs['char_from_pyobj'] = """
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static int

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