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README.txtD12-May-20241.2 KiB4724

_decimal.cD12-May-2024171.3 KiB5,9314,764

docstrings.hD12-May-202428.4 KiB885726

README.txt

1 
2 
3 About
4 =====
5 
6 _decimal.c is a wrapper for the libmpdec library. libmpdec is a fast C
7 library for correctly-rounded arbitrary precision decimal floating point
8 arithmetic. It is a complete implementation of Mike Cowlishaw/IBM's
9 General Decimal Arithmetic Specification.
10 
11 
12 Build process for the module
13 ============================
14 
15 As usual, the build process for _decimal.so is driven by setup.py in the top
16 level directory. setup.py autodetects the following build configurations:
17 
18    1) x64         - 64-bit Python, x86_64 processor (AMD, Intel)
19 
20    2) uint128     - 64-bit Python, compiler provides __uint128_t (gcc)
21 
22    3) ansi64      - 64-bit Python, ANSI C
23 
24    4) ppro        - 32-bit Python, x86 CPU, PentiumPro or later
25 
26    5) ansi32      - 32-bit Python, ANSI C
27 
28    6) ansi-legacy - 32-bit Python, compiler without uint64_t
29 
30    7) universal   - Mac OS only (multi-arch)
31 
32 
33 It is possible to override autodetection by exporting:
34 
35    PYTHON_DECIMAL_WITH_MACHINE=value, where value is one of the above options.
36 
37 
38 NOTE
39 ====
40 
41 decimal.so is not built from a static libmpdec.a since doing so led to
42 failures on AIX (user report) and Windows (mixing static and dynamic CRTs
43 causes locale problems and more).
44 
45 
46 
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