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| author | Michael Jones <michaelrj@google.com> | 2021-09-01 23:51:05 +0000 |
|---|---|---|
| committer | Michael Jones <michaelrj@google.com> | 2021-10-18 16:10:03 -0700 |
| commit | 87c016078ad72c46505461e4ff8bfa04819fe7ba (patch) | |
| tree | 91521ff2bbe9ef913e20e0636ee8e7f0d96861f5 /lldb/source/Plugins/ScriptInterpreter/Python/PythonDataObjects.h | |
| parent | 684b6265b31cabf422b01cd8937a3641c6df914f (diff) | |
| download | llvm-87c016078ad72c46505461e4ff8bfa04819fe7ba.zip llvm-87c016078ad72c46505461e4ff8bfa04819fe7ba.tar.gz llvm-87c016078ad72c46505461e4ff8bfa04819fe7ba.tar.bz2 | |
[libc] add atof, strtof and strtod
Add the string to floating point conversion functions.
Long doubles aren't supported yet, but floats and doubles are. The
primary algorithm used is the Eisel-Lemire ParseNumberF64 algorithm,
with the Simple Decimal Conversion algorithm as backup.
Links for more information on the algorithms:
Number Parsing at a Gigabyte per Second, Software: Practice and
Experience 51 (8), 2021 (https://arxiv.org/abs/2101.11408)
https://nigeltao.github.io/blog/2020/eisel-lemire.html
https://nigeltao.github.io/blog/2020/parse-number-f64-simple.html
Differential Revision: https://reviews.llvm.org/D109261
Diffstat (limited to 'lldb/source/Plugins/ScriptInterpreter/Python/PythonDataObjects.h')
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