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<title>suspect-devices/circuitpython/py/objfloat.c, branch v1.5.1</title>
<subtitle>CircuitPython - a Python implementation for teaching coding with microcontrollers</subtitle>
<id>https://git.suspectdevices.com/suspect-devices/circuitpython/atom?h=v1.5.1</id>
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<updated>2015-10-20T11:38:54+00:00</updated>
<entry>
<title>py: Add object repr "C", where 30-bit floats are stuffed in obj word.</title>
<updated>2015-10-20T11:38:54+00:00</updated>
<author>
<name>Damien George</name>
<email>damien.p.george@gmail.com</email>
</author>
<published>2015-10-17T22:20:57+00:00</published>
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<id>urn:sha1:183edefddd8c08dd989fa7bec2d33d8b4130e1dc</id>
<content type='text'>
This new object representation puts floats into the object word instead
of on the heap, at the expense of reducing their precision to 30 bits.
It only makes sense when the word size is 32-bits.
</content>
</entry>
<entry>
<title>py: Make float representation configurable with object representation.</title>
<updated>2015-10-20T11:35:40+00:00</updated>
<author>
<name>Damien George</name>
<email>damien.p.george@gmail.com</email>
</author>
<published>2015-10-17T21:57:34+00:00</published>
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<id>urn:sha1:aedb8591778a8dc4097eb4ffd2891dd5730efdde</id>
<content type='text'>
</content>
</entry>
<entry>
<title>py: Move float e/pi consts to objfloat and make mp_obj_float_t private.</title>
<updated>2015-10-20T11:35:17+00:00</updated>
<author>
<name>Damien George</name>
<email>damien.p.george@gmail.com</email>
</author>
<published>2015-08-20T22:42:35+00:00</published>
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<id>urn:sha1:7e359c648b1f92e709c5ff4b7089011967ebb9f5</id>
<content type='text'>
</content>
</entry>
<entry>
<title>py: Add mp_obj_is_float function (macro) and use it where appropriate.</title>
<updated>2015-10-20T11:35:17+00:00</updated>
<author>
<name>Damien George</name>
<email>damien.p.george@gmail.com</email>
</author>
<published>2015-08-20T22:30:12+00:00</published>
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<id>urn:sha1:aaef1851a748af95f8b105ef2d1d4f35e6ede02b</id>
<content type='text'>
</content>
</entry>
<entry>
<title>py: Rename MP_BOOL() to mp_obj_new_bool() for consistency in naming.</title>
<updated>2015-10-11T12:18:15+00:00</updated>
<author>
<name>Paul Sokolovsky</name>
<email>pfalcon@users.sourceforge.net</email>
</author>
<published>2015-10-11T09:09:43+00:00</published>
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<id>urn:sha1:1b586f3a734c27c78080fb2173bbde17168cb9e4</id>
<content type='text'>
</content>
</entry>
<entry>
<title>py: Add MP_BINARY_OP_DIVMOD to simplify and consolidate divmod builtin.</title>
<updated>2015-06-13T22:36:30+00:00</updated>
<author>
<name>Damien George</name>
<email>damien.p.george@gmail.com</email>
</author>
<published>2015-06-13T21:00:10+00:00</published>
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<id>urn:sha1:c5029bcbf37fd1a3fb145d9fa9e4a5094478f17b</id>
<content type='text'>
</content>
</entry>
<entry>
<title>py: Implement mp_format_float for doubles and use where appropriate</title>
<updated>2015-05-17T20:47:11+00:00</updated>
<author>
<name>stijn</name>
<email>stinos@zoho.com</email>
</author>
<published>2015-05-16T08:54:19+00:00</published>
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<id>urn:sha1:861670ba2ad6fe575de4a31c95c01070ed900391</id>
<content type='text'>
This allows using (almost) the same code for printing floats everywhere,
removes the dependency on sprintf and uses just snprintf and
applies an msvc-specific fix for snprintf in a single place so
nan/inf are now printed correctly.
</content>
</entry>
<entry>
<title>py: Fix printing of "inf" and "nan" floating point values.</title>
<updated>2015-04-22T15:51:29+00:00</updated>
<author>
<name>Damien George</name>
<email>damien.p.george@gmail.com</email>
</author>
<published>2015-04-22T15:51:29+00:00</published>
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<id>urn:sha1:956d76578634a86ea50246de45add748b96cb4ec</id>
<content type='text'>
</content>
</entry>
<entry>
<title>py: Overhaul and simplify printf/pfenv mechanism.</title>
<updated>2015-04-16T14:30:16+00:00</updated>
<author>
<name>Damien George</name>
<email>damien.p.george@gmail.com</email>
</author>
<published>2015-04-09T22:56:15+00:00</published>
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<id>urn:sha1:7f9d1d6ab923096582622b700bedb6a571518eac</id>
<content type='text'>
Previous to this patch the printing mechanism was a bit of a tangled
mess.  This patch attempts to consolidate printing into one interface.

All (non-debug) printing now uses the mp_print* family of functions,
mainly mp_printf.  All these functions take an mp_print_t structure as
their first argument, and this structure defines the printing backend
through the "print_strn" function of said structure.

Printing from the uPy core can reach the platform-defined print code via
two paths: either through mp_sys_stdout_obj (defined pert port) in
conjunction with mp_stream_write; or through the mp_plat_print structure
which uses the MP_PLAT_PRINT_STRN macro to define how string are printed
on the platform.  The former is only used when MICROPY_PY_IO is defined.

With this new scheme printing is generally more efficient (less layers
to go through, less arguments to pass), and, given an mp_print_t*
structure, one can call mp_print_str for efficiency instead of
mp_printf("%s", ...).  Code size is also reduced by around 200 bytes on
Thumb2 archs.
</content>
</entry>
<entry>
<title>py, extmod: Remove include of unnecessary system headers.</title>
<updated>2015-03-14T23:11:25+00:00</updated>
<author>
<name>Damien George</name>
<email>damien.p.george@gmail.com</email>
</author>
<published>2015-03-14T23:11:25+00:00</published>
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<id>urn:sha1:1ef26b35c1682637de143ccb0449acb42428ed5c</id>
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