fixreal 0.8

Defines a set of function to convert number between fixed and floating point representations

Functions to convert numbers between fixed and floating point representation as experienced by simulink users. Permits conversion of 8, 16 and 32 bit representation of signed and unsigned decimal numbers, with or without binary point.

INSTALLATION

Package can be downloaded from the public git repo as:

$ git clone
$ python setup.py install

or installed automatically via pypi:

$ pip install fixreal

USAGE

>>> import fixreal
>>> fixreal.real2fix(-0.9921875, fixreal.get_conv(8, 7, True))
129.0
>>> fixreal.real2fix(-3.96875, fixreal.get_conv(8, 5, True))
129.0
>>> fixreal.real2fix(-127, fixreal.get_conv(8, 0, True))
129.0
>>> fixreal.real2fix(1.0078125, fixreal.get_conv(8, 7, False))
129.0
>>> fixreal.real2fix(4.03125, fixreal.get_conv(8, 5, False))
129.0
>>> fixreal.real2fix(129, fixreal.get_conv(8, 0, False))
129.0
>>> fixreal.fix2real(0b10000001, fixreal.get_conv(8, 7, True))
-0.9921875
>>> fixreal.fix2real(0b10000001, fixreal.get_conv(8, 5, True))
-3.96875
>>> fixreal.fix2real(0b10000001, fixreal.get_conv(8, 0, True))
-127.0
>>> fixreal.fix2real(0b10000001, fixreal.get_conv(8, 7, False))
1.0078125
>>> fixreal.fix2real(0b10000001, fixreal.get_conv(8, 5, False))
4.03125
>>> fixreal.fix2real(0b10000001, fixreal.get_conv(8, 0, False))
129.0
>>> conv = fixreal.conv_from_name("fix_8_7")