Support Vector Machine VHDL

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Please Sir, I need your help in making me understand this line

use ieee.fixed_pkg.all

when I ran the program, I found this problem

ERROR:HDLParsers:3014 - "C:/Users/George1/Desktop/fixed_top.vhd" Line 4. Library unit fixed_pkg is not available in library ieee.

I need the library please.

Thank you so much

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How are you trying to compile the code?

the fixed_pkg is part of the VHDL 2008 standard and is included with modelsim. For Quartus prime 15.1 and later, the package is included. For earlier versions, you need to find a version of the library from somewhere.