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path: root/libs/minisat/00_UPDATE.sh
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#!/bin/bash

rm -f LICENSE *.cc *.h
git clone --depth 1 https://github.com/niklasso/minisat minisat_upstream
rm minisat_upstream/minisat/*/Main.cc
mv minisat_upstream/LICENSE minisat_upstream/minisat/*/*.{h,cc} .
rm -rf minisat_upstream

sed -i -e 's,^#include *"minisat/[^/]\+/\?,#include ",' *.cc *.h
sed -i -e 's/Minisat::memUsedPeak()/Minisat::memUsedPeak(bool)/' System.cc
sed -i -e 's/PRI[iu]64/ & /' Options.h Solver.cc
sed -i -e '1 i #ifndef __STDC_LIMIT_MACROS\n#define __STDC_LIMIT_MACROS\n#endif' *.cc
sed -i -e '1 i #ifndef __STDC_FORMAT_MACROS\n#define __STDC_FORMAT_MACROS\n#endif' *.cc

patch -p0 < 00_PATCH_mkLit_default_arg.patch
patch -p0 < 00_PATCH_remove_zlib.patch
patch -p0 < 00_PATCH_no_fpu_control.patch
patch -p0 < 00_PATCH_typofixes.patch
ighlight">
module top(
	input wire [3:0] inp,
	output wire [3:0] out1, out2, out3, out4, out5,
	output reg [3:0] out6
);
	function automatic [3:0] flip;
		input [3:0] inp;
		flip = ~inp;
	endfunction

	function automatic [3:0] help;
		input [3:0] inp;
		help = flip(inp);
	endfunction

	// while loops are const-eval-only
	function automatic [3:0] loop;
		input [3:0] inp;
		reg [3:0] val;
		begin
			val = inp;
			loop = 1;
			while (val != inp) begin
				loop = loop * 2;
				val = val + 1;
			end
		end
	endfunction

	// not const-eval-only, despite calling a const-eval-only function
	function automatic [3:0] help_mul;
		input [3:0] inp;
		help_mul = inp * loop(2);
	endfunction

	// can be elaborated so long as exp is a constant
	function automatic [3:0] pow_flip_a;
		input [3:0] base, exp;
		begin
			pow_flip_a = 1;
			if (exp > 0)
				pow_flip_a = base * pow_flip_a(flip(base), exp - 1);
		end
	endfunction

	function automatic [3:0] pow_flip_b;
		input [3:0] base, exp;
		begin
			out6[exp] = base & 1;
			pow_flip_b = 1;
			if (exp > 0)
				pow_flip_b = base * pow_flip_b(flip(base), exp - 1);
		end
	endfunction

	assign out1 = flip(flip(inp));
	assign out2 = help(flip(inp));
	assign out3 = help_mul(inp);
	assign out4 = pow_flip_a(flip(inp), 3);
	assign out5 = pow_flip_b(2, 2);
endmodule