rcc

#include <stdio.h>

class Foo {
public:
	Foo(int val) : val_(val) { }

	void operator()(int v) const
	{
		printf("%p : val = %d\n", this, val_ + v);
	}

rcc

#ifndef I__BITFIELD_H__
	#define I__BITFIELD_H__

/* Bitfield Macros
 *
 * A bitfield is any range of bits in a word. A bitfield definition
 * needs to specify the SIZE and SHIFT in the following format:
 * 	#define BITFIELD_NAME SIZE:SHIFT
 * Examples (X is don't care, F is the field):
 * 	Register: XXXXXFFX = Bitfield 2:1

rcc

/*
 * lfsr.c - lfsr library
 *
 * Copyright (C) 2009 Robert C. Curtis
 *
 * lfsr.c is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version.
 *

rcc

/* Log(N) method for calculating the number of bits set in a word */
uint8_t bits_set(uint32_t word)
{
	word = (word & 0x55555555) + ((word >> 1) & 0x55555555);
	word = (word & 0x33333333) + ((word >> 2) & 0x33333333);
	word = (word & 0x0F0F0F0F) + ((word >> 4) & 0x0F0F0F0F);
	word = (word & 0x00FF00FF) + ((word >> 8) & 0x00FF00FF);
	word = (word & 0x0000FFFF) + ((word >> 16) & 0x0000FFFF);

	return (uint8_t)word;