/* Copyright (c) 2008-2010, Code Aurora Forum. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * Neither the name of Code Aurora Forum nor * the names of its contributors may be used to endorse or promote * products derived from this software without specific prior written * permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * */ #ifndef __GSL_UTILS_H #define __GSL_UTILS_H ////////////////////////////////////////////////////////////////////////////// // macros ////////////////////////////////////////////////////////////////////////////// #define GSL_QUADPOW2_TO_SIZEBYTES(quadpow2) (8 << (quadpow2)) #define GSL_QUADPOW2_TO_SIZEDWORDS(quadpow2) (2 << (quadpow2)) #define GSL_POW2TEST(size) ((size) && !((size) & ((size) - 1))) #define GSL_POW2ALIGN_DOWN(addr, alignsize) ((addr) & ~((alignsize) - 1)); #define GSL_POW2ALIGN_UP(addr, alignsize) (((addr) + ((alignsize) - 1)) & ~((alignsize) - 1)) #endif // __GSL_UTILS_H