div_round_up.h
Go to the documentation of this file.00001 /******************************************************************************* 00002 * 00003 * Copyright (c) 2010 Philipp Werner <philipp.werner@st.ovgu.de> 00004 * All rights reserved. 00005 * 00006 * Redistribution and use in source and binary forms, with or without 00007 * modification, are permitted provided that the following conditions 00008 * are met: 00009 * 00010 * * Redistributions of source code must retain the above copyright 00011 * notice, this list of conditions and the following disclaimer. 00012 * 00013 * * Redistributions in binary form must reproduce the above copyright 00014 * notice, this list of conditions and the following disclaimer in 00015 * the documentation and/or other materials provided with the 00016 * distribution. 00017 * 00018 * * Neither the name of the copyright holders nor the names of 00019 * contributors may be used to endorse or promote products derived 00020 * from this software without specific prior written permission. 00021 * 00022 * 00023 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 00024 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 00025 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 00026 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 00027 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00028 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00029 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 00030 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 00031 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00032 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00033 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00034 * 00035 * 00036 * $Id$ 00037 * 00038 ******************************************************************************/ 00039 00040 #ifndef __DIV_ROUND_UP_H_BE280E46A5146A__ 00041 #define __DIV_ROUND_UP_H_BE280E46A5146A__ 00042 00043 #include <stdint.h> 00044 00045 namespace famouso { 00046 namespace mw { 00047 namespace afp { 00048 namespace shared { 00049 00056 static inline uint8_t div_round_up(uint8_t x, uint8_t y) { 00057 if (x > 0) 00058 return (((x - 1) / y) + 1); 00059 else 00060 return 0; 00061 } 00062 00069 static inline uint16_t div_round_up(uint16_t x, uint16_t y) { 00070 if (x > 0) 00071 return (((x - 1) / y) + 1); 00072 else 00073 return 0; 00074 } 00075 00082 static inline uint32_t div_round_up(uint32_t x, uint32_t y) { 00083 if (x > 0) 00084 return (((x - 1) / y) + 1); 00085 else 00086 return 0; 00087 } 00088 00095 static inline uint64_t div_round_up(uint64_t x, uint64_t y) { 00096 if (x > 0) 00097 return (((x - 1) / y) + 1); 00098 else 00099 return 0; 00100 } 00101 00102 } // namespace shared 00103 } // namespace afp 00104 } // namespace mw 00105 } // namespace famouso 00106 00107 00108 #endif // __DIV_ROUND_UP_H_BE280E46A5146A__ 00109