POK(kernelpart)
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00001 /* 00002 * POK header 00003 * 00004 * The following file is a part of the POK project. Any modification should 00005 * made according to the POK licence. You CANNOT use this file or a part of 00006 * this file is this part of a file for your own project 00007 * 00008 * For more information on the POK licence, please see our LICENCE FILE 00009 * 00010 * Please follow the coding guidelines described in doc/CODING_GUIDELINES 00011 * 00012 * Copyright (c) 2007-2009 POK team 00013 * 00014 * Created by julien on Thu Jan 15 23:34:13 2009 00015 */ 00016 00017 00018 00019 unsigned long long __udivdi3 (unsigned long long num, 00020 unsigned long long den) 00021 { 00022 #ifdef POK_NEEDS_DEBUG 00023 unsigned long long quot, qbit; 00024 00025 quot = 0; 00026 qbit = 1; 00027 00028 if (den == 0) 00029 { 00030 return 0; 00031 } 00032 00033 while ((long long) den >= 0) 00034 { 00035 den <<= 1; 00036 qbit <<= 1; 00037 } 00038 00039 while (qbit) 00040 { 00041 if (den <= num) 00042 { 00043 num -= den; 00044 quot += qbit; 00045 } 00046 den >>= 1; 00047 qbit >>= 1; 00048 } 00049 00050 return quot; 00051 #else 00052 (void) num; 00053 (void) den; 00054 return 0; 00055 #endif 00056 } 00057