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GCC ±àÒëc³ÌÐòµÄ·½·¨¼°¹ý³Ì½âÎö 
Justin.zp.Yang 2010.04.10
        Ä¿Ç° Linux ÏÂ×î³£ÓÃµÄ C ÓïÑÔ±àÒëÆ÷ÊÇ GCC £¨ GNU Compiler Collection £©£¬ËüÊÇ GNU ÏîÄ¿ÖзûºÏ ANSI C ±ê×¼µÄ±àÒëϵͳ£¬Äܹ»±àÒëÓà C ¡¢ C++ ºÍ Object C µÈÓïÑÔ±àдµÄ³ÌÐò¡£ GCC ²»½ö¹¦Äܷdz£Ç¿´ó£¬½á¹¹Ò²Òì³£Áé»î¡£×îÖµµÃ³ÆµÀµÄÒ»µã¾ÍÊÇËü¿ÉÒÔͨ¹ý²»Í¬µÄǰ¶ËÄ£¿éÀ´Ö§³Ö¸÷ÖÖÓïÑÔ£¬ÈçJava ¡¢ Fortran ¡¢ Pascal ¡¢ Modula-3 ºÍ Ada µÈ¡£¿ª·Å¡¢×ÔÓɺÍÁé»îÊÇ Linux µÄ÷ÈÁ¦ËùÔÚ£¬¶øÕâÒ»µãÔÚ GCC ÉϵÄÌåÏÖ¾ÍÊdzÌÐòԱͨ¹ýËüÄܹ»¸üºÃµØ¿ØÖÆÕû¸ö±àÒë¹ý³Ì¡£ÔÚʹÓà GCC ±àÒë³ÌÐòʱ£¬±àÒë¹ý³Ì¿ÉÒÔ±»Ï¸·ÖΪËĸö½×¶Î£º
Ô¤´¦Àí£¨ Pre-Processing £©
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Linux ³ÌÐòÔ±¿ÉÒÔ¸ù¾Ý×Ô¼ºµÄÐèÒªÈà GCC ÔÚ±àÒëµÄÈκν׶νáÊø£¬ÒÔ±ã¼ì²é»òʹÓñàÒëÆ÷Ôڸý׶εÄÊä³öÐÅÏ¢£¬»òÕß¶Ô×îºóÉú³ÉµÄ¶þ½øÖÆÎļþ½øÐпØÖÆ£¬ÒÔ±ãͨ¹ý¼ÓÈ벻ͬÊýÁ¿ºÍÖÖÀàµÄµ÷ÊÔ´úÂëÀ´Îª½ñºóµÄµ÷ÊÔ×öºÃ×¼±¸¡£ºÍÆäËü³£ÓõıàÒëÆ÷Ò»Ñù£¬ GCC Ò²ÌṩÁËÁé»î¶øÇ¿´óµÄ´úÂëÓÅ»¯¹¦ÄÜ£¬ÀûÓÃËü¿ÉÒÔÉú³ÉÖ´ÐÐЧÂʸü¸ßµÄ´úÂë¡£
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#define uchar unsigned char
#define uint unsigned int
#include <intrins.h>
/*
¹«ÀúÄê¶ÔÓ¦µÄÅ©ÀúÊý¾Ý,ÿÄêÈý×Ö½Ú,
¸ñʽµÚÒ»×Ö½ÚBIT7-4 λ±íʾÈòÔÂÔ·Ý,ֵΪ0 ΪÎÞÈòÔÂ,BIT3-0 ¶ÔӦũÀúµÚ1-4 ÔµĴóС
µÚ¶þ×Ö½ÚBIT7-0 ¶ÔӦũÀúµÚ5-12 Ô´óС,µÚÈý×Ö½ÚBIT7 ±íʾũÀúµÚ13 ¸öÔ´óС
Ô·ݶÔÓ¦µÄλΪ1 ±íʾ±¾Å©ÀúÔ´ó(30 Ìì),Ϊ0 ±íʾС(29 Ìì)
µÚÈý×Ö½ÚBIT6-5 ±íʾ´º½ÚµÄ¹«ÀúÔ·Ý,BIT4-0 ±íʾ´º½ÚµÄ¹«ÀúÈÕÆÚ
*/
code uchar year_code[597]={
                    0x04,0xAe,0x53,    //1901 0
                    0x0A,0x57,0x48,    //1902 3
                    0x55,0x26,0xBd,    //1903 6
      &nb ......

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void Reverse(char s[])
{
    for(int i = 0, j = strlen(s) - 1; i < j; ++i, --j) {
        char c = s[i];
        s[i] = s[j];
        s[j] = c;
    }
}
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    a ^= b;
    b ^= a;
    a ^= b;
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char* strrev1(const char* str)
{
       int len = strlen(str);
  &nb ......

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For(;;){              p=array;
A=array[t++];        for(;;){
                      a=*(p++);
......               ......
} }
Ö¸Õë·½·¨µÄÓŵãÊÇ£¬ array µÄµØÖ·Ã¿´Î×°ÈëµØÖ· p ºó£¬ÔÚÿ´ÎÑ­»·ÖÐÖ»Ðè¶Ô p ÔöÁ¿²Ù×÷¡£ÔÚÊý×éË÷Òý·½·¨ÖУ¬Ã¿´ÎÑ­»·Öж¼±ØÐë¸ù¾Ý t ÖµÇóÊý×éϱêµÄ¸´ÔÓÔËËã¡£
2¡¢Ê¹Óþ¡Á¿Ð¡µÄÊý¾ÝÀàÐÍ
Äܹ»Ê¹ÓÃ×Ö·ûÐÍ (char) ¶¨ÒåµÄ±äÁ¿£¬ ......

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1.н¨dll¹¤³Ì£¬ÔÚº¯ÊýÇ°ÃæÔö¼Ó extern "C" __declspec(dllexport) double __stdcall
double Ϊº¯Êý·µ»ØÖµÀàÐÍ
// log.cpp : Defines the exported functions for the DLL application.
//
#include "stdafx.h"
#include <stdlib.h>
#include <stdio.h>
#include <math.h>
#include <time.h>
#define PI 3.14159
double AverageRandom(double min,double max)//²úÉú(min,max)Ö®¼ä¾ùÔÈ·Ö²¼µÄËæ»úÊý
{
int MINnteger = (int)(min*10000);
int MAXnteger = (int)(max*10000);
int aa=rand();
int bb=rand();
int randInteger = aa*bb;
int diffInteger = MAXnteger - MINnteger;
int resultInteger = randInteger % diffInteger + MINnteger;
return resultInteger/10000.0;
}
double LogNormal(double x,double miu,double sigma) //¶ÔÊýÕý̬·Ö²¼¸ÅÂÊÃܶȺ¯Êý
{
return 1.0/(x*sqrt(2*PI)*sigma) * exp(-1*(log(x)-miu)*(log(x)-miu)/(2*sigma*sigma));
}
extern "C" __declspec(dllexport) double __stdcall Random_LogNormal(double miu,double sigma,double ......

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1.н¨dll¹¤³Ì£¬ÔÚº¯ÊýÇ°ÃæÔö¼Ó extern "C" __declspec(dllexport) double __stdcall
double Ϊº¯Êý·µ»ØÖµÀàÐÍ
// log.cpp : Defines the exported functions for the DLL application.
//
#include "stdafx.h"
#include <stdlib.h>
#include <stdio.h>
#include <math.h>
#include <time.h>
#define PI 3.14159
double AverageRandom(double min,double max)//²úÉú(min,max)Ö®¼ä¾ùÔÈ·Ö²¼µÄËæ»úÊý
{
int MINnteger = (int)(min*10000);
int MAXnteger = (int)(max*10000);
int aa=rand();
int bb=rand();
int randInteger = aa*bb;
int diffInteger = MAXnteger - MINnteger;
int resultInteger = randInteger % diffInteger + MINnteger;
return resultInteger/10000.0;
}
double LogNormal(double x,double miu,double sigma) //¶ÔÊýÕý̬·Ö²¼¸ÅÂÊÃܶȺ¯Êý
{
return 1.0/(x*sqrt(2*PI)*sigma) * exp(-1*(log(x)-miu)*(log(x)-miu)/(2*sigma*sigma));
}
extern "C" __declspec(dllexport) double __stdcall Random_LogNormal(double miu,double sigma,double ......

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