CµÄ¾«Éñ
ÔÚÖÆ¶¨±ê׼ʱ£¬
C89
ίԱ»á¹Ø×¢ÏÂÁм¸¸öÔÔò£¬ÕâЩÔÔòÖ±µ½½ñÌ컹ÔÚÖ¸µ¼ÎÒÃÇ¿¼ÂÇÎÊÌâ¡£×îÖØÒªµÄ¼¸¸öÔÔòÈçÏ£º
ÏÖ´æ´úÂëºÜÖØÒª£¬¶øÏÖ´æµÄ
C
±àÒëÆ÷ʵÏÖ²¢²»ÖØÒª¡£
C
´úÂëÄܹ»ÊÇ¿ÉÒÆÖ²µÄ¡£
C
´úÂë¿ÉÒÔÊDz»¿ÉÒÆÖ²µÄ¡£
C89
ίԱ»á²»Ï£Íû×èÖ¹
C
³ÌÐòԱд»úÆ÷רÓôúÂ룬ÒòΪÕâÊÇ
C
µÄÒ»¸öÇ¿Ïî¡£ÕâÔì³ÉÁËÑϸñÒ»Ö³ÌÐòºÍÒ»Ö³ÌÐòÖ®¼äµÄÇø±ð¡£
±ÜÃâ°²¾²µØ¸Ä±ä¡£
±ê×¼ÊÇʵÏÖÕߺͳÌÐòÔ±Ö®¼äµÄÐÔ¼¡£
±£³Ö
C
µÄ¾«Éñ¡£ÀýÈ磺
ÏàÐųÌÐòÔ±¡£
²»Òª×èÖ¹³ÌÐòÔ±×öÐèÒª×öµÄÊÂÇé¡£
±£³ÖÓïÑÔС¶ø¼òµ¥¡£
Ò»¸ö²Ù×÷Ö»ÌṩһÖÖ·½·¨¡£
¸ü¿ì£¬¼´Ê¹²»Äܱ£Ö¤¿ÉÒÆÖ²ÐÔ¡£
1994
Äê
WG14
»áÒéÐÂÔöÁËÒÔϼ¸Ìõ£º
Ö§³Ö¹ú¼Ê»¯±à³Ì¡£
ÐÞ¸ÄÏÖ´æµÄʵ¼ùÒÔ½â¾öÃ÷ÏÔµÄȱÏÝ¡£
×îС»¯Óë
C89
µÄ²»¼æÈÝÐÔ¡£
×îС»¯Óë
C++
µÄ²»¼æÈÝÐÔ
¡£
±£³Ö¸ÅÄî¼òµ¥¡£
Ïà¹ØÎĵµ£º
int svd(int m,int n,int withu,int withv,double eps,double tol,
double *a, double *q, double *u, double *v, double *vt)
{
int i,j,k,l,l1,iter,retval;
double c,f,g,h,s,x,y,z;
double *e;
e = (double *)calloc(n,sizeof(double));
retval = 0;
/* Cop ......
In C++, how do i go about using setenv to set the display? I need to set it like this:
export DISPLAY=0.0
1¡¢setenv("DISPLAY",":0.1",1);
If you're calling the xrandr functions from your C++ program, then I would expect setenv() should work for you. The 3rd argument of 1 tells setenv() to ov ......
CÓïÑÔ£¬ÓÐʱºòÕæ²»µÃ²»ÅåËü£¬ÕÕÀí˵£¬Îļþ´¦Àíº¯ÊýÊÇûÓÐʲôºÃ½²µÄ£¬µ«¶ÔÓںܶàCÈëÃŵÄÈËÀ´Ëµ£¬ËƺõÒ²ÊÇÖµµÃ¾²ÐÄÆ·Î¶Ò»·¬µÄ¡£
CÖеÄÎļþ´¦Àíº¯Êý²¢²»ºÜ¶à£¬¶ø³£Óõģ¬Ëƺõ¸üÉÙ¡£
º¯Êý²»ÄÑ£¬µ«²¢²»´ú±íÎļþ´¦ÀíÒ²²»ÄÑ¡£ËƺõÓÖÒªÓеãÅÜÌâÁË£¬ÎÒ×ÜÊÇϲ»¶ÅÜÌâ¡£Éϼ¸Ìì×öÃΣ¬Ãε½ÎÒµôµ½ÔÂÇòÉÏÈ¥À²……
¶ÔÎļþµ ......
¿ìËÙÃÝȡģÀíÂÛ»ù´¡£º ¼ÆËã a^b mod c ?
ÓÉ(a x b) mod c=((a mod c) x b) mod c.
ÎÒÃÇ¿ÉÒÔ½« bÏȱíʾ³É¾Í£º
b=at2^t+at-1 2^t-1+……a02^0. (ai=[0,1]).
ÕâÑùÎÒÃÇÓÉ a^b mod c=(a^(at2^t+at-12^t-1+…a02^0)mod c.
È»¶øÎÒÃÇÇó a^(2^(i+1)) ......