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Hi,

  ÔÚAndroidÉÏÓÐЩÔËËãÓÐÎÊÌâ(C´úÂë)

  4×Ö½Úx2×é³É8×Ö½Ú ÕâÀïÓÐÁ½ÖÖ×ö·¨£º

1. ½«8×Ö½Ú±äÁ¿µ±×öÒ»¸öint[2]È»ºó¸÷×Ô¸³Öµ

2. ½«¸ß4×Ö½Ú<<32 È»ºóÔÙ | µÍ4×Ö½Ú

 

ÕâÀ·½·¨2ûÓÐÎÊÌâ¡£¶ø·½·¨Ò»½á¹ûÓÐÎó
ÇëÎʿɷñÓÐʲô·½·¨½â¾öÕâ¸öÎÊÌ⣿

Thanks 

C/C++ code:

//·½·¨1

unsigned int HIGH_INT(unsigned long long d)

{

unsigned long long dcopy = d;

return ((unsigned int*)&dcopy)[1];

}



unsigned long long MAKE_DBLINT(unsigned int high, unsigned int low)

{

unsigned long long build = low;

((unsigned int*)&build)[1] = high;

return build;

}



void printInt(unsigned long long l) {

unsigned int high = HIGH_INT(l),low = (unsigned int)l;

LOGV("high=%X low=%X",high,low);

}

//·½·¨2

unsigned int HIGH_INT2(unsigned long long d)

{

unsigned long long dcopy = d;

return (unsigned int)(dcopy>>32);

}



unsigned long long MAKE_DBLINT2(unsigned int high, unsigned int low)

{

unsigned long long build = low;

unsigned long long build2 = high;

build2 = build2 << 32;

build = build | build2;

return build;

}



void printInt2(unsign


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