#include?“stdio.h“
#include?“stdlib.h“
#include?
#include?“math.h“
#include?
#include
#define?ulong?unsigned?long

union?Data{float?a;?char?dat[4];};
union?SI{unsigned?short?a;?char?s[2];};
union?SP{unsigned?short?i;?char?s[2];};

/*float?Ibm2decimal（char?dat[]）???//IBM浮點(diǎn)數(shù)轉(zhuǎn)換
{??
	
?????ulong?DataUint32;??
	?char?*p=NULL;

?????char?ch=dat[0];?????//高低位轉(zhuǎn)換開始
	?dat[0]=dat[3];
	?dat[3]=ch;
	??ch=dat[1];
	??dat[1]=dat[2];
	??dat[2]=ch;????????//高低位轉(zhuǎn)換結(jié)束

	??p=（char*）（&DataUint32）;
	??p[0]=dat[0];
	??p[1]=dat[1];
	??p[2]=dat[2];
	??p[3]=dat[3];

?????????//?gain?sign?from?first?bit?
?????double???sign?=?（double?）（?DataUint32?>>31）?;?????

?????//?gain?exponent?from?first?byte?last?7?bits
?????double???exp0?=?（double）?（?（???DataUint32?&0x7f000000?）???>>24）?;

????????//?remove?bias?from?exponent??
?????double???exp?=（double???）（exp0???-?64?）???;??

?????//?gain?mantissa?from?last?3?bytes?
?????double?frac?=?（?double?）（?DataUint32?&0x00ffffff???）?;
?????double?fmant?=?frac/?（pow（2?24）?）?;

?????float???result?=?（?1-2*sign）*（?pow（?16?exp）?）?*fmant;
	//?printf（“IEEE?is:%f\n“?result）;
	?return?result;
}
*/
main（）
{
???int?Tn;
???int?i;
???int?j;
???int?k;
???char?ch;
?//??float?dat;
???union?SI?si;//采樣點(diǎn)數(shù)
???union?SP?sp;//定義采樣