AVEVA软件编程是C语言吗？【求助】此段C语言代码运行不了

#include void ttest(float data1[],unsigned long n1,float data2[],unsigned long n2,float *t,float *prob)

{

void avevar(float data[],unsigned long n,float *ave,float *var);

float betai(float a,float b,float x);

float var1,var2,svar,df,ave1,ave2;

avevar(data1,n1,&ave1,&var1);

avevar(data2,n2,&ave2,&var2);

df=n1+n2-2;

svar=((n1-1)*var1+(n2-1)*var2)/df;

*t=(ave1-ave2)/sqrt(svar*(1.0/n1+1.0/n2));

*prob=betai(0.5*df,0.5,df/(df+(*t)*(*t)));

}

void avevar(float data[],unsigned long n,float *ave,float *var)

{

unsigned long j;

float s,ep;

for(*ave=0.0,j=1;j<=n;j++)*ave+=data[j];

*ave/=n;

*var=ep=0.0;

for(j=1;j<=n;j++){

s=data[j]-(*ave);

ep+=s;

*var+=s*s;

}

*var=(*var-ep*ep/n)/(n-1);

}

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