sysy-data/functional_c/sy/98_matrix_mul.sy

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2024-06-02 22:04:54 +08:00
#include "sylib.h"
2024-04-14 22:20:29 +08:00
int M;
int L;
int N;
int mul(float a0[],float a1[], float a2[],float b0[],float b1[],float b2[],float c0[],float c1[],float c2[])
{
int i;
i=0;
c0[0]=a0[0]*b0[0]+a0[1]*b1[0]+a0[2]*b2[0];
c0[1]=a0[0]*b0[1]+a0[1]*b1[1]+a0[2]*b2[1];
c0[2]=a0[0]*b0[2]+a0[1]*b1[2]+a0[2]*b2[2];
c1[0]=a1[0]*b0[0]+a1[1]*b1[0]+a1[2]*b2[0];
c1[1]=a1[0]*b0[1]+a1[1]*b1[1]+a1[2]*b2[1];
c1[2]=a1[0]*b0[2]+a1[1]*b1[2]+a1[2]*b2[2];
c2[0]=a2[0]*b0[0]+a2[1]*b1[0]+a2[2]*b2[0];
c2[1]=a2[0]*b0[1]+a2[1]*b1[1]+a2[2]*b2[1];
c2[2]=a2[0]*b0[2]+a2[1]*b1[2]+a2[2]*b2[2];
return 0;
}
int main()
{
N=3;
M=3;
L=3;
float a0[3], a1[3], a2[3], b0[3], b1[3], b2[3], c0[6], c1[3], c2[3];
int i;
i=0;
while(i<M)
{
a0[i]=i;
a1[i]=i;
a2[i]=i;
b0[i]=i;
b1[i]=i;
b2[i]=i;
i=i+1;
}
i=mul( a0, a1, a2, b0, b1, b2, c0, c1, c2);
int x;
while(i<N)
{
x = c0[i];
putint(x);
i=i+1;
}
x = 10;
i=0;
putch(x);
while(i<N)
{
x = c1[i];
putint(x);
i=i+1;
}
x = 10;
i=0;
putch(x);
while(i<N)
{
x = c2[i];
putint(x);
i=i+1;
}
x = 10;
putch(x);
return 0;
}