main () {
short input[256] __attribute__((aligned(16)));
short input2[256] __attribute__((aligned(16)));
short output[256] __attribute__((aligned(16)));
int i;
Zero_Buffer(output,256*2);
for (i=0;i<16;i+=2)
printf("output[%d] = %d + %d i\n",i,output[i],output[i+1]);
input[0] = 100;
input[1] = 200;
input[2] = 100;
input[3] = 200;
input[4] = 1234;
input[5] = -1234;
input[6] = 1234;
input[7] = -1234;
input[8] = 100;
input[9] = 200;
input[10] = 100;
input[11] = 200;
input[12] = 1000;
input[13] = 2000;
input[14] = 1000;
input[15] = 2000;
input2[0] = 1;
input2[1] = 2;
input2[2] = 1;
input2[3] = 2;
input2[4] = 10;
input2[5] = 20;
input2[6] = 10;
input2[7] = 20;
input2[8] = 1;
input2[9] = 2;
input2[10] = 1;
input2[11] = 2;
input2[12] = 1000;
input2[13] = 2000;
input2[14] = 1000;
input2[15] = 2000;
mult_cpx_vector_h(input2,input2,output,8,0,1);
for (i=0;i<16;i+=2)
printf("output[%d] = %d + %d i\n",i,output[i],output[i+1]);
Zero_Buffer(output,256*2);
mult_cpx_vector_h(input2,input2,output,8,0,-1);
for (i=0;i<16;i+=2)
printf("output[%d] = %d + %d i\n",i,output[i],output[i+1]);
}
int mult_cpx_matrix_vector(int *x1[2][2],
int *x2[2],
int *y[2],
unsigned int N,
unsigned short output_shift)
{
Zero_Buffer(y[0],N*8);
Zero_Buffer(y[1],N*8);
// this computes x1*x2 and stores it in y (32 bit)
mult_cpx_vector_add32((short*)x2[0],(short*)x1[0][0],(short*)y[0],N);
mult_cpx_vector_add32((short*)x2[1],(short*)x1[0][1],(short*)y[0],N);
mult_cpx_vector_add32((short*)x2[0],(short*)x1[1][0],(short*)y[1],N);
mult_cpx_vector_add32((short*)x2[1],(short*)x1[1][1],(short*)y[1],N);
// shift and pack
shift_and_pack((short*)y[0],N,output_shift);
shift_and_pack((short*)y[1],N,output_shift);
}
main ()
{
short input[256] __attribute__((aligned(16)));
short output[256] __attribute__((aligned(16)));
int i;
struct complex16 alpha;
Zero_Buffer(output,256*2);
input[0] = 100;
input[1] = 200;
input[2] = 100;
input[3] = 200;
input[4] = 1234;
input[5] = -1234;
input[6] = 1234;
input[7] = -1234;
input[8] = 100;
input[9] = 200;
input[10] = 100;
input[11] = 200;
input[12] = 1000;
input[13] = 2000;
input[14] = 1000;
input[15] = 2000;
alpha.r = 10;
alpha.i = -10;
add_cpx_vector(input,(short*) &alpha,input,8);
for (i=0; i<16; i+=2)
printf("output[%d] = %d + %d i\n",i,input[i],input[i+1]);
}
main ()
{
short x1_00[256] __attribute__((aligned(16)));
short x1_10[256] __attribute__((aligned(16)));
short x1_01[256] __attribute__((aligned(16)));
short x1_11[256] __attribute__((aligned(16)));
short x2_0[256] __attribute__((aligned(16)));
short x2_1[256] __attribute__((aligned(16)));
short y_0[256] __attribute__((aligned(16)));
short y_1[256] __attribute__((aligned(16)));
int *x1[2][2];
int *x2[2];
int *y[2];
int i,m,n;
x1[0][0] = (int*)x1_00;
x1[0][1] = (int*)x1_01;
x1[1][0] = (int*)x1_10;
x1[1][1] = (int*)x1_11;
x2[0] = (int*)x2_0;
x2[1] = (int*)x2_1;
y[0] = (int*)y_0;
y[1] = (int*)y_1;
for(m=0; m<2; m++) {
for(n=0; n<2; n++) {
for(i=0; i<256; i+=4) {
((short*)x1[m][n])[i] = ((short) rand())/4;
((short*)x1[m][n])[i+1] = ((short) rand())/4;
((short*)x1[m][n])[i+2] = -((short*)x1[m][n])[i+1];
((short*)x1[m][n])[i+3] = ((short*)x1[m][n])[i];
}
}
for(i=0; i<256; i+=4) {
((short*)x2[m])[i] = ((short) rand())/4;
((short*)x2[m])[i+1] = ((short) rand())/4;
((short*)x2[m])[i+2] = ((short*)x2[m])[i];
((short*)x2[m])[i+3] = ((short*)x2[m])[i+1];
}
Zero_Buffer(y[m],512);
}
/*
input[0] = 100;
input[1] = 200;
input[2] = -200;
input[3] = 100;
input[4] = 1000;
input[5] = 2000;
input[6] = -2000;
input[7] = 1000;
input[8] = 100;
input[9] = 200;
input[10] = -200;
input[11] = 100;
input[12] = 1000;
input[13] = 2000;
input[14] = -2000;
input[15] = 1000;
input2[0] = 2;
input2[1] = 1;
input2[2] = 2;
input2[3] = 1;
input2[4] = 20;
input2[5] = 10;
input2[6] = 20;
input2[7] = 10;
input2[8] = 2;
input2[9] = 1;
input2[10] = 2;
input2[11] = 1;
input2[12] = 2000;
input2[13] = 1000;
input2[14] = 2000;
input2[15] = 1000;
x1[0][0] = (int*)input;
x1[0][1] = (int*)input;
x1[1][0] = (int*)input;
x1[1][1] = (int*)input;
x2[0] = (int*)input2;
x2[1] = (int*)input2;
y[0] = (int*)output;
y[1] = (int*)output2;
*/
mult_cpx_matrix_vector(x1,x2,y,64,15);
//mult_cpx_vector_add32(x2[0],x1[0][0],y[0],64);
for (i=0; i<128; i+=2)
printf("i=%d, x1 = [%d+1i*%d %d+1i*%d; %d+1i*%d %d+1i*%d]; x2 = [%d+1i*%d; %d+1i*%d]; y = [%d+1i*%d; %d+1i*%d]; y_m= round(x1*x2./pow2(15)); y-y_m \n",
i,
((short*)x1[0][0])[2*i], ((short*)x1[0][0])[2*i+2],
((short*)x1[0][1])[2*i], ((short*)x1[0][1])[2*i+2],
((short*)x1[1][0])[2*i], ((short*)x1[1][0])[2*i+2],
((short*)x1[1][1])[2*i], ((short*)x1[1][1])[2*i+2],
((short*)x2[0])[2*i], ((short*)x2[0])[2*i+1],
((short*)x2[1])[2*i], ((short*)x2[1])[2*i+1],
((short*)y[0])[2*i], ((short*)y[0])[2*i+1],
((short*)y[1])[2*i], ((short*)y[1])[2*i+1]);
//((int*)y[0])[i], ((int*)y[0])[i+1],
//((int*)y[1])[i], ((int*)y[1])[i+1]);
}