OpenBLAS/kernel/generic/zgemm_small_matrix_kernel_tt.c

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#include "common.h"

#ifndef B0
int CNAME(BLASLONG M, BLASLONG N, BLASLONG K, FLOAT * A, BLASLONG lda, FLOAT alpha0, FLOAT alpha1, FLOAT * B, BLASLONG ldb, FLOAT beta0, FLOAT beta1, FLOAT * C, BLASLONG ldc)
#else
int CNAME(BLASLONG M, BLASLONG N, BLASLONG K, FLOAT * A, BLASLONG lda, FLOAT alpha0, FLOAT alpha1, FLOAT * B, BLASLONG ldb, FLOAT * C, BLASLONG ldc)
#endif
{
	FLOAT real, imag;
#ifndef B0
	FLOAT tmp0, tmp1;
#endif
	int i, j, l;
	for(i = 0; i < M; i++){
		for(j = 0; j < N; j++){
			real=0;
			imag=0;

			for(l = 0; l < K; l++){
#if defined(TT)
				real += (A[i*2*lda + 2*l]*B[l*2*ldb + 2*j]
					 -A[i*2*lda + 2*l + 1] * B[l*2*ldb + 2*j + 1]);

				imag+=(A[i*2*lda + 2*l] * B[l*2*ldb + 2*j + 1]
				       + A[i*2*lda + 2*l + 1] * B[l*2*ldb + 2*j]);

#elif defined(TC)
				real += (A[i*2*lda + 2*l]*B[l*2*ldb + 2*j]
					 +A[i*2*lda + 2*l + 1] * B[l*2*ldb + 2*j + 1]);

				imag+=(-A[i*2*lda + 2*l] * B[l*2*ldb + 2*j + 1]
				       + A[i*2*lda + 2*l + 1] * B[l*2*ldb + 2*j]);

#elif defined(CT)
				real += (A[i*2*lda + 2*l]*B[l*2*ldb + 2*j]
					 +A[i*2*lda + 2*l + 1] * B[l*2*ldb + 2*j + 1]);

				imag+=(A[i*2*lda + 2*l] * B[l*2*ldb + 2*j + 1]
				       - A[i*2*lda + 2*l + 1] * B[l*2*ldb + 2*j]);

#elif defined(CC)
				real += (A[i*2*lda + 2*l]*B[l*2*ldb + 2*j]
					 -A[i*2*lda + 2*l + 1] * B[l*2*ldb + 2*j + 1]);

				imag+=(-A[i*2*lda + 2*l] * B[l*2*ldb + 2*j + 1]
				       - A[i*2*lda + 2*l + 1] * B[l*2*ldb + 2*j]);

#endif
			}

#ifndef B0
			tmp0 = beta0*C[j*2*ldc + 2*i] - beta1*C[j*2*ldc+ 2*i + 1];
			tmp1 = beta0*C[j*2*ldc+ 2*i + 1] + beta1*C[j*2*ldc + 2*i];


			C[j*2*ldc + 2*i] =tmp0+ alpha0*real - alpha1*imag;
			C[j*2*ldc+ 2*i + 1] = tmp1+ alpha0*imag + real*alpha1;
#else
			C[j*2*ldc + 2*i] = alpha0*real - alpha1*imag;
			C[j*2*ldc+ 2*i + 1] = alpha0*imag + real*alpha1;
#endif
		}
	}
	
	return 0;
}