FLA_Gemm_cn_blk_var4.c File Reference

(r)

Functions
FLA_Error	FLA_Gemm_cn_blk_var4 (FLA_Obj alpha, FLA_Obj A, FLA_Obj B, FLA_Obj beta, FLA_Obj C, fla_gemm_t *cntl)

Function Documentation

FLA_Gemm_cn_blk_var4()

FLA_Error FLA_Gemm_cn_blk_var4	(	FLA_Obj	alpha,
		FLA_Obj	A,
		FLA_Obj	B,
		FLA_Obj	beta,
		FLA_Obj	C,
		fla_gemm_t *	cntl
	)

{
  FLA_Obj BL,    BR,       B0,  B1,  B2;
 
  FLA_Obj CL,    CR,       C0,  C1,  C2;
 
  dim_t b;
 
  FLA_Part_1x2( B,    &BL,  &BR,      0, FLA_RIGHT );
 
  FLA_Part_1x2( C,    &CL,  &CR,      0, FLA_RIGHT );
 
  while ( FLA_Obj_width( BR ) < FLA_Obj_width( B ) ){
 
    b = FLA_Determine_blocksize( BL, FLA_LEFT, FLA_Cntl_blocksize( cntl ) );
 
    FLA_Repart_1x2_to_1x3( BL,  /**/ BR,        &B0, &B1, /**/ &B2,
                           b, FLA_LEFT );
 
    FLA_Repart_1x2_to_1x3( CL,  /**/ CR,        &C0, &C1, /**/ &C2,
                           b, FLA_LEFT );
 
    /*------------------------------------------------------------*/
 
    /* C1 = alpha * A * B1 + C1; */
    FLA_Gemm_internal( FLA_CONJ_NO_TRANSPOSE, FLA_NO_TRANSPOSE, 
                       alpha, A, B1, beta, C1, 
                       FLA_Cntl_sub_gemm( cntl ) );
 
    /*------------------------------------------------------------*/
 
    FLA_Cont_with_1x3_to_1x2( &BL,  /**/ &BR,        B0, /**/ B1, B2,
                              FLA_RIGHT );
 
    FLA_Cont_with_1x3_to_1x2( &CL,  /**/ &CR,        C0, /**/ C1, C2,
                              FLA_RIGHT );
 
  }
 
  return FLA_SUCCESS;
}

References FLA_Cont_with_1x3_to_1x2(), FLA_Determine_blocksize(), FLA_Gemm_internal(), FLA_Obj_width(), FLA_Part_1x2(), FLA_Repart_1x2_to_1x3(), and i.

Referenced by FLA_Gemm_cn().