FLA_Symm_ll_blk_var9.c File Reference

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Functions
FLA_Error	FLA_Symm_ll_blk_var9 (FLA_Obj alpha, FLA_Obj A, FLA_Obj B, FLA_Obj beta, FLA_Obj C, fla_symm_t *cntl)

Function Documentation

FLA_Symm_ll_blk_var9()

FLA_Error FLA_Symm_ll_blk_var9	(	FLA_Obj	alpha,
		FLA_Obj	A,
		FLA_Obj	B,
		FLA_Obj	beta,
		FLA_Obj	C,
		fla_symm_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_LEFT );
 
  FLA_Part_1x2( C,    &CL,  &CR,      0, FLA_LEFT );
 
  while ( FLA_Obj_width( BL ) < FLA_Obj_width( B ) ){
 
    b = FLA_Determine_blocksize( BR, FLA_RIGHT, FLA_Cntl_blocksize( cntl ) );
 
    FLA_Repart_1x2_to_1x3( BL,  /**/ BR,        &B0, /**/ &B1, &B2,
                           b, FLA_RIGHT );
 
    FLA_Repart_1x2_to_1x3( CL,  /**/ CR,        &C0, /**/ &C1, &C2,
                           b, FLA_RIGHT );
 
    /*------------------------------------------------------------*/
 
    /* C1 = C1 + A * B1 */
    FLA_Symm_internal( FLA_LEFT, FLA_LOWER_TRIANGULAR, 
                       alpha, A, B1, beta, C1,
                       FLA_Cntl_sub_symm( cntl ) );
 
    /*------------------------------------------------------------*/
 
    FLA_Cont_with_1x3_to_1x2( &BL,  /**/ &BR,        B0, B1, /**/ B2,
                              FLA_LEFT );
 
    FLA_Cont_with_1x3_to_1x2( &CL,  /**/ &CR,        C0, C1, /**/ C2,
                              FLA_LEFT );
 
  }
 
  return FLA_SUCCESS;
}

References FLA_Cont_with_1x3_to_1x2(), FLA_Determine_blocksize(), FLA_Obj_width(), FLA_Part_1x2(), FLA_Repart_1x2_to_1x3(), and FLA_Symm_internal().

Referenced by FLA_Symm_ll().