FLA_LU_nopiv.h File Reference

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Functions
FLA_Error	FLA_LU_nopiv_internal (FLA_Obj A, fla_lu_t *cntl)
FLA_Error	FLA_LU_nopiv_solve (FLA_Obj A, FLA_Obj B, FLA_Obj X)
FLA_Error	FLASH_LU_nopiv_solve (FLA_Obj A, FLA_Obj B, FLA_Obj X)

Function Documentation

FLA_LU_nopiv_internal()

FLA_Error FLA_LU_nopiv_internal	(	FLA_Obj	A,
		fla_lu_t *	cntl )

{
    FLA_Error r_val = FLA_SUCCESS;
 
    if ( FLA_Check_error_level() == FLA_FULL_ERROR_CHECKING )
        FLA_LU_nopiv_internal_check( A, cntl );
 
    if      ( FLA_Cntl_matrix_type( cntl ) == FLA_HIER &&
              FLA_Obj_elemtype( A ) == FLA_MATRIX &&
              FLA_Cntl_variant( cntl ) == FLA_SUBPROBLEM )
    {
        // Recurse
        r_val = FLA_LU_nopiv_internal( *FLASH_OBJ_PTR_AT( A ),
                                       flash_lu_nopiv_cntl );
    }
    else if ( FLA_Cntl_matrix_type( cntl ) == FLA_HIER &&
              FLA_Obj_elemtype( A ) == FLA_SCALAR &&
              FLASH_Queue_get_enabled( ) )
    {
        // Enqueue
        ENQUEUE_FLASH_LU_nopiv( A, cntl );
    }
    else
    {
        if ( FLA_Cntl_matrix_type( cntl ) == FLA_HIER &&
             FLA_Obj_elemtype( A ) == FLA_SCALAR &&
             !FLASH_Queue_get_enabled( ) )
        {
            // Execute leaf
            cntl = fla_lu_nopiv_cntl_leaf;
        }
        
        // Choose implementation.
        if      ( FLA_Cntl_variant( cntl ) == FLA_UNB_OPT_VARIANT1 )
        {
            r_val = FLA_LU_nopiv_opt_var1( A );
        }
#ifdef FLA_ENABLE_NON_CRITICAL_CODE
        else if ( FLA_Cntl_variant( cntl ) == FLA_UNB_OPT_VARIANT2 )
        {
            r_val = FLA_LU_nopiv_opt_var2( A );
        }
        else if ( FLA_Cntl_variant( cntl ) == FLA_UNB_OPT_VARIANT3 )
        {
            r_val = FLA_LU_nopiv_opt_var3( A );
        }
        else if ( FLA_Cntl_variant( cntl ) == FLA_UNB_OPT_VARIANT4 )
        {
            r_val = FLA_LU_nopiv_opt_var4( A );
        }
#endif
        else if ( FLA_Cntl_variant( cntl ) == FLA_UNB_OPT_VARIANT5 )
        {
            r_val = FLA_LU_nopiv_opt_var5( A );
        }
#ifdef FLA_ENABLE_NON_CRITICAL_CODE
        else if ( FLA_Cntl_variant( cntl ) == FLA_UNBLOCKED_VARIANT1 )
        {
            r_val = FLA_LU_nopiv_unb_var1( A );
        }
        else if ( FLA_Cntl_variant( cntl ) == FLA_UNBLOCKED_VARIANT2 )
        {
            r_val = FLA_LU_nopiv_unb_var2( A );
        }
        else if ( FLA_Cntl_variant( cntl ) == FLA_UNBLOCKED_VARIANT3 )
        {
            r_val = FLA_LU_nopiv_unb_var3( A );
        }
        else if ( FLA_Cntl_variant( cntl ) == FLA_UNBLOCKED_VARIANT4 )
        {
            r_val = FLA_LU_nopiv_unb_var4( A );
        }
#endif
        else if ( FLA_Cntl_variant( cntl ) == FLA_UNBLOCKED_VARIANT5 )
        {
            r_val = FLA_LU_nopiv_unb_var5( A );
        }
#ifdef FLA_ENABLE_NON_CRITICAL_CODE
        else if ( FLA_Cntl_variant( cntl ) == FLA_BLOCKED_VARIANT1 )
        {
            r_val = FLA_LU_nopiv_blk_var1( A, cntl );
        }
        else if ( FLA_Cntl_variant( cntl ) == FLA_BLOCKED_VARIANT2 )
        {
            r_val = FLA_LU_nopiv_blk_var2( A, cntl );
        }
        else if ( FLA_Cntl_variant( cntl ) == FLA_BLOCKED_VARIANT3 )
        {
            r_val = FLA_LU_nopiv_blk_var3( A, cntl );
        }
        else if ( FLA_Cntl_variant( cntl ) == FLA_BLOCKED_VARIANT4 )
        {
            r_val = FLA_LU_nopiv_blk_var4( A, cntl );
        }
#endif
        else if ( FLA_Cntl_variant( cntl ) == FLA_BLOCKED_VARIANT5 )
        {
            r_val = FLA_LU_nopiv_blk_var5( A, cntl );
        }
        else
        {
            FLA_Check_error_code( FLA_NOT_YET_IMPLEMENTED );
        }
    }
 
    return r_val;
}

References FLA_Check_error_level(), FLA_LU_nopiv_blk_var1(), FLA_LU_nopiv_blk_var2(), FLA_LU_nopiv_blk_var3(), FLA_LU_nopiv_blk_var4(), FLA_LU_nopiv_blk_var5(), fla_lu_nopiv_cntl_leaf, FLA_LU_nopiv_internal(), FLA_LU_nopiv_internal_check(), FLA_LU_nopiv_opt_var1(), FLA_LU_nopiv_opt_var2(), FLA_LU_nopiv_opt_var3(), FLA_LU_nopiv_opt_var4(), FLA_LU_nopiv_opt_var5(), FLA_LU_nopiv_unb_var1(), FLA_LU_nopiv_unb_var2(), FLA_LU_nopiv_unb_var3(), FLA_LU_nopiv_unb_var4(), FLA_LU_nopiv_unb_var5(), FLA_Obj_elemtype(), flash_lu_nopiv_cntl, and FLASH_Queue_get_enabled().

Referenced by FLA_LU_nopiv(), FLA_LU_nopiv_blk_var1(), FLA_LU_nopiv_blk_var2(), FLA_LU_nopiv_blk_var3(), FLA_LU_nopiv_blk_var4(), FLA_LU_nopiv_blk_var5(), FLA_LU_nopiv_internal(), FLA_LU_nopiv_task(), and FLASH_LU_nopiv().

FLA_LU_nopiv_solve()

FLA_Error FLA_LU_nopiv_solve	(	FLA_Obj	A,
		FLA_Obj	B,
		FLA_Obj	X )

{
  // Check parameters.
  if ( FLA_Check_error_level() >= FLA_MIN_ERROR_CHECKING )
    FLA_LU_nopiv_solve_check( A, B, X );
 
  if ( FLA_Obj_is_identical( B, X ) == FALSE )
    FLA_Copy_external( B, X );
 
  FLA_Trsm_external( FLA_LEFT, FLA_LOWER_TRIANGULAR, FLA_NO_TRANSPOSE,
                     FLA_UNIT_DIAG, FLA_ONE, A, X );
  FLA_Trsm_external( FLA_LEFT, FLA_UPPER_TRIANGULAR, FLA_NO_TRANSPOSE,
                     FLA_NONUNIT_DIAG, FLA_ONE, A, X );
 
  return FLA_SUCCESS;
}

References FLA_Check_error_level(), FLA_Copy_external(), FLA_LU_nopiv_solve_check(), FLA_Obj_is_identical(), FLA_ONE, and FLA_Trsm_external().

FLASH_LU_nopiv_solve()

FLA_Error FLASH_LU_nopiv_solve	(	FLA_Obj	A,
		FLA_Obj	B,
		FLA_Obj	X )

{
  // Check parameters.
  if ( FLA_Check_error_level() >= FLA_MIN_ERROR_CHECKING )
    FLA_LU_nopiv_solve_check( A, B, X );
 
  FLASH_Copy( B, X );
 
  FLASH_Trsm( FLA_LEFT, FLA_LOWER_TRIANGULAR, FLA_NO_TRANSPOSE,
              FLA_UNIT_DIAG, FLA_ONE, A, X );
  FLASH_Trsm( FLA_LEFT, FLA_UPPER_TRIANGULAR, FLA_NO_TRANSPOSE,
              FLA_NONUNIT_DIAG, FLA_ONE, A, X );
 
  return FLA_SUCCESS;
}