FLA_Apply_Q_UT_lhfc_blk_var2.c File Reference

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Functions
FLA_Error	FLA_Apply_Q_UT_lhfc_blk_var2 (FLA_Obj A, FLA_Obj T, FLA_Obj W, FLA_Obj B, fla_apqut_t *cntl)

Function Documentation

FLA_Apply_Q_UT_lhfc_blk_var2()

FLA_Error FLA_Apply_Q_UT_lhfc_blk_var2	(	FLA_Obj	A,
		FLA_Obj	T,
		FLA_Obj	W,
		FLA_Obj	B,
		fla_apqut_t *	cntl
	)

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

Referenced by FLA_Apply_Q_UT_lhfc().

{
  FLA_Obj BL,    BR,       B0,  B1,  B2;

  FLA_Obj WL,    WR,       W0,  W1,  W2;

  dim_t b;

  FLA_Part_1x2( B,    &BL,  &BR,      0, FLA_LEFT );

  FLA_Part_1x2( W,    &WL,  &WR,      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( WL,  /**/ WR,        &W0, /**/ &W1, &W2,
                           b, FLA_RIGHT );

    /*------------------------------------------------------------*/

    // B1 = Q' * B1;
    FLA_Apply_Q_UT_internal( FLA_LEFT, FLA_CONJ_TRANSPOSE, FLA_FORWARD, FLA_COLUMNWISE,
                             A, T, W1, B1,
                             FLA_Cntl_sub_apqut( cntl ) );

    /*------------------------------------------------------------*/

    FLA_Cont_with_1x3_to_1x2( &BL,  /**/ &BR,        B0, B1, /**/ B2,
                              FLA_LEFT );

    FLA_Cont_with_1x3_to_1x2( &WL,  /**/ &WR,        W0, W1, /**/ W2,
                              FLA_LEFT );
  }

  return FLA_SUCCESS;
}