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Functions
FLA_Trinv_uu.h File Reference

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Functions

FLA_Error FLA_Trinv_uu_blk_var1 (FLA_Obj A, fla_trinv_t *cntl)
FLA_Error FLA_Trinv_uu_blk_var2 (FLA_Obj A, fla_trinv_t *cntl)
FLA_Error FLA_Trinv_uu_blk_var3 (FLA_Obj A, fla_trinv_t *cntl)
FLA_Error FLA_Trinv_uu_blk_var4 (FLA_Obj A, fla_trinv_t *cntl)
FLA_Error FLA_Trinv_uu_unb_var1 (FLA_Obj A)
FLA_Error FLA_Trinv_uu_unb_var2 (FLA_Obj A)
FLA_Error FLA_Trinv_uu_unb_var3 (FLA_Obj A)
FLA_Error FLA_Trinv_uu_unb_var4 (FLA_Obj A)
FLA_Error FLA_Trinv_uu_opt_var1 (FLA_Obj A)
FLA_Error FLA_Trinv_uu_ops_var1 (int mn_A, float *A, int rs_A, int cs_A)
FLA_Error FLA_Trinv_uu_opd_var1 (int mn_A, double *A, int rs_A, int cs_A)
FLA_Error FLA_Trinv_uu_opc_var1 (int mn_A, scomplex *A, int rs_A, int cs_A)
FLA_Error FLA_Trinv_uu_opz_var1 (int mn_A, dcomplex *A, int rs_A, int cs_A)
FLA_Error FLA_Trinv_uu_opt_var2 (FLA_Obj A)
FLA_Error FLA_Trinv_uu_ops_var2 (int mn_A, float *A, int rs_A, int cs_A)
FLA_Error FLA_Trinv_uu_opd_var2 (int mn_A, double *A, int rs_A, int cs_A)
FLA_Error FLA_Trinv_uu_opc_var2 (int mn_A, scomplex *A, int rs_A, int cs_A)
FLA_Error FLA_Trinv_uu_opz_var2 (int mn_A, dcomplex *A, int rs_A, int cs_A)
FLA_Error FLA_Trinv_uu_opt_var3 (FLA_Obj A)
FLA_Error FLA_Trinv_uu_ops_var3 (int mn_A, float *A, int rs_A, int cs_A)
FLA_Error FLA_Trinv_uu_opd_var3 (int mn_A, double *A, int rs_A, int cs_A)
FLA_Error FLA_Trinv_uu_opc_var3 (int mn_A, scomplex *A, int rs_A, int cs_A)
FLA_Error FLA_Trinv_uu_opz_var3 (int mn_A, dcomplex *A, int rs_A, int cs_A)
FLA_Error FLA_Trinv_uu_opt_var4 (FLA_Obj A)
FLA_Error FLA_Trinv_uu_ops_var4 (int mn_A, float *A, int rs_A, int cs_A)
FLA_Error FLA_Trinv_uu_opd_var4 (int mn_A, double *A, int rs_A, int cs_A)
FLA_Error FLA_Trinv_uu_opc_var4 (int mn_A, scomplex *A, int rs_A, int cs_A)
FLA_Error FLA_Trinv_uu_opz_var4 (int mn_A, dcomplex *A, int rs_A, int cs_A)

Function Documentation

References FLA_Cont_with_3x3_to_2x2(), FLA_Determine_blocksize(), FLA_MINUS_ONE, FLA_Obj_length(), FLA_ONE, FLA_Part_2x2(), FLA_Repart_2x2_to_3x3(), FLA_Trinv_internal(), FLA_Trmm_internal(), and FLA_Trsm_internal().

Referenced by FLA_Trinv_uu().

{
  FLA_Obj ATL,   ATR,      A00, A01, A02, 
          ABL,   ABR,      A10, A11, A12,
                           A20, A21, A22;

  dim_t b;

  FLA_Part_2x2( A,    &ATL, &ATR,
                      &ABL, &ABR,     0, 0, FLA_TL );

  while ( FLA_Obj_length( ATL ) < FLA_Obj_length( A ) ){

    b = FLA_Determine_blocksize( ABR, FLA_BR, FLA_Cntl_blocksize( cntl ) );

    FLA_Repart_2x2_to_3x3( ATL, /**/ ATR,       &A00, /**/ &A01, &A02,
                        /* ************* */   /* ******************** */
                                                &A10, /**/ &A11, &A12,
                           ABL, /**/ ABR,       &A20, /**/ &A21, &A22,
                           b, b, FLA_BR );

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

    // A01 = A00 * A01;
    FLA_Trmm_internal( FLA_LEFT, FLA_UPPER_TRIANGULAR, FLA_NO_TRANSPOSE, FLA_NONUNIT_DIAG, 
                       FLA_ONE, A00, A01, 
                       FLA_Cntl_sub_trmm( cntl ) );

    // A01 = -A01 / triuu( A11 );
    FLA_Trsm_internal( FLA_RIGHT, FLA_UPPER_TRIANGULAR, FLA_NO_TRANSPOSE, FLA_NONUNIT_DIAG, 
                       FLA_MINUS_ONE, A11, A01, 
                       FLA_Cntl_sub_trsm1( cntl ) );

    // A11 = inv( A11 );
    FLA_Trinv_internal( FLA_UPPER_TRIANGULAR, FLA_NONUNIT_DIAG, A11,
                        FLA_Cntl_sub_trinv( cntl ) );

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

    FLA_Cont_with_3x3_to_2x2( &ATL, /**/ &ATR,       A00, A01, /**/ A02,
                                                     A10, A11, /**/ A12,
                            /* ************** */  /* ****************** */
                              &ABL, /**/ &ABR,       A20, A21, /**/ A22,
                              FLA_TL );

  }

  return FLA_SUCCESS;
}

References FLA_Cont_with_3x3_to_2x2(), FLA_Determine_blocksize(), FLA_MINUS_ONE, FLA_Obj_length(), FLA_ONE, FLA_Part_2x2(), FLA_Repart_2x2_to_3x3(), FLA_Trinv_internal(), and FLA_Trsm_internal().

Referenced by FLA_Trinv_uu().

{
  FLA_Obj ATL,   ATR,      A00, A01, A02, 
          ABL,   ABR,      A10, A11, A12,
                           A20, A21, A22;

  dim_t b;

  FLA_Part_2x2( A,    &ATL, &ATR,
                      &ABL, &ABR,     0, 0, FLA_TL );

  while ( FLA_Obj_length( ATL ) < FLA_Obj_length( A ) ){

    b = FLA_Determine_blocksize( ABR, FLA_BR, FLA_Cntl_blocksize( cntl ) );

    FLA_Repart_2x2_to_3x3( ATL, /**/ ATR,       &A00, /**/ &A01, &A02,
                        /* ************* */   /* ******************** */
                                                &A10, /**/ &A11, &A12,
                           ABL, /**/ ABR,       &A20, /**/ &A21, &A22,
                           b, b, FLA_BR );

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

    // A12 = A12 / triuu( A22 );
    FLA_Trsm_internal( FLA_RIGHT, FLA_UPPER_TRIANGULAR, FLA_NO_TRANSPOSE, FLA_NONUNIT_DIAG, 
                       FLA_ONE, A22, A12,
                       FLA_Cntl_sub_trsm1( cntl ) );

    // A12 = -triuu( A11 ) \ A12;
    FLA_Trsm_internal( FLA_LEFT, FLA_UPPER_TRIANGULAR, FLA_NO_TRANSPOSE, FLA_NONUNIT_DIAG, 
                       FLA_MINUS_ONE, A11, A12,
                       FLA_Cntl_sub_trsm2( cntl ) );

    // A11 = inv( A11 );
    FLA_Trinv_internal( FLA_UPPER_TRIANGULAR, FLA_NONUNIT_DIAG, A11,
                        FLA_Cntl_sub_trinv( cntl ) );

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

    FLA_Cont_with_3x3_to_2x2( &ATL, /**/ &ATR,       A00, A01, /**/ A02,
                                                     A10, A11, /**/ A12,
                            /* ************** */  /* ****************** */
                              &ABL, /**/ &ABR,       A20, A21, /**/ A22,
                              FLA_TL );

  }

  return FLA_SUCCESS;
}

References FLA_Cont_with_3x3_to_2x2(), FLA_Determine_blocksize(), FLA_Gemm_internal(), FLA_MINUS_ONE, FLA_Obj_length(), FLA_ONE, FLA_Part_2x2(), FLA_Repart_2x2_to_3x3(), FLA_Trinv_internal(), and FLA_Trsm_internal().

Referenced by FLA_Trinv_uu().

{
  FLA_Obj ATL,   ATR,      A00, A01, A02, 
          ABL,   ABR,      A10, A11, A12,
                           A20, A21, A22;

  dim_t b;

  FLA_Part_2x2( A,    &ATL, &ATR,
                      &ABL, &ABR,     0, 0, FLA_TL );

  while ( FLA_Obj_length( ATL ) < FLA_Obj_length( A ) ){

    b = FLA_Determine_blocksize( ABR, FLA_BR, FLA_Cntl_blocksize( cntl ) );

    FLA_Repart_2x2_to_3x3( ATL, /**/ ATR,       &A00, /**/ &A01, &A02,
                        /* ************* */   /* ******************** */
                                                &A10, /**/ &A11, &A12,
                           ABL, /**/ ABR,       &A20, /**/ &A21, &A22,
                           b, b, FLA_BR );

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

    // A12 = -triuu( A11 ) \ A12;
    FLA_Trsm_internal( FLA_LEFT, FLA_UPPER_TRIANGULAR, FLA_NO_TRANSPOSE, FLA_NONUNIT_DIAG, 
                       FLA_MINUS_ONE, A11, A12, 
                       FLA_Cntl_sub_trsm1( cntl ) );

    // A02 = A01 * A12 + A02;
    FLA_Gemm_internal( FLA_NO_TRANSPOSE, FLA_NO_TRANSPOSE,
                       FLA_ONE, A01, A12, FLA_ONE, A02, 
                       FLA_Cntl_sub_gemm( cntl ) );

    // A01 = A01 / triuu( A11 );
    FLA_Trsm_internal( FLA_RIGHT, FLA_UPPER_TRIANGULAR, FLA_NO_TRANSPOSE, FLA_NONUNIT_DIAG, 
                       FLA_ONE, A11, A01, 
                       FLA_Cntl_sub_trsm2( cntl ) );

    // A11 = inv( A11 );
    FLA_Trinv_internal( FLA_UPPER_TRIANGULAR, FLA_NONUNIT_DIAG, A11,
                        FLA_Cntl_sub_trinv( cntl ) );

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

    FLA_Cont_with_3x3_to_2x2( &ATL, /**/ &ATR,       A00, A01, /**/ A02,
                                                     A10, A11, /**/ A12,
                            /* ************** */  /* ****************** */
                              &ABL, /**/ &ABR,       A20, A21, /**/ A22,
                              FLA_TL );

  }

  return FLA_SUCCESS;
}

References FLA_Cont_with_3x3_to_2x2(), FLA_Determine_blocksize(), FLA_Gemm_internal(), FLA_MINUS_ONE, FLA_Obj_length(), FLA_ONE, FLA_Part_2x2(), FLA_Repart_2x2_to_3x3(), FLA_Trinv_internal(), FLA_Trmm_internal(), and FLA_Trsm_internal().

Referenced by FLA_Trinv_uu().

{
  FLA_Obj ATL,   ATR,      A00, A01, A02, 
          ABL,   ABR,      A10, A11, A12,
                           A20, A21, A22;

  dim_t b;

  FLA_Part_2x2( A,    &ATL, &ATR,
                      &ABL, &ABR,     0, 0, FLA_TL );

  while ( FLA_Obj_length( ATL ) < FLA_Obj_length( A ) ){

    b = FLA_Determine_blocksize( ABR, FLA_BR, FLA_Cntl_blocksize( cntl ) );

    FLA_Repart_2x2_to_3x3( ATL, /**/ ATR,       &A00, /**/ &A01, &A02,
                        /* ************* */   /* ******************** */
                                                &A10, /**/ &A11, &A12,
                           ABL, /**/ ABR,       &A20, /**/ &A21, &A22,
                           b, b, FLA_BR );

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

    // A12 = -A12 / triuu( A22 );
    FLA_Trsm_internal( FLA_RIGHT, FLA_UPPER_TRIANGULAR, FLA_NO_TRANSPOSE, FLA_NONUNIT_DIAG, 
                       FLA_MINUS_ONE, A22, A12, 
                       FLA_Cntl_sub_trsm1( cntl ) );

    // A02 = -A01 * A12 + A02;
    FLA_Gemm_internal( FLA_NO_TRANSPOSE, FLA_NO_TRANSPOSE,
                       FLA_MINUS_ONE, A01, A12, FLA_ONE, A02, 
                       FLA_Cntl_sub_gemm( cntl ) );

    // A01 = A00 * A01;
    FLA_Trmm_internal( FLA_LEFT, FLA_UPPER_TRIANGULAR, FLA_NO_TRANSPOSE, FLA_NONUNIT_DIAG, 
                       FLA_ONE, A00, A01, 
                       FLA_Cntl_sub_trmm( cntl ) );

    // A11 = inv( A11 );
    FLA_Trinv_internal( FLA_UPPER_TRIANGULAR, FLA_NONUNIT_DIAG, A11,
                        FLA_Cntl_sub_trinv( cntl ) );

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

    FLA_Cont_with_3x3_to_2x2( &ATL, /**/ &ATR,       A00, A01, /**/ A02,
                                                     A10, A11, /**/ A12,
                            /* ************** */  /* ****************** */
                              &ABL, /**/ &ABR,       A20, A21, /**/ A22,
                              FLA_TL );

  }

  return FLA_SUCCESS;
}
FLA_Error FLA_Trinv_uu_opc_var1 ( int  mn_A,
scomplex A,
int  rs_A,
int  cs_A 
)

References bl1_cscalv(), bl1_ctrmv(), BLIS1_NO_CONJUGATE, BLIS1_NO_TRANSPOSE, BLIS1_UNIT_DIAG, BLIS1_UPPER_TRIANGULAR, and FLA_MINUS_ONE.

Referenced by FLA_Trinv_uu_opt_var1().

{
  scomplex* buff_m1 = FLA_COMPLEX_PTR( FLA_MINUS_ONE );
  int       i;

  for ( i = 0; i < mn_A; ++i )
  {
    scomplex* A00       = buff_A + (0  )*cs_A + (0  )*rs_A;
    scomplex* a01       = buff_A + (i  )*cs_A + (0  )*rs_A;

    int       mn_behind = i;

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

    // FLA_Trmv_external( FLA_UPPER_TRIANGULAR, FLA_NO_TRANSPOSE, FLA_UNIT_DIAG, A00, a01 );
    bl1_ctrmv( BLIS1_UPPER_TRIANGULAR,
               BLIS1_NO_TRANSPOSE,
               BLIS1_UNIT_DIAG,
               mn_behind,
               A00, rs_A, cs_A,
               a01, rs_A );

    // FLA_Scal_external( FLA_MINUS_ONE, a01 );
    bl1_cscalv( BLIS1_NO_CONJUGATE,
                mn_behind,
                buff_m1,
                a01, rs_A );

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

  }

  return FLA_SUCCESS;
}
FLA_Error FLA_Trinv_uu_opc_var2 ( int  mn_A,
scomplex A,
int  rs_A,
int  cs_A 
)

References bl1_cscalv(), bl1_ctrsv(), BLIS1_NO_CONJUGATE, BLIS1_TRANSPOSE, BLIS1_UNIT_DIAG, BLIS1_UPPER_TRIANGULAR, and FLA_MINUS_ONE.

Referenced by FLA_Trinv_uu_opt_var2().

{
  scomplex* buff_m1 = FLA_COMPLEX_PTR( FLA_MINUS_ONE );
  int       i;

  for ( i = 0; i < mn_A; ++i )
  {
    scomplex* a12t      = buff_A + (i+1)*cs_A + (i  )*rs_A;
    scomplex* A22       = buff_A + (i+1)*cs_A + (i+1)*rs_A;

    int       mn_ahead  = mn_A - i - 1;

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

    // FLA_Trsv_external( FLA_UPPER_TRIANGULAR, FLA_TRANSPOSE, FLA_UNIT_DIAG, A22, a12t );
    bl1_ctrsv( BLIS1_UPPER_TRIANGULAR,
               BLIS1_TRANSPOSE,
               BLIS1_UNIT_DIAG,
               mn_ahead,
               A22, rs_A, cs_A,
               a12t, cs_A );

    // FLA_Scal_external( FLA_MINUS_ONE, a12t );
    bl1_cscalv( BLIS1_NO_CONJUGATE,
                mn_ahead,
                buff_m1,
                a12t, cs_A );

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

  }

  return FLA_SUCCESS;
}
FLA_Error FLA_Trinv_uu_opc_var3 ( int  mn_A,
scomplex A,
int  rs_A,
int  cs_A 
)

References bl1_cger(), bl1_cscalv(), BLIS1_NO_CONJUGATE, FLA_MINUS_ONE, and FLA_ONE.

Referenced by FLA_Trinv_uu_opt_var3().

{
  scomplex* buff_1  = FLA_COMPLEX_PTR( FLA_ONE );
  scomplex* buff_m1 = FLA_COMPLEX_PTR( FLA_MINUS_ONE );
  int       i;

  for ( i = 0; i < mn_A; ++i )
  {
    scomplex* a01       = buff_A + (i  )*cs_A + (0  )*rs_A;
    scomplex* A02       = buff_A + (i+1)*cs_A + (0  )*rs_A;
    scomplex* a12t      = buff_A + (i+1)*cs_A + (i  )*rs_A;

    int       mn_ahead  = mn_A - i - 1;
    int       mn_behind = i;

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

    // FLA_Scal_external( FLA_MINUS_ONE, a12t );
    bl1_cscalv( BLIS1_NO_CONJUGATE,
                mn_ahead,
                buff_m1,
                a12t, cs_A );

    // FLA_Ger_external( FLA_ONE, a01, a12t, A02 );
    bl1_cger( BLIS1_NO_CONJUGATE,
              BLIS1_NO_CONJUGATE,
              mn_behind,
              mn_ahead,
              buff_1,
              a01, rs_A,
              a12t, cs_A,
              A02, rs_A, cs_A );

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

  }

  return FLA_SUCCESS;
}
FLA_Error FLA_Trinv_uu_opc_var4 ( int  mn_A,
scomplex A,
int  rs_A,
int  cs_A 
)

References bl1_cger(), bl1_cscalv(), bl1_ctrmv(), bl1_ctrsv(), BLIS1_NO_CONJUGATE, BLIS1_NO_TRANSPOSE, BLIS1_TRANSPOSE, BLIS1_UNIT_DIAG, BLIS1_UPPER_TRIANGULAR, and FLA_MINUS_ONE.

Referenced by FLA_Trinv_uu_opt_var4().

{
  scomplex* buff_m1 = FLA_COMPLEX_PTR( FLA_MINUS_ONE );
  int       i;

  for ( i = 0; i < mn_A; ++i )
  {
    scomplex* A00       = buff_A + (0  )*cs_A + (0  )*rs_A;
    scomplex* a01       = buff_A + (i  )*cs_A + (0  )*rs_A;
    scomplex* A02       = buff_A + (i+1)*cs_A + (0  )*rs_A;
    scomplex* a12t      = buff_A + (i+1)*cs_A + (i  )*rs_A;
    scomplex* A22       = buff_A + (i+1)*cs_A + (i+1)*rs_A;

    int       mn_ahead  = mn_A - i - 1;
    int       mn_behind = i;

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

    // FLA_Scal_external( FLA_MINUS_ONE, a12t );
    // FLA_Trsv_external( FLA_UPPER_TRIANGULAR, FLA_TRANSPOSE, FLA_UNIT_DIAG, A22, a12t );
    bl1_cscalv( BLIS1_NO_CONJUGATE,
                mn_ahead,
                buff_m1,
                a12t, cs_A );
    bl1_ctrsv( BLIS1_UPPER_TRIANGULAR,
               BLIS1_TRANSPOSE,
               BLIS1_UNIT_DIAG,
               mn_ahead,
               A22, rs_A, cs_A,
               a12t, cs_A );

    // FLA_Ger_external( FLA_MINUS_ONE, a01, a12t, A02 );
    bl1_cger( BLIS1_NO_CONJUGATE,
              BLIS1_NO_CONJUGATE,
              mn_behind,
              mn_ahead,
              buff_m1,
              a01, rs_A,
              a12t, cs_A,
              A02, rs_A, cs_A );

    // FLA_Trmv_external( FLA_UPPER_TRIANGULAR, FLA_NO_TRANSPOSE, FLA_UNIT_DIAG, A00, a01 );
    bl1_ctrmv( BLIS1_UPPER_TRIANGULAR,
               BLIS1_NO_TRANSPOSE,
               BLIS1_UNIT_DIAG,
               mn_behind,
               A00, rs_A, cs_A,
               a01, rs_A );

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

  }

  return FLA_SUCCESS;
}
FLA_Error FLA_Trinv_uu_opd_var1 ( int  mn_A,
double *  A,
int  rs_A,
int  cs_A 
)

References bl1_dscalv(), bl1_dtrmv(), BLIS1_NO_CONJUGATE, BLIS1_NO_TRANSPOSE, BLIS1_UNIT_DIAG, BLIS1_UPPER_TRIANGULAR, and FLA_MINUS_ONE.

Referenced by FLA_Trinv_uu_opt_var1().

{
  double*   buff_m1 = FLA_DOUBLE_PTR( FLA_MINUS_ONE );
  int       i;

  for ( i = 0; i < mn_A; ++i )
  {
    double*   A00       = buff_A + (0  )*cs_A + (0  )*rs_A;
    double*   a01       = buff_A + (i  )*cs_A + (0  )*rs_A;

    int       mn_behind = i;

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

    // FLA_Trmv_external( FLA_UPPER_TRIANGULAR, FLA_NO_TRANSPOSE, FLA_UNIT_DIAG, A00, a01 );
    bl1_dtrmv( BLIS1_UPPER_TRIANGULAR,
               BLIS1_NO_TRANSPOSE,
               BLIS1_UNIT_DIAG,
               mn_behind,
               A00, rs_A, cs_A,
               a01, rs_A );

    // FLA_Scal_external( FLA_MINUS_ONE, a01 );
    bl1_dscalv( BLIS1_NO_CONJUGATE,
                mn_behind,
                buff_m1,
                a01, rs_A );

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

  }

  return FLA_SUCCESS;
}
FLA_Error FLA_Trinv_uu_opd_var2 ( int  mn_A,
double *  A,
int  rs_A,
int  cs_A 
)

References bl1_dscalv(), bl1_dtrsv(), BLIS1_NO_CONJUGATE, BLIS1_TRANSPOSE, BLIS1_UNIT_DIAG, BLIS1_UPPER_TRIANGULAR, and FLA_MINUS_ONE.

Referenced by FLA_Trinv_uu_opt_var2().

{
  double*   buff_m1 = FLA_DOUBLE_PTR( FLA_MINUS_ONE );
  int       i;

  for ( i = 0; i < mn_A; ++i )
  {
    double*   a12t      = buff_A + (i+1)*cs_A + (i  )*rs_A;
    double*   A22       = buff_A + (i+1)*cs_A + (i+1)*rs_A;

    int       mn_ahead  = mn_A - i - 1;

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

    // FLA_Trsv_external( FLA_UPPER_TRIANGULAR, FLA_TRANSPOSE, FLA_UNIT_DIAG, A22, a12t );
    bl1_dtrsv( BLIS1_UPPER_TRIANGULAR,
               BLIS1_TRANSPOSE,
               BLIS1_UNIT_DIAG,
               mn_ahead,
               A22, rs_A, cs_A,
               a12t, cs_A );

    // FLA_Scal_external( FLA_MINUS_ONE, a12t );
    bl1_dscalv( BLIS1_NO_CONJUGATE,
                mn_ahead,
                buff_m1,
                a12t, cs_A );

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

  }

  return FLA_SUCCESS;
}
FLA_Error FLA_Trinv_uu_opd_var3 ( int  mn_A,
double *  A,
int  rs_A,
int  cs_A 
)

References bl1_dger(), bl1_dscalv(), BLIS1_NO_CONJUGATE, FLA_MINUS_ONE, and FLA_ONE.

Referenced by FLA_Trinv_uu_opt_var3().

{
  double*   buff_1  = FLA_DOUBLE_PTR( FLA_ONE );
  double*   buff_m1 = FLA_DOUBLE_PTR( FLA_MINUS_ONE );
  int       i;

  for ( i = 0; i < mn_A; ++i )
  {
    double*   a01       = buff_A + (i  )*cs_A + (0  )*rs_A;
    double*   A02       = buff_A + (i+1)*cs_A + (0  )*rs_A;
    double*   a12t      = buff_A + (i+1)*cs_A + (i  )*rs_A;

    int       mn_ahead  = mn_A - i - 1;
    int       mn_behind = i;

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

    // FLA_Scal_external( FLA_MINUS_ONE, a12t );
    bl1_dscalv( BLIS1_NO_CONJUGATE,
                mn_ahead,
                buff_m1,
                a12t, cs_A );

    // FLA_Ger_external( FLA_ONE, a01, a12t, A02 );
    bl1_dger( BLIS1_NO_CONJUGATE,
              BLIS1_NO_CONJUGATE,
              mn_behind,
              mn_ahead,
              buff_1,
              a01, rs_A,
              a12t, cs_A,
              A02, rs_A, cs_A );

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

  }

  return FLA_SUCCESS;
}
FLA_Error FLA_Trinv_uu_opd_var4 ( int  mn_A,
double *  A,
int  rs_A,
int  cs_A 
)

References bl1_dger(), bl1_dscalv(), bl1_dtrmv(), bl1_dtrsv(), BLIS1_NO_CONJUGATE, BLIS1_NO_TRANSPOSE, BLIS1_TRANSPOSE, BLIS1_UNIT_DIAG, BLIS1_UPPER_TRIANGULAR, and FLA_MINUS_ONE.

Referenced by FLA_Trinv_uu_opt_var4().

{
  double*   buff_m1 = FLA_DOUBLE_PTR( FLA_MINUS_ONE );
  int       i;

  for ( i = 0; i < mn_A; ++i )
  {
    double*   A00       = buff_A + (0  )*cs_A + (0  )*rs_A;
    double*   a01       = buff_A + (i  )*cs_A + (0  )*rs_A;
    double*   A02       = buff_A + (i+1)*cs_A + (0  )*rs_A;
    double*   a12t      = buff_A + (i+1)*cs_A + (i  )*rs_A;
    double*   A22       = buff_A + (i+1)*cs_A + (i+1)*rs_A;

    int       mn_ahead  = mn_A - i - 1;
    int       mn_behind = i;

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

    // FLA_Scal_external( FLA_MINUS_ONE, a12t );
    // FLA_Trsv_external( FLA_UPPER_TRIANGULAR, FLA_TRANSPOSE, FLA_UNIT_DIAG, A22, a12t );
    bl1_dscalv( BLIS1_NO_CONJUGATE,
                mn_ahead,
                buff_m1,
                a12t, cs_A );
    bl1_dtrsv( BLIS1_UPPER_TRIANGULAR,
               BLIS1_TRANSPOSE,
               BLIS1_UNIT_DIAG,
               mn_ahead,
               A22, rs_A, cs_A,
               a12t, cs_A );

    // FLA_Ger_external( FLA_MINUS_ONE, a01, a12t, A02 );
    bl1_dger( BLIS1_NO_CONJUGATE,
              BLIS1_NO_CONJUGATE,
              mn_behind,
              mn_ahead,
              buff_m1,
              a01, rs_A,
              a12t, cs_A,
              A02, rs_A, cs_A );

    // FLA_Trmv_external( FLA_UPPER_TRIANGULAR, FLA_NO_TRANSPOSE, FLA_UNIT_DIAG, A00, a01 );
    bl1_dtrmv( BLIS1_UPPER_TRIANGULAR,
               BLIS1_NO_TRANSPOSE,
               BLIS1_UNIT_DIAG,
               mn_behind,
               A00, rs_A, cs_A,
               a01, rs_A );

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

  }

  return FLA_SUCCESS;
}
FLA_Error FLA_Trinv_uu_ops_var1 ( int  mn_A,
float *  A,
int  rs_A,
int  cs_A 
)

References bl1_sscalv(), bl1_strmv(), BLIS1_NO_CONJUGATE, BLIS1_NO_TRANSPOSE, BLIS1_UNIT_DIAG, BLIS1_UPPER_TRIANGULAR, and FLA_MINUS_ONE.

Referenced by FLA_Trinv_uu_opt_var1().

{
  float*    buff_m1 = FLA_FLOAT_PTR( FLA_MINUS_ONE );
  int       i;

  for ( i = 0; i < mn_A; ++i )
  {
    float*    A00       = buff_A + (0  )*cs_A + (0  )*rs_A;
    float*    a01       = buff_A + (i  )*cs_A + (0  )*rs_A;

    int       mn_behind = i;

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

    // FLA_Trmv_external( FLA_UPPER_TRIANGULAR, FLA_NO_TRANSPOSE, FLA_UNIT_DIAG, A00, a01 );
    bl1_strmv( BLIS1_UPPER_TRIANGULAR,
               BLIS1_NO_TRANSPOSE,
               BLIS1_UNIT_DIAG,
               mn_behind,
               A00, rs_A, cs_A,
               a01, rs_A );

    // FLA_Scal_external( FLA_MINUS_ONE, a01 );
    bl1_sscalv( BLIS1_NO_CONJUGATE,
                mn_behind,
                buff_m1,
                a01, rs_A );

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

  }

  return FLA_SUCCESS;
}
FLA_Error FLA_Trinv_uu_ops_var2 ( int  mn_A,
float *  A,
int  rs_A,
int  cs_A 
)

References bl1_sscalv(), bl1_strsv(), BLIS1_NO_CONJUGATE, BLIS1_TRANSPOSE, BLIS1_UNIT_DIAG, BLIS1_UPPER_TRIANGULAR, and FLA_MINUS_ONE.

Referenced by FLA_Trinv_uu_opt_var2().

{
  float*    buff_m1 = FLA_FLOAT_PTR( FLA_MINUS_ONE );
  int       i;

  for ( i = 0; i < mn_A; ++i )
  {
    float*    a12t      = buff_A + (i+1)*cs_A + (i  )*rs_A;
    float*    A22       = buff_A + (i+1)*cs_A + (i+1)*rs_A;

    int       mn_ahead  = mn_A - i - 1;

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

    // FLA_Trsv_external( FLA_UPPER_TRIANGULAR, FLA_TRANSPOSE, FLA_UNIT_DIAG, A22, a12t );
    bl1_strsv( BLIS1_UPPER_TRIANGULAR,
               BLIS1_TRANSPOSE,
               BLIS1_UNIT_DIAG,
               mn_ahead,
               A22, rs_A, cs_A,
               a12t, cs_A );

    // FLA_Scal_external( FLA_MINUS_ONE, a12t );
    bl1_sscalv( BLIS1_NO_CONJUGATE,
                mn_ahead,
                buff_m1,
                a12t, cs_A );

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

  }

  return FLA_SUCCESS;
}
FLA_Error FLA_Trinv_uu_ops_var3 ( int  mn_A,
float *  A,
int  rs_A,
int  cs_A 
)

References bl1_sger(), bl1_sscalv(), BLIS1_NO_CONJUGATE, FLA_MINUS_ONE, and FLA_ONE.

Referenced by FLA_Trinv_uu_opt_var3().

{
  float*    buff_1  = FLA_FLOAT_PTR( FLA_ONE );
  float*    buff_m1 = FLA_FLOAT_PTR( FLA_MINUS_ONE );
  int       i;

  for ( i = 0; i < mn_A; ++i )
  {
    float*    a01       = buff_A + (i  )*cs_A + (0  )*rs_A;
    float*    A02       = buff_A + (i+1)*cs_A + (0  )*rs_A;
    float*    a12t      = buff_A + (i+1)*cs_A + (i  )*rs_A;

    int       mn_ahead  = mn_A - i - 1;
    int       mn_behind = i;

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

    // FLA_Scal_external( FLA_MINUS_ONE, a12t );
    bl1_sscalv( BLIS1_NO_CONJUGATE,
                mn_ahead,
                buff_m1,
                a12t, cs_A );

    // FLA_Ger_external( FLA_ONE, a01, a12t, A02 );
    bl1_sger( BLIS1_NO_CONJUGATE,
              BLIS1_NO_CONJUGATE,
              mn_behind,
              mn_ahead,
              buff_1,
              a01, rs_A,
              a12t, cs_A,
              A02, rs_A, cs_A );

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

  }

  return FLA_SUCCESS;
}
FLA_Error FLA_Trinv_uu_ops_var4 ( int  mn_A,
float *  A,
int  rs_A,
int  cs_A 
)

References bl1_sger(), bl1_sscalv(), bl1_strmv(), bl1_strsv(), BLIS1_NO_CONJUGATE, BLIS1_NO_TRANSPOSE, BLIS1_TRANSPOSE, BLIS1_UNIT_DIAG, BLIS1_UPPER_TRIANGULAR, and FLA_MINUS_ONE.

Referenced by FLA_Trinv_uu_opt_var4().

{
  float*    buff_m1 = FLA_FLOAT_PTR( FLA_MINUS_ONE );
  int       i;

  for ( i = 0; i < mn_A; ++i )
  {
    float*    A00       = buff_A + (0  )*cs_A + (0  )*rs_A;
    float*    a01       = buff_A + (i  )*cs_A + (0  )*rs_A;
    float*    A02       = buff_A + (i+1)*cs_A + (0  )*rs_A;
    float*    a12t      = buff_A + (i+1)*cs_A + (i  )*rs_A;
    float*    A22       = buff_A + (i+1)*cs_A + (i+1)*rs_A;

    int       mn_ahead  = mn_A - i - 1;
    int       mn_behind = i;

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

    // FLA_Scal_external( FLA_MINUS_ONE, a12t );
    // FLA_Trsv_external( FLA_UPPER_TRIANGULAR, FLA_TRANSPOSE, FLA_UNIT_DIAG, A22, a12t );
    bl1_sscalv( BLIS1_NO_CONJUGATE,
                mn_ahead,
                buff_m1,
                a12t, cs_A );
    bl1_strsv( BLIS1_UPPER_TRIANGULAR,
               BLIS1_TRANSPOSE,
               BLIS1_UNIT_DIAG,
               mn_ahead,
               A22, rs_A, cs_A,
               a12t, cs_A );

    // FLA_Ger_external( FLA_MINUS_ONE, a01, a12t, A02 );
    bl1_sger( BLIS1_NO_CONJUGATE,
              BLIS1_NO_CONJUGATE,
              mn_behind,
              mn_ahead,
              buff_m1,
              a01, rs_A,
              a12t, cs_A,
              A02, rs_A, cs_A );

    // FLA_Trmv_external( FLA_UPPER_TRIANGULAR, FLA_NO_TRANSPOSE, FLA_UNIT_DIAG, A00, a01 );
    bl1_strmv( BLIS1_UPPER_TRIANGULAR,
               BLIS1_NO_TRANSPOSE,
               BLIS1_UNIT_DIAG,
               mn_behind,
               A00, rs_A, cs_A,
               a01, rs_A );

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

  }

  return FLA_SUCCESS;
}

References FLA_Obj_col_stride(), FLA_Obj_datatype(), FLA_Obj_length(), FLA_Obj_row_stride(), FLA_Trinv_uu_opc_var1(), FLA_Trinv_uu_opd_var1(), FLA_Trinv_uu_ops_var1(), and FLA_Trinv_uu_opz_var1().

Referenced by FLA_Trinv_uu().

{
  FLA_Datatype datatype;
  int          mn_A;
  int          rs_A, cs_A;

  datatype = FLA_Obj_datatype( A );

  mn_A     = FLA_Obj_length( A );
  rs_A     = FLA_Obj_row_stride( A );
  cs_A     = FLA_Obj_col_stride( A );
  

  switch ( datatype )
  {
    case FLA_FLOAT:
    {
      float* buff_A = FLA_FLOAT_PTR( A );

      FLA_Trinv_uu_ops_var1( mn_A,
                             buff_A, rs_A, cs_A );

      break;
    }

    case FLA_DOUBLE:
    {
      double* buff_A = FLA_DOUBLE_PTR( A );

      FLA_Trinv_uu_opd_var1( mn_A,
                             buff_A, rs_A, cs_A );

      break;
    }

    case FLA_COMPLEX:
    {
      scomplex* buff_A = FLA_COMPLEX_PTR( A );

      FLA_Trinv_uu_opc_var1( mn_A,
                             buff_A, rs_A, cs_A );

      break;
    }

    case FLA_DOUBLE_COMPLEX:
    {
      dcomplex* buff_A = FLA_DOUBLE_COMPLEX_PTR( A );

      FLA_Trinv_uu_opz_var1( mn_A,
                             buff_A, rs_A, cs_A );

      break;
    }
  }

  return FLA_SUCCESS;
}

References FLA_Obj_col_stride(), FLA_Obj_datatype(), FLA_Obj_length(), FLA_Obj_row_stride(), FLA_Trinv_uu_opc_var2(), FLA_Trinv_uu_opd_var2(), FLA_Trinv_uu_ops_var2(), and FLA_Trinv_uu_opz_var2().

Referenced by FLA_Trinv_uu().

{
  FLA_Datatype datatype;
  int          mn_A;
  int          rs_A, cs_A;

  datatype = FLA_Obj_datatype( A );

  mn_A     = FLA_Obj_length( A );
  rs_A     = FLA_Obj_row_stride( A );
  cs_A     = FLA_Obj_col_stride( A );
  

  switch ( datatype )
  {
    case FLA_FLOAT:
    {
      float* buff_A = FLA_FLOAT_PTR( A );

      FLA_Trinv_uu_ops_var2( mn_A,
                             buff_A, rs_A, cs_A );

      break;
    }

    case FLA_DOUBLE:
    {
      double* buff_A = FLA_DOUBLE_PTR( A );

      FLA_Trinv_uu_opd_var2( mn_A,
                             buff_A, rs_A, cs_A );

      break;
    }

    case FLA_COMPLEX:
    {
      scomplex* buff_A = FLA_COMPLEX_PTR( A );

      FLA_Trinv_uu_opc_var2( mn_A,
                             buff_A, rs_A, cs_A );

      break;
    }

    case FLA_DOUBLE_COMPLEX:
    {
      dcomplex* buff_A = FLA_DOUBLE_COMPLEX_PTR( A );

      FLA_Trinv_uu_opz_var2( mn_A,
                             buff_A, rs_A, cs_A );

      break;
    }
  }

  return FLA_SUCCESS;
}

References FLA_Obj_col_stride(), FLA_Obj_datatype(), FLA_Obj_length(), FLA_Obj_row_stride(), FLA_Trinv_uu_opc_var3(), FLA_Trinv_uu_opd_var3(), FLA_Trinv_uu_ops_var3(), and FLA_Trinv_uu_opz_var3().

Referenced by FLA_Trinv_uu().

{
  FLA_Datatype datatype;
  int          mn_A;
  int          rs_A, cs_A;

  datatype = FLA_Obj_datatype( A );

  mn_A     = FLA_Obj_length( A );
  rs_A     = FLA_Obj_row_stride( A );
  cs_A     = FLA_Obj_col_stride( A );
  

  switch ( datatype )
  {
    case FLA_FLOAT:
    {
      float* buff_A = FLA_FLOAT_PTR( A );

      FLA_Trinv_uu_ops_var3( mn_A,
                             buff_A, rs_A, cs_A );

      break;
    }

    case FLA_DOUBLE:
    {
      double* buff_A = FLA_DOUBLE_PTR( A );

      FLA_Trinv_uu_opd_var3( mn_A,
                             buff_A, rs_A, cs_A );

      break;
    }

    case FLA_COMPLEX:
    {
      scomplex* buff_A = FLA_COMPLEX_PTR( A );

      FLA_Trinv_uu_opc_var3( mn_A,
                             buff_A, rs_A, cs_A );

      break;
    }

    case FLA_DOUBLE_COMPLEX:
    {
      dcomplex* buff_A = FLA_DOUBLE_COMPLEX_PTR( A );

      FLA_Trinv_uu_opz_var3( mn_A,
                             buff_A, rs_A, cs_A );

      break;
    }
  }

  return FLA_SUCCESS;
}

References FLA_Obj_col_stride(), FLA_Obj_datatype(), FLA_Obj_length(), FLA_Obj_row_stride(), FLA_Trinv_uu_opc_var4(), FLA_Trinv_uu_opd_var4(), FLA_Trinv_uu_ops_var4(), and FLA_Trinv_uu_opz_var4().

Referenced by FLA_Trinv_uu().

{
  FLA_Datatype datatype;
  int          mn_A;
  int          rs_A, cs_A;

  datatype = FLA_Obj_datatype( A );

  mn_A     = FLA_Obj_length( A );
  rs_A     = FLA_Obj_row_stride( A );
  cs_A     = FLA_Obj_col_stride( A );
  

  switch ( datatype )
  {
    case FLA_FLOAT:
    {
      float* buff_A = FLA_FLOAT_PTR( A );

      FLA_Trinv_uu_ops_var4( mn_A,
                             buff_A, rs_A, cs_A );

      break;
    }

    case FLA_DOUBLE:
    {
      double* buff_A = FLA_DOUBLE_PTR( A );

      FLA_Trinv_uu_opd_var4( mn_A,
                             buff_A, rs_A, cs_A );

      break;
    }

    case FLA_COMPLEX:
    {
      scomplex* buff_A = FLA_COMPLEX_PTR( A );

      FLA_Trinv_uu_opc_var4( mn_A,
                             buff_A, rs_A, cs_A );

      break;
    }

    case FLA_DOUBLE_COMPLEX:
    {
      dcomplex* buff_A = FLA_DOUBLE_COMPLEX_PTR( A );

      FLA_Trinv_uu_opz_var4( mn_A,
                             buff_A, rs_A, cs_A );

      break;
    }
  }

  return FLA_SUCCESS;
}
FLA_Error FLA_Trinv_uu_opz_var1 ( int  mn_A,
dcomplex A,
int  rs_A,
int  cs_A 
)

References bl1_zscalv(), bl1_ztrmv(), BLIS1_NO_CONJUGATE, BLIS1_NO_TRANSPOSE, BLIS1_UNIT_DIAG, BLIS1_UPPER_TRIANGULAR, and FLA_MINUS_ONE.

Referenced by FLA_Trinv_uu_opt_var1().

{
  dcomplex* buff_m1 = FLA_DOUBLE_COMPLEX_PTR( FLA_MINUS_ONE );
  int       i;

  for ( i = 0; i < mn_A; ++i )
  {
    dcomplex* A00       = buff_A + (0  )*cs_A + (0  )*rs_A;
    dcomplex* a01       = buff_A + (i  )*cs_A + (0  )*rs_A;

    int       mn_behind = i;

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

    // FLA_Trmv_external( FLA_UPPER_TRIANGULAR, FLA_NO_TRANSPOSE, FLA_UNIT_DIAG, A00, a01 );
    bl1_ztrmv( BLIS1_UPPER_TRIANGULAR,
               BLIS1_NO_TRANSPOSE,
               BLIS1_UNIT_DIAG,
               mn_behind,
               A00, rs_A, cs_A,
               a01, rs_A );

    // FLA_Scal_external( FLA_MINUS_ONE, a01 );
    bl1_zscalv( BLIS1_NO_CONJUGATE,
                mn_behind,
                buff_m1,
                a01, rs_A );

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

  }

  return FLA_SUCCESS;
}
FLA_Error FLA_Trinv_uu_opz_var2 ( int  mn_A,
dcomplex A,
int  rs_A,
int  cs_A 
)

References bl1_zscalv(), bl1_ztrsv(), BLIS1_NO_CONJUGATE, BLIS1_TRANSPOSE, BLIS1_UNIT_DIAG, BLIS1_UPPER_TRIANGULAR, and FLA_MINUS_ONE.

Referenced by FLA_Trinv_uu_opt_var2().

{
  dcomplex* buff_m1 = FLA_DOUBLE_COMPLEX_PTR( FLA_MINUS_ONE );
  int       i;

  for ( i = 0; i < mn_A; ++i )
  {
    dcomplex* a12t      = buff_A + (i+1)*cs_A + (i  )*rs_A;
    dcomplex* A22       = buff_A + (i+1)*cs_A + (i+1)*rs_A;

    int       mn_ahead  = mn_A - i - 1;

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

    // FLA_Trsv_external( FLA_UPPER_TRIANGULAR, FLA_TRANSPOSE, FLA_UNIT_DIAG, A22, a12t );
    bl1_ztrsv( BLIS1_UPPER_TRIANGULAR,
               BLIS1_TRANSPOSE,
               BLIS1_UNIT_DIAG,
               mn_ahead,
               A22, rs_A, cs_A,
               a12t, cs_A );

    // FLA_Scal_external( FLA_MINUS_ONE, a12t );
    bl1_zscalv( BLIS1_NO_CONJUGATE,
                mn_ahead,
                buff_m1,
                a12t, cs_A );

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

  }

  return FLA_SUCCESS;
}
FLA_Error FLA_Trinv_uu_opz_var3 ( int  mn_A,
dcomplex A,
int  rs_A,
int  cs_A 
)

References bl1_zger(), bl1_zscalv(), BLIS1_NO_CONJUGATE, FLA_MINUS_ONE, and FLA_ONE.

Referenced by FLA_Trinv_uu_opt_var3().

{
  dcomplex* buff_1  = FLA_DOUBLE_COMPLEX_PTR( FLA_ONE );
  dcomplex* buff_m1 = FLA_DOUBLE_COMPLEX_PTR( FLA_MINUS_ONE );
  int       i;

  for ( i = 0; i < mn_A; ++i )
  {
    dcomplex* a01       = buff_A + (i  )*cs_A + (0  )*rs_A;
    dcomplex* A02       = buff_A + (i+1)*cs_A + (0  )*rs_A;
    dcomplex* a12t      = buff_A + (i+1)*cs_A + (i  )*rs_A;

    int       mn_ahead  = mn_A - i - 1;
    int       mn_behind = i;

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

    // FLA_Scal_external( FLA_MINUS_ONE, a12t );
    bl1_zscalv( BLIS1_NO_CONJUGATE,
                mn_ahead,
                buff_m1,
                a12t, cs_A );

    // FLA_Ger_external( FLA_ONE, a01, a12t, A02 );
    bl1_zger( BLIS1_NO_CONJUGATE,
              BLIS1_NO_CONJUGATE,
              mn_behind,
              mn_ahead,
              buff_1,
              a01, rs_A,
              a12t, cs_A,
              A02, rs_A, cs_A );

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

  }

  return FLA_SUCCESS;
}
FLA_Error FLA_Trinv_uu_opz_var4 ( int  mn_A,
dcomplex A,
int  rs_A,
int  cs_A 
)

References bl1_zger(), bl1_zscalv(), bl1_ztrmv(), bl1_ztrsv(), BLIS1_NO_CONJUGATE, BLIS1_NO_TRANSPOSE, BLIS1_TRANSPOSE, BLIS1_UNIT_DIAG, BLIS1_UPPER_TRIANGULAR, and FLA_MINUS_ONE.

Referenced by FLA_Trinv_uu_opt_var4().

{
  dcomplex* buff_m1 = FLA_DOUBLE_COMPLEX_PTR( FLA_MINUS_ONE );
  int       i;

  for ( i = 0; i < mn_A; ++i )
  {
    dcomplex* A00       = buff_A + (0  )*cs_A + (0  )*rs_A;
    dcomplex* a01       = buff_A + (i  )*cs_A + (0  )*rs_A;
    dcomplex* A02       = buff_A + (i+1)*cs_A + (0  )*rs_A;
    dcomplex* a12t      = buff_A + (i+1)*cs_A + (i  )*rs_A;
    dcomplex* A22       = buff_A + (i+1)*cs_A + (i+1)*rs_A;

    int       mn_ahead  = mn_A - i - 1;
    int       mn_behind = i;

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

    // FLA_Scal_external( FLA_MINUS_ONE, a12t );
    // FLA_Trsv_external( FLA_UPPER_TRIANGULAR, FLA_TRANSPOSE, FLA_UNIT_DIAG, A22, a12t );
    bl1_zscalv( BLIS1_NO_CONJUGATE,
                mn_ahead,
                buff_m1,
                a12t, cs_A );
    bl1_ztrsv( BLIS1_UPPER_TRIANGULAR,
               BLIS1_TRANSPOSE,
               BLIS1_UNIT_DIAG,
               mn_ahead,
               A22, rs_A, cs_A,
               a12t, cs_A );

    // FLA_Ger_external( FLA_MINUS_ONE, a01, a12t, A02 );
    bl1_zger( BLIS1_NO_CONJUGATE,
              BLIS1_NO_CONJUGATE,
              mn_behind,
              mn_ahead,
              buff_m1,
              a01, rs_A,
              a12t, cs_A,
              A02, rs_A, cs_A );

    // FLA_Trmv_external( FLA_UPPER_TRIANGULAR, FLA_NO_TRANSPOSE, FLA_UNIT_DIAG, A00, a01 );
    bl1_ztrmv( BLIS1_UPPER_TRIANGULAR,
               BLIS1_NO_TRANSPOSE,
               BLIS1_UNIT_DIAG,
               mn_behind,
               A00, rs_A, cs_A,
               a01, rs_A );

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

  }

  return FLA_SUCCESS;
}

References FLA_Cont_with_3x3_to_2x2(), FLA_MINUS_ONE, FLA_Obj_length(), FLA_Part_2x2(), FLA_Repart_2x2_to_3x3(), FLA_Scal_external(), and FLA_Trmv_external().

Referenced by FLA_Trinv_uu().

{
  FLA_Obj ATL,   ATR,      A00,  a01,     A02, 
          ABL,   ABR,      a10t, alpha11, a12t,
                           A20,  a21,     A22;

  FLA_Part_2x2( A,    &ATL, &ATR,
                      &ABL, &ABR,     0, 0, FLA_TL );

  while ( FLA_Obj_length( ATL ) < FLA_Obj_length( A ) ){

    FLA_Repart_2x2_to_3x3( ATL, /**/ ATR,       &A00,  /**/ &a01,     &A02,
                        /* ************* */   /* ************************** */
                                                &a10t, /**/ &alpha11, &a12t,
                           ABL, /**/ ABR,       &A20,  /**/ &a21,     &A22,
                           1, 1, FLA_BR );

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

    // a01 = triuu( A00 ) * a01;
    FLA_Trmv_external( FLA_UPPER_TRIANGULAR, FLA_NO_TRANSPOSE, FLA_UNIT_DIAG, A00, a01 );

    // a01 = -a01;
    FLA_Scal_external( FLA_MINUS_ONE, a01 );

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

    FLA_Cont_with_3x3_to_2x2( &ATL, /**/ &ATR,       A00,  a01,     /**/ A02,
                                                     a10t, alpha11, /**/ a12t,
                            /* ************** */  /* ************************ */
                              &ABL, /**/ &ABR,       A20,  a21,     /**/ A22,
                              FLA_TL );

  }

  return FLA_SUCCESS;
}

References FLA_Cont_with_3x3_to_2x2(), FLA_MINUS_ONE, FLA_Obj_length(), FLA_Part_2x2(), FLA_Repart_2x2_to_3x3(), FLA_Scal_external(), and FLA_Trsv_external().

Referenced by FLA_Trinv_uu().

{
  FLA_Obj ATL,   ATR,      A00,  a01,     A02, 
          ABL,   ABR,      a10t, alpha11, a12t,
                           A20,  a21,     A22;

  FLA_Part_2x2( A,    &ATL, &ATR,
                      &ABL, &ABR,     0, 0, FLA_TL );

  while ( FLA_Obj_length( ATL ) < FLA_Obj_length( A ) ){

    FLA_Repart_2x2_to_3x3( ATL, /**/ ATR,       &A00,  /**/ &a01,     &A02,
                        /* ************* */   /* ************************** */
                                                &a10t, /**/ &alpha11, &a12t,
                           ABL, /**/ ABR,       &A20,  /**/ &a21,     &A22,
                           1, 1, FLA_BR );

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

    // a12t = a12t / triuu( A22' );
    FLA_Trsv_external( FLA_UPPER_TRIANGULAR, FLA_TRANSPOSE, FLA_UNIT_DIAG, A22, a12t );

    // a12t = -a12t;
    FLA_Scal_external( FLA_MINUS_ONE, a12t );

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

    FLA_Cont_with_3x3_to_2x2( &ATL, /**/ &ATR,       A00,  a01,     /**/ A02,
                                                     a10t, alpha11, /**/ a12t,
                            /* ************** */  /* ************************ */
                              &ABL, /**/ &ABR,       A20,  a21,     /**/ A22,
                              FLA_TL );

  }

  return FLA_SUCCESS;
}

References FLA_Cont_with_3x3_to_2x2(), FLA_Ger_external(), FLA_MINUS_ONE, FLA_Obj_length(), FLA_ONE, FLA_Part_2x2(), FLA_Repart_2x2_to_3x3(), and FLA_Scal_external().

Referenced by FLA_Trinv_uu().

{
  FLA_Obj ATL,   ATR,      A00,  a01,     A02, 
          ABL,   ABR,      a10t, alpha11, a12t,
                           A20,  a21,     A22;

  FLA_Part_2x2( A,    &ATL, &ATR,
                      &ABL, &ABR,     0, 0, FLA_TL );

  while ( FLA_Obj_length( ATL ) < FLA_Obj_length( A ) ){

    FLA_Repart_2x2_to_3x3( ATL, /**/ ATR,       &A00,  /**/ &a01,     &A02,
                        /* ************* */   /* ************************** */
                                                &a10t, /**/ &alpha11, &a12t,
                           ABL, /**/ ABR,       &A20,  /**/ &a21,     &A22,
                           1, 1, FLA_BR );

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

    // a12t = -a12t;
    FLA_Scal_external( FLA_MINUS_ONE, a12t );

    // A02 = a01 * a12t + A02;
    FLA_Ger_external( FLA_ONE, a01, a12t, A02 );

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

    FLA_Cont_with_3x3_to_2x2( &ATL, /**/ &ATR,       A00,  a01,     /**/ A02,
                                                     a10t, alpha11, /**/ a12t,
                            /* ************** */  /* ************************ */
                              &ABL, /**/ &ABR,       A20,  a21,     /**/ A22,
                              FLA_TL );

  }

  return FLA_SUCCESS;
}

References FLA_Cont_with_3x3_to_2x2(), FLA_Ger_external(), FLA_MINUS_ONE, FLA_Obj_length(), FLA_Part_2x2(), FLA_Repart_2x2_to_3x3(), FLA_Scal_external(), FLA_Trmv_external(), and FLA_Trsv_external().

Referenced by FLA_Trinv_uu().

{
  FLA_Obj ATL,   ATR,      A00,  a01,     A02, 
          ABL,   ABR,      a10t, alpha11, a12t,
                           A20,  a21,     A22;

  FLA_Part_2x2( A,    &ATL, &ATR,
                      &ABL, &ABR,     0, 0, FLA_TL );

  while ( FLA_Obj_length( ATL ) < FLA_Obj_length( A ) ){

    FLA_Repart_2x2_to_3x3( ATL, /**/ ATR,       &A00,  /**/ &a01,     &A02,
                        /* ************* */   /* ************************** */
                                                &a10t, /**/ &alpha11, &a12t,
                           ABL, /**/ ABR,       &A20,  /**/ &a21,     &A22,
                           1, 1, FLA_BR );

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

    // a12t = a12t / triuu( A22' );
    FLA_Scal_external( FLA_MINUS_ONE, a12t );
    FLA_Trsv_external( FLA_UPPER_TRIANGULAR, FLA_TRANSPOSE, FLA_UNIT_DIAG, A22, a12t );

    // A02 = a01 * a12t + A02;
    FLA_Ger_external( FLA_MINUS_ONE, a01, a12t, A02 );

    // a01 = triuu( A00 ) * a01;
    FLA_Trmv_external( FLA_UPPER_TRIANGULAR, FLA_NO_TRANSPOSE, FLA_UNIT_DIAG, A00, a01 );

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

    FLA_Cont_with_3x3_to_2x2( &ATL, /**/ &ATR,       A00,  a01,     /**/ A02,
                                                     a10t, alpha11, /**/ a12t,
                            /* ************** */  /* ************************ */
                              &ABL, /**/ &ABR,       A20,  a21,     /**/ A22,
                              FLA_TL );

  }

  return FLA_SUCCESS;
}