libflame  12600
Functions
FLA_Axpyt_n_blk_var3.c File Reference

(r12600)

Functions

FLA_Error FLA_Axpyt_n_blk_var3 (FLA_Obj alpha, FLA_Obj A, FLA_Obj B, fla_axpyt_t *cntl)

Function Documentation

FLA_Error FLA_Axpyt_n_blk_var3 ( FLA_Obj  alpha,
FLA_Obj  A,
FLA_Obj  B,
fla_axpyt_t cntl 
)

References FLA_Axpyt_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_Axpyt_n().

{
  FLA_Obj AL,    AR,       A0,  A1,  A2;

  FLA_Obj BL,    BR,       B0,  B1,  B2;

  dim_t b;

  FLA_Part_1x2( A,    &AL,  &AR,      0, FLA_LEFT );

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

  while ( FLA_Obj_width( AL ) < FLA_Obj_width( A ) ){

    b = FLA_Determine_blocksize( AR, FLA_RIGHT, FLA_Cntl_blocksize( cntl ) );

    FLA_Repart_1x2_to_1x3( AL,  /**/ AR,        &A0, /**/ &A1, &A2,
                           b, FLA_RIGHT );

    FLA_Repart_1x2_to_1x3( BL,  /**/ BR,        &B0, /**/ &B1, &B2,
                           b, FLA_RIGHT );

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

    FLA_Axpyt_internal( FLA_NO_TRANSPOSE, alpha, A1, B1,
                        FLA_Cntl_sub_axpyt( cntl ) );

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

    FLA_Cont_with_1x3_to_1x2( &AL,  /**/ &AR,        A0, A1, /**/ A2,
                              FLA_LEFT );

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

  return FLA_SUCCESS;
}