FLA_Syrk_ln_blk_var5.c File Reference

(r)


Functions

FLA_Error FLA_Syrk_ln_blk_var5 (FLA_Obj alpha, FLA_Obj A, FLA_Obj beta, FLA_Obj C, fla_syrk_t *cntl)

Function Documentation

FLA_Error FLA_Syrk_ln_blk_var5 ( FLA_Obj  alpha,
FLA_Obj  A,
FLA_Obj  beta,
FLA_Obj  C,
fla_syrk_t cntl 
)

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

Referenced by FLA_Syrk_ln().

00036 {
00037   FLA_Obj AL,    AR,       A0,  A1,  A2;
00038 
00039   dim_t b;
00040 
00041   FLA_Part_1x2( A,    &AL,  &AR,      0, FLA_LEFT );
00042 
00043   while ( FLA_Obj_width( AL ) < FLA_Obj_width( A ) ){
00044 
00045     b = FLA_Determine_blocksize( AR, FLA_RIGHT, FLA_Cntl_blocksize( cntl ) );
00046 
00047     FLA_Repart_1x2_to_1x3( AL,  /**/ AR,        &A0, /**/ &A1, &A2,
00048                            b, FLA_RIGHT );
00049 
00050     /*------------------------------------------------------------*/
00051 
00052     /* C = C + A1 * A1' */
00053     FLA_Syrk_internal( FLA_LOWER_TRIANGULAR, FLA_NO_TRANSPOSE, 
00054                        alpha, A1, beta, C,
00055                        FLA_Cntl_sub_syrk( cntl ) );
00056 
00057     /*------------------------------------------------------------*/
00058 
00059     FLA_Cont_with_1x3_to_1x2( &AL,  /**/ &AR,        A0, A1, /**/ A2,
00060                               FLA_LEFT );
00061   }
00062 
00063   return FLA_SUCCESS;
00064 }


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