Functions | |
FLA_Error | FLA_Gemv_t_blk_var1 (FLA_Obj alpha, FLA_Obj A, FLA_Obj x, FLA_Obj beta, FLA_Obj y, fla_gemv_t *cntl) |
FLA_Error FLA_Gemv_t_blk_var1 | ( | FLA_Obj | alpha, | |
FLA_Obj | A, | |||
FLA_Obj | x, | |||
FLA_Obj | beta, | |||
FLA_Obj | y, | |||
fla_gemv_t * | cntl | |||
) |
References FLA_Cont_with_1x3_to_1x2(), FLA_Cont_with_3x1_to_2x1(), FLA_Determine_blocksize(), FLA_Gemv_internal(), FLA_Obj_width(), FLA_Part_1x2(), FLA_Part_2x1(), FLA_Repart_1x2_to_1x3(), and FLA_Repart_2x1_to_3x1().
Referenced by FLA_Gemv_t().
00036 { 00037 FLA_Obj AL, AR, A0, A1, A2; 00038 00039 FLA_Obj yT, y0, 00040 yB, y1, 00041 y2; 00042 00043 dim_t b; 00044 00045 FLA_Part_1x2( A, &AL, &AR, 0, FLA_LEFT ); 00046 00047 FLA_Part_2x1( y, &yT, 00048 &yB, 0, FLA_TOP ); 00049 00050 while ( FLA_Obj_width( AL ) < FLA_Obj_width( A ) ){ 00051 00052 b = FLA_Determine_blocksize( AR, FLA_RIGHT, FLA_Cntl_blocksize( cntl ) ); 00053 00054 FLA_Repart_1x2_to_1x3( AL, /**/ AR, &A0, /**/ &A1, &A2, 00055 b, FLA_RIGHT ); 00056 00057 FLA_Repart_2x1_to_3x1( yT, &y0, 00058 /* ** */ /* ** */ 00059 &y1, 00060 yB, &y2, b, FLA_BOTTOM ); 00061 00062 /*------------------------------------------------------------*/ 00063 00064 /* y1 = alpha * A1' * x + y1 */ 00065 FLA_Gemv_internal( FLA_TRANSPOSE, 00066 alpha, A1, x, beta, y1, 00067 FLA_Cntl_sub_gemv( cntl ) ); 00068 00069 /*------------------------------------------------------------*/ 00070 00071 FLA_Cont_with_1x3_to_1x2( &AL, /**/ &AR, A0, A1, /**/ A2, 00072 FLA_LEFT ); 00073 00074 FLA_Cont_with_3x1_to_2x1( &yT, y0, 00075 y1, 00076 /* ** */ /* ** */ 00077 &yB, y2, FLA_TOP ); 00078 00079 } 00080 00081 return FLA_SUCCESS; 00082 }