libflame
revision_anchor
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Functions | |
FLA_Error | FLA_Herk_lh_blk_var3 (FLA_Obj alpha, FLA_Obj A, FLA_Obj beta, FLA_Obj C, fla_herk_t *cntl) |
FLA_Error FLA_Herk_lh_blk_var3 | ( | FLA_Obj | alpha, |
FLA_Obj | A, | ||
FLA_Obj | beta, | ||
FLA_Obj | C, | ||
fla_herk_t * | cntl | ||
) |
References FLA_Cont_with_1x3_to_1x2(), FLA_Cont_with_3x3_to_2x2(), FLA_Determine_blocksize(), FLA_Gemm_internal(), FLA_Herk_internal(), FLA_Obj_width(), FLA_Part_1x2(), FLA_Part_2x2(), FLA_Repart_1x2_to_1x3(), and FLA_Repart_2x2_to_3x3().
Referenced by FLA_Herk_lh().
{ FLA_Obj AL, AR, A0, A1, A2; FLA_Obj CTL, CTR, C00, C01, C02, CBL, CBR, C10, C11, C12, C20, C21, C22; dim_t b; FLA_Part_1x2( A, &AL, &AR, 0, FLA_RIGHT ); FLA_Part_2x2( C, &CTL, &CTR, &CBL, &CBR, 0, 0, FLA_BR ); while ( FLA_Obj_width( AR ) < FLA_Obj_width( A ) ){ b = FLA_Determine_blocksize( AL, FLA_LEFT, FLA_Cntl_blocksize( cntl ) ); FLA_Repart_1x2_to_1x3( AL, /**/ AR, &A0, &A1, /**/ &A2, b, FLA_LEFT ); FLA_Repart_2x2_to_3x3( CTL, /**/ CTR, &C00, &C01, /**/ &C02, &C10, &C11, /**/ &C12, /* ************* */ /* ******************** */ CBL, /**/ CBR, &C20, &C21, /**/ &C22, b, b, FLA_TL ); /*------------------------------------------------------------*/ /* C21 = C21 + A2' * A1 */ FLA_Gemm_internal( FLA_CONJ_TRANSPOSE, FLA_NO_TRANSPOSE, alpha, A2, A1, beta, C21, FLA_Cntl_sub_gemm( cntl ) ); /* C11 = C11 + A1' * A1 */ FLA_Herk_internal( FLA_LOWER_TRIANGULAR, FLA_CONJ_TRANSPOSE, alpha, A1, beta, C11, FLA_Cntl_sub_herk( cntl ) ); /*------------------------------------------------------------*/ FLA_Cont_with_1x3_to_1x2( &AL, /**/ &AR, A0, /**/ A1, A2, FLA_RIGHT ); FLA_Cont_with_3x3_to_2x2( &CTL, /**/ &CTR, C00, /**/ C01, C02, /* ************** */ /* ****************** */ C10, /**/ C11, C12, &CBL, /**/ &CBR, C20, /**/ C21, C22, FLA_BR ); } return FLA_SUCCESS; }