libflame
revision_anchor
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Functions | |
FLA_Error | FLA_Apply_QUD_UT_lhfc_blk_var1 (FLA_Obj T, FLA_Obj W, FLA_Obj R, FLA_Obj U, FLA_Obj C, FLA_Obj V, FLA_Obj D, fla_apqudut_t *cntl) |
FLA_Error FLA_Apply_QUD_UT_lhfc_blk_var1 | ( | FLA_Obj | T, |
FLA_Obj | W, | ||
FLA_Obj | R, | ||
FLA_Obj | U, | ||
FLA_Obj | C, | ||
FLA_Obj | V, | ||
FLA_Obj | D, | ||
fla_apqudut_t * | cntl | ||
) |
References FLA_Axpyt_internal(), FLA_Cont_with_1x3_to_1x2(), FLA_Cont_with_3x1_to_2x1(), FLA_Copyt_internal(), FLA_Gemm_internal(), FLA_MINUS_ONE, FLA_Obj_length(), FLA_Obj_width(), FLA_ONE, FLA_Part_1x2(), FLA_Part_2x1(), FLA_Part_2x2(), FLA_Repart_1x2_to_1x3(), FLA_Repart_2x1_to_3x1(), and FLA_Trsm_internal().
Referenced by FLA_Apply_QUD_UT_lhfc().
{ FLA_Obj TL, TR, T0, T1, T2; FLA_Obj UL, UR, U0, U1, U2; FLA_Obj VL, VR, V0, V1, V2; FLA_Obj RT, R0, RB, R1, R2; FLA_Obj T1T, T1B; FLA_Obj W1TL, W1TR, W1BL, W1BR; dim_t b_alg, b; // Query the algorithmic blocksize by inspecting the length of T. b_alg = FLA_Obj_length( T ); FLA_Part_1x2( T, &TL, &TR, 0, FLA_LEFT ); FLA_Part_1x2( U, &UL, &UR, 0, FLA_LEFT ); FLA_Part_1x2( V, &VL, &VR, 0, FLA_LEFT ); FLA_Part_2x1( R, &RT, &RB, 0, FLA_TOP ); while ( FLA_Obj_width( UL ) < FLA_Obj_width( U ) ){ b = min( b_alg, FLA_Obj_width( UR ) ); FLA_Repart_1x2_to_1x3( TL, /**/ TR, &T0, /**/ &T1, &T2, b, FLA_RIGHT ); FLA_Repart_1x2_to_1x3( UL, /**/ UR, &U0, /**/ &U1, &U2, b, FLA_RIGHT ); FLA_Repart_1x2_to_1x3( VL, /**/ VR, &V0, /**/ &V1, &V2, b, FLA_RIGHT ); FLA_Repart_2x1_to_3x1( RT, &R0, /* ** */ /* ** */ &R1, RB, &R2, b, FLA_BOTTOM ); /*------------------------------------------------------------*/ FLA_Part_2x1( T1, &T1T, &T1B, b, FLA_TOP ); FLA_Part_2x2( W, &W1TL, &W1TR, &W1BL, &W1BR, b, FLA_Obj_width( R1 ), FLA_TL ); // W1TL = R1; FLA_Copyt_internal( FLA_NO_TRANSPOSE, R1, W1TL, FLA_Cntl_sub_copyt( cntl ) ); // W1TL = inv( triu( T1T ) )' * ( R1 + U1' * C + V1' * D ); FLA_Gemm_internal( FLA_CONJ_TRANSPOSE, FLA_NO_TRANSPOSE, FLA_ONE, U1, C, FLA_ONE, W1TL, FLA_Cntl_sub_gemm1( cntl ) ); FLA_Gemm_internal( FLA_CONJ_TRANSPOSE, FLA_NO_TRANSPOSE, FLA_ONE, V1, D, FLA_ONE, W1TL, FLA_Cntl_sub_gemm2( cntl ) ); FLA_Trsm_internal( FLA_LEFT, FLA_UPPER_TRIANGULAR, FLA_CONJ_TRANSPOSE, FLA_NONUNIT_DIAG, FLA_ONE, T1T, W1TL, FLA_Cntl_sub_trsm( cntl ) ); // R1 = R1 - W1TL; // C = C - U1 * W1TL; // D = D + V1 * W1TL; FLA_Axpyt_internal( FLA_NO_TRANSPOSE, FLA_MINUS_ONE, W1TL, R1, FLA_Cntl_sub_axpyt( cntl ) ); FLA_Gemm_internal( FLA_NO_TRANSPOSE, FLA_NO_TRANSPOSE, FLA_MINUS_ONE, U1, W1TL, FLA_ONE, C, FLA_Cntl_sub_gemm3( cntl ) ); FLA_Gemm_internal( FLA_NO_TRANSPOSE, FLA_NO_TRANSPOSE, FLA_ONE, V1, W1TL, FLA_ONE, D, FLA_Cntl_sub_gemm4( cntl ) ); /*------------------------------------------------------------*/ FLA_Cont_with_1x3_to_1x2( &TL, /**/ &TR, T0, T1, /**/ T2, FLA_LEFT ); FLA_Cont_with_1x3_to_1x2( &UL, /**/ &UR, U0, U1, /**/ U2, FLA_LEFT ); FLA_Cont_with_1x3_to_1x2( &VL, /**/ &VR, V0, V1, /**/ V2, FLA_LEFT ); FLA_Cont_with_3x1_to_2x1( &RT, R0, R1, /* ** */ /* ** */ &RB, R2, FLA_TOP ); } return FLA_SUCCESS; }