libflame
revision_anchor
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Functions | |
FLA_Error | FLA_Syr2k_ln_unb_var9 (FLA_Obj alpha, FLA_Obj A, FLA_Obj B, FLA_Obj beta, FLA_Obj C) |
References FLA_Cont_with_1x3_to_1x2(), FLA_Obj_width(), FLA_Part_1x2(), FLA_Repart_1x2_to_1x3(), FLA_Scalr_external(), and FLA_Syr2_external().
Referenced by FLA_Syr2k_ln().
{ FLA_Obj AL, AR, A0, a1t, A2; FLA_Obj BL, BR, B0, b1t, B2; FLA_Scalr_external( FLA_LOWER_TRIANGULAR, beta, C ); 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 ) ){ FLA_Repart_1x2_to_1x3( AL, /**/ AR, &A0, /**/ &a1t, &A2, 1, FLA_RIGHT ); FLA_Repart_1x2_to_1x3( BL, /**/ BR, &B0, /**/ &b1t, &B2, 1, FLA_RIGHT ); /*------------------------------------------------------------*/ /* C = C + a1t * b1t' + b1t * a1t' */ FLA_Syr2_external( FLA_LOWER_TRIANGULAR, alpha, a1t, b1t, C ); /*------------------------------------------------------------*/ FLA_Cont_with_1x3_to_1x2( &AL, /**/ &AR, A0, a1t, /**/ A2, FLA_LEFT ); FLA_Cont_with_1x3_to_1x2( &BL, /**/ &BR, B0, b1t, /**/ B2, FLA_LEFT ); } return FLA_SUCCESS; }