FLA_Her2k_lh_unb_var5.c File Reference

(r)


Functions

FLA_Error FLA_Her2k_lh_unb_var5 (FLA_Obj alpha, FLA_Obj A, FLA_Obj B, FLA_Obj beta, FLA_Obj C)

Function Documentation

FLA_Error FLA_Her2k_lh_unb_var5 ( FLA_Obj  alpha,
FLA_Obj  A,
FLA_Obj  B,
FLA_Obj  beta,
FLA_Obj  C 
)

References FLA_Cont_with_1x3_to_1x2(), FLA_Cont_with_3x3_to_2x2(), FLA_Dot2cs_external(), FLA_Gemv_external(), FLA_Obj_width(), FLA_ONE, FLA_Part_1x2(), FLA_Part_2x2(), FLA_Repart_1x2_to_1x3(), and FLA_Repart_2x2_to_3x3().

00038 {
00039   FLA_Obj AL,    AR,       A0,  a1t,  A2;
00040 
00041   FLA_Obj BL,    BR,       B0,  b1t,  B2;
00042 
00043   FLA_Obj CTL,   CTR,      C00,  c01,     C02, 
00044           CBL,   CBR,      c10t, gamma11, c12t,
00045                            C20,  c21,     C22;
00046 
00047 
00048   FLA_Part_1x2( A,    &AL,  &AR,      0, FLA_RIGHT );
00049 
00050   FLA_Part_1x2( B,    &BL,  &BR,      0, FLA_RIGHT );
00051 
00052   FLA_Part_2x2( C,    &CTL, &CTR,
00053                       &CBL, &CBR,     0, 0, FLA_BR );
00054 
00055   while ( FLA_Obj_width( AR ) < FLA_Obj_width( A ) ){
00056 
00057 
00058     FLA_Repart_1x2_to_1x3( AL,  /**/ AR,        &A0, &a1t, /**/ &A2,
00059                            1, FLA_LEFT );
00060 
00061     FLA_Repart_1x2_to_1x3( BL,  /**/ BR,        &B0, &b1t, /**/ &B2,
00062                            1, FLA_LEFT );
00063 
00064     FLA_Repart_2x2_to_3x3( CTL, /**/ CTR,       &C00,  &c01,     /**/ &C02,
00065                                                 &c10t, &gamma11, /**/ &c12t,
00066                         /* ************* */   /* ************************** */
00067                            CBL, /**/ CBR,       &C20,  &c21,     /**/ &C22,
00068                            1, 1, FLA_TL );
00069 
00070     /*------------------------------------------------------------*/
00071 
00072     /* c21 = c21 + A2' * b1t */
00073     FLA_Gemv_external( FLA_CONJ_TRANSPOSE, alpha, A2, b1t, beta, c21 );    
00074 
00075     /* c21 = c21 + B2' * a1t */
00076     FLA_Gemv_external( FLA_CONJ_TRANSPOSE, alpha, B2, a1t, FLA_ONE, c21 );    
00077 
00078     /* gamma11 = gamma11 + a1t' * b1t + b1t' * a1t */
00079     FLA_Dot2cs_external( FLA_CONJUGATE, alpha, a1t, b1t, beta, gamma11 );
00080 
00081     /*------------------------------------------------------------*/
00082 
00083     FLA_Cont_with_1x3_to_1x2( &AL,  /**/ &AR,        A0, /**/ a1t, A2,
00084                               FLA_RIGHT );
00085 
00086     FLA_Cont_with_1x3_to_1x2( &BL,  /**/ &BR,        B0, /**/ b1t, B2,
00087                               FLA_RIGHT );
00088 
00089     FLA_Cont_with_3x3_to_2x2( &CTL, /**/ &CTR,       C00,  /**/ c01,     C02,
00090                             /* ************** */  /* ************************ */
00091                                                      c10t, /**/ gamma11, c12t,
00092                               &CBL, /**/ &CBR,       C20,  /**/ c21,     C22,
00093                               FLA_BR );
00094 
00095   }
00096 
00097   return FLA_SUCCESS;
00098 }


Generated on Mon Jul 6 05:45:54 2009 for libflame by  doxygen 1.5.9