FLA_Hemm_ll_unb_var9.c File Reference

(r)


Functions

FLA_Error FLA_Hemm_ll_unb_var9 (FLA_Obj alpha, FLA_Obj A, FLA_Obj B, FLA_Obj beta, FLA_Obj C)

Function Documentation

FLA_Error FLA_Hemm_ll_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_Hemv_external(), FLA_Obj_width(), FLA_Part_1x2(), and FLA_Repart_1x2_to_1x3().

00038 {
00039   FLA_Obj BL,    BR,       B0,  b1t,  B2;
00040 
00041   FLA_Obj CL,    CR,       C0,  c1t,  C2;
00042 
00043 
00044   FLA_Part_1x2( B,    &BL,  &BR,      0, FLA_LEFT );
00045 
00046   FLA_Part_1x2( C,    &CL,  &CR,      0, FLA_LEFT );
00047 
00048   while ( FLA_Obj_width( BL ) < FLA_Obj_width( B ) ){
00049 
00050 
00051     FLA_Repart_1x2_to_1x3( BL,  /**/ BR,        &B0, /**/ &b1t, &B2,
00052                            1, FLA_RIGHT );
00053 
00054     FLA_Repart_1x2_to_1x3( CL,  /**/ CR,        &C0, /**/ &c1t, &C2,
00055                            1, FLA_RIGHT );
00056 
00057     /*------------------------------------------------------------*/
00058 
00059     /* c1t = c1t + A * b1t */
00060     FLA_Hemv_external( FLA_LOWER_TRIANGULAR, alpha, A, b1t, beta, c1t );
00061 
00062     /*------------------------------------------------------------*/
00063 
00064     FLA_Cont_with_1x3_to_1x2( &BL,  /**/ &BR,        B0, b1t, /**/ B2,
00065                               FLA_LEFT );
00066 
00067     FLA_Cont_with_1x3_to_1x2( &CL,  /**/ &CR,        C0, c1t, /**/ C2,
00068                               FLA_LEFT );
00069 
00070   }
00071 
00072   return FLA_SUCCESS;
00073 }


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