FLA_SPDinv.c File Reference

(r)


Functions

FLA_Error FLA_SPDinv (FLA_Uplo uplo, FLA_Obj A)

Variables

fla_spdinv_tfla_spdinv_cntl
fla_blocksize_tfla_spdinv_size_cutoff

Function Documentation

FLA_Error FLA_SPDinv ( FLA_Uplo  uplo,
FLA_Obj  A 
)

References FLA_Blocksize_extract(), FLA_Check_error_level(), FLA_Obj_datatype(), FLA_Obj_length(), FLA_SPDinv_blk_external(), FLA_SPDinv_check(), and FLA_SPDinv_internal().

00039 {
00040   FLA_Datatype datatype;
00041   int          m_A, r_val = 0;
00042   int          FLA_SPDINV_CUTOFF;
00043 
00044 
00045   // Check parameters.
00046   if ( FLA_Check_error_level() >= FLA_MIN_ERROR_CHECKING )
00047     FLA_SPDinv_check( uplo, A );
00048 
00049   // Determine the datatype of the operation.
00050   datatype = FLA_Obj_datatype( A );
00051 
00052   // Extract the appropriate blocksize for the given datatype.
00053   FLA_SPDINV_CUTOFF = FLA_Blocksize_extract( datatype, fla_spdinv_size_cutoff );
00054 
00055   // Determine the dimension of A.
00056   m_A = FLA_Obj_length( A );
00057 
00058   // Invoke FLA_SPDinv_internal() with an appropriate control tree.
00059   if      ( m_A <= FLA_SPDINV_CUTOFF )
00060   {
00061     r_val = FLA_SPDinv_blk_external( uplo, A );
00062   }
00063   else if ( FLA_SPDINV_CUTOFF < m_A )
00064   {
00065     r_val = FLA_SPDinv_internal( uplo, A, fla_spdinv_cntl );
00066   }
00067 
00068   return r_val;
00069 }


Variable Documentation


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