FLASH_Triangularize.c File Reference

(r12600)

Functions
FLA_Error	FLASH_Triangularize (FLA_Uplo uplo, FLA_Diag diag, FLA_Obj A)

---

Function Documentation

FLA_Error FLASH_Triangularize	(	FLA_Uplo	uplo,
		FLA_Diag	diag,
		FLA_Obj	A
	)

References FLA_Obj_free(), FLA_Obj_has_zero_dim(), FLA_Triangularize(), FLASH_Obj_create_flat_copy_of_hier(), and FLASH_Obj_hierarchify().

{
    FLA_Error r_val;
    FLA_Obj   A_flat;

    // Exit early if one dimension is zero.
    if ( FLA_Obj_has_zero_dim( A ) ) return FLA_SUCCESS;

    // Create a temporary flat copy of the hierarchical object.
    FLASH_Obj_create_flat_copy_of_hier( A, &A_flat );

    // Triangularize the flat matrix object as specified by uplo and diag.
    r_val = FLA_Triangularize( uplo, diag, A_flat );
    
    // Copy the flat object's contents back to the hierarchical object.
    FLASH_Obj_hierarchify( A_flat, A );

    // Free the temporary flat object.
    FLA_Obj_free( &A_flat );
    
    return r_val;
}