| NAME |
| SCI_Group_operate - Create a new group from two existed groups |
| |
| C Syntax |
| #include <sci.h> |
| int SCI_Group_operate(sci_group_t group1, sci_group_t group2, sci_op_t op, sci_group_t *newgroup) |
| |
| INPUT PARAMETERS |
| group1 |
| Existed group 1 (IN). |
| group2 |
| Existed group 2 (IN). |
| op |
| Indicates how to create the new group from two existed groups (IN). |
| newgroup |
| The output new group (OUT). |
| |
| DESCRIPTION |
| This subroutine is used to create a new group from two existed groups, group1 and group2 |
| can be SCI_GROUP_ALL, and op can be SCI_UNION, SCI_INTERSECTION and SCI_DIFFERENCE. The |
| new newgroup can be used for SCI_Bcast to specify destination receivers. |
| |
| This is a blocking call. The caller can assume newgroup is ready to use upon the return |
| of the function. |
| |
| For more information, please refer to SCI's online documents. |
| |
| EXAMPLE |
| { |
| int i, num_bes; |
| sci_group_t group1, group2, newgroup; |
| ... |
| SCI_Group_operate(group1, group2, SCI_UNION, &newgroup); |
| } |
| |
| ERRORS |
| All SCI routines return an error value. |
| |
| SCI_ERR_UNINTIALIZED |
| Uninitialized SCI execution environment |
| SCI_ERR_INVALID_CALLER |
| Can only be called in the front end |
| SCI_ERR_GROUP_NOTFOUND |
| The group to be freed does not exist |
| SCI_ERR_INVALID_OPERATOR |
| Incorrect op specified |
| SCI_ERR_GROUP_EMPTY |
| The new group is an empty group |
| SCI_ERR_NO_MEM |
| Out of memory |
| |
| SEE ALSO |
| SCI_Group_create(3) |
| SCI_Group_free(3) |
| SCI_Group_operate_ext(3) |
