Compillation warnings

[yurivict]

clang8 prints these warnings:

In file included from /usr/ports/math/hpipm/work/hpipm-0.1.0/tree_ocp_qp/d_tree_ocp_qp_ipm.c:117:
/usr/ports/math/hpipm/work/hpipm-0.1.0/tree_ocp_qp/x_tree_ocp_qp_ipm.c:1016:118: warning: | has lower precedence than >; > will be evaluated first [-Wparentheses]
                                ( itref_qp_norm[0]==0.0 & BLASFEO_DVECEL(ws->res_itref->res_g+0, 0)!=BLASFEO_DVECEL(ws->res_itref->res_g+0, 0) ) |
                                                                                                                                                 ^
/usr/ports/math/hpipm/work/hpipm-0.1.0/tree_ocp_qp/x_tree_ocp_qp_ipm.c:1016:118: note: place parentheses around the '>' expression to silence this warning
                                ( itref_qp_norm[0]==0.0 & BLASFEO_DVECEL(ws->res_itref->res_g+0, 0)!=BLASFEO_DVECEL(ws->res_itref->res_g+0, 0) ) |
                                                                                                                                                 ^
/usr/ports/math/hpipm/work/hpipm-0.1.0/tree_ocp_qp/x_tree_ocp_qp_ipm.c:1016:118: note: place parentheses around the | expression to evaluate it first
                                ( itref_qp_norm[0]==0.0 & BLASFEO_DVECEL(ws->res_itref->res_g+0, 0)!=BLASFEO_DVECEL(ws->res_itref->res_g+0, 0) ) |
                                                                                                                                                 ^
                                (
1 warning generated.
In file included from /usr/ports/math/hpipm/work/hpipm-0.1.0/tree_ocp_qp/d_tree_ocp_qp_kkt.c:112:
/usr/ports/math/hpipm/work/hpipm-0.1.0/tree_ocp_qp/x_tree_ocp_qp_kkt.c:1020:26: warning: equality comparison result unused [-Wunused-comparison]
                        ws->use_hess_fact[idx]==1;
                        ~~~~~~~~~~~~~~~~~~~~~~^~~
/usr/ports/math/hpipm/work/hpipm-0.1.0/tree_ocp_qp/x_tree_ocp_qp_kkt.c:1020:26: note: use '=' to turn this equality comparison into an assignment
                        ws->use_hess_fact[idx]==1;
                                              ^~
                                              =
1 warning generated.
In file included from /usr/ports/math/hpipm/work/hpipm-0.1.0/ocp_qp/s_ocp_qp_kkt.c:126:
/usr/ports/math/hpipm/work/hpipm-0.1.0/ocp_qp/x_ocp_qp_kkt.c:1417:24: warning: equality comparison result unused [-Wunused-comparison]
                ws->use_hess_fact[ss]==1;
                ~~~~~~~~~~~~~~~~~~~~~^~~
/usr/ports/math/hpipm/work/hpipm-0.1.0/ocp_qp/x_ocp_qp_kkt.c:1417:24: note: use '=' to turn this equality comparison into an assignment
                ws->use_hess_fact[ss]==1;
                                     ^~
                                     =
/usr/ports/math/hpipm/work/hpipm-0.1.0/ocp_qp/x_ocp_qp_kkt.c:1488:25: warning: equality comparison result unused [-Wunused-comparison]
                        ws->use_hess_fact[ss]==1;
                        ~~~~~~~~~~~~~~~~~~~~~^~~
/usr/ports/math/hpipm/work/hpipm-0.1.0/ocp_qp/x_ocp_qp_kkt.c:1488:25: note: use '=' to turn this equality comparison into an assignment
                        ws->use_hess_fact[ss]==1;
                                             ^~
                                             =
/usr/ports/math/hpipm/work/hpipm-0.1.0/ocp_qp/x_ocp_qp_kkt.c:1559:24: warning: equality comparison result unused [-Wunused-comparison]
                ws->use_hess_fact[ss]==1;
                ~~~~~~~~~~~~~~~~~~~~~^~~
/usr/ports/math/hpipm/work/hpipm-0.1.0/ocp_qp/x_ocp_qp_kkt.c:1559:24: note: use '=' to turn this equality comparison into an assignment
                ws->use_hess_fact[ss]==1;
                                     ^~
                                     =
3 warnings generated.

[giaf]

The last warnings are now fixed in master branch.