add const

may not complete - feel free to extend.
main functions are left untouched

include/splinepy/proximity/slsqp/slsqp.hpp

@@ -1,22 +1,66 @@
+#ifdef __cplusplus
 extern "C" {
-void slsqp(int* m,
-           int* meg,
+#endif
+int slsqp(int* m,
+          int* meg,
+          int* la,
+          int* n,
+          double* x,
+          double* xl,
+          double* xu,
+          double* f,
+          double* c,
+          double* g,
+          double* a,
+          double* acc,
+          int* iter,
+          int* mode,
+          double* w,
+          int* l_w,
+          int* jw,
+          int* l_jw,
+          double* alpha,
+          double* f0,
+          double* gs,
+          double* h1,
+          double* h2,
+          double* h3,
+          double* h4,
+          double* t,
+          double* t0,
+          double* tol,
+          int* iexact,
+          int* incons,
+          int* ireset,
+          int* itermx,
+          int* line,
+          int* n1,
+          int* n2,
+          int* n3);
+
+int slsqpb(int* m,
+           int* meq,
            int* la,
            int* n,
            double* x,
            double* xl,
            double* xu,
            double* f,
-           double* c,
+           double* c__,
            double* g,
            double* a,
            double* acc,
            int* iter,
            int* mode,
+           double* r__,
+           double* l,
+           double* x0,
+           double* mu,
+           double* s,
+           double* u,
+           double* v,
            double* w,
-           int* l_w,
-           int* jw,
-           int* l_jw,
+           int* iw,
            double* alpha,
            double* f0,
            double* gs,
@@ -35,4 +79,152 @@ void slsqp(int* m,
            int* n1,
            int* n2,
            int* n3);
+
+int lsq(const int* m,
+        const int* meq,
+        const int* n,
+        const int* nl,
+        const int* la,
+        const double* l,
+        const double* g,
+        const double* a,
+        const double* b,
+        const double* xl,
+        const double* xu,
+        double* x,
+        double* y,
+        double* w,
+        int* jw,
+        int* mode);
+
+int lsei(double* c__,
+         double* d__,
+         double* e,
+         double* f,
+         double* g,
+         double* h__,
+         const int* lc,
+         const int* mc,
+         const int* le,
+         const int* me,
+         const int* lg,
+         const int* mg,
+         const int* n,
+         double* x,
+         double* xnrm,
+         double* w,
+         int* jw,
+         int* mode);
+
+int lsi(double* e,
+        double* f,
+        double* g,
+        double* h__,
+        const int* le,
+        const int* me,
+        const int* lg,
+        const int* mg,
+        const int* n,
+        double* x,
+        double* xnorm,
+        double* w,
+        int* jw,
+        int* mode);
+
+int ldp(const double* g,
+        const int* mg,
+        const int* m,
+        const int* n,
+        const double* h__,
+        double* x,
+        double* xnorm,
+        double* w,
+        int* index,
+        int* mode);
+
+int nnls(double* a,
+         const int* mda,
+         const int* m,
+         const int* n,
+         double* b,
+         double* x,
+         double* rnorm,
+         double* w,
+         double* z__,
+         int* index,
+         int* mode);
+
+int hfti(double* a,
+         const int* mda,
+         const int* m,
+         const int* n,
+         double* b,
+         const int* mdb,
+         const int* nb,
+         const double* tau,
+         int* krank,
+         double* rnorm,
+         double* h__,
+         double* g,
+         int* ip);
+
+int h12(const int* mode,
+        const int* lpivot,
+        const int* l1,
+        const int* m,
+        double* u,
+        const int* iue,
+        double* up,
+        double* c__,
+        const int* ice,
+        const int* icv,
+        const int* ncv);
+
+int ldl(const int* n, double* a, double* z__, const double* sigma, double* w);
+
+double linmin(int* mode,
+              const double* ax,
+              const double* bx,
+              const double* f,
+              const double* tol);
+
+int daxpy_sl(const int* n,
+             const double* da,
+             const double* dx,
+             const int* incx,
+             double* dy,
+             const int* incy);
+
+int dcopy(const int* n,
+          const double* dx,
+          const int* incx,
+          double* dy,
+          const int* incy);
+
+double ddot_sl(const int* n,
+               const double* dx,
+               const int* incx,
+               const double* dy,
+               const int* incy);
+
+double dnrm1(const int* n, const double* x, const int* i__, const int* j);
+
+double dnrm2(const int* n, const double* dx, const int* incx);
+
+int dsrot(const int* n,
+          double* dx,
+          const int* incx,
+          double* dy,
+          const int* incy,
+          const double* c__,
+          const double* s);
+
+int dsrotg(double* da, double* db, double* c__, double* s);
+
+int dscal_sl(const int* n, const double* da, double* dx, const int* incx);
+
+int bound(const int* n, double* x, const double* xl, const double* xu);
+
+#ifdef __cplusplus
 } /* extern "C */
+#endif

src/CMakeLists.txt

@@ -37,6 +37,9 @@ endif(SPLINEPY_MORE)
 add_library(slsqp ${SPLINEPY_SLSQP_SRCS})
 add_library(splinepy::slsqp ALIAS slsqp)
 target_compile_options(slsqp PRIVATE -O3 -fPIC)
+target_include_directories(
+  slsqp PUBLIC $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>
+               $<INSTALL_INTERFACE:${incl_dest}>)
 
 # target
 add_library(splinepy ${SPLINEPY_LIB_TYPE} ${SPLINEPY_SRCS})