Add set values method for parameters.

cython/python_solvespace/slvs.pxd

@@ -268,6 +268,7 @@ cdef class SolverSystem:
     cdef void free(self)
     cpdef void set_group(self, size_t g)
     cpdef int group(self)
+    cpdef void set_params(self, Params p, object params)
     cpdef tuple params(self, Params p)
     cpdef int dof(self)
     cpdef object constraints(self)

cython/python_solvespace/slvs.pyi

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 
-from typing import Tuple, List, Counter
+from typing import Tuple, List, Sequence, Counter
 from enum import IntEnum, auto
 
 
@@ -164,6 +164,9 @@ class SolverSystem:
     def group(self) -> int:
         ...
 
+    def set_params(self, p: Params, params: Sequence[float]):
+        ...
+
     def params(self, p: Params) -> Tuple[float, ...]:
         ...
 

cython/python_solvespace/slvs.pyx

@@ -309,6 +309,19 @@ cdef class SolverSystem:
         """Return the current group by integer."""
         return <int>self.g
 
+    cpdef void set_params(self, Params p, object params):
+        """Set the parameters by Params object and sequence object."""
+        params = tuple(params)
+        cdef int i = p.param_list.size()
+        if i != len(params):
+            raise ValueError(f"number of parameters {len(params)} are not match {i}")
+
+        i = 0
+        cdef Slvs_hParam h
+        for h in p.param_list:
+            self.param_list[h].val = params[i]
+            i += 1
+
     cpdef tuple params(self, Params p):
         """Get the parameters by Params object."""
         cdef list param_list = []