Merge pull request #148 from Andful/main

Allow setting boolean parameters

src/model.rs

@@ -1157,6 +1157,12 @@ impl<T> Model<T> {
         Ok(self)
     }
 
+    /// Sets a SCIP boolean parameter and returns a new `Model` instance with the parameter set.
+    pub fn set_bool_param(mut self, param: &str, value: bool) -> Result<Self, Retcode> {
+        self.scip.set_bool_param(param, value)?;
+        Ok(self)
+    }
+
     /// Sets a SCIP integer parameter and returns a new `Model` instance with the parameter set.
     pub fn set_int_param(mut self, param: &str, value: i32) -> Result<Self, Retcode> {
         self.scip.set_int_param(param, value)?;
@@ -1715,6 +1721,14 @@ mod tests {
         Model::new().print_version();
     }
 
+    #[test]
+    fn set_bool_param() {
+        Model::new()
+            .hide_output()
+            .set_bool_param("display/allviols", true)
+            .unwrap();
+    }
+
     #[test]
     fn set_int_param() {
         let res = Model::new()

src/scip.rs

@@ -46,6 +46,12 @@ impl ScipPtr {
         Ok(())
     }
 
+    pub(crate) fn set_bool_param(&mut self, param: &str, value: bool) -> Result<(), Retcode> {
+        let param = CString::new(param).unwrap();
+        scip_call! { ffi::SCIPsetBoolParam(self.raw, param.as_ptr(), if value { 1u32 } else { 0u32 }) };
+        Ok(())
+    }
+
     pub(crate) fn set_int_param(&mut self, param: &str, value: i32) -> Result<(), Retcode> {
         let param = CString::new(param).unwrap();
         scip_call! { ffi::SCIPsetIntParam(self.raw, param.as_ptr(), value) };