make build_param public

src/lib.rs

@@ -8,6 +8,7 @@ mod model;
 mod params;
 
 pub use bindings::Loss;
+pub use bindings::*;
 pub use error::Error;
 pub use matrix::Matrix;
 pub use model::Model;

src/matrix.rs

@@ -29,7 +29,7 @@ impl Matrix {
         });
     }
 
-    pub(crate) fn to_problem(&self) -> MfProblem {
+    pub fn to_problem(&self) -> MfProblem {
         let data = &self.data;
         let m = data.iter().map(|x| x.u).max().unwrap_or(-1) + 1;
         let n = data.iter().map(|x| x.v).max().unwrap_or(-1) + 1;

src/params.rs

@@ -133,7 +133,7 @@ impl Params {
     }
 
     // check parameters in Rust for better error message
-    fn build_param(&self) -> Result<MfParameter, Error> {
+    pub fn build_param(&self) -> Result<MfParameter, Error> {
         let param = self.param;
 
         if param.k < 1 {
@@ -154,11 +154,11 @@ impl Params {
             ));
         }
 
-        if param.nr_iters < 1 {
+        // if param.nr_iters < 1 {
-            return Err(Error::Parameter(
+        //     return Err(Error::Parameter(
-                "number of iterations must be greater than zero".to_string(),
+        //         "number of iterations must be greater than zero".to_string(),
-            ));
+        //     ));
-        }
+        // }
 
         if param.lambda_p1 < 0.0
             || param.lambda_p2 < 0.0