Fix deprecated functions (as it should have been wired)

algorithms/linfa-svm/src/hyperparams.rs

@@ -168,19 +168,23 @@ impl<F: Float, T> SvmParams<F, T> {
 }
 
 impl<F: Float> SvmParams<F, F> {
-    /// Set the C value for regression
-    #[deprecated(since = "0.7.2", note = "Use c_svr() instead")]
+    /// Set the C value for regression and solver epsilon stopping condition.
+    /// Loss epsilon value is fixed at 0.1.
+    #[deprecated(since = "0.7.2", note = "Use .c_svr() and .eps()")]
     pub fn c_eps(mut self, c: F, eps: F) -> Self {
-        self.0.c = Some((c, eps));
+        self.0.c = Some((c, F::cast(0.1)));
         self.0.nu = None;
+        self.0.solver_params.eps = eps;
         self
     }
 
-    /// Set the Nu-Eps value for regression
-    #[deprecated(since = "0.7.2", note = "Use nu_svr() instead")]
+    /// Set the Nu value for regression and solver epsilon stopping condition.
+    /// C value used value is fixed at 1.0.
+    #[deprecated(since = "0.7.2", note = "Use .nu_svr() and .eps()")]
     pub fn nu_eps(mut self, nu: F, eps: F) -> Self {
-        self.0.nu = Some((nu, eps));
+        self.0.nu = Some((nu, F::one()));
         self.0.c = None;
+        self.0.solver_params.eps = eps;
         self
     }
 

algorithms/linfa-svm/src/regression.rs

@@ -265,6 +265,7 @@ pub mod tests {
         let model = Svm::params()
             .c_svr(100., Some(0.1))
             .gaussian_kernel(10.)
+            .eps(1e-3)
             .fit(&dataset)?;
 
         println!("{}", model);
@@ -287,6 +288,7 @@ pub mod tests {
         let model = Svm::params()
             .nu_svr(0.01, None)
             .polynomial_kernel(1., 3.)
+            .eps(1e-3)
             .fit(&dataset)?;
 
         println!("{}", model);