Rename scalar_prod -> prod

Author: jturner314

src/numeric/impl_numeric.rs

@@ -55,7 +55,7 @@ impl<A, S, D> ArrayBase<S, D>
     ///                [3., 4.]]);
     /// assert_eq!(a.scalar_prod(), 24.);
     /// ```
-    pub fn scalar_prod(&self) -> A
+    pub fn prod(&self) -> A
         where A: Clone + Mul<Output=A> + libnum::One,
     {
         if let Some(slc) = self.as_slice_memory_order() {

tests/oper.rs

@@ -272,9 +272,9 @@ fn fold_and_sum() {
 }
 
 #[test]
-fn scalar_prod() {
+fn prod() {
     let a = Array::linspace(0.5, 2., 128).into_shape((8, 16)).unwrap();
-    assert_approx_eq(a.fold(1., |acc, &x| acc * x), a.scalar_prod(), 1e-5);
+    assert_approx_eq(a.fold(1., |acc, &x| acc * x), a.prod(), 1e-5);
 
     // test different strides
     let max = 8 as Ixs;
@@ -286,7 +286,7 @@ fn scalar_prod() {
                 prod *= *elt;
             }
             assert_approx_eq(a1.fold(1., |acc, &x| acc * x), prod, 1e-5);
-            assert_approx_eq(prod, a1.scalar_prod(), 1e-5);
+            assert_approx_eq(prod, a1.prod(), 1e-5);
         }
     }
 }