From b08c2ad70d00fb4322f9ed860bb57a51840b2fac Mon Sep 17 00:00:00 2001
From: Nathan <npapapietro@crimson.ua.edu>
Date: Thu, 14 Feb 2019 20:54:26 -0600
Subject: [PATCH] Feedback updates round 1

---
 examples/convolution.rs   |  5 +++
 src/linalg/convolution.rs | 77 ++++++++++++++++++++++++---------------
 2 files changed, 53 insertions(+), 29 deletions(-)
 create mode 100644 examples/convolution.rs

diff --git a/examples/convolution.rs b/examples/convolution.rs
new file mode 100644
index 00000000..5290440c
--- /dev/null
+++ b/examples/convolution.rs
@@ -0,0 +1,5 @@
+fn main(){
+    let (x,y) = (1,2);
+
+    println!("{}", x);
+}
\ No newline at end of file
diff --git a/src/linalg/convolution.rs b/src/linalg/convolution.rs
index e7e20c21..ac0ba71e 100644
--- a/src/linalg/convolution.rs
+++ b/src/linalg/convolution.rs
@@ -1,45 +1,63 @@
 use storage::Storage;
-use {zero, DVector, Dim, Dynamic, Matrix, Real, VecStorage, Vector, U1};
+use {zero, DVector, Dim, Dynamic, Matrix, Real, VecStorage, Vector, U1, Add};
 use std::cmp;
 
-///
-/// The output is the full discrete linear convolution of the inputs
-/// 
-pub fn convolve_full<R: Real, D: Dim, E: Dim, S: Storage<R, D>, Q: Storage<R, E>>(
-    vector: Vector<R, D, S>,
-    kernel: Vector<R, E, Q>,
-) -> Matrix<R, Dynamic, U1, VecStorage<R, Dynamic, U1>> {
-    let vec = vector.len();
-    let ker = kernel.len();
+impl<N: Real, D1: Dim, S1: Storage<N,D1>> Vector<N,D1,S1>{
 
-    if vec == 0 || ker == 0 {
-        panic!("Convolve's inputs must not be 0-sized. ");
-    }
+    /// Returns the convolution of the vector and a kernel
+    ///
+    /// # Arguments
+    ///
+    /// * `self` - A DVector with size D > 0
+    /// * `kernel` - A DVector with size D > 0
+    /// 
+    /// # Note:
+    ///     This function is commutative. If D_kernel > D_vector, 
+    ///     they will swap their roles as in 
+    ///     (self, kernel) = (kernel,self)
+    ///
+    /// # Example
+    ///
+    /// ```
+    /// 
+    /// ```
+    pub fn convolve_full<D2: Dim, S2: Storage<N, D2>>(&self, kernel: Vector<N, D2, S2>) -> Vector<N,Add<D1,D2>,Add<S1,S2>>
+    {
+        let vec = self.len();
+        let ker = kernel.len();
 
-    if ker > vec {
-        return convolve_full(kernel, vector);
-    }
+        // if vec == 0 || ker == 0 {
+        //     panic!("Convolve's inputs must not be 0-sized. ");
+        // }
 
-    let newlen = vec + ker - 1;
+        // if ker > vec {
+        //     return kernel::convolve_full(vector);
+        // }
 
-    let mut conv = DVector::<R>::zeros(newlen);
+        let newlen = vec + ker - 1;
+        let mut conv = DVector::<N>::zeros(newlen);
 
-    for i in 0..newlen {
-        let u_i = if i > ker { i - ker } else { 0 };
-        let u_f = cmp::min(i, vec - 1);
+        for i in 0..newlen {
+            let u_i = if i > ker { i - ker } else { 0 };
+            let u_f = cmp::min(i, vec - 1);
 
-        if u_i == u_f {
-            conv[i] += vector[u_i] * kernel[(i - u_i)];
-        } else {
-            for u in u_i..(u_f + 1) {
-                if i - u < ker {
-                    conv[i] += vector[u] * kernel[(i - u)];
+            if u_i == u_f {
+                conv[i] += self[u_i] * kernel[(i - u_i)];
+            } else {
+                for u in u_i..(u_f + 1) {
+                    if i - u < ker {
+                        conv[i] += self[u] * kernel[(i - u)];
+                    }
                 }
             }
         }
+        // conv
     }
-    conv
 }
+///
+/// The output is the full discrete linear convolution of the inputs
+/// 
+
 
 ///
 /// The output convolution consists only of those elements that do not rely on the zero-padding. 
@@ -102,4 +120,5 @@ pub fn convolve_same<R: Real, D: Dim, E: Dim, S: Storage<R, D>, Q: Storage<R, E>
         }
     }
     conv
-}
\ No newline at end of file
+}
+