Change folder structure of convolutions (#861)

This puts every chapters' code into its own directory, which is
useful for automatic validation.

Author: stormofice

contents/convolutions/1d/1d.md

@@ -53,7 +53,7 @@ With this in mind, we can almost directly transcribe the discrete equation into
 
 {% method %}
 {% sample lang="jl" %}
-[import:27-46, lang:"julia"](../code/julia/1d_convolution.jl)
+[import:27-46, lang:"julia"](code/julia/1d_convolution.jl)
 {% endmethod %}
 
 The easiest way to reason about this code is to read it as you might read a textbook.
@@ -184,30 +184,30 @@ Here it is again for clarity:
 
 {% method %}
 {% sample lang="jl" %}
-[import:27-46, lang:"julia"](../code/julia/1d_convolution.jl)
+[import:27-46, lang:"julia"](code/julia/1d_convolution.jl)
 {% endmethod %}
 
 Here, the main difference between the bounded and unbounded versions is that the output array size is smaller in the bounded case.
 For an unbounded convolution, the function would be called with a the output array size specified to be the size of both signals put together:
 
 {% method %}
 {% sample lang="jl" %}
-[import:58-59, lang:"julia"](../code/julia/1d_convolution.jl)
+[import:58-59, lang:"julia"](code/julia/1d_convolution.jl)
 {% endmethod %}
 
 On the other hand, the bounded call would set the output array size to simply be the length of the signal
 
 {% method %}
 {% sample lang="jl" %}
-[import:61-62, lang:"julia"](../code/julia/1d_convolution.jl)
+[import:61-62, lang:"julia"](code/julia/1d_convolution.jl)
 {% endmethod %}
 
 Finally, as we mentioned before, it is possible to center bounded convolutions by changing the location where we calculate the each point along the filter.
 This can be done by modifying the following line:
 
 {% method %}
 {% sample lang="jl" %}
-[import:35-35, lang:"julia"](../code/julia/1d_convolution.jl)
+[import:35-35, lang:"julia"](code/julia/1d_convolution.jl)
 {% endmethod %}
 
 Here, `j` counts from `i-length(filter)` to `i`.
@@ -239,7 +239,7 @@ In code, this typically amounts to using some form of modulus operation, as show
 
 {% method %}
 {% sample lang="jl" %}
-[import:4-25, lang:"julia"](../code/julia/1d_convolution.jl)
+[import:4-25, lang:"julia"](code/julia/1d_convolution.jl)
 {% endmethod %}
 
 This is essentially the same as before, except for the modulus operations, which allow us to work on a periodic domain.
@@ -254,7 +254,7 @@ For the code associated with this chapter, we have used the convolution to gener
 
 {% method %}
 {% sample lang="jl" %}
-[import, lang:"julia"](../code/julia/1d_convolution.jl)
+[import, lang:"julia"](code/julia/1d_convolution.jl)
 {% endmethod %}
 
 At a test case, we have chosen to use two sawtooth functions, which should produce the following images:

contents/convolutions/code/julia/1d_convolution.jl renamed to contents/convolutions/1d/code/julia/1d_convolution.jl

@@ -20,9 +20,9 @@ In code, a two-dimensional convolution might look like this:
 
 {% method %}
 {% sample lang="jl" %}
-[import:4-28, lang:"julia"](../code/julia/2d_convolution.jl)
+[import:4-28, lang:"julia"](code/julia/2d_convolution.jl)
 {% sample lang="py" %}
-[import:5-19, lang:"python"](../code/python/2d_convolution.py)
+[import:5-19, lang:"python"](code/python/2d_convolution.py)
 {% endmethod %}
 
 This is very similar to what we have shown in previous sections; however, it essentially requires four iterable dimensions because we need to iterate through each axis of the output domain *and* the filter.
@@ -49,9 +49,9 @@ At this stage, it is important to write some code, so we will generate a simple
 
 {% method %}
 {% sample lang="jl" %}
-[import:30-47, lang:"julia"](../code/julia/2d_convolution.jl)
+[import:30-47, lang:"julia"](code/julia/2d_convolution.jl)
 {% sample lang="py" %}
-[import:21-33, lang:"python"](../code/python/2d_convolution.py)
+[import:21-33, lang:"python"](code/python/2d_convolution.py)
 {% endmethod %}
 
 Though it is entirely possible to create a Gaussian kernel whose standard deviation is independent on the kernel size, we have decided to enforce a relation between the two in this chapter.
@@ -138,9 +138,9 @@ In code, the Sobel operator involves first finding the operators in $$x$$ and $$
 
 {% method %}
 {% sample lang="jl" %}
-[import:49-63, lang:"julia"](../code/julia/2d_convolution.jl)
+[import:49-63, lang:"julia"](code/julia/2d_convolution.jl)
 {% sample lang="py" %}
-[import:36-52, lang:"python"](../code/python/2d_convolution.py)
+[import:36-52, lang:"python"](code/python/2d_convolution.py)
 {% endmethod %}
 
 With that, I believe we are at a good place to stop discussions on two-dimensional convolutions.
@@ -153,9 +153,9 @@ We have also added code to create the Gaussian kernel and Sobel operator and app
 
 {% method %}
 {% sample lang="jl" %}
-[import, lang:"julia"](../code/julia/2d_convolution.jl)
+[import, lang:"julia"](code/julia/2d_convolution.jl)
 {% sample lang="py" %}
-[import, lang:"python"](../code/python/2d_convolution.py)
+[import, lang:"python"](code/python/2d_convolution.py)
 {% endmethod %}
 
 <script>

contents/convolutions/2d/2d.md

@@ -31,7 +31,7 @@ This means that the convolution theorem is fundamental to creating fast convolut
 
 {% method %}
 {% sample lang="jl" %}
-[import:5-8, lang:"julia"](../code/julia/convolutional_theorem.jl)
+[import:5-8, lang:"julia"](code/julia/convolutional_theorem.jl)
 {% endmethod %}
 
 This method also has the added advantage that it will *always output an array of the size of your signal*; however, if your signals are not of equal size, we need to pad the smaller signal with zeros.
@@ -41,7 +41,7 @@ Also note that the Fourier Transform is a periodic or cyclic operation, so there
 
 {% method %}
 {% sample lang="jl" %}
-[import, lang:"julia"](../code/julia/convolutional_theorem.jl)
+[import, lang:"julia"](code/julia/convolutional_theorem.jl)
 {% endmethod %}
 
 <script>