Merge pull request 'devel: Ready for pre-release' (#1) from devel into masterv0.1

Reviewed-on: https://code.bitgloo.com/clyne/stmdspgui/pulls/1

1 files changed, 30 insertions, 0 deletions

diff --git a/examples/1_convolve_simple.cpp b/examples/1_convolve_simple.cpp
new file mode 100644
index 0000000..95877f1
--- /dev/null
+++ b/examples/1_convolve_simple.cpp
@@ -0,0 +1,30 @@
+/**
+ * 1_convolve_simple.cpp
+ * Written by Clyne Sullivan.
+ *
+ * Computes a convolution in the simplest way possible. While the code is brief, it lacks many
+ * possible optimizations. The convolution's result will not fill the output buffer either, as the
+ * transient response is not calculated.
+ */
+
+Sample* process_data(Samples samples)
+{
+    // Define our output buffer.
+    static Samples buffer;
+
+    // Define our filter
+    constexpr unsigned int filter_size = 3;
+	float filter[filter_size] = {
+        0.3333, 0.3333, 0.3333
+    };
+
+    // Begin convolving:
+    // SIZE is the size of the sample buffer.
+    for (int n = 0; n < SIZE - (filter_size - 1); n++) {
+        buffer[n] = 0;
+        for (int k = 0; k < filter_size; k++)
+            buffer[n] += samples[n + k] * filter[k];
+    }
+
+    return buffer;
+}