first files

.gitignore

@@ -26,6 +26,7 @@ share/python-wheels/
 .installed.cfg
 *.egg
 MANIFEST
+*.ipynb
 
 # PyInstaller
 #  Usually these files are written by a python script from a template

mcw2_128.txt

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mcw2_4.txt

@@ -0,0 +1,4 @@
+-1
+10
+111
+-1.9

wavelet.py

@@ -0,0 +1,53 @@
+#!/bin/python3
+
+import numpy as np
+
+
+class Wavelet:
+    def __init__(self, m, g):
+        self.m = m
+        self.g = g
+        self.mg = m * g
+        self.A = None
+        self.mcw = None
+
+    def _allocate_a_matrix(self):
+        if self.A is None:
+            self.A = np.zeros((self.m, self.mg))
+
+    def _get_raw_lines(self, file, type=float):
+        with open(file, 'r') as file:
+            flatten = [type(l) for l in file.readlines()]
+            size = int(np.size(flatten))
+            step = int(size / self.m)
+            for i in np.arange(0, size, step):
+                yield flatten[i: i + step]
+
+    def _set_a_coefficients(self, file):
+        """Loads A with coefficients defined on raw file `file`"""
+        self._allocate_a_matrix()
+        lines = self._get_raw_lines(file)
+        for i in range(self.m):
+            self.A[i] = next(lines)
+
+    def _allocate_mcw(self, message_length):
+        """MCW matrix will be rotated, so it has m as number of lines"""
+        if self.mcw is None:
+            self.mcw = np.zeros((self.m, message_length + self.mg - self.m))
+
+    def mcw_from_coefficients(self, file, message_length):
+        self._set_a_coefficients(file)
+        self._allocate_mcw(message_length)
+        self.mcw[:self.m, :self.mg] = self.A
+
+    def displace_mcw(self, pad):
+        self.mcw = np.roll(self.mcw, self.m * pad)
+
+    def get_encoded_output(self):
+        return np.zeros((self.mcw.shape[1]))
+
+    def encode(self, message):
+        pass
+
+
+