From cd5ba6abcbde55cfc86f59b427cf02f617500ad4 Mon Sep 17 00:00:00 2001
From: Roman Zeyde <roman.zeyde@gmail.com>
Date: Thu, 28 Aug 2014 17:20:59 +0300
Subject: [PATCH] remove unused code

---
 amodem/dsp.py | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/amodem/dsp.py b/amodem/dsp.py
index b12554a..45a0d56 100644
--- a/amodem/dsp.py
+++ b/amodem/dsp.py
@@ -15,7 +15,6 @@ class Filter(object):
         self.x_state = [0] * len(self.b)
         self.y_state = [0] * (len(self.a) + 1)
 
-
     def __call__(self, x):
         x_, y_ = self.x_state, self.y_state
         for v in x:
@@ -138,10 +137,6 @@ class MODEM(object):
         ])
 
 
-def power(x):
-    return np.dot(x.conj(), x).real / len(x)
-
-
 def exp_iwt(freq, n):
     iwt = 2j * np.pi * freq * np.arange(n) * Ts
     return np.exp(iwt)