From 2a37418e83f48b0b9c8340a0ac8dfc19648eb85e Mon Sep 17 00:00:00 2001
From: Walter Bender <walter.bender@gmail.com>
Date: Tue, 20 Nov 2012 19:14:48 +0000
Subject: work around conversion error in recent numpy

---
diff --git a/drawwaveform.py b/drawwaveform.py
index cf1782a..c42a142 100644
--- a/drawwaveform.py
+++ b/drawwaveform.py
@@ -447,7 +447,8 @@ class DrawWaveform(gtk.DrawingArea):
                         # FFT
                         try:
                             # Multiply input with the window
-                            multiply(buf, self.fft_window, buf)
+                            multiply(buf.astype(float64), self.fft_window,
+                                     buf.astype(float64))
 
                             # Should be fast enough even without pow(2) stuff.
                             self.fftx = fft.rfft(buf)
--
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