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From f563d86e72b32caa296ac77b0836ce0e36a5f6ab Mon Sep 17 00:00:00 2001
From: Sebastian Walter <sebastian.walter@iwr.uni-heidelberg.de>
Date: Thu, 30 Jun 2016 15:11:19 +0200
Subject: [PATCH] Problem: numpy raised TypeError: Cannot cast ufunc add output
from dtype('complex128') to dtype('float64') with casting rule 'same_kind'
Solution: use numpy.add(x,y,out=x, casting='unsafe') to cast from complex to
float if necessary
---
algopy/utpm/algorithms.py | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/algopy/utpm/algorithms.py b/algopy/utpm/algorithms.py
index ccf7ca4..5f2651e 100644
--- a/algopy/utpm/algorithms.py
+++ b/algopy/utpm/algorithms.py
@@ -1190,9 +1190,9 @@ def _dot(cls, x_data, y_data, out = None):
for d in range(D):
for p in range(P):
for c in range(d+1):
- z_data[d,p,...] += numpy.dot(
- x_data[c,p,...],
- y_data[d-c,p,...])
+ tmp = numpy.dot(x_data[c,p,...],
+ y_data[d-c,p,...])
+ numpy.add(z_data[d,p,...], tmp, out=z_data[d,p, ...], casting='unsafe')
return out
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