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no longer use deprecated popen2 module

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Mark Borgerding 2019-02-01 07:20:01 -05:00
parent bc6a534c7b
commit e931ae3d4b
1 changed files with 7 additions and 13 deletions
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20
test/testkiss.py
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@ -1,5 +1,5 @@
#!/usr/bin/env python
# Copyright (c) 2003-2010, Mark Borgerding. All rights reserved.
# Copyright (c) 2003-2019, Mark Borgerding. All rights reserved.
# This file is part of KISS FFT - https://github.com/mborgerding/kissfft
#
# SPDX-License-Identifier: BSD-3-Clause
@ -10,13 +10,11 @@ import sys
import os
import random
import struct
import popen2
import getopt
import numpy
pi=math.pi
e=math.e
j=complex(0,1)
doreal=0
@ -55,7 +53,7 @@ def dounpack(x,cpx):
uf = fmt * ( len(x) / struct.calcsize(fmt) )
s = struct.unpack(uf,x)
if cpx:
return numpy.array(s[::2]) + numpy.array( s[1::2] )*j
return numpy.array(s[::2]) + numpy.array( s[1::2] )*1j
else:
return numpy.array(s )
@ -89,14 +87,11 @@ def randmat( ndims ):
def test_fft(ndims):
x=randmat( ndims )
if doreal:
xver = numpy.fft.rfftn(x)
else:
xver = numpy.fft.fftn(x)
open('/tmp/fftexp.dat','w').write(dopack( flatten(xver) , True ) )
x2=dofft(x,doreal)
err = xver - x2
errf = flatten(err)
@ -130,15 +125,14 @@ def dofft(x,isreal):
cmd += ' -R '
print cmd
p = popen2.Popen3(cmd )
open('/tmp/fftin.dat','w').write(dopack( x , isreal==False ) )
from subprocess import Popen,PIPE
p = Popen(cmd,shell=True,stdin=PIPE,stdout=PIPE )
p.tochild.write( dopack( x , isreal==False ) )
p.tochild.close()
p.stdin.write( dopack( x , isreal==False ) )
p.stdin.close()
res = dounpack( p.fromchild.read() , 1 )
open('/tmp/fftout.dat','w').write(dopack( flatten(res) , True ) )
res = dounpack( p.stdout.read() , 1 )
if doreal:
dims[-1] = int( dims[-1]/2 ) + 1