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7df9186 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 | #!/usr/bin/python
# make sim1 && ./sim1 invcheck | awk '/plot/{$1=""; print $0}' > inverse.dat
import numpy
from matplotlib import pyplot
from sys import argv
d = numpy.loadtxt('inverse.dat')
d = d.transpose()
x = d[0]
perfect = d[5]
g = d[1]/perfect
r1 = d[2]/perfect
r2 = d[3]/perfect
r3 = d[4]/perfect
ix = numpy.nonzero(x > 8192)
min_r2 = numpy.min(r2[ix])
max_r2 = numpy.max(r2[ix])
print("r2 min/max %.5f %.5f" % (min_r2, max_r2))
min_r3 = numpy.min(r3[ix])
max_r3 = numpy.max(r3[ix])
print("r3 min/max %.5f %.5f" % (min_r3, max_r3))
if len(argv) > 1 and argv[1] == 'plot':
pyplot.semilogx(x, g, x, r1, x, r2, x, r3)
pyplot.legend(['guess', 'r1', 'r2', 'r3'], loc='upper left')
pyplot.show()
# x range from 2^13 to 2^21 is 48 dB, but when used on |z|^2 in the
# context of cpx_inv_conj(), the dynamic range of z is only 24 dB.
if min(x[ix]) < 8300 and max(x) > 2050000 and\
min_r2 > 0.995 and max_r2 < 1.0018 and\
min_r3 > 0.9998 and max_r3 < 1.0018:
print("PASS")
else:
print("FAIL")
exit(1)
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