summaryrefslogtreecommitdiff
path: root/gnuradio-runtime/lib/math
diff options
context:
space:
mode:
authorMarcus Müller <marcus@hostalia.de>2018-06-25 19:28:29 +0200
committerMarcus Müller <marcus@hostalia.de>2018-06-25 19:28:29 +0200
commit03ae7938351f01313d30a41927ffb77670fcca14 (patch)
tree586744f0e2b7560dc161f2a7a60030155d43ce8a /gnuradio-runtime/lib/math
parentd78f7fcd0dadd362fcdc99194da5343a506eb519 (diff)
parentc66aec4dfae559004e88da968d1ce57584e144ee (diff)
Merge branch 'next_python3' into next
This brings Python3 to `next`. It also brings * a bump in SWIG dependency version * various GRC improvements, * YAML instead of XML in GRC * a lot of broken unit tests
Diffstat (limited to 'gnuradio-runtime/lib/math')
-rw-r--r--[-rwxr-xr-x]gnuradio-runtime/lib/math/gen_sine_table.py6
1 files changed, 4 insertions, 2 deletions
diff --git a/gnuradio-runtime/lib/math/gen_sine_table.py b/gnuradio-runtime/lib/math/gen_sine_table.py
index d7d11eff11..75e3a0c58f 100755..100644
--- a/gnuradio-runtime/lib/math/gen_sine_table.py
+++ b/gnuradio-runtime/lib/math/gen_sine_table.py
@@ -20,6 +20,8 @@
# Boston, MA 02110-1301, USA.
#
+from __future__ import division
+from __future__ import unicode_literals
import math
import sys
@@ -38,8 +40,8 @@ def gen_approx_table (f, nentries, min_x, max_x):
for i in range (nentries):
a = (i * incx) + min_x
b = ((i + 1) * incx) + min_x
- m = (f(b)-f(a))/(b-a)
- c = (3*a+b)*(f(a)-f(b))/(4*(b-a)) + (f((a+b)/2) + f(a))/2
+ m = (f(b)-f(a)) / (b-a)
+ c = (3*a+b)*(f(a)-f(b))/(4*(b-a)) + (f(old_div((a+b) / 2) + f(a)),2)
abs_error = c+m*a-f(a)
r.append ((m, c, abs_error))
return r