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generate_coefs.py: fix compatibility with modern NumPy

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Reported by apteryx.
This commit is contained in:
Tillmann Karras
2026-09-04 22:18:14 +01:00
parent ca8c6ee45e
commit 5d4cf0ec65
1 changed files with 9 additions and 7 deletions
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docs/DSP/free_dsp_rom/generate_coefs.py
Regular → Executable
+9 -7
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@@ -1,4 +1,6 @@
from numpy import *
#!/usr/bin/env python3
import numpy as np
from struct import pack
def convert_coefs(c):
@@ -12,14 +14,14 @@ def convert_coefs(c):
def pack_coefs(short_coefs):
return b''.join(pack('>H', c) for c in short_coefs)
x = linspace(-2, 2, 512, endpoint=True)
x = np.linspace(-2, 2, 512, endpoint=True)
w1 = hamming(512)
w2 = kaiser(512, pi * 9/4)
w1 = np.hamming(512)
w2 = np.kaiser(512, np.pi * 9/4)
coef_1 = [sinc(n * 0.5) for n in x] * w1
coef_2 = [sinc(n * 0.75) for n in x] * w2
coef_3 = [sinc(n) for n in x] * w1
coef_1 = [np.sinc(n * 0.5) for n in x] * w1
coef_2 = [np.sinc(n * 0.75) for n in x] * w2
coef_3 = [np.sinc(n) for n in x] * w1
short_coefs = convert_coefs(coef_1) + convert_coefs(coef_2) + convert_coefs(coef_3) + [0] * 512