"""Independent finite construction checks. Standard library only; no model training.
Run: python this_file.py. Stdout contains the two figure datasets.
"""
import json, math
from itertools import product, combinations
from fractions import Fraction as F
figures=[]
fs=24000;hop=320;fps=fs/hop;qs=[1,2,4,8];K=1024;bits=math.ceil(math.log2(K));rates=[fps*q*bits for q in qs]
assert fps==75 and rates==[750,1500,3000,6000]
for q in qs:assert 2*fps*q==150*q
figures.append(dict(id="codec-index-rate",x=qs,y=rates))
ms=[1,2,4,8];latencies=[(2+m)*1000/fps+10 for m in ms]
for a,b in zip(latencies,[50,63.333333333333336,90,143.33333333333334]):assert math.isclose(a,b,abs_tol=1e-10)
figures.append(dict(id="packet-latency",x=ms,y=latencies))
assert len(figures)==2
print(json.dumps({"status":"PASS","scope":"Constructed analytic examples only; not neural training, a benchmark, or measured hardware performance.","figures":figures},indent=2))