"""Cross-language check: identical released operators, independent assemblers."""
import json
from pathlib import Path
import numpy as np
from assembly import load,solve
root=Path(__file__).resolve().parents[1]
fixture=json.loads((root/'reports/browser_fixture.json').read_text())
r=fixture['request']; browser=fixture['result']
chain=[load(root/'data/components'/c['spec']['id']) for c in r['components']]
out=solve(chain,rolls=r.get('rolls'),deltaT=r['deltaT'],supports=r['supports'],nmodes=3)
errors={
 'displacement_relative':float(np.linalg.norm(out['q']-browser['q'])/np.linalg.norm(out['q'])),
 'frequency_max_relative':float(np.max(abs(out['frequency']/browser['frequency']-1))),
 'reaction_relative':float(np.linalg.norm(out['reaction']-browser['reaction'])/np.linalg.norm(out['reaction']))}
assert max(errors.values())<1e-6,errors
(root/'reports/browser_equivalence.json').write_text(json.dumps(errors,indent=2))
print(errors)