code: def count_to(ctx, t, T, V):
      count = 0
      vold = V[0]
      told = T[0]
      tnew = T[1]
      k = 1
      while tnew < t:
          vnew = V[k]
          if vold * vnew < 0:
              count += 1
          vold = vnew
          k += 1
          tnew = T[k]
      a = ctx.siegelz(t)
      if a * vold < 0:
          count += 1
      return count
  
file_path: catboost/contrib/python/mpmath/py3/mpmath/functions/zetazeros.py
imports: from .functions import defun, defun_wrapped
label_desc: Use image node_id 12 for calling a global function with example usage: count_to(ctx, t, T, V) and returns: count