"""
A few commonly needed functions.

Backwards compatibility for direct imports.

Ported to Python 3.
"""

# The API importers expect:
from pyutil.mathutil import div_ceil, next_multiple, pad_size, is_power_of_k, next_power_of_k, ave, log_ceil, log_floor


# This function is not present in pyutil.mathutil:
def round_sigfigs(f, n):
    fmt = "%." + str(n-1) + "e"
    return float(fmt % f)

__all__ = ["div_ceil", "next_multiple", "pad_size", "is_power_of_k", "next_power_of_k", "ave", "log_ceil", "log_floor", "round_sigfigs"]