Inconsistent sig figs with values <1 about to-precision HOT 9 CLOSED

>>> from to_precision import *
>>> std_notation(0.989999, 3)
'0.990' # good
>>> std_notation(0.999999, 3)
'10.00' # 10x greater than correct answer, extra sig fig
>>> std_notation(1.999999, 3)
'2.00' # good
>>> std_notation(0.0999999, 3)
'1.000' # same problem as above

def _number_profile(value, precision):
  '''
  returns:
    string of significant digits
    10s exponent to get the dot to the proper location in the significant digits
    bool that's true if value is less than zero else false

    created by William Rusnack
      github.com/BebeSparkelSparkel
      linkedin.com/in/williamrusnack/
      [email protected]
    contributions by Thomas Hladish
      github.com/tjhladish
      Issue: github.com/BebeSparkelSparkel/to-precision/issues/5
  '''
  value = float(value)
  is_neg = value < 0
  value = abs(value)

  if value == 0:
    sig_digits = '0' * precision
    power = -(1 - precision)

  else:
    power = -1 * floor(log10(value)) + precision - 1
    
    # issue soved by Thomas Haladish
    # github.com/BebeSparkelSparkel/to-precision/issues/5
    value_power = value * 10.0**power
    if value < 1 and floor(log10(int(round(value_power)))) > floor(log10(int(value_power))):
      power -= 1
    sig_digits = str(int(round(value * 10.0**power))) # cannot use value_power because power is changed

  return sig_digits, int(-power), is_neg

def _number_profile(value, precision):
  '''
  returns:
    string of significant digits
    10s exponent to get the dot to the proper location in the significant digits
    bool that's true if value is less than zero else false

    created by William Rusnack
      github.com/BebeSparkelSparkel
      linkedin.com/in/williamrusnack/
      [email protected]
    contributions by Thomas Hladish
      github.com/tjhladish
      Issue: github.com/BebeSparkelSparkel/to-precision/issues/5
  '''
  value = float(value)
  is_neg = value < 0
  value = abs(value)

  if value == 0:
    sig_digits = '0' * precision
    power = -(1 - precision)

  else:
    power = -1 * floor(log10(value)) + precision - 1
    
    # issue soved by Thomas Haladish
    # github.com/BebeSparkelSparkel/to-precision/issues/5
    value_power = value * 10.0**power
    if value < 1 and floor(log10(int(round(value_power))) - sys.float_info.epsilon) > floor(log10(int(value_power))):
      power -= 1
    sig_digits = str(int(round(value * 10.0**power))) # cannot use value_power because power is changed

  return sig_digits, int(-power), is_neg