diff options
Diffstat (limited to 'numpy/core')
| -rw-r--r-- | numpy/core/getlimits.py | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/numpy/core/getlimits.py b/numpy/core/getlimits.py index 5b5e69352..f74b45790 100644 --- a/numpy/core/getlimits.py +++ b/numpy/core/getlimits.py @@ -68,7 +68,8 @@ class MachArLike(object): params = _MACHAR_PARAMS[ftype] float_conv = lambda v: array([v], ftype) float_to_float = lambda v : _fr1(float_conv(v)) - float_to_str = lambda v: (params['fmt'] % array(_fr0(v)[0], ftype)) + self._float_to_str = lambda v: (params['fmt'] % + array(_fr0(v)[0], ftype)) self.title = params['title'] # Parameter types same as for discovered MachAr object. self.epsilon = self.eps = float_to_float(kwargs.pop('eps')) @@ -79,11 +80,30 @@ class MachArLike(object): self.__dict__.update(kwargs) self.precision = int(-log10(self.eps)) self.resolution = float_to_float(float_conv(10) ** (-self.precision)) - self._str_eps = float_to_str(self.eps) - self._str_epsneg = float_to_str(self.epsneg) - self._str_xmin = float_to_str(self.xmin) - self._str_xmax = float_to_str(self.xmax) - self._str_resolution = float_to_str(self.resolution) + + # Properties below to delay need for float_to_str, and thus avoid circular + # imports during early numpy module loading. + # See: https://github.com/numpy/numpy/pull/8983#discussion_r115838683 + + @property + def _str_eps(self): + return self._float_to_str(self.eps) + + @property + def _str_epsneg(self): + return self._float_to_str(self.epsneg) + + @property + def _str_xmin(self): + return self._float_to_str(self.xmin) + + @property + def _str_xmax(self): + return self._float_to_str(self.xmax) + + @property + def _str_resolution(self): + return self._float_to_str(self.resolution) # Known parameters for float16 |