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# coding: utf-8
from __future__ import print_function, absolute_import, division, unicode_literals
import sys
from .compat import no_limit_int # NOQA
from .anchor import Anchor
if False: # MYPY
from typing import Text, Any, Dict, List # NOQA
__all__ = ["ScalarFloat", "ExponentialFloat", "ExponentialCapsFloat"]
class ScalarFloat(float):
def __new__(cls, *args, **kw):
# type: (Any, Any, Any) -> Any
width = kw.pop("width", None) # type: ignore
prec = kw.pop("prec", None) # type: ignore
m_sign = kw.pop("m_sign", None) # type: ignore
m_lead0 = kw.pop("m_lead0", 0) # type: ignore
exp = kw.pop("exp", None) # type: ignore
e_width = kw.pop("e_width", None) # type: ignore
e_sign = kw.pop("e_sign", None) # type: ignore
underscore = kw.pop("underscore", None) # type: ignore
anchor = kw.pop("anchor", None) # type: ignore
v = float.__new__(cls, *args, **kw) # type: ignore
v._width = width
v._prec = prec
v._m_sign = m_sign
v._m_lead0 = m_lead0
v._exp = exp
v._e_width = e_width
v._e_sign = e_sign
v._underscore = underscore
if anchor is not None:
v.yaml_set_anchor(anchor, always_dump=True)
return v
def __iadd__(self, a): # type: ignore
# type: (Any) -> Any
return float(self) + a
x = type(self)(self + a)
x._width = self._width
x._underscore = (
self._underscore[:] if self._underscore is not None else None
) # NOQA
return x
def __ifloordiv__(self, a): # type: ignore
# type: (Any) -> Any
return float(self) // a
x = type(self)(self // a)
x._width = self._width
x._underscore = (
self._underscore[:] if self._underscore is not None else None
) # NOQA
return x
def __imul__(self, a): # type: ignore
# type: (Any) -> Any
return float(self) * a
x = type(self)(self * a)
x._width = self._width
x._underscore = (
self._underscore[:] if self._underscore is not None else None
) # NOQA
x._prec = self._prec # check for others
return x
def __ipow__(self, a): # type: ignore
# type: (Any) -> Any
return float(self) ** a
x = type(self)(self ** a)
x._width = self._width
x._underscore = (
self._underscore[:] if self._underscore is not None else None
) # NOQA
return x
def __isub__(self, a): # type: ignore
# type: (Any) -> Any
return float(self) - a
x = type(self)(self - a)
x._width = self._width
x._underscore = (
self._underscore[:] if self._underscore is not None else None
) # NOQA
return x
@property
def anchor(self):
# type: () -> Any
if not hasattr(self, Anchor.attrib):
setattr(self, Anchor.attrib, Anchor())
return getattr(self, Anchor.attrib)
def yaml_anchor(self, any=False):
# type: (bool) -> Any
if not hasattr(self, Anchor.attrib):
return None
if any or self.anchor.always_dump:
return self.anchor
return None
def yaml_set_anchor(self, value, always_dump=False):
# type: (Any, bool) -> None
self.anchor.value = value
self.anchor.always_dump = always_dump
def dump(self, out=sys.stdout):
# type: (Any) -> Any
out.write(
"ScalarFloat({}| w:{}, p:{}, s:{}, lz:{}, _:{}|{}, w:{}, s:{})\n".format(
self,
self._width, # type: ignore
self._prec, # type: ignore
self._m_sign, # type: ignore
self._m_lead0, # type: ignore
self._underscore, # type: ignore
self._exp, # type: ignore
self._e_width, # type: ignore
self._e_sign, # type: ignore
)
)
class ExponentialFloat(ScalarFloat):
def __new__(cls, value, width=None, underscore=None):
# type: (Any, Any, Any) -> Any
return ScalarFloat.__new__(cls, value, width=width, underscore=underscore)
class ExponentialCapsFloat(ScalarFloat):
def __new__(cls, value, width=None, underscore=None):
# type: (Any, Any, Any) -> Any
return ScalarFloat.__new__(cls, value, width=width, underscore=underscore)
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