FPRef Class Reference

Inheritance diagram for FPRef:

Public Member Functions
	sort (self)
	ebits (self)
	sbits (self)
	as_string (self)
	__le__ (self, other)
	__lt__ (self, other)
	__ge__ (self, other)
	__gt__ (self, other)
	__add__ (self, other)
	__radd__ (self, other)
	__sub__ (self, other)
	__rsub__ (self, other)
	__mul__ (self, other)
	__rmul__ (self, other)
	__pos__ (self)
	__neg__ (self)
	__div__ (self, other)
	__rdiv__ (self, other)
	__truediv__ (self, other)
	__rtruediv__ (self, other)
	__mod__ (self, other)
	__rmod__ (self, other)
Public Member Functions inherited from ExprRef
	as_ast (self)
	get_id (self)
	sort_kind (self)
	__eq__ (self, other)
	__hash__ (self)
	__ne__ (self, other)
	params (self)
	decl (self)
	kind (self)
	num_args (self)
	arg (self, idx)
	children (self)
	update (self, *args)
	from_string (self, s)
	serialize (self)
Public Member Functions inherited from AstRef
	__init__ (self, ast, ctx=None)
	__del__ (self)
	__deepcopy__ (self, memo={})
	__str__ (self)
	__repr__ (self)
	__eq__ (self, other)
	__hash__ (self)
	__nonzero__ (self)
	__bool__ (self)
	sexpr (self)
	ctx_ref (self)
	eq (self, other)
	translate (self, target)
	__copy__ (self)
	hash (self)
	py_value (self)
Public Member Functions inherited from Z3PPObject
	use_pp (self)

Additional Inherited Members
Data Fields inherited from AstRef
	ast = ast
	ctx = _get_ctx(ctx)
Protected Member Functions inherited from Z3PPObject
	_repr_html_ (self)

Detailed Description

Floating-point expressions.

Definition at line 10297 of file z3py.py.

Member Function Documentation

__add__()

__add__	(		self,
			other )

Create the Z3 expression `self + other`.

>>> x = FP('x', FPSort(8, 24))
>>> y = FP('y', FPSort(8, 24))
>>> x + y
x + y
>>> (x + y).sort()
FPSort(8, 24)

Definition at line 10343 of file z3py.py.

    def __add__(self, other):
        """Create the Z3 expression `self + other`.
 
        >>> x = FP('x', FPSort(8, 24))
        >>> y = FP('y', FPSort(8, 24))
        >>> x + y
        x + y
        >>> (x + y).sort()
        FPSort(8, 24)
        """
        [a, b] = _coerce_fp_expr_list([self, other], self.ctx)
        return fpAdd(_dflt_rm(), a, b, self.ctx)
 

__div__()

__div__	(		self,
			other )

Create the Z3 expression `self / other`.

>>> x = FP('x', FPSort(8, 24))
>>> y = FP('y', FPSort(8, 24))
>>> x / y
x / y
>>> (x / y).sort()
FPSort(8, 24)
>>> 10 / y
1.25*(2**3) / y

Definition at line 10430 of file z3py.py.

    def __div__(self, other):
        """Create the Z3 expression `self / other`.
 
        >>> x = FP('x', FPSort(8, 24))
        >>> y = FP('y', FPSort(8, 24))
        >>> x / y
        x / y
        >>> (x / y).sort()
        FPSort(8, 24)
        >>> 10 / y
        1.25*(2**3) / y
        """
        [a, b] = _coerce_fp_expr_list([self, other], self.ctx)
        return fpDiv(_dflt_rm(), a, b, self.ctx)
 

__ge__()

__ge__	(		self,
			other )

Definition at line 10337 of file z3py.py.

    def __ge__(self, other):
        return fpGEQ(self, other, self.ctx)
 

__gt__()

__gt__	(		self,
			other )

Definition at line 10340 of file z3py.py.

    def __gt__(self, other):
        return fpGT(self, other, self.ctx)
 

__le__()

__le__	(		self,
			other )

Definition at line 10331 of file z3py.py.

    def __le__(self, other):
        return fpLEQ(self, other, self.ctx)
 

__lt__()

__lt__	(		self,
			other )

Definition at line 10334 of file z3py.py.

    def __lt__(self, other):
        return fpLT(self, other, self.ctx)
 

__mod__()

__mod__	(		self,
			other )

Create the Z3 expression mod `self % other`.

Definition at line 10466 of file z3py.py.

    def __mod__(self, other):
        """Create the Z3 expression mod `self % other`."""
        return fpRem(self, other)
 

__mul__()

__mul__	(		self,
			other )

Create the Z3 expression `self * other`.

>>> x = FP('x', FPSort(8, 24))
>>> y = FP('y', FPSort(8, 24))
>>> x * y
x * y
>>> (x * y).sort()
FPSort(8, 24)
>>> 10 * y
1.25*(2**3) * y

Definition at line 10389 of file z3py.py.

    def __mul__(self, other):
        """Create the Z3 expression `self * other`.
 
        >>> x = FP('x', FPSort(8, 24))
        >>> y = FP('y', FPSort(8, 24))
        >>> x * y
        x * y
        >>> (x * y).sort()
        FPSort(8, 24)
        >>> 10 * y
        1.25*(2**3) * y
        """
        [a, b] = _coerce_fp_expr_list([self, other], self.ctx)
        return fpMul(_dflt_rm(), a, b, self.ctx)
 

__neg__()

__neg__

(

self

)

Create the Z3 expression `-self`.

>>> x = FP('x', Float32())
>>> -x
-x

Definition at line 10421 of file z3py.py.

    def __neg__(self):
        """Create the Z3 expression `-self`.
 
        >>> x = FP('x', Float32())
        >>> -x
        -x
        """
        return fpNeg(self)
 

__pos__()

__pos__

(

self

)

Create the Z3 expression `+self`.

Definition at line 10417 of file z3py.py.

    def __pos__(self):
        """Create the Z3 expression `+self`."""
        return self
 

__radd__()

__radd__	(		self,
			other )

Create the Z3 expression `other + self`.

>>> x = FP('x', FPSort(8, 24))
>>> 10 + x
1.25*(2**3) + x

Definition at line 10356 of file z3py.py.

    def __radd__(self, other):
        """Create the Z3 expression `other + self`.
 
        >>> x = FP('x', FPSort(8, 24))
        >>> 10 + x
        1.25*(2**3) + x
        """
        [a, b] = _coerce_fp_expr_list([other, self], self.ctx)
        return fpAdd(_dflt_rm(), a, b, self.ctx)
 

__rdiv__()

__rdiv__	(		self,
			other )

Create the Z3 expression `other / self`.

>>> x = FP('x', FPSort(8, 24))
>>> y = FP('y', FPSort(8, 24))
>>> x / y
x / y
>>> x / 10
x / 1.25*(2**3)

Definition at line 10445 of file z3py.py.

    def __rdiv__(self, other):
        """Create the Z3 expression `other / self`.
 
        >>> x = FP('x', FPSort(8, 24))
        >>> y = FP('y', FPSort(8, 24))
        >>> x / y
        x / y
        >>> x / 10
        x / 1.25*(2**3)
        """
        [a, b] = _coerce_fp_expr_list([other, self], self.ctx)
        return fpDiv(_dflt_rm(), a, b, self.ctx)
 

__rmod__()

__rmod__	(		self,
			other )

Create the Z3 expression mod `other % self`.

Definition at line 10470 of file z3py.py.

    def __rmod__(self, other):
        """Create the Z3 expression mod `other % self`."""
        return fpRem(other, self)
 
 

__rmul__()

__rmul__	(		self,
			other )

Create the Z3 expression `other * self`.

>>> x = FP('x', FPSort(8, 24))
>>> y = FP('y', FPSort(8, 24))
>>> x * y
x * y
>>> x * 10
x * 1.25*(2**3)

Definition at line 10404 of file z3py.py.

    def __rmul__(self, other):
        """Create the Z3 expression `other * self`.
 
        >>> x = FP('x', FPSort(8, 24))
        >>> y = FP('y', FPSort(8, 24))
        >>> x * y
        x * y
        >>> x * 10
        x * 1.25*(2**3)
        """
        [a, b] = _coerce_fp_expr_list([other, self], self.ctx)
        return fpMul(_dflt_rm(), a, b, self.ctx)
 

__rsub__()

__rsub__	(		self,
			other )

Create the Z3 expression `other - self`.

>>> x = FP('x', FPSort(8, 24))
>>> 10 - x
1.25*(2**3) - x

Definition at line 10379 of file z3py.py.

    def __rsub__(self, other):
        """Create the Z3 expression `other - self`.
 
        >>> x = FP('x', FPSort(8, 24))
        >>> 10 - x
        1.25*(2**3) - x
        """
        [a, b] = _coerce_fp_expr_list([other, self], self.ctx)
        return fpSub(_dflt_rm(), a, b, self.ctx)
 

__rtruediv__()

__rtruediv__	(		self,
			other )

Create the Z3 expression division `other / self`.

Definition at line 10462 of file z3py.py.

    def __rtruediv__(self, other):
        """Create the Z3 expression division `other / self`."""
        return self.__rdiv__(other)
 

__sub__()

__sub__	(		self,
			other )

Create the Z3 expression `self - other`.

>>> x = FP('x', FPSort(8, 24))
>>> y = FP('y', FPSort(8, 24))
>>> x - y
x - y
>>> (x - y).sort()
FPSort(8, 24)

Definition at line 10366 of file z3py.py.

    def __sub__(self, other):
        """Create the Z3 expression `self - other`.
 
        >>> x = FP('x', FPSort(8, 24))
        >>> y = FP('y', FPSort(8, 24))
        >>> x - y
        x - y
        >>> (x - y).sort()
        FPSort(8, 24)
        """
        [a, b] = _coerce_fp_expr_list([self, other], self.ctx)
        return fpSub(_dflt_rm(), a, b, self.ctx)
 

__truediv__()

__truediv__	(		self,
			other )

Create the Z3 expression division `self / other`.

Definition at line 10458 of file z3py.py.

    def __truediv__(self, other):
        """Create the Z3 expression division `self / other`."""
        return self.__div__(other)
 

as_string()

as_string

(

self

)

Return a Z3 floating point expression as a Python string.

Reimplemented in FPNumRef.

Definition at line 10327 of file z3py.py.

    def as_string(self):
        """Return a Z3 floating point expression as a Python string."""
        return Z3_ast_to_string(self.ctx_ref(), self.as_ast())
 

ebits()

ebits

(

self

)

Retrieves the number of bits reserved for the exponent in the FloatingPoint expression `self`.
>>> b = FPSort(8, 24)
>>> b.ebits()
8

Definition at line 10311 of file z3py.py.

    def ebits(self):
        """Retrieves the number of bits reserved for the exponent in the FloatingPoint expression `self`.
        >>> b = FPSort(8, 24)
        >>> b.ebits()
        8
        """
        return self.sort().ebits()
 

sbits()

sbits

(

self

)

Retrieves the number of bits reserved for the exponent in the FloatingPoint expression `self`.
>>> b = FPSort(8, 24)
>>> b.sbits()
24

Definition at line 10319 of file z3py.py.

    def sbits(self):
        """Retrieves the number of bits reserved for the exponent in the FloatingPoint expression `self`.
        >>> b = FPSort(8, 24)
        >>> b.sbits()
        24
        """
        return self.sort().sbits()
 

sort()

sort

(

self

)

Return the sort of the floating-point expression `self`.

>>> x = FP('1.0', FPSort(8, 24))
>>> x.sort()
FPSort(8, 24)
>>> x.sort() == FPSort(8, 24)
True

Reimplemented from ExprRef.

Definition at line 10300 of file z3py.py.

    def sort(self):
        """Return the sort of the floating-point expression `self`.
 
        >>> x = FP('1.0', FPSort(8, 24))
        >>> x.sort()
        FPSort(8, 24)
        >>> x.sort() == FPSort(8, 24)
        True
        """
        return FPSortRef(Z3_get_sort(self.ctx_ref(), self.as_ast()), self.ctx)