FPRef Class Reference

Inheritance diagram for FPRef:

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

Additional Inherited Members
Data Fields inherited from AstRef
	ast
	ctx

Detailed Description

Floating-point expressions.

Definition at line 9306 of file z3py.py.

Member Function Documentation

__add__()

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)

Definition at line 9352 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__()

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

Definition at line 9439 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)
 

Referenced by FPRef.__truediv__().

__ge__()

def __ge__	(		self,
			other
	)

Definition at line 9346 of file z3py.py.

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

__gt__()

def __gt__	(		self,
			other
	)

Definition at line 9349 of file z3py.py.

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

__le__()

def __le__	(		self,
			other
	)

Definition at line 9340 of file z3py.py.

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

__lt__()

def __lt__	(		self,
			other
	)

Definition at line 9343 of file z3py.py.

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

__mod__()

def __mod__	(		self,
			other
	)

Create the Z3 expression mod `self % other`.

Definition at line 9475 of file z3py.py.

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

__mul__()

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

Definition at line 9398 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__()

def __neg__

(

self

)

Create the Z3 expression `-self`.

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

Definition at line 9430 of file z3py.py.

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

__pos__()

def __pos__

(

self

)

Create the Z3 expression `+self`.

Definition at line 9426 of file z3py.py.

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

__radd__()

def __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 9365 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__()

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)

Definition at line 9454 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)
 

Referenced by FPRef.__rtruediv__().

__rmod__()

def __rmod__	(		self,
			other
	)

Create the Z3 expression mod `other % self`.

Definition at line 9479 of file z3py.py.

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

__rmul__()

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)

Definition at line 9413 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__()

def __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 9388 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__()

def __rtruediv__	(		self,
			other
	)

Create the Z3 expression division `other / self`.

Definition at line 9471 of file z3py.py.

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

__sub__()

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)

Definition at line 9375 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__()

def __truediv__	(		self,
			other
	)

Create the Z3 expression division `self / other`.

Definition at line 9467 of file z3py.py.

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

as_string()

def as_string

(

self

)

Return a Z3 floating point expression as a Python string.

Reimplemented in FPNumRef.

Definition at line 9336 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()

def 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 9320 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()

def 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 9328 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()

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

Reimplemented from ExprRef.

Definition at line 9309 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)