Z3
 
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Public Member Functions
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 (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)
 
def from_string (self, s)
 
def serialize (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 __eq__ (self, other)
 
def __hash__ (self)
 
def __nonzero__ (self)
 
def __bool__ (self)
 
def sexpr (self)
 
def as_ast (self)
 
def get_id (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
 
- Protected Member Functions inherited from Z3PPObject
def _repr_html_ (self)
 

Detailed Description

Floating-point expressions.

Definition at line 9480 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 9526 of file z3py.py.

9526 def __add__(self, other):
9527 """Create the Z3 expression `self + other`.
9528
9529 >>> x = FP('x', FPSort(8, 24))
9530 >>> y = FP('y', FPSort(8, 24))
9531 >>> x + y
9532 x + y
9533 >>> (x + y).sort()
9534 FPSort(8, 24)
9535 """
9536 [a, b] = _coerce_fp_expr_list([self, other], self.ctx)
9537 return fpAdd(_dflt_rm(), a, b, self.ctx)
9538

◆ __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 9613 of file z3py.py.

9613 def __div__(self, other):
9614 """Create the Z3 expression `self / other`.
9615
9616 >>> x = FP('x', FPSort(8, 24))
9617 >>> y = FP('y', FPSort(8, 24))
9618 >>> x / y
9619 x / y
9620 >>> (x / y).sort()
9621 FPSort(8, 24)
9622 >>> 10 / y
9623 1.25*(2**3) / y
9624 """
9625 [a, b] = _coerce_fp_expr_list([self, other], self.ctx)
9626 return fpDiv(_dflt_rm(), a, b, self.ctx)
9627

Referenced by ArithRef.__truediv__(), BitVecRef.__truediv__(), and FPRef.__truediv__().

◆ __ge__()

def __ge__ (   self,
  other 
)

Definition at line 9520 of file z3py.py.

9520 def __ge__(self, other):
9521 return fpGEQ(self, other, self.ctx)
9522

◆ __gt__()

def __gt__ (   self,
  other 
)

Definition at line 9523 of file z3py.py.

9523 def __gt__(self, other):
9524 return fpGT(self, other, self.ctx)
9525

◆ __le__()

def __le__ (   self,
  other 
)

Definition at line 9514 of file z3py.py.

9514 def __le__(self, other):
9515 return fpLEQ(self, other, self.ctx)
9516

◆ __lt__()

def __lt__ (   self,
  other 
)

Definition at line 9517 of file z3py.py.

9517 def __lt__(self, other):
9518 return fpLT(self, other, self.ctx)
9519

◆ __mod__()

def __mod__ (   self,
  other 
)
Create the Z3 expression mod `self % other`.

Definition at line 9649 of file z3py.py.

9649 def __mod__(self, other):
9650 """Create the Z3 expression mod `self % other`."""
9651 return fpRem(self, other)
9652

◆ __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 9572 of file z3py.py.

9572 def __mul__(self, other):
9573 """Create the Z3 expression `self * other`.
9574
9575 >>> x = FP('x', FPSort(8, 24))
9576 >>> y = FP('y', FPSort(8, 24))
9577 >>> x * y
9578 x * y
9579 >>> (x * y).sort()
9580 FPSort(8, 24)
9581 >>> 10 * y
9582 1.25*(2**3) * y
9583 """
9584 [a, b] = _coerce_fp_expr_list([self, other], self.ctx)
9585 return fpMul(_dflt_rm(), a, b, self.ctx)
9586

◆ __neg__()

def __neg__ (   self)
Create the Z3 expression `-self`.

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

Definition at line 9604 of file z3py.py.

9604 def __neg__(self):
9605 """Create the Z3 expression `-self`.
9606
9607 >>> x = FP('x', Float32())
9608 >>> -x
9609 -x
9610 """
9611 return fpNeg(self)
9612

◆ __pos__()

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

Definition at line 9600 of file z3py.py.

9600 def __pos__(self):
9601 """Create the Z3 expression `+self`."""
9602 return self
9603

◆ __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 9539 of file z3py.py.

9539 def __radd__(self, other):
9540 """Create the Z3 expression `other + self`.
9541
9542 >>> x = FP('x', FPSort(8, 24))
9543 >>> 10 + x
9544 1.25*(2**3) + x
9545 """
9546 [a, b] = _coerce_fp_expr_list([other, self], self.ctx)
9547 return fpAdd(_dflt_rm(), a, b, self.ctx)
9548

◆ __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 9628 of file z3py.py.

9628 def __rdiv__(self, other):
9629 """Create the Z3 expression `other / self`.
9630
9631 >>> x = FP('x', FPSort(8, 24))
9632 >>> y = FP('y', FPSort(8, 24))
9633 >>> x / y
9634 x / y
9635 >>> x / 10
9636 x / 1.25*(2**3)
9637 """
9638 [a, b] = _coerce_fp_expr_list([other, self], self.ctx)
9639 return fpDiv(_dflt_rm(), a, b, self.ctx)
9640

Referenced by ArithRef.__rtruediv__(), BitVecRef.__rtruediv__(), and FPRef.__rtruediv__().

◆ __rmod__()

def __rmod__ (   self,
  other 
)
Create the Z3 expression mod `other % self`.

Definition at line 9653 of file z3py.py.

9653 def __rmod__(self, other):
9654 """Create the Z3 expression mod `other % self`."""
9655 return fpRem(other, self)
9656
9657

◆ __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 9587 of file z3py.py.

9587 def __rmul__(self, other):
9588 """Create the Z3 expression `other * self`.
9589
9590 >>> x = FP('x', FPSort(8, 24))
9591 >>> y = FP('y', FPSort(8, 24))
9592 >>> x * y
9593 x * y
9594 >>> x * 10
9595 x * 1.25*(2**3)
9596 """
9597 [a, b] = _coerce_fp_expr_list([other, self], self.ctx)
9598 return fpMul(_dflt_rm(), a, b, self.ctx)
9599

◆ __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 9562 of file z3py.py.

9562 def __rsub__(self, other):
9563 """Create the Z3 expression `other - self`.
9564
9565 >>> x = FP('x', FPSort(8, 24))
9566 >>> 10 - x
9567 1.25*(2**3) - x
9568 """
9569 [a, b] = _coerce_fp_expr_list([other, self], self.ctx)
9570 return fpSub(_dflt_rm(), a, b, self.ctx)
9571

◆ __rtruediv__()

def __rtruediv__ (   self,
  other 
)
Create the Z3 expression division `other / self`.

Definition at line 9645 of file z3py.py.

9645 def __rtruediv__(self, other):
9646 """Create the Z3 expression division `other / self`."""
9647 return self.__rdiv__(other)
9648

◆ __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 9549 of file z3py.py.

9549 def __sub__(self, other):
9550 """Create the Z3 expression `self - other`.
9551
9552 >>> x = FP('x', FPSort(8, 24))
9553 >>> y = FP('y', FPSort(8, 24))
9554 >>> x - y
9555 x - y
9556 >>> (x - y).sort()
9557 FPSort(8, 24)
9558 """
9559 [a, b] = _coerce_fp_expr_list([self, other], self.ctx)
9560 return fpSub(_dflt_rm(), a, b, self.ctx)
9561

◆ __truediv__()

def __truediv__ (   self,
  other 
)
Create the Z3 expression division `self / other`.

Definition at line 9641 of file z3py.py.

9641 def __truediv__(self, other):
9642 """Create the Z3 expression division `self / other`."""
9643 return self.__div__(other)
9644

◆ as_string()

def as_string (   self)
Return a Z3 floating point expression as a Python string.

Reimplemented in FPNumRef.

Definition at line 9510 of file z3py.py.

9510 def as_string(self):
9511 """Return a Z3 floating point expression as a Python string."""
9512 return Z3_ast_to_string(self.ctx_ref(), self.as_ast())
9513
Z3_string Z3_API Z3_ast_to_string(Z3_context c, Z3_ast a)
Convert the given AST node into a string.

Referenced by IntNumRef.as_long(), BitVecNumRef.as_long(), and FiniteDomainNumRef.as_long().

◆ 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 9494 of file z3py.py.

9494 def ebits(self):
9495 """Retrieves the number of bits reserved for the exponent in the FloatingPoint expression `self`.
9496 >>> b = FPSort(8, 24)
9497 >>> b.ebits()
9498 8
9499 """
9500 return self.sort().ebits()
9501

Referenced by FPRef.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 9502 of file z3py.py.

9502 def sbits(self):
9503 """Retrieves the number of bits reserved for the exponent in the FloatingPoint expression `self`.
9504 >>> b = FPSort(8, 24)
9505 >>> b.sbits()
9506 24
9507 """
9508 return self.sort().sbits()
9509

Referenced by FPRef.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 9483 of file z3py.py.

9483 def sort(self):
9484 """Return the sort of the floating-point expression `self`.
9485
9486 >>> x = FP('1.0', FPSort(8, 24))
9487 >>> x.sort()
9488 FPSort(8, 24)
9489 >>> x.sort() == FPSort(8, 24)
9490 True
9491 """
9492 return FPSortRef(Z3_get_sort(self.ctx_ref(), self.as_ast()), self.ctx)
9493
Z3_sort Z3_API Z3_get_sort(Z3_context c, Z3_ast a)
Return the sort of an AST node.

Referenced by FPRef.__add__(), FPRef.__div__(), FPRef.__mul__(), FPRef.__sub__(), FPNumRef.as_string(), ArrayRef.domain(), ArrayRef.domain_n(), FPRef.ebits(), ArithRef.is_int(), ArithRef.is_real(), ArrayRef.range(), FPRef.sbits(), BitVecRef.size(), and ExprRef.sort_kind().