Z3
Loading...
Searching...
No Matches
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 10436 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 10482 of file z3py.py.

10482 def __add__(self, other):
10483 """Create the Z3 expression `self + other`.
10484
10485 >>> x = FP('x', FPSort(8, 24))
10486 >>> y = FP('y', FPSort(8, 24))
10487 >>> x + y
10488 x + y
10489 >>> (x + y).sort()
10490 FPSort(8, 24)
10491 """
10492 [a, b] = _coerce_fp_expr_list([self, other], self.ctx)
10493 return fpAdd(_dflt_rm(), a, b, self.ctx)
10494

◆ __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 10569 of file z3py.py.

10569 def __div__(self, other):
10570 """Create the Z3 expression `self / other`.
10571
10572 >>> x = FP('x', FPSort(8, 24))
10573 >>> y = FP('y', FPSort(8, 24))
10574 >>> x / y
10575 x / y
10576 >>> (x / y).sort()
10577 FPSort(8, 24)
10578 >>> 10 / y
10579 1.25*(2**3) / y
10580 """
10581 [a, b] = _coerce_fp_expr_list([self, other], self.ctx)
10582 return fpDiv(_dflt_rm(), a, b, self.ctx)
10583

◆ __ge__()

__ge__ ( self,
other )

Definition at line 10476 of file z3py.py.

10476 def __ge__(self, other):
10477 return fpGEQ(self, other, self.ctx)
10478

◆ __gt__()

__gt__ ( self,
other )

Definition at line 10479 of file z3py.py.

10479 def __gt__(self, other):
10480 return fpGT(self, other, self.ctx)
10481

◆ __le__()

__le__ ( self,
other )

Definition at line 10470 of file z3py.py.

10470 def __le__(self, other):
10471 return fpLEQ(self, other, self.ctx)
10472

◆ __lt__()

__lt__ ( self,
other )

Definition at line 10473 of file z3py.py.

10473 def __lt__(self, other):
10474 return fpLT(self, other, self.ctx)
10475

◆ __mod__()

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

Definition at line 10605 of file z3py.py.

10605 def __mod__(self, other):
10606 """Create the Z3 expression mod `self % other`."""
10607 return fpRem(self, other)
10608

◆ __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 10528 of file z3py.py.

10528 def __mul__(self, other):
10529 """Create the Z3 expression `self * other`.
10530
10531 >>> x = FP('x', FPSort(8, 24))
10532 >>> y = FP('y', FPSort(8, 24))
10533 >>> x * y
10534 x * y
10535 >>> (x * y).sort()
10536 FPSort(8, 24)
10537 >>> 10 * y
10538 1.25*(2**3) * y
10539 """
10540 [a, b] = _coerce_fp_expr_list([self, other], self.ctx)
10541 return fpMul(_dflt_rm(), a, b, self.ctx)
10542

◆ __neg__()

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

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

Definition at line 10560 of file z3py.py.

10560 def __neg__(self):
10561 """Create the Z3 expression `-self`.
10562
10563 >>> x = FP('x', Float32())
10564 >>> -x
10565 -x
10566 """
10567 return fpNeg(self)
10568

◆ __pos__()

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

Definition at line 10556 of file z3py.py.

10556 def __pos__(self):
10557 """Create the Z3 expression `+self`."""
10558 return self
10559

◆ __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 10495 of file z3py.py.

10495 def __radd__(self, other):
10496 """Create the Z3 expression `other + self`.
10497
10498 >>> x = FP('x', FPSort(8, 24))
10499 >>> 10 + x
10500 1.25*(2**3) + x
10501 """
10502 [a, b] = _coerce_fp_expr_list([other, self], self.ctx)
10503 return fpAdd(_dflt_rm(), a, b, self.ctx)
10504

◆ __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 10584 of file z3py.py.

10584 def __rdiv__(self, other):
10585 """Create the Z3 expression `other / self`.
10586
10587 >>> x = FP('x', FPSort(8, 24))
10588 >>> y = FP('y', FPSort(8, 24))
10589 >>> x / y
10590 x / y
10591 >>> x / 10
10592 x / 1.25*(2**3)
10593 """
10594 [a, b] = _coerce_fp_expr_list([other, self], self.ctx)
10595 return fpDiv(_dflt_rm(), a, b, self.ctx)
10596

◆ __rmod__()

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

Definition at line 10609 of file z3py.py.

10609 def __rmod__(self, other):
10610 """Create the Z3 expression mod `other % self`."""
10611 return fpRem(other, self)
10612
10613

◆ __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 10543 of file z3py.py.

10543 def __rmul__(self, other):
10544 """Create the Z3 expression `other * self`.
10545
10546 >>> x = FP('x', FPSort(8, 24))
10547 >>> y = FP('y', FPSort(8, 24))
10548 >>> x * y
10549 x * y
10550 >>> x * 10
10551 x * 1.25*(2**3)
10552 """
10553 [a, b] = _coerce_fp_expr_list([other, self], self.ctx)
10554 return fpMul(_dflt_rm(), a, b, self.ctx)
10555

◆ __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 10518 of file z3py.py.

10518 def __rsub__(self, other):
10519 """Create the Z3 expression `other - self`.
10520
10521 >>> x = FP('x', FPSort(8, 24))
10522 >>> 10 - x
10523 1.25*(2**3) - x
10524 """
10525 [a, b] = _coerce_fp_expr_list([other, self], self.ctx)
10526 return fpSub(_dflt_rm(), a, b, self.ctx)
10527

◆ __rtruediv__()

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

Definition at line 10601 of file z3py.py.

10601 def __rtruediv__(self, other):
10602 """Create the Z3 expression division `other / self`."""
10603 return self.__rdiv__(other)
10604

◆ __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 10505 of file z3py.py.

10505 def __sub__(self, other):
10506 """Create the Z3 expression `self - other`.
10507
10508 >>> x = FP('x', FPSort(8, 24))
10509 >>> y = FP('y', FPSort(8, 24))
10510 >>> x - y
10511 x - y
10512 >>> (x - y).sort()
10513 FPSort(8, 24)
10514 """
10515 [a, b] = _coerce_fp_expr_list([self, other], self.ctx)
10516 return fpSub(_dflt_rm(), a, b, self.ctx)
10517

◆ __truediv__()

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

Definition at line 10597 of file z3py.py.

10597 def __truediv__(self, other):
10598 """Create the Z3 expression division `self / other`."""
10599 return self.__div__(other)
10600

◆ as_string()

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

Reimplemented in FPNumRef.

Definition at line 10466 of file z3py.py.

10466 def as_string(self):
10467 """Return a Z3 floating point expression as a Python string."""
10468 return Z3_ast_to_string(self.ctx_ref(), self.as_ast())
10469
Z3_string Z3_API Z3_ast_to_string(Z3_context c, Z3_ast a)
Convert the given AST node into a string.

◆ 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 10450 of file z3py.py.

10450 def ebits(self):
10451 """Retrieves the number of bits reserved for the exponent in the FloatingPoint expression `self`.
10452 >>> b = FPSort(8, 24)
10453 >>> b.ebits()
10454 8
10455 """
10456 return self.sort().ebits()
10457

◆ 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 10458 of file z3py.py.

10458 def sbits(self):
10459 """Retrieves the number of bits reserved for the exponent in the FloatingPoint expression `self`.
10460 >>> b = FPSort(8, 24)
10461 >>> b.sbits()
10462 24
10463 """
10464 return self.sort().sbits()
10465

◆ 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 10439 of file z3py.py.

10439 def sort(self):
10440 """Return the sort of the floating-point expression `self`.
10441
10442 >>> x = FP('1.0', FPSort(8, 24))
10443 >>> x.sort()
10444 FPSort(8, 24)
10445 >>> x.sort() == FPSort(8, 24)
10446 True
10447 """
10448 return FPSortRef(Z3_get_sort(self.ctx_ref(), self.as_ast()), self.ctx)
10449
Z3_sort Z3_API Z3_get_sort(Z3_context c, Z3_ast a)
Return the sort of an AST node.