Z3
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FPSortRef Class Reference
Inheritance diagram for FPSortRef:

Public Member Functions

 ebits (self)
 sbits (self)
 cast (self, val)
Public Member Functions inherited from SortRef
 as_ast (self)
 get_id (self)
 kind (self)
 subsort (self, other)
 name (self)
 __eq__ (self, other)
 __ne__ (self, other)
 __gt__ (self, other)
 __hash__ (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 sort.

Definition at line 10325 of file z3py.py.

Member Function Documentation

◆ cast()

cast ( self,
val )
Try to cast `val` as a floating-point expression.
>>> b = FPSort(8, 24)
>>> b.cast(1.0)
1
>>> b.cast(1.0).sexpr()
'(fp #b0 #x7f #b00000000000000000000000)'

Reimplemented from SortRef.

Definition at line 10344 of file z3py.py.

10344 def cast(self, val):
10345 """Try to cast `val` as a floating-point expression.
10346 >>> b = FPSort(8, 24)
10347 >>> b.cast(1.0)
10348 1
10349 >>> b.cast(1.0).sexpr()
10350 '(fp #b0 #x7f #b00000000000000000000000)'
10351 """
10352 if is_expr(val):
10353 if z3_debug():
10354 _z3_assert(self.ctx == val.ctx, "Context mismatch")
10355 return val
10356 else:
10357 return FPVal(val, None, self, self.ctx)
10358
10359

◆ ebits()

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

Definition at line 10328 of file z3py.py.

10328 def ebits(self):
10329 """Retrieves the number of bits reserved for the exponent in the FloatingPoint sort `self`.
10330 >>> b = FPSort(8, 24)
10331 >>> b.ebits()
10332 8
10333 """
10334 return int(Z3_fpa_get_ebits(self.ctx_ref(), self.ast))
10335
unsigned Z3_API Z3_fpa_get_ebits(Z3_context c, Z3_sort s)
Retrieves the number of bits reserved for the exponent in a FloatingPoint sort.

◆ sbits()

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

Definition at line 10336 of file z3py.py.

10336 def sbits(self):
10337 """Retrieves the number of bits reserved for the significand in the FloatingPoint sort `self`.
10338 >>> b = FPSort(8, 24)
10339 >>> b.sbits()
10340 24
10341 """
10342 return int(Z3_fpa_get_sbits(self.ctx_ref(), self.ast))
10343
unsigned Z3_API Z3_fpa_get_sbits(Z3_context c, Z3_sort s)
Retrieves the number of bits reserved for the significand in a FloatingPoint sort.