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 10186 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 10205 of file z3py.py.

10205 def cast(self, val):
10206 """Try to cast `val` as a floating-point expression.
10207 >>> b = FPSort(8, 24)
10208 >>> b.cast(1.0)
10209 1
10210 >>> b.cast(1.0).sexpr()
10211 '(fp #b0 #x7f #b00000000000000000000000)'
10212 """
10213 if is_expr(val):
10214 if z3_debug():
10215 _z3_assert(self.ctx == val.ctx, "Context mismatch")
10216 return val
10217 else:
10218 return FPVal(val, None, self, self.ctx)
10219
10220

◆ 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 10189 of file z3py.py.

10189 def ebits(self):
10190 """Retrieves the number of bits reserved for the exponent in the FloatingPoint sort `self`.
10191 >>> b = FPSort(8, 24)
10192 >>> b.ebits()
10193 8
10194 """
10195 return int(Z3_fpa_get_ebits(self.ctx_ref(), self.ast))
10196
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 10197 of file z3py.py.

10197 def sbits(self):
10198 """Retrieves the number of bits reserved for the significand in the FloatingPoint sort `self`.
10199 >>> b = FPSort(8, 24)
10200 >>> b.sbits()
10201 24
10202 """
10203 return int(Z3_fpa_get_sbits(self.ctx_ref(), self.ast))
10204
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.