mirror of
https://github.com/Z3Prover/z3
synced 2025-11-04 05:19:11 +00:00
Bugfixes for the Python FPA API
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
This commit is contained in:
Christoph M. Wintersteiger
parent
0ab54b9e0c
commit
c3ff342bea
2 changed files with 229 additions and 122 deletions
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@ -7509,7 +7509,7 @@ class FPSortRef(SortRef):
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def sbits(self):
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"""Retrieves the number of bits reserved for the exponent in the FloatingPoint sort `self`.
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>>> b = FloatingPointSort(8, 24)
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>>> b = FPSort(8, 24)
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>>> b.sbits()
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24
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"""
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@ -7520,9 +7520,9 @@ class FPSortRef(SortRef):
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>>> b = FPSort(8, 24)
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>>> b.cast(1.0)
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1.0
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1
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>>> b.cast(1.0).sexpr()
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'1.0'
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'(fp #b0 #x7f #b00000000000000000000000)'
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"""
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if is_expr(val):
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if __debug__:
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@ -7579,7 +7579,7 @@ class FPRMSortRef(SortRef):
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def is_fp_sort(s):
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"""Return True if `s` is a Z3 floating-point sort.
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>>> is_fp_sort(FloatingPointSort(8, 24))
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>>> is_fp_sort(FPSort(8, 24))
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True
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>>> is_fp_sort(IntSort())
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False
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@ -7591,10 +7591,10 @@ def is_fprm_sort(s):
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>>> is_fprm_sort(FPSort(8, 24))
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False
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>>> is_fprm_sort()
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False
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>>> is_fprm_sort(RNE().sort())
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True
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"""
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return isinstance(s, FPSortRef)
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return isinstance(s, FPRMSortRef)
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### FP Expressions
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@ -7606,15 +7606,15 @@ class FPRef(ExprRef):
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>>> x = FP('1.0', FPSort(8, 24))
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>>> x.sort()
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(_ FloatingPoint 8 24)
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>>> x.sort() == FloatingPointSort(8, 24)
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FPSort(8, 24)
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>>> x.sort() == FPSort(8, 24)
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True
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"""
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return FPSortRef(Z3_get_sort(self.ctx_ref(), self.as_ast()), self.ctx)
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def ebits(self):
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"""Retrieves the number of bits reserved for the exponent in the FloatingPoint expression `self`.
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>>> b = FloatingPointSort(8, 24)
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>>> b = FPSort(8, 24)
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>>> b.ebits()
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8
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"""
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@ -7622,7 +7622,7 @@ class FPRef(ExprRef):
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def sbits(self):
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"""Retrieves the number of bits reserved for the exponent in the FloatingPoint expression `self`.
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>>> b = FloatingPointSort(8, 24)
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>>> b = FPSort(8, 24)
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>>> b.sbits()
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24
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"""
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@ -7651,12 +7651,12 @@ class FPRef(ExprRef):
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def __add__(self, other):
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"""Create the Z3 expression `self + other`.
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>>> x = FP('x', 8, 24)
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>>> y = FP('y', 8, 24)
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>>> x = FP('x', FPSort(8, 24))
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>>> y = FP('y', FPSort(8, 24))
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>>> x + y
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x + y
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>>> (x + y).sort()
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FloatingPoint(8 24)
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FPSort(8, 24)
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"""
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a, b = z3._coerce_exprs(self, other)
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return fpAdd(_dflt_rm(), self, other)
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@ -7666,7 +7666,7 @@ class FPRef(ExprRef):
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>>> x = FP('x', FPSort(8, 24))
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>>> 10 + x
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10 + x
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1.25*(2**3) + x
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"""
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a, b = _coerce_exprs(self, other)
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return fpAdd(_dflt_rm(), other, self)
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@ -7674,12 +7674,12 @@ class FPRef(ExprRef):
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def __sub__(self, other):
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"""Create the Z3 expression `self - other`.
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>>> x = FP('x', 8, 24)
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>>> y = FP('y', 8, 24)
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>>> x = FP('x', FPSort(8, 24))
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>>> y = FP('y', FPSort(8, 24))
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>>> x - y
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x - y
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>>> (x - y).sort()
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FloatingPoint(8 24)
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FPSort(8, 24)
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"""
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a, b = z3._coerce_exprs(self, other)
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return fpSub(_dflt_rm(), self, other)
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@ -7689,7 +7689,7 @@ class FPRef(ExprRef):
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>>> x = FP('x', FPSort(8, 24))
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>>> 10 - x
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10 - x
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1.25*(2**3) - x
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"""
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a, b = _coerce_exprs(self, other)
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return fpSub(_dflt_rm(), other, self)
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@ -7697,22 +7697,27 @@ class FPRef(ExprRef):
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def __mul__(self, other):
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"""Create the Z3 expression `self * other`.
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>>> x = FP('x', 8, 24)
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>>> y = FP('y', 8, 24)
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>>> x = FP('x', FPSort(8, 24))
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>>> y = FP('y', FPSort(8, 24))
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>>> x * y
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x * y
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>>> (x * y).sort()
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FloatingPoint(8 24)
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FPSort(8, 24)
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>>> 10 * y
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1.25*(2**3) * y
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"""
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a, b = z3._coerce_exprs(self, other)
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return fpMul(_dflt_rm(), self, other)
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def __rmul_(self, other):
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def __rmul__(self, other):
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"""Create the Z3 expression `other * self`.
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>>> x = FP('x', FPSort(8, 24))
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>>> 10 * x
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10 * x
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>>> y = FP('y', FPSort(8, 24))
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>>> x * y
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x * y
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>>> x * 10
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x * 1.25*(2**3)
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"""
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a, b = _coerce_exprs(self, other)
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return fpMul(_dflt_rm(), other, self)
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@ -7792,7 +7797,12 @@ def RTZ(ctx=None):
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def is_fprm(a):
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"""Return `True` if `a` is a Z3 floating-point rounding mode expression.
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>>> rm = ?
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>>> rm = RNE()
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>>> is_fprm(rm)
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True
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>>> rm = 1.0
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>>> is_fprm(rm)
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False
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"""
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return isinstance(a, FPRMRef)
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@ -7814,7 +7824,65 @@ class FPNumRef(FPRef):
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def isNegative(self):
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k = self.decl().kind()
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return (self.num_args() == 0 and (k == Z3_OP_FPA_MINUS_INF or k == Z3_OP_FPA_MINUS_ZERO)) or (self.num_args() == 3 and self.arg(0) == BitVecVal(1))
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return (self.num_args() == 0 and (k == Z3_OP_FPA_MINUS_INF or k == Z3_OP_FPA_MINUS_ZERO)) or (self.sign() == True)
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"""
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The sign of the numeral
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>>> x = FPNumRef(+1.0, FPSort(8, 24))
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>>> x.sign()
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False
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>>> x = FPNumRef(-1.0, FPSort(8, 24))
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>>> x.sign()
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True
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"""
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def sign(self):
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l = (ctypes.c_int)()
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if Z3_fpa_get_numeral_sign(self.ctx.ref(), self.as_ast(), byref(l)) == False:
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raise Z3Exception("error retrieving the sign of a numeral.")
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return l.value != 0
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"""
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The significand of the numeral
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>>> x = FPNumRef(2.5, FPSort(8, 24))
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1.25
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"""
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def significand(self):
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return Z3_fpa_get_numeral_significand_string(self.ctx.ref(), self.as_ast())
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"""
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The exponent of the numeral
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>>> x = FPNumRef(2.5, FPSort(8, 24))
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>>>
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1
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"""
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def exponent(self):
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return Z3_fpa_get_numeral_exponent_string(self.ctx.ref(), self.as_ast())
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"""
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The exponent of the numeral as a long
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>>> x = FPNumRef(2.5, FPSort(8, 24))
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1
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"""
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def exponent_as_long(self):
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ptr = (ctypes.c_longlong * 1)()
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if not Z3_fpa_get_numeral_exponent_int64(self.ctx.ref(), self.as_ast(), ptr):
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raise Z3Exception("error retrieving the exponent of a numeral.")
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return ptr[0]
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"""
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The string representation of the numeral
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>>> x = FPNumRef(20, FPSort(8, 24))
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1.25*(2**4)
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"""
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def as_string(self):
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s = Z3_fpa_get_numeral_string(self.ctx.ref(), self.as_ast())
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return ("FPVal(%s, %s)" % (s, FPSortRef(self.sort()).as_string()))
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def _to_fpnum(num, ctx=None):
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if isinstance(num, FPNum):
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@ -7843,7 +7911,7 @@ def is_fp_value(a):
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False
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>>> b = FPVal(1.0, FPSort(8, 24))
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>>> b
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1.0p0
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1
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>>> is_fp_value(b)
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True
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"""
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@ -7855,9 +7923,9 @@ def FPSort(ebits, sbits, ctx=None):
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>>> Single = FPSort(8, 24)
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>>> Double = FPSort(11, 53)
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>>> Single
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(_ FloatingPoint 8 24)
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FPSort(8, 24)
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>>> x = Const('x', Single)
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>>> eq(x, FP('x', 8, 24))
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>>> eq(x, FP('x', FPSort(8, 24)))
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True
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"""
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ctx = z3._get_ctx(ctx)
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@ -7911,11 +7979,17 @@ def fpZero(s, negative):
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def FPVal(sig, exp=None, fps=None, ctx=None):
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"""Return a floating-point value of value `val` and sort `fps`. If `ctx=None`, then the global context is used.
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>>> v = FPVal(1.0, FPSort(8, 24)))
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>>> v = FPVal(20.0, FPSort(8, 24))
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>>> v
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1.0
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>>> print("0x%.8x" % v.as_long())
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0x0000000a
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1.25*(2**4)
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>>> print("0x%.8x" % v.exponent_as_long())
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0x00000004
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>>> v = FPVal(2.25, FPSort(8, 24))
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>>> v
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1.125*(2**1)
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>>> v = FPVal(-2.25, FPSort(8, 24))
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>>> v
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-1.125*(2**1)
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"""
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ctx = _get_ctx(ctx)
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if is_fp_sort(exp):
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@ -7923,7 +7997,7 @@ def FPVal(sig, exp=None, fps=None, ctx=None):
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exp = None
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elif fps == None:
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fps = _dflt_fps(ctx)
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_z3_assert(is_fp_sort(fps), "sort mismatch")
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_z3_assert(is_fp_sort(fps), "sort mismatch")
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if exp == None:
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exp = 0
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val = _to_float_str(sig)
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@ -7942,7 +8016,7 @@ def FP(name, fpsort, ctx=None):
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>>> x.ebits()
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8
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>>> x.sort()
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(_ FloatingPoint 8 24)
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FPSort(8, 24)
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>>> word = FPSort(8, 24)
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>>> x2 = FP('x', word)
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>>> eq(x, x2)
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@ -7975,17 +8049,28 @@ def fpAbs(a):
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"""Create a Z3 floating-point absolute value expression.
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>>> s = FPSort(8, 24)
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>>> rm = FPRM.RNE
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>>> rm = RNE()
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>>> x = FPVal(1.0, s)
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>>> fpAbs(x)
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1.0
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>>> x = FPVal(-1.0, s)
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>>> fpAbs(x)
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1.0
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fpAbs(1)
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>>> y = FPVal(-20.0, s)
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>>> y
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-1.25*(2**4)
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>>> fpAbs(y)
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fpAbs(-1.25*(2**4))
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>>> fpAbs(-1.25*(2**4))
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fpAbs(-1.25*(2**4))
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>>> fpAbs(x).sort()
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FloatingPoint(8, 24)
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FPSort(8, 24)
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"""
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if __debug__:
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ctx = None
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if not is_expr(a):
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ctx =_get_ctx(ctx)
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s = get_default_fp_sort(ctx)
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a = FPVal(a, s)
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else:
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ctx = a.ctx
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if __debug__:
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_z3_assert(is_fp(a), "First argument must be Z3 floating-point expression")
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return FPRef(Z3_mk_fpa_abs(a.ctx_ref(), a.as_ast()), a.ctx)
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@ -7993,13 +8078,20 @@ def fpNeg(a):
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"""Create a Z3 floating-point addition expression.
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>>> s = FPSort(8, 24)
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>>> rm = FPRM.RNE
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>>> rm = RNE()
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>>> x = FP('x', s)
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>>> y = FP('y', s)
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fp.add(rm, x, y)
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>>> fp.add(rm, x, y).sort()
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FloatingPoint(8, 24)
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>>> fpNeg(x)
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-x
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>>> fpNeg(x).sort()
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FPSort(8, 24)
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"""
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ctx = None
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if not is_expr(a):
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ctx =_get_ctx(ctx)
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s = get_default_fp_sort(ctx)
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a = FPVal(a, s)
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else:
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ctx = a.ctx
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if __debug__:
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_z3_assert(is_fp(a), "First argument must be Z3 floating-point expression")
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return FPRef(Z3_mk_fpa_neg(a.ctx_ref(), a.as_ast()), a.ctx)
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@ -8008,79 +8100,88 @@ def fpAdd(rm, a, b):
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"""Create a Z3 floating-point addition expression.
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>>> s = FPSort(8, 24)
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>>> rm = FPRM.RNE
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>>> rm = RNE()
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>>> x = FP('x', s)
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>>> y = FP('y', s)
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fp.add(rm, x, y)
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>>> fp.add(rm, x, y).sort()
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FloatingPoint(8, 24)
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>>> fpAdd(rm, x, y)
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fpAdd(RNE(), x, y)
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>>> fpAdd(rm, x, y).sort()
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FPSort(8, 24)
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"""
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if __debug__:
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_z3_assert(is_fprm(rm), "First argument must be a Z3 floating-point rounding mode expression")
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_z3_assert(is_fp(a) and is_fp(b), "Second and third argument must be Z3 floating-point expressions")
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_z3_assert(is_fp(a) or is_fp(b), "Second or third argument must be a Z3 floating-point expression")
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a, b = _coerce_exprs(a, b)
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return FPRef(Z3_mk_fpa_add(rm.ctx_ref(), rm.as_ast(), a.as_ast(), b.as_ast()), rm.ctx)
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def fpSub(rm, a, b):
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"""Create a Z3 floating-point subtraction expression.
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>>> s = FPSort(8, 24)
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>>> rm = FPRM.RNE
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>>> rm = RNE()
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>>> x = FP('x', s)
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>>> y = FP('y', s)
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fp.add(rm, x, y)
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>>> fp.add(rm, x, y).sort()
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FloatingPoint(8, 24)
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>>> fpSub(rm, x, y)
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fpSub(RNE(), x, y)
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>>> fpSub(rm, x, y).sort()
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FPSort(8, 24)
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"""
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if __debug__:
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_z3_assert(is_fprm(rm), "First argument must be a Z3 floating-point rounding mode expression")
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_z3_assert(is_fp(a) and is_fp(b), "Second and third argument must be Z3 floating-point expressions")
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_z3_assert(is_fp(a) or is_fp(b), "Second or third argument must be a Z3 floating-point expression")
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a, b = _coerce_exprs(a, b)
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return FPRef(Z3_mk_fpa_sub(rm.ctx_ref(), rm.as_ast(), a.as_ast(), b.as_ast()), rm.ctx)
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def fpMul(rm, a, b):
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"""Create a Z3 floating-point multiplication expression.
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>>> s = FPSort(8, 24)
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>>> rm = FPRM.RNE
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>>> rm = RNE()
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>>> x = FP('x', s)
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>>> y = FP('y', s)
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fp.add(rm, x, y)
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>>> fp.add(rm, x, y).sort()
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FloatingPoint(8, 24)
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>>> fpMul(rm, x, y)
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fpMul(RNE(), x, y)
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>>> fpMul(rm, x, y).sort()
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FPSort(8, 24)
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"""
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if __debug__:
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_z3_assert(is_fprm(rm), "First argument must be a Z3 floating-point rounding mode expression")
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_z3_assert(is_fp(a) and is_fp(b), "Second and third argument must be Z3 floating-point expressions")
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_z3_assert(is_fp(a) or is_fp(b), "Second or third argument must be a Z3 floating-point expression")
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a, b = _coerce_exprs(a, b)
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return FPRef(Z3_mk_fpa_mul(rm.ctx_ref(), rm.as_ast(), a.as_ast(), b.as_ast()), rm.ctx)
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|
||||
def fpDiv(rm, a, b):
|
||||
"""Create a Z3 floating-point divison expression.
|
||||
|
||||
>>> s = FPSort(8, 24)
|
||||
>>> rm = FPRM.RNE
|
||||
>>> rm = RNE()
|
||||
>>> x = FP('x', s)
|
||||
>>> y = FP('y', s)
|
||||
fpAdd(rm, x, y)
|
||||
>>> fp.add(rm, x, y).sort()
|
||||
FloatingPoint(8, 24)
|
||||
>>> fpDiv(rm, x, y)
|
||||
fpDiv(RNE(), x, y)
|
||||
>>> fpDiv(rm, x, y).sort()
|
||||
FPSort(8, 24)
|
||||
"""
|
||||
if __debug__:
|
||||
_z3_assert(is_fprm(rm), "First argument must be a Z3 floating-point rounding mode expression")
|
||||
_z3_assert(is_fp(a) and is_fp(b), "Second and third argument must be Z3 floating-point expressions")
|
||||
_z3_assert(is_fp(a) or is_fp(b), "Second or third argument must be a Z3 floating-point expression")
|
||||
a, b = _coerce_exprs(a, b)
|
||||
return FPRef(Z3_mk_fpa_div(rm.ctx_ref(), rm.as_ast(), a.as_ast(), b.as_ast()), rm.ctx)
|
||||
|
||||
def fpRem(a, b):
|
||||
"""Create a Z3 floating-point remainder expression.
|
||||
|
||||
>>> s = FPSort(8, 24)
|
||||
>>> rm = RNE()
|
||||
>>> x = FP('x', s)
|
||||
>>> y = FP('y', s)
|
||||
>>> fpRem(x, y)
|
||||
fpRem(x, y)
|
||||
>>> fpRem(rm, x, y).sort()
|
||||
FloatingPoint(8, 24)
|
||||
>>> fpRem(x, y).sort()
|
||||
FPSort(8, 24)
|
||||
"""
|
||||
if __debug__:
|
||||
_z3_assert(is_fp(a) and is_fp(b), "Both arguments must be Z3 floating-point expressions")
|
||||
_z3_assert(is_fp(a) or is_fp(b), "Second or third argument must be a Z3 floating-point expression")
|
||||
a, b = _coerce_exprs(a, b)
|
||||
return FPRef(Z3_mk_fpa_rem(a.ctx_ref(), a.as_ast(), b.as_ast()), a.ctx)
|
||||
|
||||
def fpMin(a, b):
|
||||
|
|
@ -8090,12 +8191,14 @@ def fpMin(a, b):
|
|||
>>> rm = RNE()
|
||||
>>> x = FP('x', s)
|
||||
>>> y = FP('y', s)
|
||||
>>> fpMin(x, y)
|
||||
fpMin(x, y)
|
||||
>>> fpMin(rm, x, y).sort()
|
||||
FloatingPoint(8, 24)
|
||||
>>> fpMin(x, y).sort()
|
||||
FPSort(8, 24)
|
||||
"""
|
||||
if __debug__:
|
||||
_z3_assert(is_fp(a) and is_fp(b), "Both arguments must be Z3 floating-point expressions")
|
||||
_z3_assert(is_fp(a) or is_fp(b), "Second or third argument must be a Z3 floating-point expression")
|
||||
a, b = _coerce_exprs(a, b)
|
||||
return FPRef(Z3_mk_fpa_min(a.ctx_ref(), a.as_ast(), b.as_ast()), a.ctx)
|
||||
|
||||
def fpMax(a, b):
|
||||
|
|
@ -8105,12 +8208,14 @@ def fpMax(a, b):
|
|||
>>> rm = RNE()
|
||||
>>> x = FP('x', s)
|
||||
>>> y = FP('y', s)
|
||||
fpMin(x, y)
|
||||
>>> fpMin(rm, x, y).sort()
|
||||
FloatingPoint(8, 24)
|
||||
>>> fpMax(x, y)
|
||||
fpMax(x, y)
|
||||
>>> fpMax(x, y).sort()
|
||||
FPSort(8, 24)
|
||||
"""
|
||||
if __debug__:
|
||||
_z3_assert(is_fp(a) and is_fp(b), "Both arguments must be Z3 floating-point expressions")
|
||||
_z3_assert(is_fp(a) or is_fp(b), "Second or third argument must be a Z3 floating-point expression")
|
||||
a, b = _coerce_exprs(a, b)
|
||||
return FPRef(Z3_mk_fpa_max(a.ctx_ref(), a.as_ast(), b.as_ast()), a.ctx)
|
||||
|
||||
def fpFMA(rm, a, b, c):
|
||||
|
|
@ -8118,23 +8223,38 @@ def fpFMA(rm, a, b, c):
|
|||
"""
|
||||
if __debug__:
|
||||
_z3_assert(is_fprm(rm), "First argument must be a Z3 floating-point rounding mode expression")
|
||||
_z3_assert(is_fp(a) and is_fp(b) and is_fp(c), "Second, third, and fourth argument must be Z3 floating-point expressions")
|
||||
_z3_assert(is_fp(a) or is_fp(b) or is_fp(c), "Second, third, or fourth argument must be a Z3 floating-point expression")
|
||||
a, b, c = _coerce_expr_list([a, b, c])
|
||||
return FPRef(Z3_mk_fpa_fma(rm.ctx_ref(), rm.as_ast(), a.as_ast(), b.as_ast(), c.as_ast()), rm.ctx)
|
||||
|
||||
def fpSqrt(rm, a):
|
||||
"""Create a Z3 floating-point square root expression.
|
||||
"""
|
||||
ctx = None
|
||||
if not is_expr(a):
|
||||
ctx =_get_ctx(ctx)
|
||||
s = get_default_fp_sort(ctx)
|
||||
a = FPVal(a, s)
|
||||
else:
|
||||
ctx = a.ctx
|
||||
if __debug__:
|
||||
_z3_assert(is_fprm(rm), "First argument must be a Z3 floating-point rounding mode expression")
|
||||
_z3_assert(is_fp(a), "Second argument must be Z3 floating-point expressions")
|
||||
_z3_assert(is_fp(a), "Second argument must be a Z3 floating-point expressions")
|
||||
return FPRef(Z3_mk_fpa_sqrt(rm.ctx_ref(), rm.as_ast(), a.as_ast()), rm.ctx)
|
||||
|
||||
def fpRoundToIntegral(rm, a):
|
||||
"""Create a Z3 floating-point roundToIntegral expression.
|
||||
"""
|
||||
ctx = None
|
||||
if not is_expr(a):
|
||||
ctx =_get_ctx(ctx)
|
||||
s = get_default_fp_sort(ctx)
|
||||
a = FPVal(a, s)
|
||||
else:
|
||||
ctx = a.ctx
|
||||
if __debug__:
|
||||
_z3_assert(is_fprm(rm), "First argument must be a Z3 floating-point rounding mode expression")
|
||||
_z3_assert(is_fp(a), "Second argument must be Z3 floating-point expressions")
|
||||
_z3_assert(is_fp(a), "Second argument must be a Z3 floating-point expressions")
|
||||
return FPRef(Z3_mk_fpa_round_to_integral(rm.ctx_ref(), rm.as_ast(), a.as_ast()), rm.ctx)
|
||||
|
||||
def fpIsNaN(a):
|
||||
|
|
@ -8195,11 +8315,9 @@ def fpLT(a, b):
|
|||
|
||||
>>> x, y = FPs('x y', FPSort(8, 24))
|
||||
>>> fpLT(x, y)
|
||||
x <= y
|
||||
x < y
|
||||
>>> (x <= y).sexpr()
|
||||
'?'
|
||||
>>> fpLT(x, y).sexpr()
|
||||
'?'
|
||||
'(fp.leq x y)'
|
||||
"""
|
||||
_check_fp_args(a, b)
|
||||
a, b = _coerce_exprs(a, b)
|
||||
|
|
@ -8212,9 +8330,7 @@ def fpLEQ(a, b):
|
|||
>>> fpLEQ(x, y)
|
||||
x <= y
|
||||
>>> (x <= y).sexpr()
|
||||
'?'
|
||||
>>> fpLEQ(x, y).sexpr()
|
||||
'?'
|
||||
'(fp.leq x y)'
|
||||
"""
|
||||
_check_fp_args(a, b)
|
||||
a, b = _coerce_exprs(a, b)
|
||||
|
|
@ -8225,11 +8341,9 @@ def fpGT(a, b):
|
|||
|
||||
>>> x, y = FPs('x y', FPSort(8, 24))
|
||||
>>> fpGT(x, y)
|
||||
x <= y
|
||||
>>> (x <= y).sexpr()
|
||||
'?'
|
||||
>>> fpGT(x, y).sexpr()
|
||||
'?'
|
||||
x > y
|
||||
>>> (x > y).sexpr()
|
||||
'(fp.gt x y)'
|
||||
"""
|
||||
_check_fp_args(a, b)
|
||||
a, b = _coerce_exprs(a, b)
|
||||
|
|
@ -8240,12 +8354,12 @@ def fpGEQ(a, b):
|
|||
"""Create the Z3 floating-point expression `other <= self`.
|
||||
|
||||
>>> x, y = FPs('x y', FPSort(8, 24))
|
||||
>>> fp_geq(x, y)
|
||||
x <= y
|
||||
>>> (x <= y).sexpr()
|
||||
'?'
|
||||
>>> fp_geq(x, y).sexpr()
|
||||
'?'
|
||||
>>> x + y
|
||||
x + y
|
||||
>>> fpGEQ(x, y)
|
||||
x >= y
|
||||
>>> (x >= y).sexpr()
|
||||
'(fp.geq x y)'
|
||||
"""
|
||||
_check_fp_args(a, b)
|
||||
a, b = _coerce_exprs(a, b)
|
||||
|
|
@ -8256,11 +8370,9 @@ def fpEQ(a, b):
|
|||
|
||||
>>> x, y = FPs('x y', FPSort(8, 24))
|
||||
>>> fpEQ(x, y)
|
||||
x <= y
|
||||
>>> (x <= y).sexpr()
|
||||
'?'
|
||||
fpEQ(x, y)
|
||||
>>> fpEQ(x, y).sexpr()
|
||||
'?'
|
||||
'(fp.eq x y)'
|
||||
"""
|
||||
_check_fp_args(a, b)
|
||||
a, b = _coerce_exprs(a, b)
|
||||
|
|
@ -8271,11 +8383,9 @@ def fpNEQ(a, b):
|
|||
|
||||
>>> x, y = FPs('x y', FPSort(8, 24))
|
||||
>>> fpNEQ(x, y)
|
||||
x <= y
|
||||
>>> (x <= y).sexpr()
|
||||
'?'
|
||||
>>> fpNEQ(x, y).sexpr()
|
||||
'?'
|
||||
Not(fpEQ(x, y))
|
||||
>>> (x != y).sexpr()
|
||||
'(not (fp.eq x y))'
|
||||
"""
|
||||
_check_fp_args(a, b)
|
||||
a, b = _coerce_exprs(a, b)
|
||||
|
|
|
|||
|
|
@ -182,9 +182,6 @@ _infix_map = {}
|
|||
_unary_map = {}
|
||||
_infix_compact_map = {}
|
||||
|
||||
for (_k,_v) in _z3_op_to_fpa_normal_str.items():
|
||||
_z3_op_to_str[_k] = _v
|
||||
|
||||
for _k in _z3_infix:
|
||||
_infix_map[_k] = True
|
||||
for _k in _z3_unary:
|
||||
|
|
@ -515,7 +512,7 @@ class Formatter:
|
|||
self.precision = 10
|
||||
self.ellipses = to_format(_ellipses)
|
||||
self.max_visited = 10000
|
||||
self.fpa_pretty = False
|
||||
self.fpa_pretty = True
|
||||
|
||||
def pp_ellipses(self):
|
||||
return self.ellipses
|
||||
|
|
@ -576,8 +573,8 @@ class Formatter:
|
|||
return to_format(a.as_string())
|
||||
|
||||
def pp_fprm_value(self, a):
|
||||
z3._z3_assert(z3.is_fprm_value(a), 'expected FPRMNumRef')
|
||||
if self.fpa_pretty and a.decl().kind() in _z3_op_to_fpa_pretty_str:
|
||||
z3._z3_assert(z3.is_fprm_value(a), 'expected FPRMNumRef')
|
||||
if self.fpa_pretty and (a.decl().kind() in _z3_op_to_fpa_pretty_str):
|
||||
return to_format(_z3_op_to_fpa_pretty_str.get(a.decl().kind()))
|
||||
else:
|
||||
return to_format(_z3_op_to_fpa_normal_str.get(a.decl().kind()))
|
||||
|
|
@ -600,12 +597,12 @@ class Formatter:
|
|||
else:
|
||||
z3._z3_assert(z3.is_fp_value(a), 'expecting FP num ast')
|
||||
r = []
|
||||
sgn = c_long(0)
|
||||
sgn = c_int(0)
|
||||
sgnb = Z3_fpa_get_numeral_sign(a.ctx_ref(), a.ast, byref(sgn))
|
||||
sig = Z3_fpa_get_numeral_significand_string(a.ctx_ref(), a.ast)
|
||||
exp = Z3_fpa_get_numeral_exponent_string(a.ctx_ref(), a.ast)
|
||||
r.append(to_format('FPVal('))
|
||||
if not sgnb and sgn:
|
||||
if sgnb and sgn.value != 0:
|
||||
r.append(to_format('-'))
|
||||
r.append(to_format(sig))
|
||||
r.append(to_format('*(2**'))
|
||||
|
|
@ -634,17 +631,17 @@ class Formatter:
|
|||
sgnb = Z3_fpa_get_numeral_sign(a.ctx_ref(), a.ast, byref(sgn))
|
||||
sig = Z3_fpa_get_numeral_significand_string(a.ctx_ref(), a.ast)
|
||||
exp = Z3_fpa_get_numeral_exponent_string(a.ctx_ref(), a.ast)
|
||||
if not sgnb and sgn != 0:
|
||||
if sgnb and sgn.value != 0:
|
||||
r.append(to_format('-'))
|
||||
r.append(to_format(sig))
|
||||
if (exp != '0'):
|
||||
r.append(to_format('*(2**'))
|
||||
r.append(to_format(exp))
|
||||
r.append(to_format(')'))
|
||||
r.append(to_format(')'))
|
||||
return compose(r)
|
||||
|
||||
|
||||
def pp_fp(self, a, d, xs):
|
||||
def pp_fp(self, a, d, xs):
|
||||
z3._z3_assert(isinstance(a, z3.FPRef), "type mismatch")
|
||||
k = a.decl().kind()
|
||||
op = '?'
|
||||
|
|
@ -653,7 +650,7 @@ class Formatter:
|
|||
elif k in _z3_op_to_fpa_normal_str:
|
||||
op = _z3_op_to_fpa_normal_str[k]
|
||||
elif k in _z3_op_to_str:
|
||||
op = _z3_op_to_str[k]
|
||||
op = _z3_op_to_str[k]
|
||||
|
||||
n = a.num_args()
|
||||
|
||||
|
|
@ -1164,7 +1161,7 @@ def set_fpa_pretty(flag=True):
|
|||
for _k in _z3_fpa_infix:
|
||||
_infix_map[_k] = False
|
||||
|
||||
|
||||
set_fpa_pretty(True)
|
||||
|
||||
def in_html_mode():
|
||||
return isinstance(_Formatter, HTMLFormatter)
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue