本文整理汇总了Python中myhdl._intbv.intbv函数的典型用法代码示例。如果您正苦于以下问题：Python intbv函数的具体用法？Python intbv怎么用？Python intbv使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了intbv函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: testSetSlice
def testSetSlice(self):
self.seqsSetup()
toggle = 0
for s in self.seqs:
n = long(s, 2)
for i in range(1, len(s) + 5):
for j in range(0, len(s) + 5):
for v in self.seqv:
ext = "0" * (i - j - len(v))
extv = ext + v
bv = intbv(n)
bvi = intbv(~n)
val = long(v, 2)
toggle ^= 1
if toggle:
val = intbv(val)
try:
bv[i:j] = val
except ValueError:
assert i <= j or val >= 2 ** (i - j)
continue
else:
ref = long(setSlice(s, i, j, extv), 2)
assert bv == ref
mask = (2 ** (i - j)) - 1
vali = val ^ mask
try:
bvi[i:j] = vali
except ValueError:
assert vali >= 2 ** (i - j)
continue
else:
refi = ~long(setSlice(s, i, j, extv), 2)
assert bvi == refi示例2: testSliceAssign
def testSliceAssign(self):
a = intbv(min=-24, max=34)
for i in (-24, -2, 13, 33):
for k in (6, 9, 10):
a[:] = 0
a[k:] = i
self.assertEqual(a, i)
for i in (-25, -128, 34, 35, 229):
for k in (0, 9, 10):
try:
a[k:] = i
except ValueError:
pass
else:
self.fail()
a = intbv(5)[8:]
for v in (0, 2**8-1, 100):
a[:] = v
for v in (-1, 2**8, -10, 1000):
try:
a[:] = v
except ValueError:
pass
else:
self.fail()示例3: testNoWrap
def testNoWrap(self):
# Validate the base class fails for the wraps
x = intbv(0, min=-8, max=8)
with pytest.raises(ValueError):
x[:] += 15
x = intbv(0, min=-8, max=8)
with pytest.raises(ValueError):
x[:] += 15示例4: testInit
def testInit(self):
with pytest.raises(ValueError):
intbv(15, min=-8, max=8)
x = modbv(15, min=-8, max=8)
assert -1 == x
# Arbitrary boundraries support (no exception)
modbv(5, min=-3, max=8)示例5: concat
def concat(base, *args):
if isinstance(base, intbv):
basewidth = base._nrbits
val = base._val
elif isinstance(base, integer_types):
if isinstance(base, bool):
basewidth = 1
else:
basewidth = 0
val = base
elif isinstance(base, _Signal):
basewidth = base._nrbits
if isinstance(base._val, intbv):
val = base._val._val
else:
val = base._val
elif isinstance(base, str):
basewidth = len(base)
val = long(base, 2)
else:
raise TypeError("concat: inappropriate first argument type: %s" \
% type(base))
width = 0
for i, arg in enumerate(args):
if isinstance(arg, intbv):
w = arg._nrbits
v = arg._val
elif isinstance(arg, _Signal):
w = arg._nrbits
if isinstance(arg._val, intbv):
v = arg._val._val
else:
v = arg._val
elif isinstance(arg, bool):
w = 1
v = arg
elif isinstance(arg, str):
w = len(arg)
v = long(arg, 2)
else:
raise TypeError("concat: inappropriate argument type: %s" \
% type(arg))
if not w:
raise TypeError("concat: arg on pos %d should have length" % (i+1))
width += w
val = val << w | v & (long(1) << w)-1
if basewidth:
return intbv(val, _nrbits=basewidth + width)
else:
return intbv(val)示例6: comparisonCheck
def comparisonCheck(self, op, imin=0, imax=None, jmin=0, jmax=None):
self.seqSetup(imin=imin, imax=imax, jmin=jmin, jmax=jmax)
for i, j in zip(self.seqi, self.seqj):
bi = intbv(i)
bj = intbv(j)
ref = op(i, j)
r1 = op(bi, j)
r2 = op(i, bj)
r3 = op(bi, bj)
self.assertEqual(r1, ref)
self.assertEqual(r2, ref)
self.assertEqual(r3, ref)示例7: comparisonCheck
def comparisonCheck(self, op, imin=0, imax=None, jmin=0, jmax=None):
self.seqSetup(imin=imin, imax=imax, jmin=jmin, jmax=jmax)
for i, j in zip(self.seqi, self.seqj):
bi = intbv(i)
bj = intbv(j)
ref = op(i, j)
r1 = op(bi, j)
r2 = op(i, bj)
r3 = op(bi, bj)
assert r1 == ref
assert r2 == ref
assert r3 == ref示例8: comparisonCheck
def comparisonCheck(self, op, imin=0, imax=None, jmin=0, jmax=None):
self.seqSetup(imin=imin, imax=imax, jmin=jmin, jmax=jmax)
for i, j in zip(self.seqi, self.seqj):
bi = intbv(i)
bj = intbv(j)
exec("ref = i %s j" % op)
exec("r1 = bi %s j" % op)
exec("r2 = i %s bj" % op)
exec("r3 = bi %s bj" % op)
self.assertEqual(r1, ref)
self.assertEqual(r2, ref)
self.assertEqual(r3, ref)示例9: testConcatMixToUnsizedBase
def testConcatMixToUnsizedBase(self):
bases = []
for base in self.bases:
seq = (long(base, 2), Signal(long(base, 2)))
bases.append(random.choice(seq))
extslist = []
for exts in self.extslist:
newexts = []
for ext in exts:
seq = (ext, intbv(ext), Signal(intbv(ext)))
newexts.append(random.choice(seq))
extslist.append(newexts)
self.ConcatToUnsizedBase(bases, extslist)示例10: testGetItem
def testGetItem(self):
self.seqsSetup()
for s in self.seqs:
n = long(s, 2)
bv = intbv(n)
bvi = intbv(~n)
for i in range(len(s) + 20):
ref = long(getItem(s, i), 2)
res = bv[i]
resi = bvi[i]
assert res == ref
assert type(res) == bool
assert resi == ref ^ 1
assert type(resi) == bool示例11: testGetSliceLeftOpen
def testGetSliceLeftOpen(self):
self.seqsSetup()
for s in self.seqs:
n = long(s, 2)
bv = intbv(n)
bvi = intbv(~n)
for j in range(0,len(s)+20):
res = bv[:j]
resi = bvi[:j]
ref = long(getSliceLeftOpen(s, j), 2)
self.assertEqual(res, ref)
self.assertEqual(type(res), intbv)
self.assertEqual(resi+ref, -1)
self.assertEqual(type(res), intbv)示例12: testGetItem
def testGetItem(self):
self.seqsSetup()
for s in self.seqs:
n = long(s, 2)
bv = intbv(n)
bvi = intbv(~n)
for i in range(len(s)+20):
ref = long(getItem(s, i), 2)
res = bv[i]
resi = bvi[i]
self.assertEqual(res, ref)
self.assertEqual(type(res), bool)
self.assertEqual(resi, ref^1)
self.assertEqual(type(resi), bool)示例13: testGetSliceLeftOpen
def testGetSliceLeftOpen(self):
self.seqsSetup()
for s in self.seqs:
n = long(s, 2)
bv = intbv(n)
bvi = intbv(~n)
for j in range(0, len(s) + 20):
res = bv[:j]
resi = bvi[:j]
ref = long(getSliceLeftOpen(s, j), 2)
assert res == ref
assert type(res) == intbv
assert resi + ref == -1
assert type(res) == intbv示例14: testConcatIntbvsBoolsToIntbv
def testConcatIntbvsBoolsToIntbv(self):
if type(bool) is not type:
return
bases = [intbv(base) for base in self.bases]
extslist = []
for exts in self.extslist:
newexts = []
for ext in exts:
if len(ext) == 1:
newexts.append(bool(int(ext)))
else:
newexts.append(intbv(ext))
extslist.append(newexts)
self.ConcatToSizedBase(bases, extslist)示例15: testNoWrap
def testNoWrap(self):
# Validate the base class fails for the wraps
x = intbv(0, min=-8, max=8)
try:
x[:] += 15
self.fail()
except ValueError:
pass
x = intbv(0, min=-8, max=8)
try:
x[:] += 15
self.fail()
except ValueError:
pass