def __call__(self, x, strip_zeros=True):
import numeric as _nc
err = _nc.seterr(invalid='ignore')
try:
if isnan(x):
if self.sign:
return self.special_fmt % ('+' + _nan_str,)
else:
return self.special_fmt % (_nan_str,)
elif isinf(x):
if x > 0:
if self.sign:
return self.special_fmt % ('+' + _inf_str,)
else:
return self.special_fmt % (_inf_str,)
else:
return self.special_fmt % ('-' + _inf_str,)
finally:
_nc.seterr(**err)
s = self.format % x
if self.large_exponent:
# 3-digit exponent
expsign = s[-3]
if expsign == '+' or expsign == '-':
s = s[1:-2] + '0' + s[-2:]
elif self.exp_format:
# 2-digit exponent
if s[-3] == '0':
s = ' ' + s[:-3] + s[-2:]
elif strip_zeros:
z = s.rstrip('0')
s = z + ' '*(len(s)-len(z))
return s
def fillFormat(self, data):
import numeric as _nc
# XXX pypy unimplemented
#errstate = _nc.seterr(all='ignore')
try:
special = isnan(data) | isinf(data) | isna(data)
special[isna(data)] = False
valid = not_equal(data, 0) & ~special
valid[isna(data)] = False
non_zero = absolute(data.compress(valid))
if len(non_zero) == 0:
max_val = 0.
min_val = 0.
else:
max_val = maximum.reduce(non_zero, skipna=True)
min_val = minimum.reduce(non_zero, skipna=True)
if max_val >= 1.e8:
self.exp_format = True
if not self.suppress_small and (min_val < 0.0001
or max_val/min_val > 1000.):
self.exp_format = True
finally:
pass
# XXX pypy unimplemented
#_nc.seterr(**errstate)
if self.exp_format:
self.large_exponent = 0 < min_val < 1e-99 or max_val >= 1e100
self.max_str_len = 8 + self.precision
if self.large_exponent:
self.max_str_len += 1
if self.sign:
format = '%+'
else:
format = '%'
format = format + '%d.%de' % (self.max_str_len, self.precision)
else:
format = '%%.%df' % (self.precision,)
if len(non_zero):
precision = max([_digits(x, self.precision, format)
for x in non_zero])
else:
precision = 0
precision = min(self.precision, precision)
self.max_str_len = len(str(int(max_val))) + precision + 2
if special.any():
self.max_str_len = max(self.max_str_len,
len(_nan_str),
len(_inf_str)+1,
len(_na_str))
if self.sign:
format = '%#+'
else:
format = '%#'
format = format + '%d.%df' % (self.max_str_len, precision)
self.special_fmt = '%%%ds' % (self.max_str_len,)
self.format = format
def fillFormat(self, data):
import numeric as _nc
# XXX pypy unimplemented
#errstate = _nc.seterr(all='ignore')
try:
special = isnan(data) | isinf(data) | isna(data)
special[isna(data)] = False
valid = not_equal(data, 0) & ~special
valid[isna(data)] = False
non_zero = absolute(data.compress(valid))
if len(non_zero) == 0:
max_val = 0.
min_val = 0.
else:
max_val = maximum.reduce(non_zero, skipna=True)
min_val = minimum.reduce(non_zero, skipna=True)
if max_val >= 1.e8:
self.exp_format = True
if not self.suppress_small and (min_val < 0.0001
or max_val / min_val > 1000.):
self.exp_format = True
finally:
pass
# XXX pypy unimplemented
#_nc.seterr(**errstate)
if self.exp_format:
self.large_exponent = 0 < min_val < 1e-99 or max_val >= 1e100
self.max_str_len = 8 + self.precision
if self.large_exponent:
self.max_str_len += 1
if self.sign:
format = '%+'
else:
format = '%'
format = format + '%d.%de' % (self.max_str_len, self.precision)
else:
format = '%%.%df' % (self.precision, )
if len(non_zero):
precision = max(
[_digits(x, self.precision, format) for x in non_zero])
else:
precision = 0
precision = min(self.precision, precision)
self.max_str_len = len(str(int(max_val))) + precision + 2
if special.any():
self.max_str_len = max(self.max_str_len, len(_nan_str),
len(_inf_str) + 1, len(_na_str))
if self.sign:
format = '%#+'
else:
format = '%#'
format = format + '%d.%df' % (self.max_str_len, precision)
self.special_fmt = '%%%ds' % (self.max_str_len, )
self.format = format
def test_isnan_isinf(self):
from _numpypy import isnan, isinf, float64, array
assert isnan(float("nan"))
assert isnan(float64(float("nan")))
assert not isnan(3)
assert isinf(float("inf"))
assert not isnan(3.5)
assert not isinf(3.5)
assert not isnan(float("inf"))
assert not isinf(float("nan"))
assert (isnan(array([0.2, float("inf"), float("nan")])) == [False, False, True]).all()
assert (isinf(array([0.2, float("inf"), float("nan")])) == [False, True, False]).all()
assert isinf(array([0.2])).dtype.kind == "b"
def __call__(self, x):
if isnan(x):
if self.sign:
return '+' + _nan_str
else:
return ' ' + _nan_str
elif isinf(x):
if x > 0:
if self.sign:
return '+' + _inf_str
else:
return ' ' + _inf_str
else:
return '-' + _inf_str
elif x >= 0:
if self.sign:
return '+' + format_longfloat(x, self.precision)
else:
return ' ' + format_longfloat(x, self.precision)
else:
return format_longfloat(x, self.precision)
def __call__(self, x):
if isna(x):
return str(x).replace('NA', _na_str, 1)
elif isnan(x):
if self.sign:
return '+' + _nan_str
else:
return ' ' + _nan_str
elif isinf(x):
if x > 0:
if self.sign:
return '+' + _inf_str
else:
return ' ' + _inf_str
else:
return '-' + _inf_str
elif x >= 0:
if self.sign:
return '+' + format_longfloat(x, self.precision)
else:
return ' ' + format_longfloat(x, self.precision)
else:
return format_longfloat(x, self.precision)
def __call__(self, x, strip_zeros=True):
import numeric as _nc
#err = _nc.seterr(invalid='ignore')
try:
if isna(x):
return self.special_fmt % (str(x).replace('NA', _na_str, 1), )
elif isnan(x):
if self.sign:
return self.special_fmt % ('+' + _nan_str, )
else:
return self.special_fmt % (_nan_str, )
elif isinf(x):
if x > 0:
if self.sign:
return self.special_fmt % ('+' + _inf_str, )
else:
return self.special_fmt % (_inf_str, )
else:
return self.special_fmt % ('-' + _inf_str, )
finally:
pass
#_nc.seterr(**err)
s = self.format % x
if self.large_exponent:
# 3-digit exponent
expsign = s[-3]
if expsign == '+' or expsign == '-':
s = s[1:-2] + '0' + s[-2:]
elif self.exp_format:
# 2-digit exponent
if s[-3] == '0':
s = ' ' + s[:-3] + s[-2:]
elif strip_zeros:
z = s.rstrip('0')
s = z + ' ' * (len(s) - len(z))
return s