def _array2string(a,
max_line_width,
precision,
suppress_small,
separator=' ',
prefix=""):
if max_line_width is None:
max_line_width = _line_width
if precision is None:
precision = _float_output_precision
if suppress_small is None:
suppress_small = _float_output_suppress_small
if a.size > _summaryThreshold:
summary_insert = "..., "
data = _leading_trailing(a)
else:
summary_insert = ""
data = ravel(a)
try:
format_function = a._format
except AttributeError:
dtypeobj = a.dtype.type
if issubclass(dtypeobj, _nt.bool_):
# make sure True and False line up.
format_function = _boolFormatter
elif issubclass(dtypeobj, _nt.integer):
max_str_len = max(len(str(maximum.reduce(data))),
len(str(minimum.reduce(data))))
format = '%' + str(max_str_len) + 'd'
format_function = lambda x: _formatInteger(x, format)
elif issubclass(dtypeobj, _nt.floating):
if issubclass(dtypeobj, _nt.longfloat):
format_function = _longfloatFormatter(precision)
else:
format_function = FloatFormat(data, precision, suppress_small)
elif issubclass(dtypeobj, _nt.complexfloating):
if issubclass(dtypeobj, _nt.clongfloat):
format_function = _clongfloatFormatter(precision)
else:
format_function = ComplexFormat(data, precision,
suppress_small)
elif issubclass(dtypeobj, _nt.unicode_) or \
issubclass(dtypeobj, _nt.string_):
format_function = repr
else:
format_function = str
next_line_prefix = " " # skip over "["
next_line_prefix += " " * len(prefix) # skip over array(
lst = _formatArray(a, format_function, len(a.shape), max_line_width,
next_line_prefix, separator, _summaryEdgeItems,
summary_insert)[:-1]
return lst
def _array2string(a, max_line_width, precision, suppress_small, separator=' ',
prefix=""):
if max_line_width is None:
max_line_width = _line_width
if precision is None:
precision = _float_output_precision
if suppress_small is None:
suppress_small = _float_output_suppress_small
if a.size > _summaryThreshold:
summary_insert = "..., "
data = _leading_trailing(a)
else:
summary_insert = ""
data = ravel(a)
try:
format_function = a._format
except AttributeError:
dtypeobj = a.dtype.type
if issubclass(dtypeobj, _nt.bool_):
# make sure True and False line up.
format_function = _boolFormatter
elif issubclass(dtypeobj, _nt.integer):
if issubclass(dtypeobj, _nt.timeinteger):
format_function = str
else:
max_str_len = max(len(str(maximum.reduce(data))),
len(str(minimum.reduce(data))))
format = '%' + str(max_str_len) + 'd'
format_function = lambda x: _formatInteger(x, format)
elif issubclass(dtypeobj, _nt.floating):
if issubclass(dtypeobj, _nt.longfloat):
format_function = LongFloatFormat(precision)
else:
format_function = FloatFormat(data, precision, suppress_small)
elif issubclass(dtypeobj, _nt.complexfloating):
if issubclass(dtypeobj, _nt.clongfloat):
format_function = LongComplexFormat(precision)
else:
format_function = ComplexFormat(data, precision, suppress_small)
elif issubclass(dtypeobj, _nt.unicode_) or \
issubclass(dtypeobj, _nt.string_):
format_function = repr
else:
format_function = str
next_line_prefix = " " # skip over "["
next_line_prefix += " "*len(prefix) # skip over array(
lst = _formatArray(a, format_function, len(a.shape), max_line_width,
next_line_prefix, separator,
_summaryEdgeItems, summary_insert)[:-1]
return lst
def __init__(self, data):
try:
max_str_len = max(len(str(maximum.reduce(data, skipna=True))),
len(str(minimum.reduce(data, skipna=True))))
self.format = '%' + str(max_str_len) + 'd'
except TypeError, NotImplementedError:
# if reduce(data) fails, this instance will not be called, just
# instantiated in formatdict.
pass
def __init__(self, data):
try:
max_str_len = max(len(str(maximum.reduce(data))),
len(str(minimum.reduce(data))))
self.format = '%' + str(max_str_len) + 'd'
except TypeError, NotImplementedError:
# if reduce(data) fails, this instance will not be called, just
# instantiated in formatdict.
pass
def fillFormat(self, data):
import numeric as _nc
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:
_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 _nc.any(special):
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 __init__(self, data):
try:
max_str_len = max(len(str(maximum.reduce(data))),
len(str(minimum.reduce(data))))
self.format = '%' + str(max_str_len) + 'd'
except (TypeError, NotImplementedError):
# if reduce(data) fails, this instance will not be called, just
# instantiated in formatdict.
pass
except ValueError:
# this occurs when everything is NA
pass
def __init__(self, data):
try:
max_str_len = max(len(str(maximum.reduce(data, skipna=True))),
len(str(minimum.reduce(data, skipna=True))))
self.format = '%' + str(max_str_len) + 'd'
except (TypeError, NotImplementedError):
# if reduce(data) fails, this instance will not be called, just
# instantiated in formatdict.
pass
except ValueError:
# this occurs when everything is NA
pass
def fillFormat(self, data):
import numeric as _nc
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:
_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 _nc.any(special):
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 __init__(self, data):
if data.dtype.kind == 'm':
nat_value = array(['NaT'], dtype=data.dtype)[0]
int_dtype = dtype(data.dtype.byteorder + 'i8')
int_view = data.view(int_dtype)
v = int_view[not_equal(int_view, nat_value.view(int_dtype))]
if len(v) > 0:
# Max str length of non-NaT elements
max_str_len = max(len(str(maximum.reduce(v))),
len(str(minimum.reduce(v))))
else:
max_str_len = 0
if len(v) < len(data):
# data contains a NaT
max_str_len = max(max_str_len, 5)
self.format = '%' + str(max_str_len) + 'd'
self._nat = "'NaT'".rjust(max_str_len)
def __init__(self, data):
if data.dtype.kind == 'm':
v = data.view('i8')
max_str_len = max(len(str(maximum.reduce(v))),
len(str(minimum.reduce(v))))
self.format = '%' + str(max_str_len) + 'd'
def __init__(self, data):
if data.dtype.kind == 'm':
v = data.view('i8')
max_str_len = max(len(str(maximum.reduce(v))),
len(str(minimum.reduce(v))))
self.format = '%' + str(max_str_len) + 'd'