Esempio n. 1
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    def __call__(self, x, strip_zeros=True):
        import numeric as _nc
        err = _nc.seterr(invalid='ignore')
        try:
            if isnan(x):
                return self.special_fmt % (_nan_str, )
            elif isinf(x):
                if x > 0:
                    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
Esempio n. 2
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    def __call__(self, x, strip_zeros=True):
        import numeric as _nc
        err = _nc.seterr(invalid='ignore')
        try:
            if isnan(x):
                return self.special_fmt % (_nan_str,)
            elif isinf(x):
                if x > 0:
                    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
Esempio n. 3
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 def formatter(x):
     if isnan(x):
         return _nan_str
     elif isinf(x):
         if x > 0:
             return _inf_str
         else:
             return '-' + _inf_str
     return format_longfloat(x, precision)
Esempio n. 4
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 def formatter(x):
     if isnan(x):
         return _nan_str
     elif isinf(x):
         if x > 0:
             return _inf_str
         else:
             return '-' + _inf_str
     return format_longfloat(x, precision)
Esempio n. 5
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    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
Esempio n. 6
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    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
Esempio n. 7
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 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 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)
Esempio n. 9
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 def __call__(self, x, strip_zeros=True):
     if isnan(x):
         return self.special_fmt % (_nan_str,)
     elif isinf(x):
         if x > 0:
             return self.special_fmt % (_inf_str,)
         else:
             return self.special_fmt % ('-' + _inf_str,)
     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