tile.py 文件源码

def _format_label(x, precision=3):
    fmt_str = '%%.%dg' % precision
    if np.isinf(x):
        return str(x)
    elif com.is_float(x):
        frac, whole = np.modf(x)
        sgn = '-' if x < 0 else ''
        whole = abs(whole)
        if frac != 0.0:
            val = fmt_str % frac

            # rounded up or down
            if '.' not in val:
                if x < 0:
                    return '%d' % (-whole - 1)
                else:
                    return '%d' % (whole + 1)

            if 'e' in val:
                return _trim_zeros(fmt_str % x)
            else:
                val = _trim_zeros(val)
                if '.' in val:
                    return sgn + '.'.join(('%d' % whole, val.split('.')[1]))
                else:  # pragma: no cover
                    return sgn + '.'.join(('%d' % whole, val))
        else:
            return sgn + '%0.f' % whole
    else:
        return str(x)