コード例 #1
0
ファイル: test_ufuncs.py プロジェクト: Debug-Orz/Sypy
    def test_abs(self):
        from _numpypy import array, absolute

        a = array([-5.0, -0.0, 1.0])
        b = absolute(a)
        for i in range(3):
            assert b[i] == abs(a[i])
コード例 #2
0
    def test_abs(self):
        from _numpypy import array, absolute

        a = array([-5.0, -0.0, 1.0])
        b = absolute(a)
        for i in range(3):
            assert b[i] == abs(a[i])
コード例 #3
0
ファイル: arrayprint.py プロジェクト: 1018365842/FreeIMU
    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
コード例 #4
0
    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