diff --git a/lib/matplotlib/tests/test_ticker.py b/lib/matplotlib/tests/test_ticker.py
index 78d693adeaad..4c4cdb3c4498 100644
--- a/lib/matplotlib/tests/test_ticker.py
+++ b/lib/matplotlib/tests/test_ticker.py
@@ -1,8 +1,6 @@
from __future__ import (absolute_import, division, print_function,
unicode_literals)
-import six
-
from numpy.testing import assert_almost_equal
import numpy as np
import pytest
@@ -305,6 +303,7 @@ def test_LogFormatterExponent_blank():
def test_LogFormatterSciNotation():
test_cases = {
10: (
+ (-1, '${-10^{0}}$'),
(1e-05, '${10^{-5}}$'),
(1, '${10^{0}}$'),
(100000, '${10^{5}}$'),
diff --git a/lib/matplotlib/ticker.py b/lib/matplotlib/ticker.py
index 102a7988fc21..c11f1b214bb7 100644
--- a/lib/matplotlib/ticker.py
+++ b/lib/matplotlib/ticker.py
@@ -898,14 +898,15 @@ def __call__(self, x, pos=None):
if x == 0.0:
return '0'
sign = np.sign(x)
+ x = abs(x)
# only label the decades
- fx = math.log(abs(x)) / math.log(b)
+ fx = math.log(x) / math.log(b)
isDecade = is_close_to_int(fx)
exponent = np.round(fx) if isDecade else np.floor(fx)
coeff = np.round(x / b ** exponent)
if coeff in self.sublabel:
if not isDecade and self.labelOnlyBase:
- s = ''
+ return ''
elif x > 10000:
s = '%1.0e' % x
elif x < 1:
@@ -1032,7 +1033,7 @@ def __call__(self, x, pos=None):
fx = math.log(abs(x)) / math.log(b)
is_decade = is_close_to_int(fx)
exponent = np.round(fx) if is_decade else np.floor(fx)
- coeff = np.round(x / b ** exponent)
+ coeff = np.round(abs(x) / b ** exponent)
sign_string = '-' if x < 0 else ''
pFad - Phonifier reborn
Pfad - The Proxy pFad of © 2024 Garber Painting. All rights reserved.
Note: This service is not intended for secure transactions such as banking, social media, email, or purchasing. Use at your own risk. We assume no liability whatsoever for broken pages.
Alternative Proxies:
Alternative Proxy
pFad Proxy
pFad v3 Proxy
pFad v4 Proxy