Fix typo and function names for sin/cospi()

(cherry picked from commit 35a1e33f02)

.backportrc.json

@@ -1,16 +0,0 @@
-// .backportrc.json -- for https://github.com/sorenlouv/backport
-{
-  // Required
-  "repoOwner": "mpmath",
-  "repoName": "mpmath",
-  // the branches available to backport to
-  "targetBranchChoices": ["mpmath-1.4.x"],
-  // Automatically detect which branches a pull request should be
-  // backported to based on the pull request labels.
-  "branchLabelMapping": {
-    "^backport-to-(.+)$": "mpmath-$1"
-  },
-  "targetPRLabels": ["backport"],
-  "sourcePRLabels": ["backport-pr-created"],
-  "commitConflicts": true
-}

.github/workflows/backport.yml

@@ -1,37 +0,0 @@
-name: Automatic backport action
-
-on:
-  pull_request_target:
-    types: ["labeled", "closed"]
-
-permissions:
-  contents: write # so it can comment
-  pull-requests: write # so it can create pull requests
-
-jobs:
-  backport:
-    name: Backport PR
-    if: github.event.pull_request.merged == true && !(contains(github.event.pull_request.labels.*.name, 'backport')) && !(contains(github.event.pull_request.labels.*.name, 'backport-pr-created'))
-    runs-on: ubuntu-24.04
-    steps:
-      # Workaround not to fail the workflow if the PR does not need a backport
-      # https://github.com/sorenlouv/backport-github-action/issues/127#issuecomment-2277248320
-      - name: Check for backport labels
-        id: check_labels
-        run: |-
-          labels='${{ toJSON(github.event.pull_request.labels.*.name) }}'
-          matched=$(echo "${labels}" | jq '. | map(select(startswith("backport-to-"))) | length')
-          echo "matched=$matched"
-          echo "matched=$matched" >> $GITHUB_OUTPUT
-      - name: Backport Action
-        if: fromJSON(steps.check_labels.outputs.matched) > 0
-        uses: sorenlouv/backport-github-action@v10.2.0
-        with:
-          github_token: ${{ secrets.GITHUB_TOKEN }}
-          auto_backport_label_prefix: backport-to-
-      - name: Info log
-        if: ${{ success() && fromJSON(steps.check_labels.outputs.matched) > 0 }}
-        run: cat ~/.backport/backport.info.log
-      - name: Debug log
-        if: ${{ failure() && fromJSON(steps.check_labels.outputs.matched) > 0 }}
-        run: cat ~/.backport/backport.debug.log

.github/workflows/test.yml

@@ -12,10 +12,22 @@ jobs:
     uses: ./.github/workflows/coverage.yml
   docs:
     uses: ./.github/workflows/docs.yml
+  frozen-version:
+    runs-on: ubuntu-24.04
+    steps:
+    - uses: actions/checkout@v6
+      with:
+        fetch-depth: 0
+    - uses: actions/setup-python@v6
+      with:
+        python-version: "3.x"
+    - name: Run frozen version test
+      run: bash mpmath/tests/test_version_frozen.sh
   tests:
     needs:
       - linter
       - coverage
+      - frozen-version
     runs-on: ubuntu-24.04
     strategy:
       fail-fast: false

.gitignore

@@ -33,6 +33,9 @@ my/
 dist/
 build/
 
+# Generated by setuptools_scm
+mpmath/_version.py
+
 # Tox files
 .tox/
 

CHANGES

@@ -1,3 +1,14 @@
+--1.4.1--
+Released March 15, 2026
+
+Bug fixes:
+
+* Fix test_hexadecimal_with_libc_bulk(), see #1049 (Doug Torrance)
+* Keep available deprecated aliases for mpc/mpf_log() (Sergey B Kirpichev)
+* Use version_file option of setuptools-scm to keep version info, see #1048
+  (Sergey B Kirpichev)
+* Add workaround for test on s390x, see #1061 (Sergey B Kirpichev)
+
 --1.4.0--
 Released February 23, 2026
 

README.rst

@@ -85,6 +85,7 @@ Credit also goes to:
 
 Release history:
 
+* Version 1.4.1 released on March 15, 2026
 * Version 1.4.0 released on February 23, 2026
 * Version 1.3.0 released on March 7, 2023
 * Version 1.2.1 released on February 9, 2021

mpmath/__init__.py

@@ -1,7 +1,4 @@
-from importlib.metadata import version
-
-__version__ = version(__name__)
-del version
+from ._version import __version__
 
 import functools
 import sys

mpmath/ctx_mp.py

@@ -67,8 +67,10 @@ class MPContext(BaseMPContext, StandardBaseContext):
         ctx.atan2.__func__.__doc__ = function_docs.atan2
 
         ctx.digamma.__doc__ = function_docs.digamma
-        ctx.cospi.__doc_ = function_docs.cospi
-        ctx.sinpi.__doc_ = function_docs.sinpi
+        ctx.cospi.__doc__ = function_docs.cospi
+        ctx.sinpi.__doc__ = function_docs.sinpi
+        ctx.sinpi.__name__ = 'sinpi'
+        ctx.cospi.__name__ = 'cospi'
 
     def init_builtins(ctx):
         # Exact constants

mpmath/libmp/libelefun.py

@@ -737,10 +737,7 @@ def mpf_ln(x, prec, rnd=round_fast):
         m -= n*ln2_fixed(wp)
     return from_man_exp(m, -wp, prec, rnd)
 
-def mpf_log(x, prec, rnd=round_fast):
-    warnings.warn("mpf_log is deprecated, use mpf_ln",
-                  DeprecationWarning)
-    return mpf_ln(x, prec, rnd)
+mpf_log = mpf_ln  # deprecated alias
 
 def mpf_log1p(x, prec, rnd=round_fast):
     """

mpmath/libmp/libmpc.py

@@ -3,7 +3,6 @@ Low-level functions for complex arithmetic.
 """
 
 import sys
-import warnings
 
 from .backend import MPZ
 from .libelefun import (mpf_acos, mpf_acosh, mpf_asin, mpf_atan, mpf_atan2,
@@ -436,10 +435,7 @@ def mpc_ln(z, prec, rnd=round_fast):
     im = mpc_arg(z, prec, rnd)
     return re, im
 
-def mpc_log(x, prec, rnd=round_fast):
-    warnings.warn("mpc_log is deprecated, use mpc_ln",
-                  DeprecationWarning)
-    return mpc_ln(x, prec, rnd)
+mpc_log = mpc_ln  # deprecated alias
 
 def mpc_cos(z, prec, rnd=round_fast):
     """Complex cosine. The formula used is cos(a+bi) = cos(a)*cosh(b) -

mpmath/libmp/libmpf.py

@@ -1102,12 +1102,10 @@ def to_digits_exp(s, dps, base=10):
     return sign, digits, exponent
 
 def round_digits(sign, digits, dps, base, rnd=round_nearest, fixed=False):
-    '''
+    """
     Returns the rounded digits, and the number of places the decimal point was
     shifted.
-
-    Supports three kinds of rounding: up, down, or nearest.
-    '''
+    """
 
     assert len(digits) > dps
     assert rnd in (round_nearest, round_up, round_down, round_ceiling,

mpmath/tests/test_basic_ops.py

@@ -707,13 +707,6 @@ def test_issue_985():
     assert mpc(-1) in {1, -1}
 
 
-def test_mpfmpc_log_deprecation():
-    with pytest.deprecated_call():
-        mpmath.libmp.mpf_log(mpf(123)._mpf_, 53)
-    with pytest.deprecated_call():
-        mpmath.libmp.mpc_log(mpc(123)._mpc_, 53)
-
-
 def test_issue_975():
     def worker():
         mp = mpmath.MPContext()

mpmath/tests/test_format.py

@@ -864,6 +864,7 @@ except OSError:
 def float_print(d, i):
     fmt = "%." + str(i) + "a\n"
     a = ctypes.create_string_buffer(256)
+    libc.sprintf.argtypes = [ctypes.c_char_p, ctypes.c_char_p]
     libc.sprintf(a, bytes(fmt, 'utf-8'), ctypes.c_double(d))
     return a.raw.decode('utf-8').split("\n")[0]
 

mpmath/tests/test_functions2.py

@@ -1,3 +1,6 @@
+import platform
+import sys
+
 import pytest
 
 from mpmath import (agm, airyai, airybi, appellf1, bei, ber, besseli, besselj,
@@ -1470,7 +1473,13 @@ def test_issue_239():
     x = ldexp(2476979795053773,-52)
     assert betainc(206, 385, 0, 0.55, 1).ae('0.99999999999999999999996570910644857895771110649954')
     mp.dps = 15
-    pytest.raises(ValueError, lambda: hyp2f1(-5,5,0.5,0.5))
+    expected_exc = ValueError
+    if platform.machine() == 's390x' and sys.version_info < (3, 14):
+        # This case has recursion depth beyond platform capabilities, that
+        # could be controlled with sys.setrecursionlimit().  See issue #1046
+        # for details.
+        expected_exc = RecursionError
+    pytest.raises(expected_exc, lambda: hyp2f1(-5,5,0.5,0.5))
 
 # Extra stress testing for Bessel functions
 # Reference zeros generated with the aid of scipy.special

mpmath/tests/test_version_frozen.sh

@@ -0,0 +1,51 @@
+#!/bin/bash
+#
+# Test that the version number is provided correctly in a frozen (bundled)
+# executable (see #1044).
+
+set -e
+
+# Get the directory of the current repository
+MPMATH_DIR="$(realpath "$(dirname "$0")/../../")"
+echo "Repo mpmath directory: $MPMATH_DIR"
+
+echo "Install requirements..."
+python3 -m pip install build pyinstaller
+
+echo "Building the source distribution from the local repo..."
+python3 -m build --sdist
+
+# Find and install the generated tarball
+TARBALL=$(ls -t dist/*.tar.gz | head -1)
+echo "Generated tarball: $TARBALL"
+
+echo "Installing mpmath from tarball..."
+pip install dist/"$(basename $TARBALL)"
+
+TEMP_DIR=$(mktemp -d)
+echo "Created temporary directory: $TEMP_DIR"
+cd "$TEMP_DIR"
+
+# Create version_script.py that prints the package version
+cat << EOF > version_script.py
+import mpmath
+print(mpmath.__version__)
+EOF
+
+# Save local version for later comparison
+DIRECT_VERSION="$(python3 -m mpmath --version)"
+
+echo "Building version_script with PyInstaller..."
+pyinstaller --onefile --clean version_script.py
+
+echo "Run frozen executable and extract the version from the output..."
+FROZEN_VERSION="$(./dist/version_script 2>&1)"
+
+if [ "$DIRECT_VERSION" == "$FROZEN_VERSION" ]; then
+    echo "Test passed: Version matches in frozen (bundled) executable."
+else
+    echo "Test failed: Version mismatch."
+    echo "Direct version: $DIRECT_VERSION"
+    echo "Frozen version: $FROZEN_VERSION"
+    exit 1
+fi

pyproject.toml

@@ -54,6 +54,7 @@ exclude = ['.eggs', '.git']
 max_line_length = 200
 
 [tool.setuptools_scm]
+version_file = "mpmath/_version.py"
 
 [tool.pytest.ini_options]
 testpaths = ['mpmath', 'docs']
@@ -66,7 +67,7 @@ timeout = 600
 
 [tool.coverage.run]
 branch = true
-omit = ['mpmath/tests/*']
+omit = ['mpmath/tests/*', 'mpmath/_version.py']
 patch = ["subprocess"]
 
 [tool.coverage.html]