[pynac] 01/01: Apply static-python-fix.patch from sagemath.

[Tobias Hansen]

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thansen pushed a commit to branch master
in repository pynac.

commit ec94737830a1d230145dbfcb3980a918a9c3ca89
Author: Tobias Hansen <thansen at debian.org>
Date:   Sun Jun 18 15:48:35 2017 +0100

    Apply static-python-fix.patch from sagemath.
---
 debian/changelog                       |  8 ++++++++
 debian/patches/series                  |  1 +
 debian/patches/static-python-fix.patch | 21 +++++++++++++++++++++
 3 files changed, 30 insertions(+)

diff --git a/debian/changelog b/debian/changelog
index e27f8fd..5aa5d95 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,11 @@
+pynac (0.7.8-2) UNRELEASED; urgency=medium
+
+  * Team upload.
+  * Apply static-python-fix.patch, fixing a segfault after the docbuild
+    od sagemath.
+
+ -- Tobias Hansen <thansen at debian.org>  Sun, 18 Jun 2017 15:47:28 +0100
+
 pynac (0.7.8-1) experimental; urgency=medium
 
   * Updated to latest upstream.
diff --git a/debian/patches/series b/debian/patches/series
index 89d54fa..d4c0931 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -1 +1,2 @@
 find_singular.patch
+static-python-fix.patch
diff --git a/debian/patches/static-python-fix.patch b/debian/patches/static-python-fix.patch
new file mode 100644
index 0000000..f10902b
--- /dev/null
+++ b/debian/patches/static-python-fix.patch
@@ -0,0 +1,21 @@
+Description: This fixes a segfault occurring after the docbuild of sagemath.
+Author: Ralf Stephan <ralf at ark.in-berlin.de>
+Origin: https://trac.sagemath.org/ticket/23134
+
+--- a/ginac/numeric.cpp
++++ b/ginac/numeric.cpp
+@@ -1500,8 +1500,12 @@
+                         return c;
+                 else if (d.is_minus_one()
+                                 and expo.denom().is_equal(*_num2_p)) {
+-                        static numeric a[] = { *_num1_p, I, *_num_1_p, -I };
+-                        return a[expo.numer().to_long() % 4] * c;
++                        switch (expo.numer().to_long() % 4) {
++                                case 0: return c;
++                                case 1: return I*c;
++                                case 2: return -c;
++                                case 3: return -I*c;
++                        };
+                 }
+                 else if (not c_unit)
+                         return d.power(expo) * c;

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