Fix "referenced before assignment" warnings in element_givaro.pyx

[orlitzky]

[sagelib-9.5.rc1] [381/528] Cythonizing sage/rings/finite_rings/element_givaro.pyx
[sagelib-9.5.rc1] warning: sage/rings/finite_rings/element_givaro.pyx:312:41: local variable 'res' referenced before assignment
[sagelib-9.5.rc1] warning: sage/rings/finite_rings/element_givaro.pyx:313:52: local variable 'res' referenced before assignment
[sagelib-9.5.rc1] warning: sage/rings/finite_rings/element_givaro.pyx:384:37: local variable 'res' referenced before assignment
[sagelib-9.5.rc1] warning: sage/rings/finite_rings/element_givaro.pyx:389:33: local variable 'res' referenced before assignment
[sagelib-9.5.rc1] warning: sage/rings/finite_rings/element_givaro.pyx:393:33: local variable 'res' referenced before assignment
[sagelib-9.5.rc1] warning: sage/rings/finite_rings/element_givaro.pyx:405:37: local variable 'res' referenced before assignment
[sagelib-9.5.rc1] warning: sage/rings/finite_rings/element_givaro.pyx:406:62: local variable 'res' referenced before assignment
[sagelib-9.5.rc1] warning: sage/rings/finite_rings/element_givaro.pyx:445:37: local variable 'res' referenced before assignment
[sagelib-9.5.rc1] warning: sage/rings/finite_rings/element_givaro.pyx:446:62: local variable 'res' referenced before assignment
[sagelib-9.5.rc1] warning: sage/rings/finite_rings/element_givaro.pyx:495:33: local variable 'g' referenced before assignment
[sagelib-9.5.rc1] warning: sage/rings/finite_rings/element_givaro.pyx:529:31: local variable 'r' referenced before assignment
[sagelib-9.5.rc1] warning: sage/rings/finite_rings/element_givaro.pyx:531:15: local variable 'r' referenced before assignment
[sagelib-9.5.rc1] warning: sage/rings/finite_rings/element_givaro.pyx:559:29: local variable 'r' referenced before assignment
[sagelib-9.5.rc1] warning: sage/rings/finite_rings/element_givaro.pyx:561:15: local variable 'r' referenced before assignment
[sagelib-9.5.rc1] warning: sage/rings/finite_rings/element_givaro.pyx:708:28: local variable 'r' referenced before assignment
[sagelib-9.5.rc1] warning: sage/rings/finite_rings/element_givaro.pyx:709:52: local variable 'r' referenced before assignment
[sagelib-9.5.rc1] warning: sage/rings/finite_rings/element_givaro.pyx:729:28: local variable 'r' referenced before assignment
[sagelib-9.5.rc1] warning: sage/rings/finite_rings/element_givaro.pyx:730:52: local variable 'r' referenced before assignment
[sagelib-9.5.rc1] warning: sage/rings/finite_rings/element_givaro.pyx:750:29: local variable 'r' referenced before assignment
[sagelib-9.5.rc1] warning: sage/rings/finite_rings/element_givaro.pyx:751:52: local variable 'r' referenced before assignment
[sagelib-9.5.rc1] warning: sage/rings/finite_rings/element_givaro.pyx:1104:34: local variable 'r' referenced before assignment
[sagelib-9.5.rc1] warning: sage/rings/finite_rings/element_givaro.pyx:1106:59: local variable 'r' referenced before assignment
[sagelib-9.5.rc1] warning: sage/rings/finite_rings/element_givaro.pyx:1121:34: local variable 'r' referenced before assignment
[sagelib-9.5.rc1] warning: sage/rings/finite_rings/element_givaro.pyx:1123:59: local variable 'r' referenced before assignment
[sagelib-9.5.rc1] warning: sage/rings/finite_rings/element_givaro.pyx:1143:34: local variable 'r' referenced before assignment
[sagelib-9.5.rc1] warning: sage/rings/finite_rings/element_givaro.pyx:1145:59: local variable 'r' referenced before assignment
[sagelib-9.5.rc1] warning: sage/rings/finite_rings/element_givaro.pyx:1160:34: local variable 'r' referenced before assignment
[sagelib-9.5.rc1] warning: sage/rings/finite_rings/element_givaro.pyx:1162:59: local variable 'r' referenced before assignment
[sagelib-9.5.rc1] warning: sage/rings/finite_rings/element_givaro.pyx:1177:34: local variable 'r' referenced before assignment
[sagelib-9.5.rc1] warning: sage/rings/finite_rings/element_givaro.pyx:1178:59: local variable 'r' referenced before assignment
[sagelib-9.5.rc1] warning: sage/rings/finite_rings/element_givaro.pyx:1209:34: local variable 'r' referenced before assignment
[sagelib-9.5.rc1] warning: sage/rings/finite_rings/element_givaro.pyx:1210:59: local variable 'r' referenced before assignment

Component: build

Author: Michael Orlitzky

Branch/Commit: 354db4d

Reviewer: Frédéric Chapoton

Issue created by migration from https://trac.sagemath.org/ticket/33185

[orlitzky]

New commits:

354db4d

Trac #33185: fix cython warnings for givaro elements.

[orlitzky]

Author: Michael Orlitzky

[orlitzky]

Commit: 354db4d

[orlitzky]

Branch: u/mjo/ticket/33185

[fchapoton]

comment:2

ok, thanks

[fchapoton]

Reviewer: Frédéric Chapoton

[vbraun]

Changed branch from u/mjo/ticket/33185 to 354db4d