Code coverage tests

This page documents the degree to which the PARI/GP source code is tested by our public test suite, distributed with the source distribution in directory src/test/. This is measured by the gcov utility; we then process gcov output using the lcov frond-end.

We test a few variants depending on Configure flags on the pari.math.u-bordeaux.fr machine (x86_64 architecture), and agregate them in the final report:

The target is to exceed 90% coverage for all mathematical modules (given that branches depending on DEBUGLEVEL or DEBUGMEM are not covered). This script is run to produce the results below.

LCOV - code coverage report
Current view: top level - kernel/none - gcdll.c (source / functions) Hit Total Coverage
Test: PARI/GP v2.18.1 lcov report (development 30480-572da319a6) Lines: 338 340 99.4 %
Date: 2025-08-26 09:23:46 Functions: 14 14 100.0 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
clcm 37388
rgcduu 38746
cbezout 701397
ulcm 3012097
cgcd 28647216
lgcdii 30678251
xxgcduu 130769077
gcduodd 304711957
ugcd 365778630
mygcduodd 399986959
Fl_inv 484950109
Fl_invsafe 497796205
xgcduu 521124356
igcduu 584921656

Generated by: LCOV version 1.16