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 30759-17b423fb9b) Lines: 338 340 99.4 %
Date: 2026-03-20 09:26:27 Functions: 14 14 100.0 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
clcm 37375
rgcduu 38362
cbezout 703593
ulcm 3011704
cgcd 28879213
lgcdii 30851158
xxgcduu 133102159
gcduodd 305890390
ugcd 370721564
mygcduodd 401609120
Fl_inv 486220806
Fl_invsafe 499122792
xgcduu 522359325
igcduu 581922438

Generated by: LCOV version 1.16