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 30764-6b81f1f3fa) Lines: 338 340 99.4 %
Date: 2026-03-23 09:27:26 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 39478
cbezout 703617
ulcm 3011923
cgcd 28864778
lgcdii 30852931
xxgcduu 133122675
gcduodd 305896886
ugcd 370716146
mygcduodd 401603876
Fl_inv 486140342
Fl_invsafe 499140891
xgcduu 522480204
igcduu 581917152

Generated by: LCOV version 1.16