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 30634-7c77b4d1a9) Lines: 338 340 99.4 %
Date: 2026-01-26 09:23:16 Functions: 14 14 100.0 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
clcm 37345
rgcduu 38141
cbezout 701247
ulcm 3011746
cgcd 28555581
lgcdii 30857398
xxgcduu 130113834
gcduodd 306181995
ugcd 366659016
mygcduodd 401772642
Fl_inv 484714839
Fl_invsafe 497568469
xgcduu 520917339
igcduu 587673137

Generated by: LCOV version 1.16