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 30822-5d69697d32) Lines: 338 340 99.4 %
Date: 2026-04-17 09:24:44 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 38239
cbezout 703586
ulcm 3011648
cgcd 28622294
lgcdii 30816680
xxgcduu 133066432
gcduodd 306671946
ugcd 370617032
mygcduodd 402453025
Fl_inv 484624212
Fl_invsafe 497422385
xgcduu 520718971
igcduu 584118471

Generated by: LCOV version 1.16