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 30793-1ceee7ca5f) Lines: 338 340 99.4 %
Date: 2026-04-10 09:27:03 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 38077
cbezout 703607
ulcm 3011863
cgcd 28626158
lgcdii 30850504
xxgcduu 133081751
gcduodd 305806062
ugcd 370407619
mygcduodd 401477443
Fl_inv 485742427
Fl_invsafe 498507854
xgcduu 521889064
igcduu 581879281

Generated by: LCOV version 1.16