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 - basemath - aprcl.c (source / functions) Hit Total Coverage
Test: PARI/GP v2.18.1 lcov report (development 30748-2ce22a5f1f) Lines: 580 704 82.4 %
Date: 2026-03-18 09:25:54 Functions: 48 50 96.0 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
_mul 2039451
_powpolmod 43381
_powpolmodsimple 8770
_red 801340
_red_cyclo2n 559138
_red_cyclop 1735687
add 336
aprcl 971
aprcl_step4_worker 12989
aprcl_step6_worker 1177
aut 141919
autvec_AL 21232
autvec_TH 21232
calcglobs 950
check_t 301
compute_e 950
compute_g 12988
compute_t 950
compute_t_small 950
computetabdl 19023
divisorslenstra 63
filltabs 5016
finda 1374
get_jac 20214
get_jac2 6044
is_m1 6251
isprimeAPRCL 971
look_eta 20215
look_eta2 6047
makepoldeg1 1130581
modZ 15407353
powpolmod 26256
red_cyclo2n 559130
red_cyclo2n_ip 560507
red_cyclop 1735622
set_add 385
sqrconst 0
sqrmod 2237131
sqrmod3 661111
sqrmod4 471900
sqrmod5 1222291
sqrmodZ 7136482
step4a 20213
step4b 1019
step4c 5025
step4d 6938
step5 0
step6 950
u_red_cyclo2n_ip 7321
zv_to_ZX 20215

Generated by: LCOV version 1.16