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) Coverage Total Hit
Test: PARI/GP v2.19.0 lcov report (development 31057-89c4d54ba6) Lines: 82.2 % 704 579
Test Date: 2026-07-25 17:02:42 Functions: 96.0 % 50 48
Legend: Lines:     hit not hit

Function Name Sort by function name Hit count Sort by function hit count
_mul 2045268
_powpolmod 43390
_powpolmodsimple 8773
_red 801728
_red_cyclo2n 559356
_red_cyclop 1737101
add 336
aprcl 971
aprcl_step4_worker 12996
aprcl_step6_worker 1179
aut 141937
autvec_AL 21234
autvec_TH 21234
calcglobs 950
check_t 301
compute_e 950
compute_g 12996
compute_t 950
compute_t_small 950
computetabdl 19044
divisorslenstra 63
filltabs 5016
finda 1374
get_jac 20215
get_jac2 6048
is_m1 6252
isprimeAPRCL 971
look_eta 20215
look_eta2 6048
makepoldeg1 1135642
modZ 15653844
powpolmod 26263
red_cyclo2n 559356
red_cyclo2n_ip 560629
red_cyclop 1737101
set_add 385
sqrconst 0
sqrmod 2239410
sqrmod3 662718
sqrmod4 472924
sqrmod5 1223199
sqrmodZ 7243000
step4a 20215
step4b 1019
step4c 5029
step4d 6948
step5 0
step6 950
u_red_cyclo2n_ip 7321
zv_to_ZX 20215

Generated by: LCOV version 2.0-1