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 - QX_factor.c (source / functions) Hit Total Coverage
Test: PARI/GP v2.18.1 lcov report (development 30499-74bdd0ac5b) Lines: 913 954 95.7 %
Date: 2025-09-17 09:23:49 Functions: 61 64 95.3 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
BD 2359
BD_deg1 0
BD_odd 406
Beauzamy_bound 61279
DDF_roots 1876558
LLL_check_progress 1547
LLL_cmbf 126
Mignotte_bound 61279
QX_factor 805
QX_gcd 19211
QXk_gcd 189
Rg_is_QXk 0
ZX_DDF 153522
ZX_DDF_max 206625
ZX_divides 6559125
ZX_divides_i 6588525
ZX_factor 50757
ZX_factor_i 51562
ZX_gcd 10624800
ZX_gcd_Flx 3371043
ZX_gcd_all 14468115
ZX_gcd_chinese 117551
ZX_gcd_filter 123705
ZX_gcd_slice 3359397
ZX_gcd_worker 3359398
ZX_is_irred 102656
ZX_is_squarefree 198740
ZX_radical 3167750
ZX_squff 333831
ZXkX_ZXk_divexact 2528117
ZXkX_ZXk_divexact_s 2571356
ZXkX_ZXk_divides_s 3264990
ZXk_center2n 4910922
ZXk_content_shallow 3445416
ZXk_divexact 0
ZXk_divexact_i 2529297
ZXk_divexact_s 7584530
ZXk_divides 6218618
ZXk_divides_i 2789715
ZXk_divides_s 10123525
ZXk_gcd 1686070
ZXk_gcd_i 8689753
ZXk_renormalize 4961365
_gcd 19400
centeri2n 3214547
chk_factors 140
chk_factors_get 350
cmbf 50785
cmbf_precs 50785
combine_factors 50785
dividesii 3481592
fact_from_DDF 51555
factor_bound 61279
invphi 19620
myconcat 2310
next2pow 14
nfrootsQ 1876559
pick_prime 2083182
polcyclofactors 315
poliscyclo 99211
poliscycloprod 1029
rec 1714462
root_bound 111071
shifteval 184877

Generated by: LCOV version 1.16