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:

• with GMP kernel
• with GMP kernel using --mt=pthread
• with native kernel, including micro-assembler code
• with native kernel, without micro-assembler
• with native kernel, without micro-assembler, disabling GCC extensions (DISABLE_INLINE)
• with GMP kernel, emulating an x86_32 architecture at Configure time via setarch

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 - nffactor.c (source / functions) Coverage Total Hit Test: PARI/GP v2.18.1 lcov report (development 31042-0fbe168e69) Lines: 93.2 % 1317 1227 Test Date: 2026-07-23 17:04:59 Functions: 95.0 % 80 76 Legend: Lines:     hit not hit

Function Name	Hit count
FlxqXQV_fixedalg	0
FpC_ratlift	5347515
FpM_ratlift	2785305
FpX_ratlift	364212
FqX_centermod	52955
QXQX_gcd	3045
QXQX_normalize	38369
RgX_galconj_bound	63
RgX_int_normalize	36645
ZXQX_gcd	5544
ZXirred_is_cyclo_translate	2989
ZqX	19057
ZqX_normalize	19022
_norml2	477366
arch_for_T2	202270
bestlift_bound	19057
bestlift_init	19057
cmbf_maxK	114772
ensure_lt_INT	36619
fact_from_sqff	12572
fix_nf	36451
fixedalg_order	0
get_Bhigh	12166
get_R	19275
get_V	476
get_good_factor	462892
get_maxf	31929
get_nbprimes	31929
get_nfsqff_data	36605
get_trace	206133
guess_roots	25046
init_div_data	19092
init_proj	19057
init_trace	24150
lead_simplify	121395
lift_to_frac	27603034
max_radius	19275
nf_Beauzamy_bound	12075
nf_DDF_roots	6940
nf_L2_bound	23337
nf_LLL_cmbf	91
nf_Mignotte_bound	12075
nf_bestlift	263399
nf_bestlift_to_pol	158555
nf_chk_factors	98
nf_combine_factors	12075
nf_factor_bound	12075
nf_pick_prime	31929
nf_pol_lift	36624
nf_root_bounds	19015
nf_to_Zq	165205
nfcmbf	12075
nffactor	12894
nffactor_i	12901
nffactormod	7
nfgcd	48048
nfgcd_all	90330
nfissquarefree	49826
nfroots	43213
nfroots_if_split	21
nfroots_worker	13950
nfrootsof1	64771
nfsqff	42317
nfsqff_trager	175
nfsqff_use_Trager	68555
normTp	26368
normlp	21734
polfnf	14
proper_nf	12752
record	129420
rnfabelianconjgen	0
rnfabelianconjgen_i	42
rnffrobeniuslift	35
rnfgaloisanalysis	35
rnfgaloisconj_bound	42
rnfisabelian	42
trivroots	55587
update_target	24409
update_trace	208864
zerofact	0

Generated by: LCOV version 2.0-1