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) Hit Total Coverage Test: PARI/GP v2.18.1 lcov report (development 30499-74bdd0ac5b) Lines: 1223 1314 93.1 % Date: 2025-09-16 09:24:07 Functions: 75 79 94.9 % Legend: Lines: hit not hit

Function Name	Hit count
FlxqXQV_fixedalg	0
fixedalg_order	0
rnfabelianconjgen	0
zerofact	0
nffactormod	7
polfnf	14
nfroots_if_split	21
rnffrobeniuslift	35
rnfgaloisanalysis	35
rnfabelianconjgen_i	42
rnfgaloisconj_bound	42
rnfisabelian	42
RgX_galconj_bound	63
nf_LLL_cmbf	91
nf_chk_factors	98
nfsqff_trager	175
get_V	476
ZXirred_is_cyclo_translate	2940
QXQX_gcd	3003
ZXQX_gcd	5264
nf_DDF_roots	6265
nf_Beauzamy_bound	12201
nf_Mignotte_bound	12201
nf_combine_factors	12201
nf_factor_bound	12201
nfcmbf	12201
get_Bhigh	12292
proper_nf	12460
fact_from_sqff	12733
nffactor	13055
nffactor_i	13062
nf_root_bounds	18466
ZqX_normalize	18471
ZqX	18506
init_proj	18507
bestlift_bound	18508
bestlift_init	18508
init_div_data	18543
get_R	18740
max_radius	18740
normlp	20930
nf_L2_bound	22781
init_trace	24402
update_target	24507
guess_roots	25018
normTp	25144
get_maxf	31054
get_nbprimes	31054
nf_pick_prime	31054
fix_nf	34904
get_nfsqff_data	35058
ensure_lt_INT	35072
QXQX_normalize	36430
nf_pol_lift	36721
RgX_int_normalize	36869
nfsqff	39636
nfroots	40231
nfgcd	48057
nfissquarefree	49839
FqX_centermod	53051
trivroots	55586
nfrootsof1	64729
nfsqff_use_Trager	66133
nfgcd_all	88510
cmbf_maxK	112818
lead_simplify	118948
record	125866
nf_bestlift_to_pol	157124
nf_to_Zq	162498
arch_for_T2	204665
get_trace	206195
update_trace	209084
nf_bestlift	262496
FpX_ratlift	363733
get_good_factor	454565
_norml2	479535
FpM_ratlift	2781437
FpC_ratlift	5329724
lift_to_frac	27303283

Generated by: LCOV version 1.16