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 - base2.c (source / functions) Hit Total Coverage Test: PARI/GP v2.18.1 lcov report (development 30540-a74e376001) Lines: 2228 2369 94.0 % Date: 2025-11-08 09:22:52 Functions: 174 178 97.8 % Legend: Lines: hit not hit

Function Name	Hit count
Decomp	254831
Flx_checkdeflate	1601669
Flx_radical	1601662
FpX_radical	5692
Fp_basis	312154
FqM_to_nfM	2934
FqV_to_nfV	0
FqX_non_root	21
FqX_to_nfX	10184
Fq_to_nf	3087274
QXQV_to_FpM	203
QpXV_denom	509061
QpX_denom	2751147
QpX_remove_denom	1743709
RgV_nffix	49
RgX_nffix	328268
RgX_to_algX	1666
Rg_nffix	961876
ZX_Dedekind	1538976
ZX_rescale_inv	59981
Z_fac	197
Zlx_gcd	246306
Zlx_sylvester_echelon	4801427
ZpM_hnfmodid	454194
ZpX_disc_val	184650
ZpX_gcd	254831
ZpX_monic_factor	546
ZpX_monic_factor_squarefree	1155
ZpX_primedec	0
ZpX_reduced_resultant	993463
ZpX_reduced_resultant_fast	932259
ZpX_resultant_val	3581026
ZpX_resultant_val_i	3627176
ZpX_round4	896
ZpX_sylvester_echelon	74042
_msqr	4158
_sqr	16190
checkmodpr	210
checkprid	18074242
checkprid_i	23311385
compmod	287327
compositum	91
compositum2	2877
compositum_fix	26830
dbasis	621091
diag_denom	100532
diag_denomval	685890
ei_msqr_mod	352606
errprime	0
expo_is_squarefree	889
fact_from_factors	4242
ffdegree	4109
fill	4222
fix_PE	512
fnz	223502
gc_nf_to_Fq	14188757
gen_if_principal	35
get_LV	216903
get_coprimes	294
get_d	3213
get_g	356609
get_gamma	303520
get_maxord	813372
get_modpr	137753
get_module	63
get_norm	506062
get_nu	641434
get_partial_order_as_pols	509059
get_powers	161581
get_pr	416642
get_prid	939659
getprime	563766
hnf_Znproj	1084197
ideal_is1	8049
idealprimedec	1299807
idealprimedec_degrees	371
idealprimedec_galois	6552
idealprimedec_kummer	3934372
idealprimedec_limit_f	2821871
idealprimedec_limit_norm	507439
indexpartial	44096
init_m	4513207
init_norm	216867
is_uniformizer	506055
lift_to_zk	93673
loop	238764
manage_cache	706371
maxord	1538978
maxord_disc	711214
maxord_i	455095
minval	3776
mk_pr	4394996
modpr_TAU	4050650
modpr_genFq	4508
modprinit	1212722
mul_intersect	712290
mycaract	706418
newtoncharpoly	699554
newtonsums	706430
nfM_to_FqM	1872
nfV_to_FqV	167410
nfXQ_mul	16523
nfX_mul	20646
nfX_rem	16523
nfX_sub	4123
nfX_to_FqX	9373
nfX_to_monic	1680
nfXisintegral	7301
nf_pV_to_prV	38605
nf_pV_to_prVV	26614
nf_to_Fq	12922412
nf_to_Fq_i	14189263
nf_to_Fq_init	4049404
nfbasis	938
nfcompositum	13528
nfcompositum_lambda	511
nfdisc	66461
nfdiscfactors	644763
nfidealdet1	63
nfisintegral	31955
nfmaxord	102157
nfmaxord_check_args	813393
nfmodpr	350
nfmodprinit	7
nfmodprinit0	77
nfmodprlift	77
nfpolisintegral	8225
nfpolisintegral_i	8225
nfreducemodpr	210
ok_modpr	4916317
p_is_prime	2211
pol_min	118957
polcompositum0	12975
poldiscfactors	42
poldiscfactors_i	788782
pow_ei_mod_p	748510
pr_anti_uniformizer	1006001
pr_factorback	4263
pr_factorback_scal	4263
pradical	216899
primedec_aux	2828781
primedec_end	216903
progress	394611
redelt	48564
redelt_i	64395
rnfallbase	3164
rnfbasis	21
rnfdedekind	91
rnfdedekind_i	4151
rnfdet	14
rnfdisc_factored	868
rnfdiscf	77
rnfeltid_powmod	5834
rnfhnfbasis	7
rnfisfree	7
rnfjoinmodules	1329
rnfjoinmodules_i	2111
rnfmaxord	4067
rnfsimplifybasis	0
rnfsteinitz	28
safe_Z_pvalrem	15050
setPE	746874
set_disc	813321
split_char	480639
sqr_mod	830674
testb2	67236
testc2	48564
to_ff_init	4083514
triv_order	1506
uniformizer	300030
update_den	3571816
update_fact	2439
update_phi	276595
vstar	624483
zk_to_Fq	6521369
zk_to_Fq_init	34097
zkmodprinit	175376
zx_z_div	1533245

Generated by: LCOV version 1.16