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 30543-4febeb1110) Lines: 2228 2369 94.0 % Date: 2025-11-10 09:22:37 Functions: 174 178 97.8 % Legend: Lines: hit not hit

Function Name	Hit count
Decomp	254836
Flx_checkdeflate	1601657
Flx_radical	1601644
FpX_radical	5692
Fp_basis	312150
FqM_to_nfM	2934
FqV_to_nfV	0
FqX_non_root	21
FqX_to_nfX	10184
Fq_to_nf	3087273
QXQV_to_FpM	203
QpXV_denom	509074
QpX_denom	2751197
QpX_remove_denom	1743747
RgV_nffix	49
RgX_nffix	328268
RgX_to_algX	1666
Rg_nffix	961875
ZX_Dedekind	1538998
ZX_rescale_inv	59987
Z_fac	197
Zlx_gcd	246315
Zlx_sylvester_echelon	4801505
ZpM_hnfmodid	454198
ZpX_disc_val	184659
ZpX_gcd	254839
ZpX_monic_factor	546
ZpX_monic_factor_squarefree	1155
ZpX_primedec	0
ZpX_reduced_resultant	993466
ZpX_reduced_resultant_fast	932244
ZpX_resultant_val	3581036
ZpX_resultant_val_i	3627196
ZpX_round4	896
ZpX_sylvester_echelon	74045
_msqr	4158
_sqr	16190
checkmodpr	210
checkprid	18074313
checkprid_i	23311483
compmod	287330
compositum	91
compositum2	2877
compositum_fix	26830
dbasis	621092
diag_denom	100532
diag_denomval	685898
ei_msqr_mod	352600
errprime	0
expo_is_squarefree	889
fact_from_factors	4242
ffdegree	4109
fill	4222
fix_PE	512
fnz	223441
gc_nf_to_Fq	14188766
gen_if_principal	35
get_LV	216903
get_coprimes	294
get_d	3213
get_g	356612
get_gamma	303519
get_maxord	813400
get_modpr	137753
get_module	63
get_norm	506055
get_nu	641461
get_partial_order_as_pols	509077
get_powers	161578
get_pr	416635
get_prid	939659
getprime	563777
hnf_Znproj	1084187
ideal_is1	8049
idealprimedec	1299799
idealprimedec_degrees	371
idealprimedec_galois	6552
idealprimedec_kummer	3934405
idealprimedec_limit_f	2821873
idealprimedec_limit_norm	507447
indexpartial	44096
init_m	4513211
init_norm	216864
is_uniformizer	506045
lift_to_zk	93673
loop	238766
manage_cache	706384
maxord	1538999
maxord_disc	711227
maxord_i	455092
minval	3776
mk_pr	4394995
modpr_TAU	4050638
modpr_genFq	4508
modprinit	1212720
mul_intersect	712274
mycaract	706430
newtoncharpoly	699559
newtonsums	706439
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	38604
nf_pV_to_prVV	26614
nf_to_Fq	12922417
nf_to_Fq_i	14189283
nf_to_Fq_init	4049379
nfbasis	938
nfcompositum	13527
nfcompositum_lambda	511
nfdisc	66464
nfdiscfactors	644775
nfidealdet1	63
nfisintegral	31955
nfmaxord	102176
nfmaxord_check_args	813404
nfmodpr	350
nfmodprinit	7
nfmodprinit0	77
nfmodprlift	77
nfpolisintegral	8225
nfpolisintegral_i	8225
nfreducemodpr	210
ok_modpr	4916291
p_is_prime	2212
pol_min	118952
polcompositum0	12974
poldiscfactors	42
poldiscfactors_i	788787
pow_ei_mod_p	748499
pr_anti_uniformizer	1006009
pr_factorback	4263
pr_factorback_scal	4263
pradical	216893
primedec_aux	2828793
primedec_end	216903
progress	394614
redelt	48563
redelt_i	64391
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	746871
set_disc	813360
split_char	480649
sqr_mod	830665
testb2	67231
testc2	48563
to_ff_init	4083493
triv_order	1506
uniformizer	300023
update_den	3571889
update_fact	2438
update_phi	276605
vstar	624499
zk_to_Fq	6521405
zk_to_Fq_init	34097
zkmodprinit	175376
zx_z_div	1533253

Generated by: LCOV version 1.16