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 30318-7d854b8994) Lines: 2228 2369 94.0 % Date: 2025-06-06 09:19:58 Functions: 174 178 97.8 % Legend: Lines: hit not hit

Function Name	Hit count
FqV_to_nfV	0
ZpX_primedec	0
errprime	0
rnfsimplifybasis	0
nfmodprinit	7
rnfhnfbasis	7
rnfisfree	7
rnfdet	14
FqX_non_root	21
rnfbasis	21
rnfsteinitz	28
gen_if_principal	35
poldiscfactors	42
RgV_nffix	49
get_module	63
nfidealdet1	63
nfmodprinit0	77
nfmodprlift	77
rnfdiscf	77
compositum	91
rnfdedekind	91
Z_fac	183
QXQV_to_FpM	203
checkmodpr	210
nfreducemodpr	210
get_coprimes	294
nfmodpr	350
idealprimedec_degrees	371
fix_PE	498
nfcompositum_lambda	511
ZpX_monic_factor	546
rnfdisc_factored	868
expo_is_squarefree	889
ZpX_round4	896
nfbasis	938
ZpX_monic_factor_squarefree	1155
rnfjoinmodules	1329
triv_order	1506
RgX_to_algX	1666
nfX_to_monic	1680
nfM_to_FqM	1872
rnfjoinmodules_i	2111
p_is_prime	2218
update_fact	2340
compositum2	2877
FqM_to_nfM	2934
rnfallbase	2940
get_d	2989
minval	3776
fact_from_factors	4018
rnfmaxord	4067
ffdegree	4109
nfX_sub	4123
rnfdedekind_i	4151
_msqr	4158
fill	4222
pr_factorback	4263
pr_factorback_scal	4263
modpr_genFq	4508
FpX_radical	5692
rnfeltid_powmod	5834
idealprimedec_galois	6552
nfXisintegral	7077
ideal_is1	8049
nfpolisintegral	8225
nfpolisintegral_i	8225
nfX_to_FqX	9373
FqX_to_nfX	10184
polcompositum0	12851
nfcompositum	13404
safe_Z_pvalrem	13930
_sqr	16190
nfXQ_mul	16523
nfX_rem	16523
zk_to_Fq_init	18760
nfX_mul	20646
compositum_fix	26579
nf_pV_to_prVV	26614
nfisintegral	31283
nf_pV_to_prV	38605
indexpartial	44089
redelt	48529
testc2	48529
ZX_rescale_inv	59926
redelt_i	64354
nfdisc	66462
testb2	67214
ZpX_sylvester_echelon	74028
lift_to_zk	92189
diag_denom	99456
nfmaxord	101750
pol_min	117694
get_modpr	137753
get_powers	159578
nfV_to_FqV	167410
zkmodprinit	175369
ZpX_disc_val	184500
init_norm	214415
get_LV	214444
pradical	214444
primedec_end	214444
fnz	221442
loop	238599
Zlx_gcd	246166
ZpX_gcd	254683
Decomp	254684
update_phi	276517
compmod	287128
uniformizer	296748
get_gamma	303364
Fp_basis	307196
RgX_nffix	323002
ei_msqr_mod	347679
get_g	356437
progress	394396
get_pr	411689
ZpM_hnfmodid	453988
maxord_i	454893
split_char	480385
is_uniformizer	502725
get_norm	502731
idealprimedec_limit_norm	505223
QpXV_denom	508765
get_partial_order_as_pols	508768
getprime	563554
dbasis	620014
vstar	624214
get_nu	641162
nfdiscfactors	644772
diag_denomval	685877
newtoncharpoly	699283
mul_intersect	702327
manage_cache	706082
mycaract	706119
newtonsums	706130
maxord_disc	711225
pow_ei_mod_p	738699
setPE	746470
poldiscfactors_i	788768
set_disc	812931
nfmaxord_check_args	812971
get_maxord	812973
sqr_mod	822119
ZpX_reduced_resultant_fast	931894
get_prid	939491
Rg_nffix	945808
pr_anti_uniformizer	966814
ZpX_reduced_resultant	993052
hnf_Znproj	1030273
modprinit	1158172
idealprimedec	1273319
zx_z_div	1531199
maxord	1536934
ZX_Dedekind	1536935
Flx_radical	1599590
Flx_checkdeflate	1599614
QpX_remove_denom	1742805
idealprimedec_limit_f	2700671
primedec_aux	2707575
QpX_denom	2749530
Fq_to_nf	3086533
ZpX_resultant_val	3450743
ZpX_resultant_val_i	3496835
nf_to_Fq_init	3516254
modpr_TAU	3517542
to_ff_init	3535033
update_den	3569974
idealprimedec_kummer	3799797
mk_pr	4257089
ok_modpr	4367660
init_m	4382576
Zlx_sylvester_echelon	4670589
zk_to_Fq	6394905
nf_to_Fq	12639451
gc_nf_to_Fq	13905798
nf_to_Fq_i	13906319
checkprid	17906052
checkprid_i	22876283

Generated by: LCOV version 1.16