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 30569-8181146aa1) Lines: 2228 2369 94.0 % Date: 2025-12-02 09:22:09 Functions: 174 178 97.8 % Legend: Lines: hit not hit

Function Name	Hit count
Decomp	254845
Flx_checkdeflate	1601765
Flx_radical	1601737
FpX_radical	5693
Fp_basis	312302
FqM_to_nfM	2934
FqV_to_nfV	0
FqX_non_root	21
FqX_to_nfX	10226
Fq_to_nf	3087520
QXQV_to_FpM	203
QpXV_denom	509091
QpX_denom	2751295
QpX_remove_denom	1743804
RgV_nffix	49
RgX_nffix	328296
RgX_to_algX	1666
Rg_nffix	962072
ZX_Dedekind	1539095
ZX_rescale_inv	59988
Z_fac	197
Zlx_gcd	246321
Zlx_sylvester_echelon	4803321
ZpM_hnfmodid	454218
ZpX_disc_val	184674
ZpX_gcd	254846
ZpX_monic_factor	546
ZpX_monic_factor_squarefree	1155
ZpX_primedec	0
ZpX_reduced_resultant	993499
ZpX_reduced_resultant_fast	932314
ZpX_resultant_val	3582970
ZpX_resultant_val_i	3629089
ZpX_round4	896
ZpX_sylvester_echelon	74185
_msqr	4158
_sqr	16190
checkmodpr	210
checkprid	18313281
checkprid_i	23551379
compmod	287340
compositum	91
compositum2	2884
compositum_fix	26843
dbasis	621153
diag_denom	100589
diag_denomval	685900
ei_msqr_mod	353044
errprime	0
expo_is_squarefree	889
fact_from_factors	4249
ffdegree	4109
fill	4222
fix_PE	512
fnz	223590
gc_nf_to_Fq	14189066
gen_if_principal	35
get_LV	216978
get_coprimes	294
get_d	3220
get_g	356633
get_gamma	303536
get_maxord	813430
get_modpr	137753
get_module	63
get_norm	506176
get_nu	641480
get_partial_order_as_pols	509091
get_powers	161621
get_pr	416806
get_prid	939659
getprime	563802
hnf_Znproj	1084275
ideal_is1	8049
idealprimedec	1299848
idealprimedec_degrees	371
idealprimedec_galois	6552
idealprimedec_kummer	3936353
idealprimedec_limit_f	2822754
idealprimedec_limit_norm	507444
indexpartial	44095
init_m	4515215
init_norm	216953
is_uniformizer	506170
lift_to_zk	93673
loop	238771
manage_cache	706417
maxord	1539097
maxord_disc	711232
maxord_i	455116
minval	3776
mk_pr	4397026
modpr_TAU	4050728
modpr_genFq	4508
modprinit	1212787
mul_intersect	712603
mycaract	706465
newtoncharpoly	699624
newtonsums	706469
nfM_to_FqM	1872
nfV_to_FqV	167410
nfXQ_mul	16523
nfX_mul	20667
nfX_rem	16523
nfX_sub	4144
nfX_to_FqX	9415
nfX_to_monic	1680
nfXisintegral	7329
nf_pV_to_prV	38605
nf_pV_to_prVV	26614
nf_to_Fq	12922442
nf_to_Fq_i	14189585
nf_to_Fq_init	4049435
nfbasis	938
nfcompositum	13533
nfcompositum_lambda	511
nfdisc	66465
nfdiscfactors	644780
nfidealdet1	63
nfisintegral	32235
nfmaxord	102195
nfmaxord_check_args	813438
nfmodpr	350
nfmodprinit	7
nfmodprinit0	77
nfmodprlift	77
nfpolisintegral	8253
nfpolisintegral_i	8253
nfreducemodpr	210
ok_modpr	4916375
p_is_prime	2210
pol_min	118996
polcompositum0	12980
poldiscfactors	42
poldiscfactors_i	788793
pow_ei_mod_p	748792
pr_anti_uniformizer	1006033
pr_factorback	4277
pr_factorback_scal	4277
pradical	216974
primedec_aux	2829658
primedec_end	216979
progress	394630
redelt	48567
redelt_i	64397
rnfallbase	3171
rnfbasis	21
rnfdedekind	91
rnfdedekind_i	4172
rnfdet	14
rnfdisc_factored	868
rnfdiscf	77
rnfeltid_powmod	5834
rnfhnfbasis	7
rnfisfree	7
rnfjoinmodules	1329
rnfjoinmodules_i	2111
rnfmaxord	4088
rnfsimplifybasis	0
rnfsteinitz	28
safe_Z_pvalrem	15092
setPE	746922
set_disc	813396
split_char	480667
sqr_mod	831361
testb2	67235
testc2	48567
to_ff_init	4083571
triv_order	1513
uniformizer	300142
update_den	3571982
update_fact	2439
update_phi	276618
vstar	624522
zk_to_Fq	6521704
zk_to_Fq_init	34111
zkmodprinit	175411
zx_z_div	1533339

Generated by: LCOV version 1.16