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 - base3.c (source / functions) Coverage Total Hit Test: PARI/GP v2.18.1 lcov report (development 31042-0fbe168e69) Lines: 95.0 % 2159 2051 Test Date: 2026-07-23 17:04:59 Functions: 95.4 % 237 226 Legend: Lines:     hit not hit

Function Name	Hit count
idealstar0	0
nfM_ker	0
nfembed	0
sprk_get_AgL2	0
tablemul	0
zidealstar	0
zidealstarinit	0
zidealstarinitgen	0
zkadd	0
zkchinese	0
zksub	0
Q_mod_bid	14
ideallistarch	14
join_archunit	14
nfM_det	14
famatQ_to_famatZ	35
famat_abs	35
famat_cba	35
famat_norm	35
famat_sign	35
join_arch	42
join_bid_arch	42
log_prk_units_init	49
idmulred	56
gideallist	63
idealHNF_norm_pval	63
sprk_get_k	63
sprk_to_bid	63
ideallog_units	84
nfV_cxlog	97
idealstarmod	112
to_RgX	119
nfinvmodideal	175
famat_zlog_pr_coprime	196
idealprincipalunits	196
nfdiveuc	259
nfdivrem	259
nfmod	259
zkchinese1init2	259
Idealstarprk	273
pr_equal	357
idpowred	413
join_unit	448
rnfeltnorm	462
join_bid	469
join_idealinit	469
veclog_prk	497
ZM_ZMV_mul	518
log_prk_units	518
cxlog_m1	541
nfeltembed	735
nfeltembed_i	735
Idealstar	938
rnfelttrace	1050
pl_convert	1220
famat_logembed	1309
RgM_RgX_mul	1365
rnfalgtobasis	1428
sprk_log_gen_pr	2037
multable	2058
tablemulvec	2058
nfembed_i	2147
nfissquare	2163
nfpolsturm	2163
nfM_mul	2948
pl_normalize	2996
vecsmall01_to_indices	2996
matbasistoalg	3220
nfM_inv	3339
_nf_s	3353
tablemul_ei	4158
tablemul_ei_ej	5834
isprfact	6218
pr_init	6218
chineseinit_i	6687
RgM_to_nfM	6800
mulbytab	7300
tablesqr	10356
ideallist	10563
ideallist0	11298
Ideallist	11333
nfispower	11701
idealchinese	12779
is_chineseinit	13274
_nf_inv	13727
ideallog	13769
nfchecksigns	14506
gpnfvalrem	15015
scalar_logembed	15820
nftrace	22505
cxlog_1	23451
nfC_multable_mul	31375
matalgtobasis	33258
RgX_to_nfX	33749
oksigns	34239
chk_ind	37121
ei_multable	40121
nfdiv	40153
nfM_nfC_mul	48529
nfsign	53914
get_nf_field	54830
rnfbasistoalg	61264
principal_units_relations	69958
ZC_sub1	71778
idmul	72020
pr_basis_perm	72247
idpow	87971
idealfactorback	94612
log_prk_init	95417
zk_embed	104404
nfchecksigns_i	105795
nflogembed	107646
log_gen_arch	111993
RgC_to_nfC	112896
nfC_nf_mul	114287
nfeltsign	126175
parse_embed	129066
checkarchp	134113
indices_to_vec01	143710
sprk_log_gen_pr2	145845
polmod_nffix	181329
polmod_nffix2	181420
nfinv	188896
idealprincipalunits_i	194103
principal_units	194103
zkC_multable_mul	194458
_nf_neg	204392
ZC_add1	204736
nfnorm	216410
basistoalg	226047
famat_cxlog	227519
ideallog_units0	239967
join_ideal	268702
zkchineseinit	270340
split_U	270396
zkVchinese1	270599
Idealstarmod	270865
Idealstarmod_i	271138
bid_grp	271453
check_mod_factored	271789
famat_strip2	271789
zidealij	275331
sprk_log_prk1	275877
nffactorback	281077
zkadd1	301882
zkchinese1	301882
zkmul	301882
zksub1	301882
zk_inv	309366
sprk_get_gnf	318214
eltmul	350856
sprk_get_gen	370391
nfpow_u	370605
init_zlog	395976
_mul	398815
famat_nfvalrem	422947
sprk_log_prk1_2	444871
sprkinit	465745
setsigns_init	480687
log_gen_pr	484309
zlog	495257
eltpow	499857
sarch_get_cyc	512197
nfarchstar	659017
get_C	730494
sarch_get_F	730494
sarch_get_MI	730494
sarch_get_lambda	730494
order_update	739870
concat_join	759815
_nf_red	778543
nfsetsigns	864265
set_sign_mod_divisor	894909
powp	973434
algtobasis	975436
nfpow	1025617
_sqr	1061777
num_positive	1164143
nfsign_arch	1271145
ZC_prdvd	1294509
zkmultable_capZ	1330600
vec01_to_indices	1330967
nf_cxlog	1363184
famat_zlog	1424663
nfsub	1432749
ideallog_i	1521361
ideallogmod	1528039
sprk_get_U2	1532197
sprk_get_L2	1552329
zkmultable_inv	1639966
log_prk1	1686218
ZC_cxlog	1768971
sarch_get_archp	1863749
ZMV_ZCV_mul	1919927
nf_to_scalar_or_polmod	2134874
famat_zlog_pr	2143570
sprk_get_expo	2143766
init_zlog_mod	2157304
ZV_snf_gcd	2321772
apply_U	2782031
nfsqrmodideal	2813805
sprk_get_pr	2820337
famat_to_nf_modideal_coprime	2927962
sprk_get_ff	3041957
sprk_is_prime	3042020
log_prk	3124564
pol_to_scalar_or_basis	3480213
nfvalrem	3666401
_nf_add	3861892
_nf_mul	4502050
sprk_get_cyc	4571337
nfsqri	4706338
low_prec	4744909
nfmuli	4818043
nfmulpowmodideal	5090484
zk_scalar_or_multable	5359470
nfval	5614624
sprk_get_prk	5630818
nfsqr	6108668
nfpowmodideal	6491368
nf_to_scalar_or_alg	7169665
nfsqri_ZC	7350442
nfmulmodideal	7853011
zk_modHNF	8143458
nfmuli_ZC	8247258
poltobasis	9654020
ZM_ZX_mul	10293168
zk_multable	11381383
nfadd	14282389
ZC_nfval	20262180
nfmul	24580851
zk_ei_mul	24733860
ZC_nfvalrem	24764493
get_tab	40381673
is_famat	54069892
nf_to_scalar_or_basis	123910357
_mulii	1146487396

Generated by: LCOV version 2.0-1