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) Hit Total Coverage Test: PARI/GP v2.18.1 lcov report (development 30759-17b423fb9b) Lines: 2050 2158 95.0 % Date: 2026-03-21 09:26:11 Functions: 226 237 95.4 % 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	534
nfeltembed	735
nfeltembed_i	735
Idealstar	938
rnfelttrace	1050
nfissquare	1218
pl_convert	1220
famat_logembed	1309
RgM_RgX_mul	1365
rnfalgtobasis	1428
sprk_log_gen_pr	2037
multable	2058
tablemulvec	2058
nfembed_i	2147
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	11707
idealchinese	12779
is_chineseinit	13274
_nf_inv	13727
ideallog	13769
nfchecksigns	14506
gpnfvalrem	15015
scalar_logembed	15820
nftrace	22505
cxlog_1	23169
nfC_multable_mul	31375
RgX_to_nfX	32707
matalgtobasis	33342
oksigns	34201
chk_ind	37121
nfdiv	40286
ei_multable	40294
nfM_nfC_mul	48529
nfsign	53914
get_nf_field	54830
rnfbasistoalg	61264
principal_units_relations	69957
ZC_sub1	71776
idmul	72020
pr_basis_perm	72247
idpow	87971
idealfactorback	94612
log_prk_init	95417
zk_embed	104198
nfchecksigns_i	105794
nflogembed	107646
log_gen_arch	111984
RgC_to_nfC	112896
nfC_nf_mul	114287
nfeltsign	126175
parse_embed	129066
checkarchp	134106
indices_to_vec01	143707
sprk_log_gen_pr2	145838
polmod_nffix	181329
polmod_nffix2	181420
nfinv	188896
idealprincipalunits_i	194094
principal_units	194094
zkC_multable_mul	194468
_nf_neg	204392
ZC_add1	204719
nfnorm	216208
famat_cxlog	225453
basistoalg	226047
ideallog_units0	239958
join_ideal	268510
zkchineseinit	270320
split_U	270385
zkVchinese1	270565
Idealstarmod	270829
Idealstarmod_i	271102
bid_grp	271412
check_mod_factored	271747
famat_strip2	271758
zidealij	275322
sprk_log_prk1	275852
nffactorback	279403
zkadd1	301816
zkmul	301817
zkchinese1	301846
zksub1	301846
zk_inv	309669
sprk_get_gnf	318214
eltmul	350699
sprk_get_gen	370358
nfpow_u	370814
init_zlog	395955
_mul	400676
famat_nfvalrem	422947
sprk_log_prk1_2	444823
sprkinit	465694
setsigns_init	480474
log_gen_pr	484269
zlog	495230
eltpow	499833
sarch_get_cyc	512145
nfarchstar	658776
get_C	730149
sarch_get_F	730149
sarch_get_lambda	730149
sarch_get_MI	730150
order_update	739845
concat_join	758780
_nf_red	778543
nfsetsigns	864053
set_sign_mod_divisor	894698
powp	973413
algtobasis	973771
nfpow	1026834
_sqr	1066488
num_positive	1163306
nfsign_arch	1267999
ZC_prdvd	1294426
vec01_to_indices	1327814
zkmultable_capZ	1328581
nf_cxlog	1359975
famat_zlog	1424663
nfsub	1432749
ideallog_i	1521360
ideallogmod	1528039
sprk_get_U2	1532093
sprk_get_L2	1552230
zkmultable_inv	1638242
log_prk1	1686132
ZC_cxlog	1765018
sarch_get_archp	1863317
ZMV_ZCV_mul	1919876
nf_to_scalar_or_polmod	2133859
famat_zlog_pr	2143564
sprk_get_expo	2143760
init_zlog_mod	2157265
ZV_snf_gcd	2321620
apply_U	2781861
nfsqrmodideal	2813208
sprk_get_pr	2820299
famat_to_nf_modideal_coprime	2927866
sprk_get_ff	3041832
sprk_is_prime	3041862
log_prk	3124432
pol_to_scalar_or_basis	3473954
nfvalrem	3666375
_nf_add	3861892
_nf_mul	4502050
sprk_get_cyc	4570991
nfsqri	4710469
low_prec	4736971
nfmuli	4817084
nfmulpowmodideal	5087534
zk_scalar_or_multable	5356714
nfval	5614574
sprk_get_prk	5630488
nfsqr	6108767
nfpowmodideal	6487676
nf_to_scalar_or_alg	7165314
nfsqri_ZC	7354639
nfmulmodideal	7849840
zk_modHNF	8139712
nfmuli_ZC	8248906
poltobasis	9647807
ZM_ZX_mul	10271258
zk_multable	11373324
nfadd	14282389
ZC_nfval	20262899
nfmul	24580922
zk_ei_mul	24699428
ZC_nfvalrem	24765124
get_tab	40350879
is_famat	54071601
nf_to_scalar_or_basis	123879184
_mulii	1091881605

Generated by: LCOV version 1.16