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 30622-caa25a75db) Lines: 2050 2158 95.0 % Date: 2026-01-22 09:18:00 Functions: 226 237 95.4 % Legend: Lines: hit not hit

Function Name	Hit count
Ideallist	10698
Idealstar	938
Idealstarmod	243006
Idealstarmod_i	243279
Idealstarprk	273
Q_mod_bid	14
RgC_to_nfC	112699
RgM_RgX_mul	1365
RgM_to_nfM	6771
RgX_to_nfX	30836
ZC_add1	183013
ZC_cxlog	1722911
ZC_nfval	19749111
ZC_nfvalrem	24197854
ZC_prdvd	1232583
ZC_sub1	63069
ZMV_ZCV_mul	1870906
ZM_ZMV_mul	518
ZM_ZX_mul	9919121
ZV_snf_gcd	2217338
_mul	387339
_mulii	1065368330
_nf_add	3690602
_nf_inv	13529
_nf_mul	4308468
_nf_neg	197247
_nf_red	753389
_nf_s	3331
_sqr	1030287
algtobasis	950003
apply_U	2664872
basistoalg	225996
bid_grp	243588
check_mod_factored	243922
checkarchp	115852
chineseinit_i	6687
chk_ind	37120
concat_join	671841
cxlog_1	22187
cxlog_m1	531
ei_multable	35397
eltmul	334606
eltpow	476485
famatQ_to_famatZ	35
famat_abs	35
famat_cba	35
famat_cxlog	223627
famat_logembed	1309
famat_nfvalrem	422741
famat_norm	35
famat_sign	35
famat_strip2	243914
famat_to_nf_modideal_coprime	2834273
famat_zlog	1417587
famat_zlog_pr	2121093
famat_zlog_pr_coprime	196
get_C	705594
get_nf_field	53499
get_tab	38868101
gideallist	63
gpnfvalrem	15015
idealHNF_norm_pval	63
idealchinese	12779
idealfactorback	88870
ideallist	9987
ideallist0	10663
ideallistarch	14
ideallog	13769
ideallog_i	1514193
ideallog_units	84
ideallog_units0	214587
ideallogmod	1520871
idealprincipalunits	196
idealprincipalunits_i	174027
idealstar0	0
idealstarmod	112
idmul	72008
idmulred	56
idpow	87971
idpowred	414
indices_to_vec01	125439
init_zlog	359526
init_zlog_mod	2088304
is_chineseinit	13274
is_famat	53587037
isprfact	6218
join_arch	42
join_archunit	14
join_bid	469
join_bid_arch	42
join_ideal	240355
join_idealinit	469
join_unit	448
log_gen_arch	102585
log_gen_pr	440996
log_prk	3027101
log_prk1	1616827
log_prk_init	84256
log_prk_units	518
log_prk_units_init	49
low_prec	4581063
matalgtobasis	30138
matbasistoalg	3213
mulbytab	7280
multable	2051
nfC_multable_mul	31257
nfC_nf_mul	113793
nfM_det	14
nfM_inv	3317
nfM_ker	0
nfM_mul	2926
nfM_nfC_mul	47242
nfV_cxlog	97
nf_cxlog	1350961
nf_to_scalar_or_alg	7006734
nf_to_scalar_or_basis	122113937
nf_to_scalar_or_polmod	2133859
nfadd	14099128
nfarchstar	622367
nfchecksigns	14506
nfchecksigns_i	102646
nfdiv	39660
nfdiveuc	259
nfdivrem	259
nfeltembed	730
nfeltembed_i	730
nfeltsign	126175
nfembed	0
nfembed_i	2122
nffactorback	272148
nfinv	188232
nfinvmodideal	173
nfispower	11155
nfissquare	1218
nflogembed	102843
nfmod	259
nfmul	24339149
nfmuli	4667664
nfmuli_ZC	8112062
nfmulmodideal	7577056
nfmulpowmodideal	4975571
nfnorm	211684
nfpolsturm	2163
nfpow	983174
nfpow_u	366328
nfpowmodideal	6268091
nfsetsigns	831122
nfsign	48470
nfsign_arch	1242396
nfsqr	6029435
nfsqri	4456662
nfsqri_ZC	7083901
nfsqrmodideal	2654670
nfsub	1427823
nftrace	20663
nfval	5566781
nfvalrem	3613789
num_positive	1139849
oksigns	32444
order_update	694567
parse_embed	129061
pl_convert	1220
pl_normalize	2996
pol_to_scalar_or_basis	3358817
polmod_nffix	181329
polmod_nffix2	181420
poltobasis	9333385
powp	973309
pr_basis_perm	68599
pr_equal	357
pr_init	6218
principal_units	174027
principal_units_relations	63449
rnfalgtobasis	1428
rnfbasistoalg	61264
rnfeltnorm	462
rnfelttrace	1050
sarch_get_F	705594
sarch_get_MI	705594
sarch_get_archp	1794314
sarch_get_cyc	458946
sarch_get_lambda	705594
scalar_logembed	15795
set_sign_mod_divisor	861766
setsigns_init	463824
split_U	242529
sprk_get_AgL2	0
sprk_get_L2	1497352
sprk_get_U2	1476056
sprk_get_cyc	4401845
sprk_get_expo	2121289
sprk_get_ff	2953647
sprk_get_gen	331069
sprk_get_gnf	318208
sprk_get_k	63
sprk_get_pr	2775129
sprk_get_prk	5495584
sprk_is_prime	2953713
sprk_log_gen_pr	2037
sprk_log_gen_pr2	136354
sprk_log_prk1	262683
sprk_log_prk1_2	420426
sprk_to_bid	63
sprkinit	415254
tablemul	0
tablemul_ei	4158
tablemul_ei_ej	5746
tablemulvec	2051
tablesqr	10092
to_RgX	119
vec01_to_indices	1299210
veclog_prk	497
vecsmall01_to_indices	2996
zidealij	247554
zidealstar	0
zidealstarinit	0
zidealstarinitgen	0
zkC_multable_mul	193670
zkVchinese1	241487
zk_ei_mul	23626932
zk_embed	100803
zk_inv	298512
zk_modHNF	7815809
zk_multable	10875883
zk_scalar_or_multable	5085428
zkadd	0
zkadd1	270576
zkchinese	0
zkchinese1	270577
zkchinese1init2	259
zkchineseinit	241225
zkmul	270576
zkmultable_capZ	1310795
zkmultable_inv	1609307
zksub	0
zksub1	270577
zlog	453312

Generated by: LCOV version 1.16