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:

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 30674-be81ecfdd4) Lines: 2050 2158 95.0 %
Date: 2026-02-12 09:23:52 Functions: 226 237 95.4 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by 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 11702
idealchinese 12779
is_chineseinit 13274
_nf_inv 13727
ideallog 13769
nfchecksigns 14506
gpnfvalrem 15015
scalar_logembed 15820
nftrace 21307
cxlog_1 23193
nfC_multable_mul 31375
RgX_to_nfX 32709
matalgtobasis 33216
oksigns 34198
chk_ind 37121
nfdiv 40280
ei_multable 40295
nfM_nfC_mul 48529
nfsign 53914
get_nf_field 54830
rnfbasistoalg 61264
principal_units_relations 69958
ZC_sub1 71776
idmul 72020
pr_basis_perm 72247
idpow 87971
idealfactorback 94615
log_prk_init 95417
zk_embed 104181
nfchecksigns_i 105794
nflogembed 107645
log_gen_arch 111992
RgC_to_nfC 112896
nfC_nf_mul 114287
nfeltsign 126175
parse_embed 129066
checkarchp 134099
indices_to_vec01 143699
sprk_log_gen_pr2 145837
polmod_nffix 181329
polmod_nffix2 181420
nfinv 188805
idealprincipalunits_i 194093
principal_units 194095
zkC_multable_mul 194469
_nf_neg 204392
ZC_add1 204719
nfnorm 216282
famat_cxlog 225453
basistoalg 226047
ideallog_units0 239956
join_ideal 268558
zkchineseinit 270331
split_U 270384
zkVchinese1 270574
Idealstarmod 270846
Idealstarmod_i 271115
bid_grp 271418
check_mod_factored 271757
famat_strip2 271766
zidealij 275325
sprk_log_prk1 275856
nffactorback 279397
zkadd1 301834
zkmul 301838
zkchinese1 301853
zksub1 301854
zk_inv 309546
sprk_get_gnf 318214
eltmul 350799
sprk_get_gen 370362
nfpow_u 370809
init_zlog 395954
_mul 400584
famat_nfvalrem 422947
sprk_log_prk1_2 444823
sprkinit 465724
setsigns_init 480438
log_gen_pr 484280
zlog 495223
eltpow 499923
sarch_get_cyc 512104
nfarchstar 658743
sarch_get_F 730092
sarch_get_MI 730093
sarch_get_lambda 730093
get_C 730094
order_update 739847
concat_join 759081
_nf_red 778543
nfsetsigns 864014
set_sign_mod_divisor 894655
algtobasis 971862
powp 973413
nfpow 1026822
_sqr 1066103
num_positive 1163263
nfsign_arch 1268060
ZC_prdvd 1294241
vec01_to_indices 1327875
zkmultable_capZ 1328589
nf_cxlog 1359976
famat_zlog 1424664
nfsub 1432749
ideallog_i 1521361
ideallogmod 1528029
sprk_get_U2 1532098
sprk_get_L2 1552227
zkmultable_inv 1638131
log_prk1 1686134
ZC_cxlog 1764989
sarch_get_archp 1863240
ZMV_ZCV_mul 1919886
nf_to_scalar_or_polmod 2133859
famat_zlog_pr 2143570
sprk_get_expo 2143765
init_zlog_mod 2157258
ZV_snf_gcd 2321620
apply_U 2781887
nfsqrmodideal 2813263
sprk_get_pr 2820300
famat_to_nf_modideal_coprime 2927848
sprk_get_ff 3041851
sprk_is_prime 3041885
log_prk 3124449
pol_to_scalar_or_basis 3473947
nfvalrem 3666376
_nf_add 3861892
_nf_mul 4502050
sprk_get_cyc 4571024
nfsqri 4710036
low_prec 4736939
nfmuli 4814837
nfmulpowmodideal 5087486
zk_scalar_or_multable 5356160
nfval 5609240
sprk_get_prk 5630536
nfsqr 6108705
nfpowmodideal 6487640
nf_to_scalar_or_alg 7163071
nfsqri_ZC 7354151
nfmulmodideal 7849766
zk_modHNF 8139625
nfmuli_ZC 8246670
poltobasis 9640435
ZM_ZX_mul 10263588
zk_multable 11370323
nfadd 14282340
ZC_nfval 20257926
nfmul 24580284
zk_ei_mul 24689044
ZC_nfvalrem 24760034
get_tab 40337635
is_famat 54070164
nf_to_scalar_or_basis 123871865
_mulii 1091571522

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