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 30631-5f55634266) Lines: 2052 2158 95.1 %
Date: 2026-01-24 09:23:06 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 11705
idealchinese 12779
is_chineseinit 13274
_nf_inv 13727
ideallog 13769
nfchecksigns 14506
gpnfvalrem 15015
scalar_logembed 15820
nftrace 21305
cxlog_1 23201
nfC_multable_mul 31375
RgX_to_nfX 32712
matalgtobasis 33213
oksigns 34201
chk_ind 37121
nfdiv 40274
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 72246
idpow 87971
idealfactorback 94616
log_prk_init 95416
zk_embed 104186
nfchecksigns_i 105794
nflogembed 107645
log_gen_arch 111986
RgC_to_nfC 112896
nfC_nf_mul 114287
nfeltsign 126175
parse_embed 129066
checkarchp 134106
indices_to_vec01 143702
sprk_log_gen_pr2 145837
polmod_nffix 181329
polmod_nffix2 181420
nfinv 188805
idealprincipalunits_i 194095
principal_units 194101
zkC_multable_mul 194470
_nf_neg 204392
ZC_add1 204728
nfnorm 216312
famat_cxlog 225453
basistoalg 226047
ideallog_units0 239962
join_ideal 268555
zkchineseinit 270322
split_U 270382
zkVchinese1 270577
Idealstarmod 270833
Idealstarmod_i 271104
bid_grp 271415
check_mod_factored 271750
famat_strip2 271757
zidealij 275330
sprk_log_prk1 275852
nffactorback 279390
zkadd1 301831
zkmul 301832
zkchinese1 301859
zksub1 301860
zk_inv 309575
sprk_get_gnf 318214
eltmul 351019
sprk_get_gen 370360
nfpow_u 370814
init_zlog 395960
_mul 400919
famat_nfvalrem 422947
sprk_log_prk1_2 444819
sprkinit 465700
setsigns_init 480440
log_gen_pr 484287
zlog 495236
eltpow 500140
sarch_get_cyc 512149
nfarchstar 658744
get_C 730093
sarch_get_lambda 730093
sarch_get_F 730095
sarch_get_MI 730095
order_update 739849
concat_join 759028
_nf_red 778543
nfsetsigns 864008
set_sign_mod_divisor 894655
algtobasis 971861
powp 973413
nfpow 1027249
_sqr 1066909
num_positive 1163315
nfsign_arch 1268112
ZC_prdvd 1294289
vec01_to_indices 1327927
zkmultable_capZ 1328584
nf_cxlog 1359977
famat_zlog 1424662
nfsub 1432749
ideallog_i 1521356
ideallogmod 1528039
sprk_get_U2 1532094
sprk_get_L2 1552224
zkmultable_inv 1638153
log_prk1 1686135
ZC_cxlog 1764984
sarch_get_archp 1863227
ZMV_ZCV_mul 1919887
nf_to_scalar_or_polmod 2133859
famat_zlog_pr 2143561
sprk_get_expo 2143757
init_zlog_mod 2157265
ZV_snf_gcd 2321642
apply_U 2781865
nfsqrmodideal 2813246
sprk_get_pr 2820285
famat_to_nf_modideal_coprime 2927839
sprk_get_ff 3041878
sprk_is_prime 3041890
log_prk 3124472
pol_to_scalar_or_basis 3473959
nfvalrem 3666375
_nf_add 3861892
_nf_mul 4502050
sprk_get_cyc 4571015
nfsqri 4710887
low_prec 4736936
nfmuli 4815334
nfmulpowmodideal 5087602
zk_scalar_or_multable 5356448
nfval 5609256
sprk_get_prk 5630542
nfsqr 6108739
nfpowmodideal 6487763
nf_to_scalar_or_alg 7163190
nfsqri_ZC 7355032
nfmulmodideal 7849945
zk_modHNF 8139783
nfmuli_ZC 8247303
poltobasis 9640408
ZM_ZX_mul 10263796
zk_multable 11370702
nfadd 14282340
ZC_nfval 20258296
nfmul 24580502
zk_ei_mul 24690800
ZC_nfvalrem 24760484
get_tab 40340973
is_famat 54071015
nf_to_scalar_or_basis 123872890
_mulii 1091626277

Generated by: LCOV version 1.16