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 30401-87099e65a6) Lines: 2051 2158 95.0 %
Date: 2025-07-18 09:23:12 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 728
nfeltembed_i 728
Idealstar 938
rnfelttrace 1050
pl_convert 1213
nfissquare 1218
famat_logembed 1309
RgM_RgX_mul 1365
rnfalgtobasis 1428
multable 2037
sprk_log_gen_pr 2037
tablemulvec 2037
nfembed_i 2140
nfpolsturm 2163
nfM_mul 2948
pl_normalize 2996
vecsmall01_to_indices 2996
matbasistoalg 3213
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 7223
tablesqr 10356
ideallist 10563
ideallist0 11298
Ideallist 11333
nfispower 11707
idealchinese 12779
is_chineseinit 13267
_nf_inv 13727
ideallog 13769
nfchecksigns 14499
gpnfvalrem 15015
scalar_logembed 15820
nftrace 21305
cxlog_1 23112
nfC_multable_mul 31375
RgX_to_nfX 32875
matalgtobasis 33194
oksigns 34199
chk_ind 37121
nfdiv 40275
ei_multable 40295
nfM_nfC_mul 48529
nfsign 53912
get_nf_field 54830
rnfbasistoalg 61264
principal_units_relations 69957
ZC_sub1 71777
idmul 72020
pr_basis_perm 72240
idpow 87971
idealfactorback 94567
log_prk_init 95417
zk_embed 104184
nfchecksigns_i 105787
nflogembed 107646
log_gen_arch 111988
RgC_to_nfC 112896
nfC_nf_mul 114287
nfeltsign 126175
parse_embed 129059
checkarchp 134106
indices_to_vec01 143703
sprk_log_gen_pr2 145821
polmod_nffix 181329
polmod_nffix2 181420
nfinv 188805
principal_units 194086
idealprincipalunits_i 194095
zkC_multable_mul 194463
_nf_neg 204392
ZC_add1 204719
nfnorm 220311
famat_cxlog 223244
basistoalg 225683
ideallog_units0 239959
join_ideal 268519
zkchineseinit 270319
split_U 270373
zkVchinese1 270569
Idealstarmod 270837
Idealstarmod_i 271109
bid_grp 271387
famat_strip2 271733
check_mod_factored 271746
zidealij 275316
sprk_log_prk1 275855
nffactorback 277188
zkadd1 301791
zkmul 301796
zkchinese1 301839
zksub1 301839
zk_inv 309446
sprk_get_gnf 318207
eltmul 349219
sprk_get_gen 370352
nfpow_u 370808
_mul 395818
init_zlog 395964
famat_nfvalrem 420735
sprk_log_prk1_2 444808
sprkinit 465677
setsigns_init 480441
log_gen_pr 484272
zlog 495218
eltpow 498342
sarch_get_cyc 512131
nfarchstar 658717
sarch_get_MI 730096
sarch_get_F 730098
get_C 730099
sarch_get_lambda 730099
order_update 739842
concat_join 758704
_nf_red 778543
nfsetsigns 864016
set_sign_mod_divisor 894656
algtobasis 971815
powp 973413
nfpow 1021783
_sqr 1056031
num_positive 1163324
nfsign_arch 1265872
ZC_prdvd 1290358
vec01_to_indices 1325686
zkmultable_capZ 1326434
nf_cxlog 1355625
famat_zlog 1424663
nfsub 1432539
ideallog_i 1521361
ideallogmod 1528040
sprk_get_U2 1529861
sprk_get_L2 1549978
zkmultable_inv 1635874
log_prk1 1683883
ZC_cxlog 1761211
sarch_get_archp 1863242
ZMV_ZCV_mul 1919856
nf_to_scalar_or_polmod 2133712
famat_zlog_pr 2141350
sprk_get_expo 2141545
init_zlog_mod 2157266
ZV_snf_gcd 2321368
apply_U 2777367
nfsqrmodideal 2812217
sprk_get_pr 2815847
famat_to_nf_modideal_coprime 2925581
sprk_get_ff 3039613
sprk_is_prime 3039625
log_prk 3122209
pol_to_scalar_or_basis 3474372
nfvalrem 3662739
_nf_add 3861892
_nf_mul 4502050
sprk_get_cyc 4566418
nfsqri 4698737
low_prec 4733154
nfmuli 4801738
nfmulpowmodideal 5077152
zk_scalar_or_multable 5347880
nfval 5606149
sprk_get_prk 5626024
nfsqr 6108234
nfpowmodideal 6477098
nf_to_scalar_or_alg 7161410
nfsqri_ZC 7342495
nfmulmodideal 7838641
zk_modHNF 8127619
nfmuli_ZC 8238627
poltobasis 9630427
ZM_ZX_mul 10254939
zk_multable 11354898
nfadd 14282123
ZC_nfval 19808820
ZC_nfvalrem 24302826
nfmul 24578732
zk_ei_mul 24669540
get_tab 40298167
is_famat 54061723
nf_to_scalar_or_basis 123816962
_mulii 1091401076

Generated by: LCOV version 1.16