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 30842-de08e65e1b) Lines: 2050 2158 95.0 % Date: 2026-04-29 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
pl_convert	1220
famat_logembed	1309
RgM_RgX_mul	1365
rnfalgtobasis	1428
sprk_log_gen_pr	2037
multable	2058
tablemulvec	2058
nfembed_i	2147
nfissquare	2163
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	11711
idealchinese	12779
is_chineseinit	13274
_nf_inv	13727
ideallog	13769
nfchecksigns	14506
gpnfvalrem	15015
scalar_logembed	15820
nftrace	22502
cxlog_1	23172
nfC_multable_mul	31375
RgX_to_nfX	33306
matalgtobasis	33664
oksigns	34203
chk_ind	37121
nfdiv	40285
ei_multable	40295
nfM_nfC_mul	48529
nfsign	53913
get_nf_field	54830
rnfbasistoalg	61264
principal_units_relations	69956
ZC_sub1	71777
idmul	72020
pr_basis_perm	72246
idpow	87971
idealfactorback	94612
log_prk_init	95416
zk_embed	104205
nfchecksigns_i	105795
nflogembed	107646
log_gen_arch	111985
RgC_to_nfC	112896
nfC_nf_mul	114287
nfeltsign	126175
parse_embed	129066
checkarchp	134109
indices_to_vec01	143705
sprk_log_gen_pr2	145834
polmod_nffix	181329
polmod_nffix2	181420
nfinv	188896
idealprincipalunits_i	194092
principal_units	194094
zkC_multable_mul	194470
_nf_neg	204392
ZC_add1	204723
nfnorm	216207
famat_cxlog	225453
basistoalg	226047
ideallog_units0	239959
join_ideal	268474
zkchineseinit	270317
split_U	270380
zkVchinese1	270570
Idealstarmod	270840
Idealstarmod_i	271112
bid_grp	271391
famat_strip2	271741
check_mod_factored	271756
zidealij	275324
sprk_log_prk1	275855
nffactorback	279401
zkadd1	301801
zkmul	301812
zkchinese1	301852
zksub1	301854
zk_inv	309675
sprk_get_gnf	318214
eltmul	350601
sprk_get_gen	370357
nfpow_u	370809
init_zlog	395952
_mul	400383
famat_nfvalrem	422947
sprk_log_prk1_2	444826
sprkinit	465686
setsigns_init	480519
log_gen_pr	484274
zlog	495223
eltpow	499732
sarch_get_cyc	512131
nfarchstar	658803
get_C	730211
sarch_get_F	730211
sarch_get_MI	730211
sarch_get_lambda	730211
order_update	739847
concat_join	757994
_nf_red	778543
nfsetsigns	864109
set_sign_mod_divisor	894754
powp	973413
algtobasis	975058
nfpow	1026569
_sqr	1065857
num_positive	1163387
nfsign_arch	1268029
ZC_prdvd	1294506
vec01_to_indices	1327845
zkmultable_capZ	1328939
nf_cxlog	1359974
famat_zlog	1424663
nfsub	1432749
ideallog_i	1521361
ideallogmod	1528039
sprk_get_U2	1532087
sprk_get_L2	1552225
zkmultable_inv	1638606
log_prk1	1686134
ZC_cxlog	1765014
sarch_get_archp	1863428
ZMV_ZCV_mul	1919869
nf_to_scalar_or_polmod	2134874
famat_zlog_pr	2143561
sprk_get_expo	2143758
init_zlog_mod	2157259
ZV_snf_gcd	2321575
apply_U	2781855
nfsqrmodideal	2813211
sprk_get_pr	2820289
famat_to_nf_modideal_coprime	2927831
sprk_get_ff	3041835
sprk_is_prime	3041862
log_prk	3124421
pol_to_scalar_or_basis	3474280
nfvalrem	3666376
_nf_add	3861892
_nf_mul	4502050
sprk_get_cyc	4570718
nfsqri	4709872
low_prec	4736969
nfmuli	4816868
nfmulpowmodideal	5087513
zk_scalar_or_multable	5356447
nfval	5614569
sprk_get_prk	5630485
nfsqr	6108752
nfpowmodideal	6487451
nf_to_scalar_or_alg	7167266
nfsqri_ZC	7354025
nfmulmodideal	7849823
zk_modHNF	8139717
nfmuli_ZC	8248529
poltobasis	9647844
ZM_ZX_mul	10271404
zk_multable	11373494
nfadd	14282388
ZC_nfval	20262646
nfmul	24580849
zk_ei_mul	24699681
ZC_nfvalrem	24764778
get_tab	40349822
is_famat	54071154
nf_to_scalar_or_basis	123881840
_mulii	1091617255

Generated by: LCOV version 1.16