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 - base2.c (source / functions) Hit Total Coverage
Test: PARI/GP v2.18.1 lcov report (development 30401-87099e65a6) Lines: 2228 2369 94.0 %
Date: 2025-07-18 09:23:12 Functions: 174 178 97.8 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
FqV_to_nfV 0
ZpX_primedec 0
errprime 0
rnfsimplifybasis 0
nfmodprinit 7
rnfhnfbasis 7
rnfisfree 7
rnfdet 14
FqX_non_root 21
rnfbasis 21
rnfsteinitz 28
gen_if_principal 35
poldiscfactors 42
RgV_nffix 49
get_module 63
nfidealdet1 63
nfmodprinit0 77
nfmodprlift 77
rnfdiscf 77
compositum 91
rnfdedekind 91
Z_fac 183
QXQV_to_FpM 203
checkmodpr 210
nfreducemodpr 210
get_coprimes 294
nfmodpr 350
idealprimedec_degrees 371
fix_PE 498
nfcompositum_lambda 511
ZpX_monic_factor 546
rnfdisc_factored 868
expo_is_squarefree 889
ZpX_round4 896
nfbasis 938
ZpX_monic_factor_squarefree 1155
rnfjoinmodules 1329
triv_order 1506
RgX_to_algX 1666
nfX_to_monic 1680
nfM_to_FqM 1872
rnfjoinmodules_i 2111
p_is_prime 2212
update_fact 2439
compositum2 2877
FqM_to_nfM 2934
rnfallbase 3164
get_d 3213
minval 3776
rnfmaxord 4067
ffdegree 4109
nfX_sub 4123
rnfdedekind_i 4151
_msqr 4158
fill 4222
fact_from_factors 4242
pr_factorback 4263
pr_factorback_scal 4263
modpr_genFq 4508
FpX_radical 5692
rnfeltid_powmod 5834
idealprimedec_galois 6552
nfXisintegral 7301
ideal_is1 8049
nfpolisintegral 8225
nfpolisintegral_i 8225
nfX_to_FqX 9373
FqX_to_nfX 10184
polcompositum0 12975
nfcompositum 13528
safe_Z_pvalrem 15050
_sqr 16190
nfXQ_mul 16523
nfX_rem 16523
nfX_mul 20646
nf_pV_to_prVV 26614
compositum_fix 26830
nfisintegral 31955
zk_to_Fq_init 34097
nf_pV_to_prV 38605
indexpartial 44096
testc2 48561
redelt 48562
ZX_rescale_inv 59981
redelt_i 64390
nfdisc 66463
testb2 67236
ZpX_sylvester_echelon 74049
lift_to_zk 93673
diag_denom 100522
nfmaxord 102159
pol_min 118958
get_modpr 137753
get_powers 161584
nfV_to_FqV 167410
zkmodprinit 175376
ZpX_disc_val 184650
init_norm 216865
get_LV 216900
primedec_end 216901
pradical 216902
fnz 223439
loop 238757
Zlx_gcd 246305
Decomp 254824
ZpX_gcd 254825
update_phi 276610
compmod 287323
uniformizer 300033
get_gamma 303517
Fp_basis 312161
RgX_nffix 328268
ei_msqr_mod 352616
get_g 356606
progress 394609
get_pr 416643
ZpM_hnfmodid 454201
maxord_i 455093
split_char 480640
idealprimedec_limit_norm 505220
is_uniformizer 506028
get_norm 506031
QpXV_denom 509043
get_partial_order_as_pols 509051
getprime 563769
dbasis 621084
vstar 624488
get_nu 641451
nfdiscfactors 644774
diag_denomval 685882
newtoncharpoly 699568
manage_cache 706392
mycaract 706441
newtonsums 706448
maxord_disc 711219
mul_intersect 712305
setPE 746858
pow_ei_mod_p 748514
poldiscfactors_i 788728
set_disc 813348
nfmaxord_check_args 813385
get_maxord 813387
sqr_mod 830690
ZpX_reduced_resultant_fast 932253
get_prid 939491
Rg_nffix 961876
ZpX_reduced_resultant 993447
pr_anti_uniformizer 1005972
hnf_Znproj 1084204
modprinit 1212698
idealprimedec 1299784
zx_z_div 1533221
ZX_Dedekind 1538938
maxord 1538939
Flx_radical 1601594
Flx_checkdeflate 1601605
QpX_remove_denom 1743738
QpX_denom 2751140
idealprimedec_limit_f 2818653
primedec_aux 2825562
Fq_to_nf 3087274
update_den 3571835
ZpX_resultant_val 3577364
ZpX_resultant_val_i 3623529
idealprimedec_kummer 3930704
nf_to_Fq_init 4047141
modpr_TAU 4048440
to_ff_init 4081260
mk_pr 4391279
init_m 4509546
Zlx_sylvester_echelon 4797802
ok_modpr 4913894
zk_to_Fq 6521328
nf_to_Fq 12922389
gc_nf_to_Fq 14188739
nf_to_Fq_i 14189255
checkprid 18054846
checkprid_i 23289564

Generated by: LCOV version 1.16