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 - kernel/none - level1.h (source / functions) Hit Total Coverage
Test: PARI/GP v2.18.1 lcov report (development 30762-238ab8e6c0) Lines: 605 680 89.0 %
Date: 2026-03-22 09:27:12 Functions: 214 238 89.9 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Mod64 0
affectsign 0
divsi_rem 0
divss 0
divss_rem 0
dvdiiz 0
dvdisz 0
dvdiuz 0
dvmdis 0
dvmdsi 0
dvmdss 0
get_avma 0
mod64 0
modss 0
mpceil 0
mpfloor 0
rdivis 0
rdivsi 0
remis 0
remsi 0
remss 0
sdivss_rem 0
shiftl 0
shiftlr 0
mptrunc 49
real_m2n 126
varnmax 203
mod32 259
dvdsi 371
real_m1 455
mpcopy 665
ugcdui 2737
thuemorseu 3313
stack_calloc_align 3325
varnmin 10374
uabsdivui_rem 16693
absr 19040
addss 25067
subss 25067
subuu 25067
dvdis 33730
cmprs 40996
cgetr_block 44252
sdivsi 102147
stack_calloc 110693
gc_stoi 155903
dvdui 167195
subis 171738
Fl_ellj_pre 238021
mindd 264382
truedivis 268372
cmpri 284263
mod16 307026
Mod32 311108
uutoineg 363411
Mod16 389733
cgetg_block 426313
gc_utoi 468815
dvdiu 576279
mpdiv 665533
cmpsr 796097
rdivss 839647
real2n 1068606
addri 1106288
equalis 1151254
equalsi 1151440
gc_utoipos 1153571
real_0 1157747
mpround 1216576
umodui 1290953
absrnz_equal2n 1300304
cmpss 1392943
Mod8 2074357
mpcmp 2226387
Mod2 2370356
udivuu_rem 2418379
gc_int 2742568
mulru 2765892
subir 3004954
equaliu 3021720
equalui 3021720
itou_or_0 3147013
maxdd 3211655
cmpis 3634550
negr 3682915
cmpsi 3866548
ceildivuu 3903113
Fl_center 4486195
absrnz_equal1 4553901
real_1_bit 4714030
mod4 5140448
subri 6070087
subsi 6184851
truedivsi 6202031
umuluu_or_0 6262065
affsi 6446083
maxuu 6610761
mulrs 7181596
fractor 7379018
umuluu_le 7617880
gc_NULL 7961549
cmpir 9465520
ugcdiu 10320546
affectsign_safe 10731570
uabsdiviu_rem 11892741
addrs 12361196
smodss 12604321
cmpui 12983623
cmpiu 12983912
rdivii 13107962
rdiviiz 13149107
mpabs_shallow 13428463
divii 14060777
utor 14334978
affur 14335095
mod8 15584905
subrs 16536571
dvdii 16903999
Fl_halve 18825818
modis 19638526
int_bit 20945403
smodis 21176081
hammingu 24048669
evalvalser 24359582
abscmpiu 32442622
abscmpui 32442718
mulri 38284821
mpexpo 38875908
absequaliu 39541095
absequalui 41291094
Mod4 43862431
itos_or_0 44911277
modsi 45242076
affui 45491533
Fl_div 46814214
stack_malloc 46928368
umodi2n 49007026
sdivsi_rem 51446402
gc_ulong 52103361
truedivii 54687887
stack_malloc_align 55533946
affrr_fixlg 56110407
gc_bool 56168564
absi_shallow 56494038
mod2 61681736
Fl_addmulmul_pre 64745728
minuu 69610506
remlll_pre 76396433
evalprecp 78676099
evalvalp 81632578
mpsqr 91047319
Fl_triple 91319076
addiu 96944057
Fl_sqr 99540873
addui 101019204
fixlg 105721208
mod2BIL 106542452
mpodd 115184800
icopyspec 117797814
subiu 133397703
real_1 133628581
subui 138373689
mpshift 153577907
togglesign_safe 157253572
dvmduBIL 158796764
itou 179068029
gc_double 184200524
shiftr 187933237
vali 190836095
addis 194729712
varncmp 198758919
gc_long 242623639
mpsub 251581025
utoineg 297815794
cgetineg 298674284
rtor 303775163
addsi 319916321
muliu 376443274
Fl_double 453551175
mulis 467117765
shiftr_inplace 467537950
itos 476246819
addir 483059718
real_0_bit 484898380
affsr 501355422
stor 501716835
mpadd 575177576
negi 640861102
itor 717161282
Fl_neg 723716552
umodsu 734226729
expu 796798358
stoi 797120774
lg2prec 816205172
mpmul 839446883
rcopy 916870185
mpneg 926538917
affii 965372249
subrr 1006447373
cgetg_copy 1482405553
cmpuu 1490471496
cgetr 1876455634
togglesign 1953864025
minss 2026065023
absi 2067099288
mpabs 2138085851
setabssign 2205157558
Fl_sqr_pre 2349244221
nbits2lg 2405112347
expi 2423137247
Fl_mul 2440002270
addrr 2934944134
remii 3059841207
adduu 3447921415
stackdummy 3658740747
Fl_mul_pre 4238664811
leafcopy 5003991994
shift_right 5737519321
Fl_add 6149152471
dvmdsBIL 7153769251
Fl_sub 7418655345
Fl_addmul_pre 7667123730
subii 7718923868
shift_left 7800270207
uutoi 8946679978
icopy 9066260944
maxss 9712034227
utoi 12063036196
addii 12547675278
evalexpo 13406314959
utoipos 14279132879
gc_const 15648695281
cgetipos 16464191610
cgetg 25462129642
cgeti 27488438439
new_chunk 94946860142
evallg 96696998479
set_avma 131171750162

Generated by: LCOV version 1.16