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 30759-17b423fb9b) Lines: 605 680 89.0 %
Date: 2026-03-20 09:26:27 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 44231
sdivsi 102147
stack_calloc 110671
gc_stoi 155896
dvdui 167195
subis 171738
Fl_ellj_pre 238048
mindd 264378
truedivis 268385
cmpri 284263
mod16 307032
Mod32 311108
uutoineg 363756
Mod16 389733
cgetg_block 426322
gc_utoi 468719
dvdiu 576276
mpdiv 665533
cmpsr 796101
rdivss 839647
real2n 1068598
addri 1106236
equalis 1151344
equalsi 1151525
gc_utoipos 1153566
real_0 1157747
mpround 1216580
umodui 1290953
absrnz_equal2n 1300299
cmpss 1392943
Mod8 2074338
mpcmp 2226369
Mod2 2370237
udivuu_rem 2418378
gc_int 2742592
mulru 2765892
subir 3004963
equaliu 3021721
equalui 3021722
itou_or_0 3147018
maxdd 3211467
cmpis 3634502
negr 3682807
cmpsi 3866500
ceildivuu 3906109
Fl_center 4486174
absrnz_equal1 4553077
real_1_bit 4714022
mod4 5141043
subri 6095576
subsi 6184661
truedivsi 6202031
umuluu_or_0 6237175
affsi 6446253
maxuu 6610835
mulrs 7181596
fractor 7379030
umuluu_le 7617880
gc_NULL 7961978
cmpir 9447452
ugcdiu 10320275
affectsign_safe 10731106
uabsdiviu_rem 11892741
addrs 12360734
smodss 12627461
cmpui 12983237
cmpiu 12983389
rdivii 13106674
rdiviiz 13149699
mpabs_shallow 13428463
divii 14063617
utor 14334988
affur 14335089
mod8 15584687
subrs 16536463
dvdii 16887938
Fl_halve 18826275
modis 19638526
int_bit 20953292
smodis 21176081
hammingu 24048675
evalvalser 24359582
abscmpui 32701630
abscmpiu 32701705
mulri 38284674
mpexpo 38878384
absequaliu 39540893
absequalui 41290874
Mod4 43862118
itos_or_0 44911795
modsi 45242086
affui 45491533
Fl_div 46835280
stack_malloc 46928918
umodi2n 49006914
sdivsi_rem 51446415
gc_ulong 52102012
truedivii 54734683
stack_malloc_align 55538550
affrr_fixlg 56107404
gc_bool 56156925
absi_shallow 56750820
mod2 61681596
Fl_addmulmul_pre 64727967
minuu 69729178
remlll_pre 76079944
evalprecp 78675740
evalvalp 81632243
mpsqr 91042537
Fl_triple 91357530
addiu 97451584
Fl_sqr 99553479
addui 101526773
fixlg 105717610
mod2BIL 106540806
mpodd 115186116
icopyspec 117797996
subiu 133395867
real_1 133638876
subui 138371906
mpshift 153560153
togglesign_safe 157290990
dvmduBIL 161414323
itou 179067555
gc_double 184196501
shiftr 187863525
vali 190836965
addis 194713862
varncmp 198758932
gc_long 242631778
mpsub 251607357
utoineg 297817571
cgetineg 298677245
rtor 303755107
addsi 319900338
muliu 376482521
Fl_double 453334575
mulis 467122036
shiftr_inplace 467383239
itos 476314731
real_0_bit 482588754
addir 483078785
affsr 501329624
stor 501715117
mpadd 573168697
negi 640956053
itor 717236507
Fl_neg 723520621
umodsu 734204704
expu 796739110
stoi 797363915
lg2prec 816326215
mpmul 837447889
rcopy 916781426
mpneg 926562395
affii 965409018
subrr 1006397814
cgetg_copy 1482387930
cmpuu 1490474871
cgetr 1876368570
togglesign 1953635689
minss 2025976781
absi 2067036495
mpabs 2137987118
setabssign 2205036585
Fl_sqr_pre 2350013574
nbits2lg 2403264871
expi 2423261080
Fl_mul 2439747511
addrr 2932249302
remii 3060162164
adduu 3447057473
stackdummy 3660891962
Fl_mul_pre 4240360979
leafcopy 5004614597
shift_right 5737059400
Fl_add 6140667087
dvmdsBIL 7152869103
Fl_sub 7422703706
Fl_addmul_pre 7678598363
subii 7718818161
shift_left 7798689229
uutoi 8942396367
icopy 9067008255
maxss 9717735743
utoi 12058152744
addii 12548190277
evalexpo 13403059173
utoipos 14275742235
gc_const 15649150984
cgetipos 16453879033
cgetg 25457909003
cgeti 27479412432
new_chunk 94920358432
evallg 96701574023
set_avma 131158276734

Generated by: LCOV version 1.16