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 30764-6b81f1f3fa) Lines: 605 680 89.0 %
Date: 2026-03-25 09:26:52 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 44294
sdivsi 102148
stack_calloc 110673
gc_stoi 155900
dvdui 167195
subis 171737
Fl_ellj_pre 238047
mindd 264380
truedivis 268377
cmpri 284263
mod16 307026
Mod32 311108
uutoineg 364445
Mod16 389733
cgetg_block 426313
gc_utoi 468801
dvdiu 576275
mpdiv 665536
cmpsr 796096
rdivss 839647
real2n 1068602
addri 1106234
equalis 1151299
equalsi 1151481
gc_utoipos 1153590
real_0 1157716
mpround 1216582
umodui 1290953
absrnz_equal2n 1300293
cmpss 1392943
Mod8 2074319
mpcmp 2226388
Mod2 2370361
udivuu_rem 2418379
gc_int 2742581
mulru 2765892
subir 3004961
equaliu 3021715
equalui 3021716
itou_or_0 3147015
maxdd 3211738
cmpis 3634519
negr 3682879
cmpsi 3866522
ceildivuu 3904175
Fl_center 4486195
absrnz_equal1 4553948
real_1_bit 4714066
mod4 5141221
subri 6104094
subsi 6184891
truedivsi 6202031
umuluu_or_0 6253930
affsi 6446157
maxuu 6610518
mulrs 7181596
fractor 7379031
umuluu_le 7617880
gc_NULL 7962478
cmpir 9445128
ugcdiu 10320873
affectsign_safe 10731317
uabsdiviu_rem 11892741
addrs 12361270
smodss 12633744
cmpui 12985878
cmpiu 12986095
rdivii 13108181
rdiviiz 13149455
mpabs_shallow 13428463
divii 14068140
utor 14335063
affur 14335174
mod8 15589189
subrs 16536628
dvdii 16891398
Fl_halve 18829566
modis 19638526
int_bit 20943054
smodis 21176081
hammingu 24048631
evalvalser 24359582
abscmpiu 32283853
abscmpui 32283901
mulri 38284833
mpexpo 38882001
absequaliu 39540863
absequalui 41290857
Mod4 43866207
itos_or_0 44911253
modsi 45242072
affui 45491533
Fl_div 46824948
stack_malloc 46929932
umodi2n 49010436
sdivsi_rem 51446410
gc_ulong 52095805
truedivii 54771459
stack_malloc_align 55541410
affrr_fixlg 56109907
gc_bool 56164231
absi_shallow 56331689
mod2 61682937
Fl_addmulmul_pre 64736912
minuu 69596155
remlll_pre 76022012
evalprecp 78674190
evalvalp 81630868
mpsqr 91049615
Fl_triple 91305635
addiu 96620945
Fl_sqr 99562623
addui 100695979
fixlg 105720849
mod2BIL 106546799
mpodd 115185841
icopyspec 117798119
subiu 133397311
real_1 133652280
subui 138373411
mpshift 153578095
togglesign_safe 157364706
dvmduBIL 161254940
itou 179067730
gc_double 184201889
shiftr 187938962
vali 190836087
addis 194732228
varncmp 198759241
gc_long 242631739
mpsub 251659428
utoineg 297836461
cgetineg 298697862
rtor 303771348
addsi 319918158
muliu 376424236
Fl_double 453642559
mulis 467133266
shiftr_inplace 467408847
itos 476363296
real_0_bit 482319152
addir 483086489
affsr 501320819
stor 501698413
mpadd 572969113
negi 640911305
itor 717200922
Fl_neg 723760843
umodsu 734191201
expu 796778250
stoi 797085446
lg2prec 816182648
mpmul 837302627
rcopy 916911889
mpneg 926593568
affii 965395339
subrr 1006479150
cgetg_copy 1482413861
cmpuu 1490480274
cgetr 1876481083
togglesign 1954017520
minss 2026232024
absi 2067096919
mpabs 2138056327
setabssign 2205122198
Fl_sqr_pre 2350604509
nbits2lg 2403230253
expi 2423307672
Fl_mul 2439346340
addrr 2932629123
remii 3059634087
adduu 3447628144
stackdummy 3658739263
Fl_mul_pre 4243715411
leafcopy 5004861003
shift_right 5737530028
Fl_add 6148288468
dvmdsBIL 7153513158
Fl_sub 7416971700
Fl_addmul_pre 7683787738
subii 7718763566
shift_left 7800048554
uutoi 8945533845
icopy 9066591682
maxss 9710111237
utoi 12061501635
addii 12547731318
evalexpo 13403198944
utoipos 14277733100
gc_const 15648180848
cgetipos 16462300313
cgetg 25454054419
cgeti 27490793769
new_chunk 94941507505
evallg 96689896201
set_avma 131162404230

Generated by: LCOV version 1.16