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 30401-87099e65a6) Lines: 605 680 89.0 %
Date: 2025-07-18 09:23:12 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
absr 140
varnmax 203
mod32 259
dvdsi 371
real_m1 455
mpcopy 708
ugcdui 2737
thuemorseu 2851
stack_calloc_align 3300
varnmin 15547
uabsdivui_rem 19089
addss 25067
subss 25067
subuu 25067
dvdis 33912
cmprs 40996
cgetr_block 43468
sdivsi 102151
stack_calloc 110058
gc_stoi 155884
dvdui 167195
subis 170995
Mod32 199255
mod16 236595
Fl_ellj_pre 242638
truedivis 266827
mindd 270153
Mod16 277481
cmpri 282261
uutoineg 355360
cgetg_block 394143
gc_utoi 468593
dvdiu 576571
mpdiv 667693
cmpsr 824660
rdivss 839647
real2n 1060988
addri 1109327
gc_utoipos 1153883
real_0 1155985
equalis 1174517
equalsi 1174699
mpround 1216540
absrnz_equal2n 1288907
umodui 1296416
cmpss 1427033
Mod2 2024379
Mod8 2070299
mpcmp 2227425
gc_int 2574220
mulru 2765822
equaliu 2995215
equalui 2995216
itou_or_0 2996105
subir 3006058
maxdd 3163134
cmpis 3633461
negr 3692432
ceildivuu 3846357
cmpsi 3865412
Fl_center 4030053
absrnz_equal1 4515436
mod4 4684337
real_1_bit 4700794
maxuu 4805069
umuluu_or_0 5516331
umuluu_le 5800680
subsi 6112167
subri 6117417
truedivsi 6202031
affsi 6382115
mulrs 7181596
fractor 7375269
gc_NULL 7975386
cmpir 9425103
cmpiu 9657937
cmpui 9657948
ugcdiu 9986680
affectsign_safe 10736433
uabsdiviu_rem 11892741
addrs 12353672
smodss 12417557
rdivii 13098744
rdiviiz 13143549
mod8 13272607
mpabs_shallow 13428463
utor 13453411
affur 13453528
divii 14056400
dvdii 16470560
subrs 16512361
Fl_halve 18031148
modis 19602559
smodis 21140226
evalvalser 21443016
int_bit 22256709
hammingu 24045241
itos_or_0 24091772
abscmpui 31912814
abscmpiu 31912838
mulri 38041282
mpexpo 38842701
absequaliu 39649897
absequalui 41398798
Mod4 44349679
modsi 45225519
affui 45473825
Fl_div 46552727
stack_malloc 46628955
truedivii 46771058
umodi2n 48921270
gc_ulong 50799533
sdivsi_rem 51429846
gc_bool 51910975
stack_malloc_align 55474075
affrr_fixlg 55888635
absi_shallow 58474773
Fl_addmulmul_pre 60024503
mod2 61131522
minuu 68273465
remlll_pre 75416180
evalprecp 78666538
evalvalp 81623698
mpsqr 90933065
Fl_sqr 94831894
Fl_triple 95571461
addiu 96728200
addui 100232584
mod2BIL 102262512
fixlg 104992357
mpodd 115070034
icopyspec 116491105
togglesign_safe 125059079
subiu 130236698
real_1 131572904
subui 134474833
mpshift 153159987
udivuu_rem 159818229
dvmduBIL 165600586
itou 176159641
shiftr 180384672
addis 181286686
gc_double 184402414
vali 187873720
varncmp 217197673
gc_long 239241123
mpsub 251422575
utoineg 266460801
cgetineg 267318653
rtor 300388732
addsi 306470885
muliu 372447744
itos 458998680
mulis 464057705
Fl_double 474271099
real_0_bit 478468118
shiftr_inplace 478612532
addir 478873067
affsr 495586295
stor 495919560
mpadd 573873593
negi 636127129
itor 712491430
Fl_neg 716240383
umodsu 724158900
stoi 745352007
expu 786693145
lg2prec 806794983
mpmul 836827775
rcopy 904173134
affii 908536243
mpneg 916537674
subrr 1000098568
cmpuu 1446793938
cgetg_copy 1464399754
cgetr 1856984335
togglesign 1919107636
minss 2006808653
absi 2060277136
mpabs 2131503730
Fl_sqr_pre 2162037124
setabssign 2197867711
nbits2lg 2380722550
Fl_mul 2414800642
expi 2451668379
addrr 2877972348
remii 3010045675
adduu 3403593839
stackdummy 3644923572
Fl_mul_pre 4081649669
Fl_add 4354853547
leafcopy 4955108928
shift_right 5665708903
dvmdsBIL 7076035796
Fl_sub 7300858211
subii 7651151262
Fl_addmul_pre 7652838576
shift_left 7745577267
uutoi 8801450713
icopy 9081821404
maxss 9639625784
utoi 11866801589
addii 12384673490
evalexpo 13252875773
utoipos 14221953416
gc_const 15502214572
cgetipos 16403048219
cgetg 24615915700
cgeti 27210403297
new_chunk 93452582207
evallg 95457133298
set_avma 129128346089

Generated by: LCOV version 1.16