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: 2026-03-23 09:27:26 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 44240
sdivsi 102151
stack_calloc 110651
gc_stoi 155898
dvdui 167195
subis 171740
Fl_ellj_pre 238055
mindd 264381
truedivis 268380
cmpri 284263
mod16 307027
Mod32 311108
uutoineg 363651
Mod16 389733
cgetg_block 426267
gc_utoi 468812
dvdiu 576278
mpdiv 665529
cmpsr 796085
rdivss 839647
real2n 1068596
addri 1106263
equalis 1151128
equalsi 1151309
gc_utoipos 1153624
real_0 1157691
mpround 1216585
umodui 1290953
absrnz_equal2n 1300260
cmpss 1392943
Mod8 2074055
mpcmp 2226356
Mod2 2370088
udivuu_rem 2418379
gc_int 2742571
mulru 2765892
subir 3004955
equalui 3021710
equaliu 3021711
itou_or_0 3147033
maxdd 3211579
cmpis 3634502
negr 3682973
cmpsi 3866501
ceildivuu 3903022
Fl_center 4486193
absrnz_equal1 4553843
real_1_bit 4714073
mod4 5140968
subri 6089881
subsi 6184716
truedivsi 6202031
umuluu_or_0 6216347
affsi 6446211
maxuu 6611001
mulrs 7181596
fractor 7379015
umuluu_le 7617880
gc_NULL 7964651
cmpir 9442724
ugcdiu 10320897
affectsign_safe 10731262
uabsdiviu_rem 11892741
addrs 12360974
smodss 12659595
cmpui 12984979
cmpiu 12985150
rdivii 13109090
rdiviiz 13149080
mpabs_shallow 13428463
divii 14062165
utor 14334952
affur 14335062
mod8 15586189
subrs 16536279
dvdii 16899980
Fl_halve 18827217
modis 19638526
int_bit 20971876
smodis 21176081
hammingu 24048786
evalvalser 24359582
abscmpiu 32197742
abscmpui 32197775
mulri 38284836
mpexpo 38876884
absequaliu 39540380
absequalui 41290362
Mod4 43860119
itos_or_0 44911827
modsi 45242185
affui 45491533
Fl_div 46821866
stack_malloc 46928512
umodi2n 49003917
sdivsi_rem 51446514
gc_ulong 52089062
truedivii 54749140
stack_malloc_align 55534073
affrr_fixlg 56110830
gc_bool 56173894
absi_shallow 56246714
mod2 61682245
Fl_addmulmul_pre 64756150
minuu 69656527
remlll_pre 76052957
evalprecp 78675157
evalvalp 81631762
mpsqr 91031675
Fl_triple 91280721
addiu 96444983
Fl_sqr 99550700
addui 100520093
fixlg 105721217
mod2BIL 106543469
mpodd 115186454
icopyspec 117798197
subiu 133398296
real_1 133640919
subui 138373213
mpshift 153577836
togglesign_safe 157314065
dvmduBIL 161422095
itou 179067486
gc_double 184171223
shiftr 187938703
vali 190837253
addis 194731493
varncmp 198759301
gc_long 242632172
mpsub 251561552
utoineg 297815454
cgetineg 298675666
rtor 303775057
addsi 319918442
muliu 376626978
Fl_double 453357937
mulis 467126614
shiftr_inplace 467525705
itos 476335871
real_0_bit 482303557
addir 483068130
affsr 501356946
stor 501724407
mpadd 572859734
negi 640942359
itor 717113077
Fl_neg 723599928
umodsu 734165417
expu 796793082
stoi 797205364
lg2prec 816194827
mpmul 837089405
rcopy 916878702
mpneg 926615886
affii 965336435
subrr 1006379559
cgetg_copy 1482402388
cmpuu 1490455667
cgetr 1876385945
togglesign 1953944163
minss 2026150274
absi 2067072878
mpabs 2138016890
setabssign 2205089385
Fl_sqr_pre 2350073993
nbits2lg 2403126720
expi 2423236462
Fl_mul 2438612580
addrr 2932455182
remii 3060785735
adduu 3447348288
stackdummy 3658052888
Fl_mul_pre 4242077071
leafcopy 5004832251
shift_right 5737297538
Fl_add 6141642370
dvmdsBIL 7153578435
Fl_sub 7417228912
Fl_addmul_pre 7679587245
subii 7719702745
shift_left 7800145764
uutoi 8945006866
icopy 9066846374
maxss 9710839549
utoi 12061219479
addii 12548737399
evalexpo 13402623471
utoipos 14277231713
gc_const 15649163971
cgetipos 16462348610
cgetg 25450763890
cgeti 27487851514
new_chunk 94930591267
evallg 96681828229
set_avma 131148046727

Generated by: LCOV version 1.16