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) Coverage Total Hit
Test: PARI/GP v2.19.0 lcov report (development 31092-e6893b0017) Lines: 88.6 % 690 611
Test Date: 2026-08-16 17:03:01 Functions: 89.9 % 247 222
Legend: Lines:     hit not hit

Function Name Sort by function name Hit count Sort by function 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
mpdiv 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 3311
stack_calloc_align 3325
divmpr 3759
absr 20510
addss 25081
subss 25081
subuu 25081
varnmin 26180
dvdis 33765
cmprs 40996
cgetr_block 44725
sdivsi 102165
stack_calloc 110648
uabsdivui_rem 128885
gc_stoi 155897
dvdui 167545
subis 171754
Fl_ellj_pre 242719
mindd 265751
truedivis 268451
cmpri 303857
mod16 308662
Mod32 311157
uutoineg 365874
Mod16 389809
cgetg_block 430408
gc_utoi 467773
dvdiu 576287
umodui 710986
cmpsr 796228
rdivss 839647
newblock 857709
real2n 1070087
addri 1113221
equalis 1149930
equalsi 1150112
gc_utoipos 1155309
real_0 1160897
divrmp 1203037
mpround 1216174
cmpss 1416201
subri 1538345
absrnz_equal2n 1580179
cmpir 1730069
stor 2140785
mpcmp 2164583
udivuu_rem 2418435
mulru 2765059
gc_int 2818778
subir 3030811
equaliu 3042347
equalui 3042347
maxdd 3218224
Mod8 3309346
Mod2 3595514
ceildivuu 3914984
negr 3961180
Fl_center 4490059
absrnz_equal1 4559222
real_1_bit 4699101
itou_or_0 5015390
rdivii 5744754
cmpis 6119306
truedivsi 6202318
subsi 6244737
umuluu_or_0 6345195
cmpsi 6351305
affsi 6484830
maxuu 6603112
mulrs 7181596
fractor 7387947
fractor_lg 7389438
mod4 7594956
umuluu_le 7618608
gc_NULL 7911382
ugcdiu 10312790
affectsign_safe 10756558
addrs 12387864
cmpiu 12998873
cmpui 12998873
rdivii_lg 13134318
rdiviiz 13173945
utor 13344612
utor_lg 13344612
affur 13344752
mpabs_shallow 13428274
smodss 13998082
mod8 15672183
divii 16300584
subrs 16573528
dvdii 17072590
modis 19638526
Fl_halve 20599840
int_bit 21035661
smodis 21176116
hammingu 24078793
evalvalser 25309350
uabsdiviu_rem 26737503
lg2prec 30278052
abscmpiu 34003361
abscmpui 34003361
mpexpo 37848352
itos_or_0 44914238
modsi 45242207
absequaliu 45906185
stack_malloc 46736607
absequalui 47655955
affui 47976646
Fl_div 49582124
Mod4 50719416
sdivsi_rem 51446821
gc_ulong 52306017
mulri 53835786
truedivii 54895258
gc_bool 55259228
stack_malloc_align 55673228
affrr_fixlg 56699573
minuu 57573983
umodi2n 58325340
absi_shallow 62067270
mod2 65903269
Fl_addmulmul_pre 74215610
evalprecp 78703556
remlll_pre 79168019
evalvalp 81660159
mpsqr 91867020
Fl_triple 100087689
addiu 104758947
fixlg 106530880
Fl_sqr 108103692
addui 108833518
mod2BIL 113535042
mpodd 118266852
icopyspec 120486817
real_1 133395841
subiu 133454046
subui 138449385
mpshift 153965695
togglesign_safe 157513703
dvmduBIL 173033419
itou 180921600
cgetr 192138271
vali 194751426
addis 195796637
gc_double 198976036
varncmp 218513388
gc_long 243067383
mpsub 274006673
utoineg 300662661
cgetineg 301585422
rtor 308821416
rtor_lg 308825770
cmpuu 318396491
addsi 320985355
shiftr 363954683
muliu 379001728
itor 451904940
mulis 470845751
shiftr_inplace 472697411
itos 477845225
addir 490346993
real_0_bit 501098325
affsr 509054568
stor_lg 509054568
Fl_double 521402444
mpadd 599864334
negi 661643613
umodsu 734376154
itor_lg 739865142
Fl_neg 741571318
stoi 776338499
mpmul 891462581
mpneg 952071240
expu 955686771
affii 1002917597
subrr 1063002688
rcopy 1101935152
cgetg_copy 1490919477
nbits2lg 1677925810
togglesign 1996625428
minss 2045094843
absi 2076466869
mpabs 2118540715
setabssign 2187205097
expi 2476637958
Fl_mul 2552524855
Fl_sqr_pre 2567768632
addrr 3032637692
remii 3105291644
adduu 3543660775
stackdummy 3747771659
Fl_mul_pre 4448457818
leafcopy 5280054274
shift_right 5947855939
Fl_add 6561727040
dvmdsBIL 7387536053
maxss 7501089961
Fl_sub 7718316593
shift_left 7847784065
subii 8009496182
Fl_addmul_pre 8205628299
uutoi 9227966079
icopy 9396008679
utoi 12433209668
addii 13116228546
evalexpo 13971537225
utoipos 14667244288
gc_const 15931309676
cgetipos 16906276112
cgetg 28040380364
cgeti 28645075553
new_chunk 98670126210
evallg 100109431296
set_avma 136063022289

Generated by: LCOV version 2.0-1