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: 2026-09-01 17:01:49 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 44719
sdivsi 102165
stack_calloc 110650
uabsdivui_rem 128885
gc_stoi 155903
dvdui 167545
subis 171754
Fl_ellj_pre 242723
mindd 265750
truedivis 268439
cmpri 303857
mod16 308662
Mod32 311157
uutoineg 365874
Mod16 389809
cgetg_block 430408
gc_utoi 467829
dvdiu 576287
umodui 710986
cmpsr 796228
rdivss 839647
newblock 857703
real2n 1070080
addri 1113225
equalis 1149800
equalsi 1149982
gc_utoipos 1155333
real_0 1160898
divrmp 1203052
mpround 1216173
cmpss 1416201
subri 1538301
absrnz_equal2n 1580215
cmpir 1730051
stor 2140785
mpcmp 2164567
udivuu_rem 2418435
mulru 2765059
gc_int 2818779
subir 3030794
equaliu 3042346
equalui 3042346
maxdd 3218018
Mod8 3309346
Mod2 3595514
ceildivuu 3916582
negr 3961176
Fl_center 4490059
absrnz_equal1 4559175
real_1_bit 4698998
itou_or_0 5015388
rdivii 5744738
cmpis 6119267
truedivsi 6202318
subsi 6244746
umuluu_or_0 6324043
cmpsi 6351266
affsi 6484728
maxuu 6603106
mulrs 7181596
fractor 7387947
fractor_lg 7389438
mod4 7594956
umuluu_le 7618608
gc_NULL 7914297
ugcdiu 10312793
affectsign_safe 10755266
addrs 12387656
cmpiu 13001026
cmpui 13001026
rdivii_lg 13134302
rdiviiz 13173929
utor 13344604
utor_lg 13344604
affur 13344744
mpabs_shallow 13428274
smodss 13998082
mod8 15674373
divii 16306782
subrs 16573286
dvdii 17072405
modis 19638526
Fl_halve 20600691
int_bit 21015994
smodis 21176116
hammingu 24078831
evalvalser 25309350
uabsdiviu_rem 26737503
lg2prec 30274213
abscmpiu 33117671
abscmpui 33117671
mpexpo 37845319
itos_or_0 44914274
modsi 45242159
absequaliu 45906181
stack_malloc 46736533
absequalui 47655951
affui 47976646
Fl_div 49581695
Mod4 50721058
sdivsi_rem 51446773
gc_ulong 52316984
mulri 53835789
truedivii 54921820
gc_bool 55260361
stack_malloc_align 55671727
affrr_fixlg 56699305
minuu 57494926
umodi2n 58326982
absi_shallow 61180792
mod2 65902965
Fl_addmulmul_pre 74216394
evalprecp 78703552
remlll_pre 79167991
evalvalp 81660155
mpsqr 91850531
Fl_triple 100150621
addiu 102992298
fixlg 106530684
addui 107066868
Fl_sqr 108105254
mod2BIL 113536980
mpodd 118265865
icopyspec 120487059
real_1 133392103
subiu 133455628
subui 138450965
mpshift 153958471
togglesign_safe 157523298
dvmduBIL 173175991
itou 180921462
cgetr 192135251
vali 194758901
addis 195799959
gc_double 199001280
varncmp 218513640
gc_long 243067861
mpsub 274010787
utoineg 300668895
cgetineg 301591656
rtor 308818318
rtor_lg 308822672
cmpuu 318396141
addsi 320988677
shiftr 363953257
muliu 378902060
itor 451921101
mulis 470863430
shiftr_inplace 472694675
itos 477879539
addir 490369115
real_0_bit 498958032
affsr 509052718
stor_lg 509052718
Fl_double 521526431
mpadd 597987169
negi 661640740
umodsu 734420947
itor_lg 739886256
Fl_neg 741578462
stoi 776182815
mpmul 889578638
mpneg 952065847
expu 955682812
affii 1002933783
subrr 1063007355
rcopy 1101964663
cgetg_copy 1490912931
nbits2lg 1676232413
togglesign 1996661167
minss 2045048964
absi 2076487283
mpabs 2118559583
setabssign 2187224581
expi 2476632910
Fl_mul 2550693588
Fl_sqr_pre 2568382463
addrr 3030855419
remii 3104307210
adduu 3542058715
stackdummy 3742552619
Fl_mul_pre 4450313323
leafcopy 5280172978
shift_right 5948009044
Fl_add 6562245759
dvmdsBIL 7387496692
maxss 7482996961
Fl_sub 7700368687
shift_left 7847939530
subii 8008914614
Fl_addmul_pre 8207328609
uutoi 9226680527
icopy 9395980166
utoi 12430293882
addii 13116303357
evalexpo 13969694772
utoipos 14664367781
gc_const 15930465996
cgetipos 16903401313
cgetg 28025783513
cgeti 28638697757
new_chunk 98648658941
evallg 100080402792
set_avma 136034927960

Generated by: LCOV version 2.0-1