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: 2026-08-08 17:03:11 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 44734
sdivsi 102165
stack_calloc 110628
uabsdivui_rem 128885
gc_stoi 155903
dvdui 167545
subis 171754
Fl_ellj_pre 242718
mindd 265750
truedivis 268463
cmpri 303856
mod16 308664
Mod32 311157
uutoineg 365874
Mod16 389809
cgetg_block 430408
gc_utoi 467867
dvdiu 576287
umodui 710986
cmpsr 796228
rdivss 839647
newblock 857718
real2n 1070093
addri 1113223
equalis 1149887
equalsi 1150069
gc_utoipos 1155340
real_0 1160896
divrmp 1203034
mpround 1216174
cmpss 1416201
subri 1538374
absrnz_equal2n 1580190
cmpir 1730073
stor 2140786
mpcmp 2164595
udivuu_rem 2418435
mulru 2765059
gc_int 2818778
subir 3030764
equaliu 3042341
equalui 3042341
maxdd 3218023
Mod8 3309346
Mod2 3595514
ceildivuu 3915054
negr 3961178
Fl_center 4490059
absrnz_equal1 4559262
real_1_bit 4699138
itou_or_0 5015387
rdivii 5744781
cmpis 6119307
truedivsi 6202318
subsi 6244709
umuluu_or_0 6347270
cmpsi 6351306
affsi 6484814
maxuu 6603110
mulrs 7181596
fractor 7387947
fractor_lg 7389438
mod4 7594957
umuluu_le 7618608
gc_NULL 7912156
ugcdiu 10312784
affectsign_safe 10754910
addrs 12387877
cmpiu 13001789
cmpui 13001789
rdivii_lg 13134345
rdiviiz 13173972
utor 13344637
utor_lg 13344637
affur 13344777
mpabs_shallow 13428274
smodss 13998082
mod8 15675820
divii 16308694
subrs 16573551
dvdii 17072484
modis 19638526
Fl_halve 20601783
int_bit 21045078
smodis 21176116
hammingu 24078779
evalvalser 25309350
uabsdiviu_rem 26737503
lg2prec 30276413
abscmpiu 33250179
abscmpui 33250179
mpexpo 37852532
itos_or_0 44914238
modsi 45242187
absequaliu 45906177
stack_malloc 46737064
absequalui 47655947
affui 47976646
Fl_div 49581155
Mod4 50722482
sdivsi_rem 51446801
gc_ulong 52315750
mulri 53835788
truedivii 54957261
gc_bool 55265123
stack_malloc_align 55677476
affrr_fixlg 56699801
minuu 57503377
umodi2n 58328406
absi_shallow 61314098
mod2 65903081
Fl_addmulmul_pre 74219983
evalprecp 78703548
remlll_pre 79168015
evalvalp 81660151
mpsqr 91869894
Fl_triple 100025666
addiu 103240261
fixlg 106531099
addui 107314831
Fl_sqr 108108072
mod2BIL 113538605
mpodd 118266221
icopyspec 120487665
real_1 133398205
subiu 133457118
subui 138452451
mpshift 153964303
togglesign_safe 157574309
dvmduBIL 173177038
itou 180921916
cgetr 192141022
vali 194761093
addis 195808233
gc_double 199019225
varncmp 218513256
gc_long 243068487
mpsub 274068865
utoineg 300680537
cgetineg 301603299
rtor 308821946
rtor_lg 308826300
cmpuu 318396108
addsi 320996951
shiftr 363967239
muliu 379062275
itor 451983551
mulis 470882391
shiftr_inplace 472697973
itos 477931551
addir 490378753
real_0_bit 499170674
affsr 509057205
stor_lg 509057205
Fl_double 521303963
mpadd 598233289
negi 661703388
umodsu 734387787
itor_lg 739953325
Fl_neg 741556143
stoi 776206439
mpmul 889890348
mpneg 952138380
expu 955696991
affii 1003047144
subrr 1063070296
rcopy 1101990869
cgetg_copy 1490941382
nbits2lg 1676433619
togglesign 1996823789
minss 2045032455
absi 2076504761
mpabs 2118579233
setabssign 2187245759
expi 2476680813
Fl_mul 2551021083
Fl_sqr_pre 2567783720
addrr 3031157146
remii 3105738203
adduu 3542462706
stackdummy 3743223474
Fl_mul_pre 4448717118
leafcopy 5280278211
shift_right 5948193537
Fl_add 6561764682
dvmdsBIL 7387968882
maxss 7486532059
Fl_sub 7703067115
shift_left 7848094592
subii 8009978580
Fl_addmul_pre 8206361067
uutoi 9227532662
icopy 9396411084
utoi 12431557250
addii 13117568059
evalexpo 13970428363
utoipos 14665675045
gc_const 15931809145
cgetipos 16904681494
cgetg 28029147030
cgeti 28645793759
new_chunk 98662947843
evallg 100093119154
set_avma 136053717443

Generated by: LCOV version 2.0-1