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: 2026-09-21 17:02:41 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 44707
sdivsi 102165
stack_calloc 110666
uabsdivui_rem 128885
gc_stoi 155897
dvdui 167545
subis 171754
Fl_ellj_pre 242740
mindd 265748
truedivis 268443
cmpri 303857
mod16 308664
Mod32 311157
uutoineg 365874
Mod16 389809
cgetg_block 430408
gc_utoi 467846
dvdiu 576287
umodui 710986
cmpsr 796228
rdivss 839647
newblock 857691
real2n 1070080
addri 1113221
equalis 1149746
equalsi 1149928
gc_utoipos 1155327
real_0 1160909
divrmp 1203052
mpround 1216173
cmpss 1416201
subri 1538296
absrnz_equal2n 1580195
cmpir 1730031
stor 2140786
mpcmp 2164549
udivuu_rem 2418435
mulru 2765059
gc_int 2818760
subir 3030781
equaliu 3042327
equalui 3042327
maxdd 3218158
Mod8 3309346
Mod2 3595514
ceildivuu 3919091
negr 3961171
Fl_center 4490059
absrnz_equal1 4559158
real_1_bit 4699056
itou_or_0 5015376
rdivii 5744702
cmpis 6119290
truedivsi 6202318
subsi 6244985
umuluu_or_0 6348116
cmpsi 6351289
affsi 6484615
maxuu 6603106
mulrs 7181596
fractor 7387946
fractor_lg 7389437
mod4 7594957
umuluu_le 7618608
gc_NULL 7912446
ugcdiu 10312772
affectsign_safe 10756508
addrs 12387603
cmpiu 12998747
cmpui 12998747
rdivii_lg 13134265
rdiviiz 13173892
utor 13344597
utor_lg 13344597
affur 13344737
mpabs_shallow 13428274
smodss 13998082
mod8 15672068
divii 16301025
subrs 16573215
dvdii 17072369
modis 19638526
Fl_halve 20610385
int_bit 21015213
smodis 21176116
hammingu 24078737
evalvalser 25309350
uabsdiviu_rem 26737503
lg2prec 30275925
abscmpiu 33384740
abscmpui 33384740
mpexpo 37845719
itos_or_0 44914263
modsi 45242123
absequaliu 45906155
stack_malloc 46736480
absequalui 47655925
affui 47976646
Fl_div 49581787
Mod4 50720257
sdivsi_rem 51446737
gc_ulong 52350227
mulri 53835786
truedivii 54902940
gc_bool 55257386
stack_malloc_align 55671515
affrr_fixlg 56699170
minuu 57544957
umodi2n 58326181
absi_shallow 61448240
mod2 65902136
Fl_addmulmul_pre 74221455
evalprecp 78703526
remlll_pre 79168019
evalvalp 81660129
mpsqr 91861215
Fl_triple 100344413
addiu 103516387
fixlg 106530493
addui 107590958
Fl_sqr 108134221
mod2BIL 113533863
mpodd 118264483
icopyspec 120487017
real_1 133392576
subiu 133453883
subui 138449208
mpshift 153962721
togglesign_safe 157507672
dvmduBIL 173050152
itou 180921582
cgetr 192135192
vali 194752382
addis 195796687
gc_double 198973040
varncmp 218513424
gc_long 243067990
mpsub 274024337
utoineg 300661415
cgetineg 301584175
rtor 308819008
rtor_lg 308823362
cmpuu 318396591
addsi 320985405
shiftr 363951310
muliu 378887271
itor 451901820
mulis 470856652
shiftr_inplace 472695457
itos 477852025
addir 490350361
real_0_bit 500945140
affsr 509051733
stor_lg 509051733
Fl_double 522044190
mpadd 599753669
negi 661633518
umodsu 734448385
itor_lg 739860887
Fl_neg 741584691
stoi 776276868
mpmul 891367371
mpneg 952055264
expu 955681092
affii 1002906165
subrr 1063013719
rcopy 1101934495
cgetg_copy 1490915338
nbits2lg 1677686984
togglesign 1996599573
minss 2044811336
absi 2076460749
mpabs 2118533180
setabssign 2187197578
expi 2476368322
Fl_mul 2551290129
Fl_sqr_pre 2569933259
addrr 3032522565
remii 3103971858
adduu 3542313244
stackdummy 3744165946
Fl_mul_pre 4453783628
leafcopy 5280091098
shift_right 5947879371
Fl_add 6562862025
dvmdsBIL 7387147842
maxss 7485999229
Fl_sub 7703744589
shift_left 7847821200
subii 8008739654
Fl_addmul_pre 8209152996
uutoi 9226440493
icopy 9395570877
utoi 12430319327
addii 13115568739
evalexpo 13971392380
utoipos 14664358852
gc_const 15930191465
cgetipos 16903197915
cgetg 28034191004
cgeti 28637250915
new_chunk 98662563389
evallg 100089097413
set_avma 136054083972

Generated by: LCOV version 2.0-1