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 31057-89c4d54ba6) Lines: 88.5 % 684 605
Test Date: 2026-07-25 17:02:42 Functions: 89.6 % 241 216
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 3313
stack_calloc_align 3325
divmpr 3759
absr 20510
addss 25081
subss 25081
subuu 25081
varnmin 26180
dvdis 33765
cmprs 40996
cgetr_block 44735
sdivsi 102165
stack_calloc 110611
uabsdivui_rem 128889
gc_stoi 155903
dvdui 167545
subis 171754
Fl_ellj_pre 242727
mindd 265751
truedivis 268432
cmpri 303854
mod16 308662
Mod32 311157
uutoineg 365874
Mod16 389789
cgetg_block 430325
gc_utoi 467832
dvdiu 576287
umodui 710986
cmpsr 796228
rdivss 839647
newblock 857553
real2n 1070080
addri 1113219
equalis 1149708
equalsi 1149890
gc_utoipos 1155314
real_0 1160764
divrmp 1202999
mpround 1216191
cmpss 1416201
absrnz_equal2n 1580313
cmpir 1730008
mpcmp 2164535
udivuu_rem 2418435
mulru 2765059
gc_int 2818115
subir 3030782
equaliu 3042306
equalui 3042306
maxdd 3218243
Mod8 3247314
Mod2 3533481
ceildivuu 3916562
negr 3961206
Fl_center 4490059
absrnz_equal1 4559255
real_1_bit 4698886
itou_or_0 4918356
cmpis 5993299
truedivsi 6202318
cmpsi 6225298
subsi 6244850
umuluu_or_0 6356936
affsi 6484648
maxuu 6603110
mulrs 7181596
fractor 7389438
mod4 7470812
umuluu_le 7618608
gc_NULL 7910601
ugcdiu 10312772
affectsign_safe 10755613
addrs 12387629
cmpiu 12999233
cmpui 12999233
rdivii 13134342
rdiviiz 13173969
utor 13344603
affur 13344743
mpabs_shallow 13428280
smodss 13998082
subri 14369777
mod8 15673934
divii 15873510
subrs 16573278
dvdii 17072241
modis 19638526
Fl_halve 20601712
int_bit 21041578
smodis 21176116
hammingu 24078694
evalvalser 25309350
uabsdiviu_rem 25949953
abscmpiu 32504243
abscmpui 32504243
mpexpo 37847454
itos_or_0 44914134
modsi 45242201
absequaliu 45591159
stack_malloc 46711195
absequalui 47340890
affui 47850644
Fl_div 49580900
Mod4 50400737
sdivsi_rem 51446815
gc_ulong 52319405
mulri 53048208
truedivii 54916009
gc_bool 55260165
stack_malloc_align 55672160
affrr_fixlg 56699554
minuu 57545166
umodi2n 57882576
absi_shallow 60453734
mod2 65775414
Fl_addmulmul_pre 74216970
evalprecp 78703518
remlll_pre 79167991
evalvalp 81660121
mpsqr 91854031
Fl_triple 100072526
addiu 101495347
addui 105569911
fixlg 106536892
Fl_sqr 108109315
mod2BIL 113284564
mpodd 118263537
icopyspec 119694536
subiu 133454223
subui 138449507
real_1 143871513
mpshift 153963601
togglesign_safe 157520371
dvmduBIL 171017887
itou 180892118
vali 193225870
addis 195197349
gc_double 199002361
varncmp 218513205
gc_long 243060931
mpsub 274020466
utoineg 300140181
cgetineg 301062945
rtor 308816968
cmpuu 318021715
addsi 320386067
shiftr 363704137
muliu 379268727
mulis 470653650
shiftr_inplace 472341371
itos 477718320
addir 490369225
real_0_bit 499174518
affsr 507932839
stor 507932839
Fl_double 521085886
mpadd 598046370
negi 661235356
umodsu 734418576
Fl_neg 741531997
itor 752953736
stoi 775990112
lg2prec 838610501
mpmul 889647000
mpneg 951665849
expu 979981836
affii 1002889126
subrr 1062227404
rcopy 1105157179
cgetg_copy 1490605135
cgetr 1945452014
togglesign 1995756486
minss 2060320477
absi 2076261753
mpabs 2118336840
setabssign 2186911966
expi 2487342941
nbits2lg 2516094678
Fl_mul 2549187408
Fl_sqr_pre 2564071095
addrr 3027871270
remii 3103844603
adduu 3539255053
stackdummy 3738016660
Fl_mul_pre 4446396549
leafcopy 5281944169
shift_right 5941314113
Fl_add 6560889298
dvmdsBIL 7366331180
maxss 7484356607
Fl_sub 7690712949
shift_left 7840899123
subii 8000102895
Fl_addmul_pre 8205376296
uutoi 9221684970
icopy 9368426671
utoi 12422753042
addii 13117840556
evalexpo 13974231147
utoipos 14655363735
gc_const 15922209386
cgetipos 16891385902
cgetg 26262752955
cgeti 28621967434
new_chunk 98577724586
evallg 99996395323
set_avma 135949556443

Generated by: LCOV version 2.0-1