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/gmp - mp.c (source / functions) Hit Total Coverage
Test: PARI/GP v2.18.1 lcov report (development 30483-b6b1f87815) Lines: 683 719 95.0 %
Date: 2025-09-12 09:24:16 Functions: 54 56 96.4 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
GEN2mpz 115523213
absdiviu_rem 50861431
addiispec 3337320507
adduispec 2789998112
adduispec_offset 764531533
addumului 0
affir 404155575
cmpiispec 3980003924
convi 439395
diviiexact 533948774
divis 325450
divis_rem 86239957
diviuexact 31844009
diviuexact_i 413265689
diviuuexact 200471
divri 151456955
divri_with_gmp 35251490
divrr 142825673
divrr_with_gmp 76354040
dvmdii 2195678511
equaliispec 269633554
floorr 7137445
icopy_ef 41483309
incloop 103428113
incneg 66684
incpos 103025821
int_normalize 306408749
mantissa2nr 138413758
mpz2GEN 57762733
muliispec 5845202305
muliispec_mirror 85109383
muluispec 5604031243
muluui 222702
pari_gmp_free 1755944
pari_gmp_realloc 0
pari_kernel_close 1104
pari_kernel_init 1112
pari_kernel_version 4
red_montgomery 34981567
remi2n 38976753
resetloop 174328
roundr_up_ip 527507722
setloop 2999291
shiftispec 720148128
sqrispec 1031535249
sqrispec_mirror 41402901
sqrtr_abs 126568376
sqrtremi 5160790
subiispec 3023177821
subiuspec 1779133309
truncr 3654083
umodiu 1329420715
xmpn_copy 6896518
xmpn_mirror 587832490
xmpn_mirrorcopy 719661382
xmpn_zero 237942155

Generated by: LCOV version 1.16