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 - mp.c (source / functions) Hit Total Coverage
Test: PARI/GP v2.18.1 lcov report (development 30365-beea1ff998) Lines: 1115 1153 96.7 %
Date: 2025-07-01 09:21:48 Functions: 69 70 98.6 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
addumului 0
pari_kernel_version 2
pari_kernel_close 786
pari_kernel_init 788
sqrispec_fft 1659
incneg 50013
muliispec_fft 83631
muliifft_unspliti 85290
mulliifft_params 85290
resetloop 130656
diviuuexact 149898
muluui 166566
muliifft_spliti 168921
sqrtispec2_sh 274908
convi 317103
Zf_sqr 448896
convi_dac 736512
divis 751344
setloop 2247333
truncr 2698419
sqrtispec1_sh 2751255
sqrtremi 3814143
floorr 5347839
Zf_mul 15338496
muliifft_dis 15702102
remi2n 19992291
diviuexact 28655271
diviuexact_i 29551065
muliifft_dit 30956967
incpos 34957494
incloop 35259978
red_montgomery 40596525
mantissa2nr 49099899
divis_rem 65790327
sqrtr_abs 91796415
xmpn_zero 91796415
sqrtispec2 92583840
p_sqrtu2 92858748
p_sqrtu1 95610003
divri 114207165
divrr 130299918
Zf_add 187658496
Zf_mulsqrt2 187658496
Zf_sub 191070978
equaliispec 200339301
Zf_shift 206264028
absdiviu_rem 280664370
affir 322951125
sqrtispec 329505741
diviiexact 396637647
Zf_red_destroy 399271983
roundr_up_ip 448883869
catii 473843802
adduispec_offset 493120728
addshiftw 707143245
int_normalize 857513733
sqrispec_basecase 936526599
sqrispec 946465674
xmpn_copy 1080640383
shiftispec 1284392148
umodiu 1422116313
subiuspec 1595877978
dvmdii 1686729783
adduispec 2399844279
subiispec 3397457940
cmpiispec 4125799896
addiispec 4589563716
muluispec 4864149996
muliispec_basecase 5253200994
muliispec 5480208351

Generated by: LCOV version 1.16