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 - language - compile.c (source / functions) Hit Total Coverage
Test: PARI/GP v2.18.1 lcov report (development 30499-74bdd0ac5b) Lines: 1608 1779 90.4 %
Date: 2025-09-17 09:23:49 Functions: 88 91 96.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
L_compile_err 7
U_compile_err 7
access_push 115187
addcopy 270261
call0 21
cattovec 48268
checkdups 20662
closure_deriv 0
closure_derivn 112
closurefunc 10510
closuretoinl 0
compilecall 23235
compilecast 18596907
compilecast_loc 27679434
compileexport 41
compilefunc 10759012
compilefuncinline 20486
compilelambda 339
compilelocal 28
compilelvalue 1834
compilemat 9660
compilematcoeff 13533
compilemy 3420
compilenewptr 840
compilenode 52927802
compileseq 15009
compilesmall 30546583
compilestate_reset 445
compilestate_restore 56388
compilestate_save 1430029
compilestore 45687
compileunexport 6
compileuninline 6
compilevec 15459247
countlisttogen 52619892
countmatrixelts 427
countvar 3448
ctxmvar 9585
data_push 4803229
debug_context 0
detag 432749
fetch_member_raw 25263
first_safe_arg 21571746
frame_push 9105513
gcopyunclone 13908722
genclosure 9091447
genclosurectx 9080705
genctx 9095824
get_ret_type 21597616
getclosure 20231
getcodepos 10048170
getentry 364359
getfunc 21914558
getfunction 10048114
getlvalue 49304
getmvar 11126075
getvar 83457
getvardyn 131
gp_closure 935714
is_func_named 118302351
is_node_zero 4092
listtogen 52619892
localpush 70
localvars_find 7
localvars_read_str 10992
matchQ 8
matindex_type 15647
op_insert_loc 2975
op_push 115699990
op_push_loc 159224048
optimizecall 23242
optimizefunc 10754199
optimizemat 9660
optimizematcoeff 14527
optimizenode 62073541
optimizeseq 15009
optimizevec 15460476
pack_localvars 53
pari_close_compiler 341463
pari_init_compiler 342688
pari_translate_string 4
parseproto 152785469
push_frame 259
snm_closure 9079116
str_defproto 95
strntoGENexp 3822163
strtoclosure 1820
strtofunction 119
translate 3822167
var_push 65286
vec_optimize 15556628

Generated by: LCOV version 1.16