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:

• with GMP kernel
• with GMP kernel using --mt=pthread
• with native kernel, including micro-assembler code
• with native kernel, without micro-assembler
• with native kernel, without micro-assembler, disabling GCC extensions (DISABLE_INLINE)
• with GMP kernel, emulating an x86_32 architecture at Configure time via setarch

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 30674-be81ecfdd4) Lines: 1608 1779 90.4 % Date: 2026-02-10 09:23:17 Functions: 88 91 96.7 % Legend: Lines: hit not hit

Function Name	Hit count
L_compile_err	7
U_compile_err	7
access_push	115236
addcopy	270709
call0	28
cattovec	48296
checkdups	20669
closure_deriv	0
closure_derivn	112
closurefunc	10531
closuretoinl	0
compilecall	23305
compilecast	18598965
compilecast_loc	27767187
compileexport	41
compilefunc	10760223
compilefuncinline	20486
compilelambda	339
compilelocal	28
compilelvalue	1834
compilemat	9667
compilematcoeff	13554
compilemy	3420
compilenewptr	840
compilenode	52931407
compileseq	15093
compilesmall	30547360
compilestate_reset	452
compilestate_restore	56395
compilestate_save	1430485
compilestore	45876
compileunexport	6
compileuninline	6
compilevec	15459324
countlisttogen	52622867
countmatrixelts	427
countvar	3448
ctxmvar	9606
data_push	4803999
debug_context	0
detag	433617
fetch_member_raw	25263
first_safe_arg	21574322
frame_push	9191207
gcopyunclone	13995222
genclosure	9177111
genclosurectx	9166390
genctx	9181535
get_ret_type	21685628
getclosure	20231
getcodepos	10134187
getentry	365010
getfunc	21917750
getfunction	10134151
getlvalue	49493
getmvar	11128070
getvar	83639
getvardyn	131
gp_closure	936029
is_func_named	118315602
is_node_zero	4113
listtogen	52622867
localpush	70
localvars_find	7
localvars_read_str	10992
matchQ	8
matindex_type	15668
op_insert_loc	2975
op_push	115704526
op_push_loc	159663052
optimizecall	23312
optimizefunc	10755403
optimizemat	9667
optimizematcoeff	14548
optimizenode	62077503
optimizeseq	15093
optimizevec	15460560
pack_localvars	53
pari_close_compiler	371215
pari_init_compiler	373294
pari_translate_string	4
parseproto	154073292
push_frame	259
snm_closure	9164763
str_defproto	95
strntoGENexp	3822191
strtoclosure	1820
strtofunction	119
translate	3822195
var_push	65300
vec_optimize	15556852

Generated by: LCOV version 1.16