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 30733-eb2d773d38) Lines: 1599 1779 89.9 % Date: 2026-03-03 09:24:12 Functions: 88 91 96.7 % Legend: Lines: hit not hit

Function Name	Hit count
L_compile_err	7
U_compile_err	7
access_push	115277
addcopy	270959
call0	28
cattovec	48560
checkdups	20682
closure_deriv	0
closure_derivn	112
closurefunc	10574
closuretoinl	0
compilecall	23305
compilecast	18601079
compilecast_loc	27770850
compileexport	41
compilefunc	10761774
compilefuncinline	20488
compilelambda	339
compilelocal	28
compilelvalue	1834
compilemat	9674
compilematcoeff	13554
compilemy	3420
compilenewptr	840
compilenode	52934482
compileseq	15095
compilesmall	30548310
compilestate_reset	452
compilestate_restore	56422
compilestate_save	1431216
compilestore	45872
compileunexport	6
compileuninline	6
compilevec	15459478
countlisttogen	52626411
countmatrixelts	427
countvar	3448
ctxmvar	9620
data_push	4804114
debug_context	0
detag	433932
fetch_member_raw	25263
first_safe_arg	21577578
frame_push	9192758
gcopyunclone	13996829
genclosure	9178658
genclosurectx	9167914
genctx	9183071
get_ret_type	21690242
getclosure	20240
getcodepos	10136458
getentry	365326
getfunc	21921157
getfunction	10136440
getlvalue	49489
getmvar	11129866
getvar	83662
getvardyn	131
gp_closure	936741
is_func_named	118332698
is_node_zero	4120
listtogen	52626411
localpush	70
localvars_find	7
localvars_read_str	10992
matchQ	8
matindex_type	15668
op_insert_loc	2975
op_push	115707385
op_push_loc	159675349
optimizecall	23312
optimizefunc	10756987
optimizemat	9674
optimizematcoeff	14548
optimizenode	62080795
optimizeseq	15095
optimizevec	15460710
pack_localvars	53
pari_close_compiler	372069
pari_init_compiler	373649
pari_translate_string	4
parseproto	154105322
push_frame	259
snm_closure	9166267
str_defproto	39
strntoGENexp	3822297
strtoclosure	1820
strtofunction	119
translate	3822301
var_push	65320
vec_optimize	15557188

Generated by: LCOV version 1.16