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 30818-1d7bcd2a3c) Lines: 1599 1779 89.9 % Date: 2026-04-16 09:26:05 Functions: 88 91 96.7 % Legend: Lines: hit not hit

Function Name	Hit count
L_compile_err	7
U_compile_err	7
access_push	116426
addcopy	274344
call0	28
cattovec	48854
checkdups	20953
closure_deriv	0
closure_derivn	112
closurefunc	10602
closuretoinl	0
compilecall	23375
compilecast	18613231
compilecast_loc	27744863
compileexport	41
compilefunc	10768112
compilefuncinline	20655
compilelambda	352
compilelocal	28
compilelvalue	1848
compilemat	9680
compilematcoeff	13595
compilemy	3545
compilenewptr	847
compilenode	52949347
compileseq	15199
compilesmall	30552139
compilestate_reset	452
compilestate_restore	56422
compilestate_save	1431625
compilestore	46026
compileunexport	6
compileuninline	6
compilevec	15460353
countlisttogen	52641263
countmatrixelts	427
countvar	3573
ctxmvar	9710
data_push	4804414
debug_context	0
detag	438694
fetch_member_raw	25263
first_safe_arg	21590394
frame_push	9154931
gcopyunclone	13959344
genclosure	9140641
genclosurectx	9129801
genctx	9145099
get_ret_type	21664523
getclosure	20394
getcodepos	10098865
getentry	369399
getfunc	21937976
getfunction	10098812
getlvalue	49643
getmvar	11139876
getvar	84322
getvardyn	131
gp_closure	937020
is_func_named	118401671
is_node_zero	4252
listtogen	52641263
localpush	70
localvars_find	7
localvars_read_str	10992
matchQ	8
matindex_type	15723
op_insert_loc	2975
op_push	115720053
op_push_loc	159505466
optimizecall	23382
optimizefunc	10763290
optimizemat	9680
optimizematcoeff	14596
optimizenode	62096921
optimizeseq	15199
optimizevec	15461585
pack_localvars	53
pari_close_compiler	370664
pari_init_compiler	371940
pari_translate_string	4
parseproto	153575152
push_frame	259
snm_closure	9128124
str_defproto	39
strntoGENexp	3822346
strtoclosure	1820
strtofunction	119
translate	3822350
var_push	65730
vec_optimize	15558431

Generated by: LCOV version 1.16