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) Coverage Total Hit Test: PARI/GP v2.18.1 lcov report (development 31053-95e3b72995) Lines: 90.0 % 1811 1630 Test Date: 2026-07-24 17:03:07 Functions: 96.7 % 92 89 Legend: Lines:     hit not hit

Function Name	Hit count
L_compile_err	7
U_compile_err	7
access_push	116965
addcopy	276486
call0	28
cattovec	49050
checkdups	21086
closure_deriv	0
closure_derivn	112
closurefunc	10616
closuretoinl	0
compilecall	23396
compilecast	18622082
compilecast_loc	27770795
compileexport	41
compilefunc	10773019
compilefuncinline	20788
compilelambda	359
compilelocal	28
compilelvalue	1848
compilemat	9687
compilematcoeff	13616
compilemy	3573
compilenewptr	847
compilenode	52959974
compileseq	15276
compilesmall	30554783
compilestate_reset	452
compilestate_restore	56443
compilestate_save	1432327
compilestore	46194
compileunexport	6
compileuninline	6
compilevec	15460598
countlisttogen	52651924
countmatrixelts	462
countvar	3601
ctxmvar	9745
data_push	4805081
debug_context	0
detag	450809
fetch_member_raw	25291
first_safe_arg	21600306
frame_push	9172182
gcopyunclone	13977263
genclosure	9157630
genclosurectx	9146889
genctx	9162215
get_ret_type	21691156
getclosure	20513
getcodepos	10116565
getentry	368138
getfunc	21946571
getfunction	10116509
getlvalue	49818
getmvar	11147142
getvar	67928
getvardyn	131
getvarvec	13019
gp_closure	937475
is_func_named	118455466
is_node_zero	4294
listtogen	52651924
localpush	70
localvars_find	7
localvars_read_str	10992
matchQ	8
matindex_type	15744
op_insert_loc	3430
op_push	115728390
op_push_loc	159613442
optimizecall	23403
optimizefunc	10768211
optimizemat	9687
optimizematcoeff	14617
optimizenode	62108219
optimizeseq	15276
optimizevec	15461837
pack_localvars	53
pari_close_compiler	378540
pari_init_compiler	378548
pari_translate_string	4
parseproto	153864861
push_frame	259
snm_closure	9145194
str_defproto	39
strntoGENexp	3822374
strtoclosure	1820
strtofunction	119
translate	3822378
var_push	65982
vec_optimize	15558879

Generated by: LCOV version 2.0-1