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 - basemath - lll.c (source / functions) Hit Total Coverage Test: PARI/GP v2.18.1 lcov report (development 30107-5d3c5ac62a) Lines: 1335 1641 81.4 % Date: 2025-04-01 09:20:36 Functions: 125 130 96.2 % Legend: Lines: hit not hit

Function Name	Hit count
Babai	0
Babai_dpe	4585306
Babai_fast	29991608
Babai_heuristic	288670
GS_extraprec	4688913
REDgen	196
RgM_Cholesky_dynprec	2967
RgM_flip	34904
RgM_flop	0
RgM_is_square_mat	45828
ZC_to_RC	15745
ZM2_lll_norms	4700979
ZM_flatter	618310
ZM_flatter_rank	616296
ZM_flattergram	961
ZM_flattergram_rank	961
ZM_is_knapsack	605705
ZM_is_lower	1182139
ZM_is_upper	4177804
ZM_lll_norms	6953423
ZM_to_RM	4144
absrsmall	696359
absrsmall2	401359
addmuliu2n	4082311
addmuliu642n	667843
addmuliu64_inplace	9532764
addmulziu	4577313
addmulzu2n	271563
addzi	17775508
affdbldpe	3135183
affdpe	25564297
affidpe	20519433
affii_or_copy_gc	1388054
cget_dblmat	8271517
cget_dblvec	34470471
cget_dpemat	3135185
cget_dpevec	13039220
condition_bound	4688913
dbg_flatter	0
dbg_flattergram	0
dbldotproduct	117547874
dbldotsquare	2439578
dblrotate	34382976
do_SWAPgen	196
dpeM_diagonal_shallow	20147
dpe_abscmp	14395370
dpe_abssmall	1388065
dpe_addmuluz	342688
dpe_addz	1942225
dpe_cmp	5193476
dpe_cmpmul	5193472
dpe_divz	13954637
dpe_muluz	799192
dpe_mulz	56707763
dpe_negz	244145
dpe_normalize	47893169
dpe_normalize0	108008133
dpe_submuluz	411955
dpe_submulz	51514476
dpe_subz	53544599
dperotate	651467
dpetor	93704
drop	1335609
flat	1335609
flattergram_i	2967
fplll	0
fplll_dpe	1567594
fplll_fast	2067884
fplll_flatter	617257
fplll_heuristic	4144
gc_lll	4733
get_gaussred	44314
get_gramschmidt	1082343
gramschmidt_dynprec	2671217
gramschmidt_upper	1336
gsisinv	5148696
incrementalGSgen	168
itodbl_exp	161585930
kerint	42
kerint0	70
lll	1174802
lll_finish	2128274
lll_trivial	770050
lllall	36699
lllallgen	168
lllfp	5268292
lllgen	42
lllgram	9089
lllgramallgen	168
lllgramgen	42
lllgramint	36439
lllgramkerim	35
lllgramkerimgen	42
lllint	183
lllkerim	35
lllkerimgen	42
matkerint0	28
mpabscmp	4063248
mulshift	317357
nbits2prec64	7413971
pari_rint	10706963
potential	1335609
pslg	504
qflll0	301
qflllgram	63
qflllgram0	245
realdotproduct	1182991
realsqrdotproduct	197241
rotate	31714890
rotateG	442782
rotateG_fast	11460996
setG2_fast	16888801
setG2_heuristic	187538
setG_fast	22442258
setG_heuristic	205419
set_line	24676791
sizered	1335610
spread	5805088
submuliu2n	4173858
submuliu642n	683910
submuliu64_inplace	9585270
submulshift	1499977
submulziu	5920006
submulzu2n	262549
subzi	18517054
truncexpo	12138
u64toi	19801944
u64toineg	667843
update_alpha	11903905
vectail_inplace	2054208

Generated by: LCOV version 1.16