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 30007-407ab607e8) Lines: 1335 1641 81.4 % Date: 2025-02-20 09:19:49 Functions: 125 130 96.2 % Legend: Lines: hit not hit

Function Name	Hit count
Babai	0
RgM_flop	0
dbg_flatter	0
dbg_flattergram	0
fplll	0
matkerint0	28
lllgramkerim	35
lllkerim	35
kerint	42
lllgen	42
lllgramgen	42
lllgramkerimgen	42
lllkerimgen	42
qflllgram	63
kerint0	70
incrementalGSgen	168
lllallgen	168
lllgramallgen	168
lllint	183
REDgen	196
do_SWAPgen	196
qflllgram0	245
qflll0	301
pslg	504
ZM_flattergram	961
ZM_flattergram_rank	961
gramschmidt_upper	1336
RgM_Cholesky_dynprec	2967
flattergram_i	2967
ZM_to_RM	4133
fplll_heuristic	4133
gc_lll	4722
lllgram	9089
truncexpo	12132
ZC_to_RC	15707
dpeM_diagonal_shallow	20292
RgM_flip	34904
lllgramint	36439
lllall	36699
get_gaussred	44316
RgM_is_square_mat	45828
dpetor	94015
setG2_heuristic	183605
realsqrdotproduct	193281
setG_heuristic	201454
dpe_negz	244079
submulzu2n	262549
addmulzu2n	271563
Babai_heuristic	283467
mulshift	317482
dpe_addmuluz	342689
absrsmall2	394782
dpe_submuluz	411952
rotateG	440490
ZM_is_knapsack	606503
ZM_flatter_rank	616560
fplll_flatter	617521
ZM_flatter	618574
dperotate	651484
addmuliu642n	668825
u64toineg	668825
submuliu642n	685833
absrsmall	687537
lll_trivial	770187
dpe_muluz	799192
get_gramschmidt	1082990
realdotproduct	1167169
lll	1175039
ZM_is_lower	1182694
drop	1336324
potential	1336324
flat	1336325
sizered	1336325
affii_or_copy_gc	1388053
dpe_abssmall	1388065
submulshift	1502834
fplll_dpe	1568492
dpe_addz	1942243
vectail_inplace	2055965
fplll_fast	2069642
lll_finish	2130148
dbldotsquare	2440949
gramschmidt_dynprec	2672650
affdbldpe	3136978
cget_dpemat	3136985
mpabscmp	4066599
addmuliu2n	4092428
submuliu2n	4178013
ZM_is_upper	4180037
addmulziu	4577411
Babai_dpe	4587457
GS_extraprec	4691382
condition_bound	4691382
ZM2_lll_norms	4702832
gsisinv	5151556
dpe_cmpmul	5195418
dpe_cmp	5195431
lllfp	5270792
spread	5808734
submulziu	5920128
ZM_lll_norms	6957188
nbits2prec64	7418326
cget_dblmat	8278555
addmuliu64_inplace	9502895
submuliu64_inplace	9557744
pari_rint	10720635
rotateG_fast	11486336
update_alpha	11926989
cget_dpevec	13045417
dpe_divz	13959625
dpe_abscmp	14400341
setG2_fast	16925707
addzi	17775953
subzi	18517751
u64toi	19746472
affidpe	20527092
setG_fast	22483525
set_line	24720020
affdpe	25569939
Babai_fast	30048679
rotate	31769384
dblrotate	34459048
cget_dblvec	34498883
dpe_normalize	47909443
dpe_submulz	51529438
dpe_subz	53559658
dpe_mulz	56724710
dpe_normalize0	108046799
dbldotproduct	117781173
itodbl_exp	161895271

Generated by: LCOV version 1.16