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 - gen3.c (source / functions) Coverage Total Hit Test: PARI/GP v2.19.0 lcov report (development 31092-e6893b0017) Lines: 92.9 % 2658 2470 Test Date: 2026-08-12 17:02:34 Functions: 95.9 % 246 236 Legend: Lines:     hit not hit

Function Name	Hit count
Itos	19285
QpV_to_QV	196
Qp_to_Q	735
RgC_RgV_mulrealsym	21630
RgM_mulreal	0
RgXY_cxevalx	63
RgX_cxeval	2472932
RgX_deflate_max	730402
RgX_deflate_order	1256776
RgX_degree	566883
RgX_integ	105
ZX_deflate_max	330318
ZX_deflate_order	530259
_abs	518
_egal	109043743
_egal_i	109043743
_gtopoly	3479008
_polcoef	2601008
_quot	875
_quotfi	7
_quotfs	301
_quotqs	28
_quotri	7
_quotrs	280
_quotsf	35
_quotsq	70
_quotsr	70
_rfraccoef	21
_sercoef	111958
ceil_safe	1058981
ceilr	2721
centerlift	60473
centerlift0	707
centerliftii	42518
compo	327
constmat	14
content0	131005
deg1pol	334445
deg1pol_shallow	9726700
deg2pol_shallow	324129
degree	11314
denom	228900
denom_i	12319319
denominator	128149
denominator_v	287
denompol	119
deriv	112910
derivn	1379
derivnser	210
derivser	29344
diffop	3535
diffop0	42
diviiround	68081496
divrem	1057
err_intformal	35
floor_safe	72056
gceil	235307
gcvtoi	1142575
gdeflate	15183
gdivent	6204961
gdiventgs	328078
gdiventres	1064
gdiventsg	6202773
gdivmod	0
gdivround	1483091
gdvd	16055
geq	47674005
geval	0
geval_gp	11020
gfloor	5539697
gfrac	426531
gge	248443
ggrando	7210
ggt	2375133
gimag	29477
gle	7628237
glt	6328264
gmod	46175901
gmodgs	22033009
gmodsg	45014195
gmodulo	1959942
gmodulsg	1343397
gmodulss	1074360
gne	61369738
gnot	606149
gppadicprec	105
gppoldegree	31392
gprecision	15067321
gpserprec	42
greal	7000
grndtoi	92455677
ground	3424936
gshift	47408236
gsubst	2741615
gsubst_v	84
gsubstpol	8302
gsubstvec	980
gtocol	350
gtocol0	4004
gtocolrev	0
gtocolrev0	294
gtopoly	1044968
gtopolyrev	2434040
gtovec	119447
gtovec0	123878
gtovecpost	1092
gtovecpre	3829
gtovecrev	0
gtovecrev0	308
gtovecsmall	19257
gtovecsmall0	7889
gtovecsmallpost	98
gtovecsmallpre	98
gtrunc	597763
gtrunc2n	117775780
gvar	133413051
gvar2	20672254
gvar9	62846
hqfeval	168
imag_i	301949769
init_qf_apply	504771
init_vectopre	3773
integ	350
integ_act	14
integser	29988
is_realext	189944
is_realquad	1099
iscomplex	0
isinexact	129400558
isinexactreal	14833
isint	673894
isrationalzeroscalar	0
isrealappr	1891246
issmall	326463
lift	2205732
lift0	2522991
lift_shallow	652418
liftall	26264
liftall_shallow	2004499
liftint	119
liftint_shallow	546
liftpol	5726
liftpol_shallow	22578082
listdeflate	21
lookup	833
mkcoln	1379
mkintn	24804
mkpoln	5629964
mkvecn	1221225
mkvecsmalln	153606
modRr_i	5105103
modRr_safe	0
mod_r	210
modrs	14
modsf	35
modsr	35
mulimag	103649
mulreal	30597203
numer	8631
numer_i	9050682
numerator	8925
op_ReIm	204317722
padic_to_Q	689519
padic_to_Q_shallow	14
padicprec	4172
padicprec_relative	2275
polcoef	727580
polcoef_i	3613381
poldeflate	8302
poldegree	180439
poleval	13415524
pollead	1211
prec0	9764963
precCOMPLEX	23097488
precREAL	985734052
precision	997572044
precrealexact	2007084
qf_RgM_apply	7664
qf_ZM_apply	497107
qfb_ZM_apply	21
qfb_ZM_apply_i	21
qfbeval	347816
qfbevalb	7
qfbil	0
qfeval	17024
qfeval0	348082
qfevalb	567
qfnorm	0
qfnorm0	348026
quad_floor	742
quot	777
quotfi	7
quotfs	301
quotqs	14
quotrem	518
quotri	7
quotrs	266
quotsf	35
quotsq	35
quotsr	35
real_i	328253364
recvar	75691
rfrac_deriv	56
rfrac_derivn	42
round0	6237
round_i	54679705
roundr	3635902
roundr_safe	315267
safe_polmod	1358
scalarmat2	56
scalarpol	45306357
scalarpol_shallow	3975169
ser2pol_i	11869399
ser2pol_i_normalize	899117
ser2rfrac	707
ser2rfrac_i	11641
ser_inv	50015
ser_unscale	4193
serdeflate	6818
serdiffop	7
serequalXk	25081
serprec	70
serreverse	98
sertrunc	77
sertrunc_copy	2338
simplify	11592339
simplify_shallow	523432527
subst_higher	730968
subst_polmod	574
swapvar_act	28
tayl	21
tayl_act	14
trunc0	217
uu32toi	328959
uu32toineg	114648
var2_aux	10465
var2_polmod	3570
var2_rfrac	6895
variables_vec	98
variables_vecsmall	1344
vdeflate	63
vec_padicprec	826
vec_padicprec_relative	371
vec_serprec	14
vecdenom	242312
vecdenompol	14

Generated by: LCOV version 2.0-1