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) Hit Total Coverage Test: PARI/GP v2.18.1 lcov report (development 30622-caa25a75db) Lines: 2476 2664 92.9 % Date: 2026-01-22 09:18:00 Functions: 237 247 96.0 % Legend: Lines: hit not hit

Function Name	Hit count
Itos	19103
QpV_to_QV	196
Qp_to_Q	735
RgC_RgV_mulrealsym	21630
RgM_mulreal	0
RgXY_cxevalx	63
RgX_cxeval	2295147
RgX_deflate_max	705491
RgX_deflate_order	1096374
RgX_degree	510142
RgX_derivn	833
RgX_integ	105
ZX_deflate_max	304077
ZX_deflate_order	484465
_abs	518
_egal	108992946
_egal_i	108992951
_gtopoly	3398570
_polcoef	2477114
_quot	875
_quotfi	7
_quotfs	301
_quotqs	28
_quotri	7
_quotrs	28
_quotsf	35
_quotsq	70
_quotsr	70
_rfraccoef	21
_sercoef	111930
ceil_safe	1017449
ceilr	2504
centerlift	60473
centerlift0	707
centerliftii	42518
compo	327
constmat	14
content0	131005
deg1pol	560609
deg1pol_shallow	8406799
deg2pol_shallow	315620
degree	11308
denom	228907
denom_i	12318975
denominator	128147
denominator_v	287
denompol	119
deriv	114128
derivn	1379
derivnser	210
derivser	25872
diffop	3535
diffop0	42
diviiround	63109819
divrem	1057
err_intformal	35
floor_safe	65432
gceil	235509
gcvtoi	1094420
gdeflate	14231
gdivent	6204674
gdiventgs	311718
gdiventres	1064
gdiventsg	6202486
gdivmod	0
gdivround	1378576
gdvd	14619
geq	47667935
geval	0
geval_gp	11020
gfloor	5360073
gfrac	426021
gge	248443
ggrando	7049
ggt	2374849
gimag	29365
gle	7628237
glt	6328228
gmod	46154380
gmodgs	22029314
gmodsg	44997996
gmodulo	1937229
gmodulsg	1320652
gmodulss	1052806
gne	61325014
gnot	604827
gppadicprec	105
gppoldegree	31223
gprecision	14033857
gpserprec	42
greal	6958
grndtoi	89838928
ground	2705895
gshift	46835640
gsubst	2707961
gsubst_v	84
gsubstpol	8302
gsubstvec	980
gtocol	350
gtocol0	3808
gtocolrev	0
gtocolrev0	294
gtopoly	964532
gtopolyrev	2434037
gtovec	119447
gtovec0	123668
gtovecpost	1092
gtovecpre	3619
gtovecrev	0
gtovecrev0	308
gtovecsmall	19040
gtovecsmall0	7784
gtovecsmallpost	98
gtovecsmallpre	98
gtrunc	597742
gtrunc2n	110854571
gvar	130889129
gvar2	20673633
gvar9	59444
hqfeval	168
imag_i	285359166
init_qf_apply	504697
init_vectopre	3563
integ	350
integ_act	14
integser	26516
is_realext	164540
is_realquad	1099
iscomplex	0
isinexact	129113940
isinexactreal	14357
isint	486854
isrationalzeroscalar	0
isrealappr	1791608
issmall	326463
lift	2200648
lift0	2517451
lift_shallow	642719
liftall	26249
liftall_shallow	1964296
liftint	119
liftint_shallow	546
liftpol	5724
liftpol_shallow	21891915
listdeflate	21
lookup	833
mkcoln	1379
mkintn	24531
mkpoln	5568977
mkvecn	1126432
mkvecsmalln	134006
modRr_i	4985645
modRr_safe	0
mod_r	210
modrs	14
modsf	35
modsr	35
mulimag	103649
mulreal	15657284
numer	8631
numer_i	9050513
numerator	8925
op_ReIm	194829720
padic_to_Q	689472
padic_to_Q_shallow	14
padicprec	4153
padicprec_relative	2303
polcoef	727580
polcoef_i	3424081
poldeflate	8302
poldegree	140721
poleval	13376847
pollead	1211
prec0	9174243
precCOMPLEX	20796775
precREAL	948347645
precision	959298956
precrealexact	878736
qf_RgM_apply	7663
qf_ZM_apply	497034
qfb_ZM_apply	14
qfb_ZM_apply_i	14
qfbeval	347816
qfbevalb	7
qfbil	0
qfeval	17023
qfeval0	348075
qfevalb	567
qfnorm	0
qfnorm0	348019
quad_floor	518
quot	777
quotfi	7
quotfs	301
quotqs	14
quotrem	518
quotri	7
quotrs	14
quotsf	35
quotsq	35
quotsr	35
real_i	307780597
recvar	75236
rfrac_deriv	56
rfrac_derivn	42
round0	6095
round_i	53088074
roundr	3044190
roundr_safe	300735
safe_polmod	1358
scalarmat2	56
scalarpol	45188231
scalarpol_shallow	3620031
ser2pol_i	10166413
ser2pol_i_normalize	761099
ser2rfrac	707
ser2rfrac_i	11487
ser_inv	46732
ser_unscale	4193
serdeflate	5866
serdiffop	7
serequalXk	21588
serprec	70
serreverse	98
sertrunc	70
sertrunc_copy	2317
simplify	11568484
simplify_shallow	569715450
subst_higher	725149
subst_polmod	574
swapvar_act	28
tayl	21
tayl_act	14
trunc0	217
uu32toi	328487
uu32toineg	114606
var2_aux	10710
var2_polmod	3479
var2_rfrac	7231
variables_vec	42
variables_vecsmall	1288
vdeflate	63
vec_padicprec	823
vec_padicprec_relative	399
vec_serprec	14
vecdenom	242297
vecdenompol	14

Generated by: LCOV version 1.16