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 30835-e55edf4b45) Lines: 2467 2655 92.9 % Date: 2026-04-24 09:27:20 Functions: 236 246 95.9 % Legend: Lines: hit not hit

Function Name	Hit count
Itos	19145
QpV_to_QV	196
Qp_to_Q	735
RgC_RgV_mulrealsym	21630
RgM_mulreal	0
RgXY_cxevalx	63
RgX_cxeval	2441987
RgX_deflate_max	729363
RgX_deflate_order	1250546
RgX_degree	566858
RgX_integ	77
ZX_deflate_max	327815
ZX_deflate_order	526742
_abs	518
_egal	109041630
_egal_i	109041505
_gtopoly	3477145
_polcoef	2600954
_quot	875
_quotfi	7
_quotfs	301
_quotqs	28
_quotri	7
_quotrs	28
_quotsf	35
_quotsq	70
_quotsr	70
_rfraccoef	21
_sercoef	111958
ceil_safe	1056913
ceilr	2868
centerlift	60473
centerlift0	707
centerliftii	42518
compo	327
constmat	14
content0	131005
deg1pol	334353
deg1pol_shallow	9586142
deg2pol_shallow	321780
degree	11314
denom	228909
denom_i	12211807
denominator	128149
denominator_v	287
denompol	119
deriv	114128
derivn	1379
derivnser	210
derivser	28672
diffop	3535
diffop0	42
diviiround	67783784
divrem	1057
err_intformal	35
floor_safe	72100
gceil	236280
gcvtoi	1140558
gdeflate	14931
gdivent	6204961
gdiventgs	327761
gdiventres	1064
gdiventsg	6202773
gdivmod	0
gdivround	1459083
gdvd	15891
geq	47672514
geval	0
geval_gp	11020
gfloor	5362555
gfrac	426531
gge	248443
ggrando	7175
ggt	2374993
gimag	29365
gle	7628237
glt	6328208
gmod	46171617
gmodgs	22030548
gmodsg	45014125
gmodulo	1958068
gmodulsg	1341742
gmodulss	1074299
gne	61369090
gnot	606151
gppadicprec	105
gppoldegree	31392
gprecision	14472756
gpserprec	42
greal	6958
grndtoi	91638972
ground	2839976
gshift	47182929
gsubst	2733810
gsubst_v	84
gsubstpol	8302
gsubstvec	980
gtocol	350
gtocol0	4004
gtocolrev	0
gtocolrev0	294
gtopoly	1043106
gtopolyrev	2434040
gtovec	119447
gtovec0	123878
gtovecpost	1092
gtovecpre	3829
gtovecrev	0
gtovecrev0	308
gtovecsmall	19187
gtovecsmall0	7819
gtovecsmallpost	98
gtovecsmallpre	98
gtrunc	597763
gtrunc2n	117596078
gvar	137105489
gvar2	20438756
gvar9	58814
hqfeval	168
imag_i	299648975
init_qf_apply	504697
init_vectopre	3773
integ	350
integ_act	14
integser	29316
is_realext	177887
is_realquad	1099
iscomplex	0
isinexact	126630296
isinexactreal	14707
isint	492454
isrationalzeroscalar	0
isrealappr	1886450
issmall	326463
lift	2204811
lift0	2521552
lift_shallow	652408
liftall	26264
liftall_shallow	2004485
liftint	119
liftint_shallow	546
liftpol	5726
liftpol_shallow	21928792
listdeflate	21
lookup	833
mkcoln	1379
mkintn	24531
mkpoln	5609169
mkvecn	1220000
mkvecsmalln	153608
modRr_i	5098347
modRr_safe	0
mod_r	210
modrs	14
modsf	35
modsr	35
mulimag	103649
mulreal	15745655
numer	8631
numer_i	8948607
numerator	8925
op_ReIm	204001243
padic_to_Q	689505
padic_to_Q_shallow	14
padicprec	4172
padicprec_relative	2275
polcoef	727580
polcoef_i	3613212
poldeflate	8267
poldegree	147406
poleval	13303507
pollead	1211
prec0	9756843
precCOMPLEX	21506046
precREAL	978726496
precision	990505912
precrealexact	878687
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	325246788
recvar	75236
rfrac_deriv	56
rfrac_derivn	42
round0	6097
round_i	54194113
roundr	3136662
roundr_safe	302180
safe_polmod	1358
scalarmat2	56
scalarpol	9062755
scalarpol_shallow	3895532
ser2pol_i	11412844
ser2pol_i_normalize	864727
ser2rfrac	707
ser2rfrac_i	11487
ser_inv	48846
ser_unscale	4193
serdeflate	6566
serdiffop	7
serequalXk	24388
serprec	70
serreverse	98
sertrunc	70
sertrunc_copy	2317
simplify	11584562
simplify_shallow	514777717
subst_higher	731101
subst_polmod	574
swapvar_act	28
tayl	21
tayl_act	14
trunc0	217
uu32toi	328561
uu32toineg	114639
var2_aux	8477
var2_polmod	3570
var2_rfrac	4907
variables_vec	42
variables_vecsmall	1288
vdeflate	63
vec_padicprec	826
vec_padicprec_relative	371
vec_serprec	14
vecdenom	242315
vecdenompol	14

Generated by: LCOV version 1.16