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 - elltrans.c (source / functions) Coverage Total Hit Test: PARI/GP v2.18.1 lcov report (development 31042-0fbe168e69) Lines: 93.0 % 1479 1376 Test Date: 2026-07-23 17:04:59 Functions: 97.4 % 116 113 Legend: Lines:     hit not hit

Function Name	Hit count
E2_correction	4025
Ek_from_wp	392
PiI2div	41685
PiI2div_sqr	4725
RgXn_eta	28
_period	75208
apply_eta_correction	42
autojtau	220192
autojtauprime	70
check_complex	525588
check_periods	253295
check_unit_disc	21
clearim	1510544
clearimall	377636
coeffEu	476
compute_periods	253288
cxE4E6	427
cxEk	42385
cxanalyze	84
cxredsl2	294
cxredsl2_i	336
doellR_eta	70
doellR_omega	52577
double_eta_quotient	2093
e12	91155
ellQp_P2t	133
ellQp_P2t_err	21
ellQp_t2P	56
ellR_eta	98
ellR_omega	273833
elleis_from_wp	231
elleisnum	4781
elleisnum0	448
elleisnum_testk	5222
elleta	84
elleta_W	66374
elljacobi	70
elljacobi_cx	42
elljacobi_pol	14
ellomega_agm	52577
ellomega_cx	42864
ellperiods	28756
ellsigma	37674
ellsigma_cx	37569
ellwp	0
ellwp0	182
ellwp_cx	181972
ellwpnum_all	181993
ellwpseries	42
ellwpseries_aux	553
ellzeta	161
ellzeta_cx	70
equali01	112
eta	77
eta0	112
eta_correction	8491
eta_form	8372
eta_reduced	8477
expIPiC	783654
expIPiQ	2170
expIPiR	192067
expIPifrac	128098
expIxy	147
form_to_quad	8372
gadd3	406
get_c4c6	294
get_periods	253211
get_r0	182
gmul3	182574
gmul4	181909
inteta	7639
ispair	71435
isqreal	427
jell	42
pi23	219646
pointell	181972
qq	42116
real2nQ	160560
red_modSL2	253288
redmod2Z	219807
reduce_z	219639
ser_E	7
ser_addmulXn	21
ser_eta	7
ser_j	14
ser_j2	7
set_gamma	224742
sqrt32	2079
sumdedekind	28
sumdedekind_coprime	6300
theta	154
theta11prime	70
thetaall	220192
thetaflag	182
thetanull	35
thetanull11	7
thetanull_i	455
thetanullk	7
thetaprec	220269
to_form	8372
trueeta	35
u_sumdedekind_coprime	6293
upper_to_cx	262413
vecthetanullk	0
vecthetanullk_loop	42039
vecthetanullk_tau	0
weber0	42
weberf	14
weberf1	14
weberf2	14
zell	28973
zell_closest_0	56
zell_i	28833
zellcx	28735
zellrealneg	28
zellrealpos	70

Generated by: LCOV version 2.0-1