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 - gen1.c (source / functions) Hit Total Coverage Test: PARI/GP v2.18.1 lcov report (development 30462-6c568f4018) Lines: 1869 1991 93.9 % Date: 2025-08-10 09:24:05 Functions: 104 104 100.0 % Legend: Lines: hit not hit

Function Name	Hit count
Leading_is_neg	57792547
Q_to_Fp	226838
Qdivii	143883357
Qdivis	1592021
Qdiviu	145021260
Zp_nosquare_m1	42
_serprec	7162062
addQp	4762957
addRc	307099419
addRq	1288
addTp	7
add_intmod_same	3344851
add_rfrac	3018271
add_rfrac_scal	8811954
add_scal	42804500
add_ser_scal	408206
addqf	77
addsub_frac	42710631
addsub_frac_i	14259833
addsub_polmod	7203
addsub_polmod_scal	13455136
addsub_pp	19971750
conj_i	31489468
conjvec	84
divRc	2282487
divRq	301
divTp	3674
div_T_scal	7124710
div_intmod_same	341932
div_polmod_same	36764
div_rfrac	1187237
div_rfrac_pol	262344
div_rfrac_scal	32139
div_scal_T	9264762
div_scal_pol	9257065
div_scal_rfrac	37767
div_scal_ser	18550
div_ser	771538
div_ser_scal	1338593
divcR	23352895
divfq	42
divpT	1204917
divpp	13212435
divqf	63
divrunextu	224418524
fill_ser	5693993
fix_rfrac	207739
gadd	6136399631
gaddsg	270736900
gconj	390135
gdiv	438948159
gdivgs	12995207
gdivgu	54788153
gdivgunextu	1583873
ginv	36579051
gmul	8843921151
gmul2n	143000166
gmulsg	236547680
gmulug	124385044
gred_rfrac2	44825494
gred_rfrac_simple	57796615
gsqr	1183827249
gsub	2885179682
gsubsg	3238200
init_ser	5706368
inv_polmod	189625
is_ext_qfr	98
kro_quad	35
mkpadic_mod	24593202
mulRc	354111209
mulRq	2324
mulTp	4984905
mul_gen_rfrac	161432
mul_intmod_same	2629255
mul_polmod	2674945
mul_polmod_same	8528815
mul_polmod_scal	3238383
mul_rfrac	7910285
mul_rfrac_scal	10454828
mul_scal	154503394
mul_self_scal	7645840
mul_ser_scal	316386
mulcIR	11646652
mulcc	278950701
mulcxI	15629814
mulcxmI	2985973
mulcxpowIs	5563782
mulpp	17502981
mulqf	28
mulqq	1127
mulrfrac	37786782
quad_polmod_conj	18403
quad_polmod_mul	5860097
quad_polmod_norm	18403
rfrac_denom_mul_scal	9959379
ser_add	3581430
ser_normalize	7658
setfrac	15081596
sqr_polmod	419385
sqr_ser_part	112759
sqrq	70
sub_intmod_same	1027929
transtype	154401681
warn_coercion	105

Generated by: LCOV version 1.16