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 30364-8108102770) Lines: 1869 1991 93.9 % Date: 2025-06-30 09:21:07 Functions: 104 104 100.0 % Legend: Lines: hit not hit

Function Name	Hit count
addTp	7
mulqf	28
kro_quad	35
Zp_nosquare_m1	42
divfq	42
divqf	63
sqrq	70
addqf	77
conjvec	84
is_ext_qfr	98
warn_coercion	105
divRq	301
mulqq	1127
addRq	1288
mulRq	2324
divTp	3674
addsub_polmod	7203
ser_normalize	7658
quad_polmod_conj	18403
quad_polmod_norm	18403
div_scal_ser	18550
div_rfrac_scal	32139
div_polmod_same	36764
div_scal_rfrac	37767
sqr_ser_part	112759
gconj	133221
mul_gen_rfrac	161432
inv_polmod	189626
fix_rfrac	207739
Q_to_Fp	226838
div_rfrac_pol	262344
mul_ser_scal	316386
div_intmod_same	341930
add_ser_scal	408206
sqr_polmod	419385
div_ser	771538
sub_intmod_same	1027929
div_rfrac	1187237
divpT	1204917
div_ser_scal	1338593
gdivgunextu	1583873
Qdivis	1591262
divRc	2358793
mul_intmod_same	2629223
mul_polmod	2674945
add_rfrac	3018271
mulcxmI	3078966
gsubsg	3109777
mul_polmod_scal	3238383
add_intmod_same	3344851
ser_add	3581430
addQp	4762988
mulTp	4984919
mulcxpowIs	5525522
fill_ser	5693993
init_ser	5706368
quad_polmod_mul	5860097
div_T_scal	7116136
_serprec	7162062
mul_self_scal	7545606
mul_rfrac	7910285
mul_polmod_same	8522522
add_rfrac_scal	8811954
div_scal_pol	9257030
div_scal_T	9264727
rfrac_denom_mul_scal	9959372
mul_rfrac_scal	10454828
mulcIR	11668374
gdivgs	13123094
divpp	13212497
addsub_polmod_scal	13455136
addsub_frac_i	14222794
setfrac	15037712
mulcxI	15655806
mulpp	17503199
addsub_pp	19972110
divcR	23098598
mkpadic_mod	24593554
conj_i	29191515
ginv	36578055
mulrfrac	37595308
addsub_frac	42587610
gred_rfrac2	44825298
add_scal	45423278
gdivgu	54661972
Leading_is_neg	57792533
gred_rfrac_simple	57796601
gmulug	124385044
gmul2n	138451039
Qdivii	142706127
Qdiviu	143832945
transtype	154401254
mul_scal	157297805
divrunextu	224120386
gmulsg	231431910
gaddsg	270600809
mulcc	274335904
addRc	304813123
mulRc	351413661
gdiv	437031511
gsqr	1179091726
gsub	2871956675
gadd	6081272273
gmul	8784823643

Generated by: LCOV version 1.16