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 30535-d1c72762fc) Lines: 1865 1987 93.9 % Date: 2025-10-28 09:21:48 Functions: 105 105 100.0 % Legend: Lines: hit not hit

Function Name	Hit count
Leading_is_neg	57792547
Q_to_Fp	226838
Qdivii	141935609
Qdivis	1592131
Qdiviu	148694778
Zp_nosquare_m1	42
_serprec	7162062
addQp	4762929
addRc	307233587
addRq	1288
addTp	7
add_intmod_same	3344846
add_rfrac	3018271
add_rfrac_scal	8811954
add_scal	42804860
add_ser_scal	408206
addqf	77
addsub_frac	40598953
addsub_frac_i	14120944
addsub_polmod	7203
addsub_polmod_scal	13455136
addsub_pp	19973165
conj_i	31490153
conjvec	84
divRc	2286461
divRq	301
divTp	3674
div_T_scal	7126850
div_intmod_same	341927
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	23353214
divfq	42
divpT	1204917
divpp	13213602
divqf	63
divrunextu	213274074
fill_ser	5693993
fix_rfrac	207739
gadd	6136878869
gaddsg	270735337
gconj	390135
gdiv	439028894
gdivgs	13000010
gdivgu	60357098
gdivgunextu	1583803
ginv	36582723
gmul	8682251869
gmul2n	143692315
gmulsg	236539492
gmulug	282636570
gred_rfrac2	44825494
gred_rfrac_simple	57796636
gsqr	1183313150
gsub	2886668865
gsubsg	3232742
init_ser	5706368
inv_polmod	189627
is_ext_qfr	98
kro_quad	35
mkpadic_mod	24593674
mulRc	353858842
mulRq	2324
mulTp	4984936
mul_gen_rfrac	161432
mul_intmod_same	2629316
mul_polmod	2674945
mul_polmod_same	8528815
mul_polmod_scal	3238383
mul_rfrac	7910285
mul_rfrac_scal	10454828
mul_scal	154327484
mul_self_scal	7647822
mul_ser_scal	316386
mulcIR	11648026
mulcc	279033059
mulcxI	15630617
mulcxmI	2985931
mulcxpowIs	5564644
mulpp	17503043
mulqf	28
mulqq	1127
mulrfrac	37783852
quad_polmod_conj	18403
quad_polmod_mul	5860097
quad_polmod_norm	18403
rfrac_denom_mul_scal	9959379
ser_add	3581430
ser_normalize	7658
setfrac	14999872
sqr_polmod	419385
sqr_ser_part	112759
sqrq	70
sub_intmod_same	1027929
transtype	154401681
utoi_sign	64530707
warn_coercion	105

Generated by: LCOV version 1.16