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 30536-6f6fcf9613) Lines: 1865 1987 93.9 % Date: 2025-11-05 09:21:39 Functions: 105 105 100.0 % Legend: Lines: hit not hit

Function Name	Hit count
Leading_is_neg	57792547
Q_to_Fp	226838
Qdivii	141940424
Qdivis	1592133
Qdiviu	148700543
Zp_nosquare_m1	42
_serprec	7162062
addQp	4762947
addRc	307230762
addRq	1288
addTp	7
add_intmod_same	3344830
add_rfrac	3018271
add_rfrac_scal	8811954
add_scal	42804816
add_ser_scal	408206
addqf	77
addsub_frac	40598888
addsub_frac_i	14120854
addsub_polmod	7203
addsub_polmod_scal	13455135
addsub_pp	19972982
conj_i	31490405
conjvec	84
divRc	2286556
divRq	301
divTp	3674
div_T_scal	7126805
div_intmod_same	341912
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	23353497
divfq	42
divpT	1204917
divpp	13213567
divqf	63
divrunextu	213261646
fill_ser	5693993
fix_rfrac	207739
gadd	6137735081
gaddsg	270735313
gconj	390135
gdiv	439031931
gdivgs	13000028
gdivgu	60357121
gdivgunextu	1583803
ginv	36583829
gmul	8683351619
gmul2n	143696108
gmulsg	236542835
gmulug	282636570
gred_rfrac2	44825494
gred_rfrac_simple	57796636
gsqr	1183326826
gsub	2886682366
gsubsg	3232747
init_ser	5706368
inv_polmod	189625
is_ext_qfr	98
kro_quad	35
mkpadic_mod	24593822
mulRc	353929534
mulRq	2324
mulTp	4984914
mul_gen_rfrac	161432
mul_intmod_same	2629194
mul_polmod	2674945
mul_polmod_same	8528815
mul_polmod_scal	3238383
mul_rfrac	7910285
mul_rfrac_scal	10454828
mul_scal	154327855
mul_self_scal	7647628
mul_ser_scal	316386
mulcIR	11648625
mulcc	279036466
mulcxI	15630756
mulcxmI	2985913
mulcxpowIs	5564035
mulpp	17503136
mulqf	28
mulqq	1127
mulrfrac	37784761
quad_polmod_conj	18403
quad_polmod_mul	5860097
quad_polmod_norm	18403
rfrac_denom_mul_scal	9959379
ser_add	3581430
ser_normalize	7658
setfrac	14999819
sqr_polmod	419385
sqr_ser_part	112759
sqrq	70
sub_intmod_same	1027929
transtype	154401681
utoi_sign	64531109
warn_coercion	105

Generated by: LCOV version 1.16