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 30589-01bb95f8b7) Lines: 1866 1987 93.9 % Date: 2025-12-30 09:21:31 Functions: 105 105 100.0 % Legend: Lines: hit not hit

Function Name	Hit count
Leading_is_neg	57792799
Q_to_Fp	226838
Qdivii	141909050
Qdivis	1592282
Qdiviu	148674167
Zp_nosquare_m1	42
_serprec	7185086
addQp	4762961
addRc	307863696
addRq	1288
addTp	7
add_intmod_same	3344833
add_rfrac	3018271
add_rfrac_scal	8811940
add_scal	42809321
add_ser_scal	414401
addqf	77
addsub_frac	40598410
addsub_frac_i	14120533
addsub_polmod	7203
addsub_polmod_scal	13456507
addsub_pp	19972765
conj_i	31491650
conjvec	84
divRc	2286256
divRq	301
divTp	3674
div_T_scal	7131901
div_intmod_same	341914
div_polmod_same	37016
div_rfrac	1187237
div_rfrac_pol	262344
div_rfrac_scal	32139
div_scal_T	9265322
div_scal_pol	9257079
div_scal_rfrac	37767
div_scal_ser	19096
div_ser	774252
div_ser_scal	1343391
divcR	23352597
divfq	42
divpT	1204917
divpp	13213338
divqf	63
divrunextu	213699367
fill_ser	5715854
fix_rfrac	207739
gadd	6141672042
gaddsg	270740369
gconj	390135
gdiv	439045976
gdivgs	13001616
gdivgu	60367983
gdivgunextu	1583803
ginv	36594551
gmul	8687816712
gmul2n	143714808
gmulsg	236631789
gmulug	282637823
gred_rfrac2	44825557
gred_rfrac_simple	57796888
gsqr	1184077066
gsub	2886994107
gsubsg	3234915
init_ser	5728306
inv_polmod	189689
is_ext_qfr	98
kro_quad	35
mkpadic_mod	24593805
mulRc	354327934
mulRq	2324
mulTp	4984909
mul_gen_rfrac	161432
mul_intmod_same	2629203
mul_polmod	2674945
mul_polmod_same	8529774
mul_polmod_scal	3238985
mul_rfrac	7910299
mul_rfrac_scal	10454863
mul_scal	154329124
mul_self_scal	7650183
mul_ser_scal	321223
mulcIR	11646116
mulcc	279015849
mulcxI	15628218
mulcxmI	2985964
mulcxpowIs	5564600
mulpp	17503149
mulqf	28
mulqq	1127
mulrfrac	37790182
quad_polmod_conj	18403
quad_polmod_mul	5860209
quad_polmod_norm	18403
rfrac_denom_mul_scal	9959106
ser_add	3592942
ser_normalize	7658
setfrac	14999302
sqr_polmod	419385
sqr_ser_part	113207
sqrq	70
sub_intmod_same	1027929
transtype	154402745
utoi_sign	64534695
warn_coercion	105

Generated by: LCOV version 1.16