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 - gen2.c (source / functions) Hit Total Coverage Test: PARI/GP v2.18.1 lcov report (development 30401-87099e65a6) Lines: 1554 1658 93.7 % Date: 2025-07-18 09:23:12 Functions: 149 156 95.5 % Legend: Lines: hit not hit

Function Name	Hit count
ZV_lval	0
ZV_lvalrem	0
ZXV_pvalrem	0
gmaxgs	0
gmings	0
is_negative	0
normalizepol_approx	0
sizedigit	7
ctop	14
seridentical	14
lexcmp_s_matvec	21
listsort	21
gmequal_try	28
lexcmp_scal_vecsmall	42
lexcmp_vecsmall_mat	42
lexcmpgs	42
qtop	42
mkmap	49
listpop0	56
mklistcopy	63
closure_identical	70
gtolong	77
intdvd	91
lexcmp_vec_mat	98
gcvtop	126
map_proto_lGL	126
lexcmp_vecsmall_vec	154
cmpgen	161
chk_true_err	189
lexcmp_vecsmall_other	196
quadtofp	252
lexcmpsg	343
list_cmp	343
lexcmp_scal_matvec	357
cvstop2	399
z_pvalrem	399
serequal	420
map_proto_G	462
cmp_str	672
ZX_lvalrem	721
ZXX_pvalrem	1190
ZX_gen_pvalrem	1190
ZV_Z_dvd	1309
identicalrr	1547
matsize	1862
affgc	2590
gtranslength	3878
gpvaluation	3934
padic_to_Fp	4298
gen_z_divides	4935
gtolist	5930
mklist	6835
gen_Z_divides	6859
mklist_typ	6891
gen_pvalrem_DC	11756
gmin	12306
mat_test	16366
listpop	21917
zx_lval	28931
ZV_pval	30905
listinsert	35014
listinsert0	35028
vecmin	35045
gequalsg	43988
cx_approx_equal	49981
vecmax	66205
gmax	79310
cmprfrac	81259
z_lvalrem	87349
gpexponent	89998
ZX_pval	101289
gen_pval	132194
u_pval	136825
minval	137186
vecmin0	147213
_Fp_div	163004
vecindexmin	181870
vecmax0	226790
frac_val	292596
col_test	294560
lexcmp_similar	372031
frac_lval	381353
padic_to_Fl	421688
cmpifrac	455548
vecindexmax	503186
cvtop	600508
listput0	724955
ZX_lval	748784
gen_2val	773487
listput	776125
gcmpsg	790992
ensure_nb	810971
gen_lval	870660
z_pval	1318008
gvaluation	1399767
polidentical	1528749
lexcmp	1616258
lexcmp_i	1616258
r_approx0	1809507
z_lval	1844033
factorial_lval	1992874
Z_pvalrem_DC	2142300
_domul	2267051
gassoc_proto	2466620
cx_approx0	2558348
u_pvalrem	2626271
gequal_try	3192937
roughtype	3232859
ZV_pvalrem	4173286
ZX_pvalrem	4303561
cmpfrac	4589603
gen_2valrem	4911550
glength	5148686
vecidentical	5438080
vecequal	5528444
Q_lvalrem	6302679
Q_pvalrem	6304276
gen_lvalrem	8464659
gen_pvalrem	8476842
gequalX	8485610
Q_pval	9341389
Q_lval	9345588
polequal	12730211
normalizeser	13353870
isless_iu	15001047
itop2_coprime	17611888
cvtop2	17619352
is_monomial_test	22661163
map_proto_lG	37232704
cmp_universal_rec	39264980
Z_pval	47459148
gabs	53868856
gidentical	54817637
gisexactzero	57212978
Z_lval	63198487
Z_lvalrem	63581518
u_lval	66480898
Z_pvalrem	67949285
gequalm1	74233087
gsigne	80785974
cmp_universal	85265524
u_lvalrem	88310207
normalizepol	99403990
Z_lvalrem_stop	117137254
gneg_i	129544651
u_lvalrem_stop	134362299
gequal	243033728
gcmp	298805534
gequal1	341423752
gneg	465134036
isexactzero	575886801
isrationalzero	768479697
gexpo	840529789
gexpo_safe	840822973
normalizepol_lg	937829523
gequal0	2493984990

Generated by: LCOV version 1.16