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 30462-6c568f4018) Lines: 1554 1658 93.7 % Date: 2025-08-10 09:24:05 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
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	35087
gequalsg	43988
cx_approx_equal	49981
vecmax	66201
gmax	79310
cmprfrac	81350
z_lvalrem	87345
gpexponent	90208
ZX_pval	101289
gen_pval	132194
u_pval	136860
minval	137186
vecmin0	147255
_Fp_div	163005
vecindexmin	181912
vecmax0	226786
frac_val	292596
col_test	294560
lexcmp_similar	372030
frac_lval	381872
padic_to_Fl	421682
cmpifrac	455590
vecindexmax	503183
cvtop	600514
listput0	724955
ZX_lval	748784
gcmpsg	762294
gen_2val	773487
listput	776125
ensure_nb	810971
gen_lval	870660
z_pval	1318001
gvaluation	1399767
polidentical	1528749
lexcmp	1616258
lexcmp_i	1616258
r_approx0	1809817
z_lval	1844060
factorial_lval	1993516
Z_pvalrem_DC	2184872
_domul	2258887
gassoc_proto	2463041
cx_approx0	2558740
u_pvalrem	2626482
gequal_try	3192937
roughtype	3232858
cmp_str	3681020
ZV_pvalrem	4173309
ZX_pvalrem	4303774
cmpfrac	4589722
gen_2valrem	4911771
glength	5148693
vecidentical	5438028
vecequal	5528610
Q_lvalrem	6302716
Q_pvalrem	6304312
gen_lvalrem	8464919
gen_pvalrem	8477078
gequalX	8485615
Q_pval	9341955
Q_lval	9346154
polequal	12730205
normalizeser	13353884
isless_iu	15005741
itop2_coprime	17612240
cvtop2	17619053
is_monomial_test	22661221
map_proto_lG	37249430
cmp_universal_rec	39264637
Z_pval	49639519
gabs	53898899
gidentical	54817431
gisexactzero	57213033
Z_lvalrem	64383099
Z_pvalrem	68793037
Z_lval	69005783
u_lval	70691760
gequalm1	74233123
gsigne	81209397
cmp_universal	88944924
u_lvalrem	89561604
normalizepol	99421906
Z_lvalrem_stop	116976764
gneg_i	129757695
u_lvalrem_stop	135569340
gequal	243491798
gcmp	298727558
gequal1	341875731
gneg	465130028
isexactzero	575955026
isrationalzero	768547588
gexpo	841727648
gexpo_safe	842014506
normalizepol_lg	937999886
gequal0	2497639688

Generated by: LCOV version 1.16