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 - polarit3.c (source / functions) Hit Total Coverage Test: PARI/GP v2.18.1 lcov report (development 30640-c2c58e18c5) Lines: 1903 2156 88.3 % Date: 2026-01-27 08:51:18 Functions: 205 225 91.1 % Legend: Lines: hit not hit

Function Name	Hit count
Fl_chinese_coprime	5145568
FlxX_pseudorem	7641
FlxX_resultant	0
FlxX_resultant_polint	1077463
FlxX_resultant_pre	0
FlxX_resultant_subres	2559
FlxY_eval_resultant	4177142
FlxY_evalx_drop	2098121
FlxY_to_FlyX	6169
Flx_FlxY_eval_resultant	5192938
Flx_FlxY_resultant	6170
Flx_FlxY_resultant_polint	310632
Flx_Lazard	2009
Flx_resultant_all	2075096
Flx_resultant_set_dglist	23038
FpXC_center	5467
FpXM_center	1800
FpXQX_FpXQ_translate	33887
FpXQX_FpXQ_translate_basecase	33887
FpXQX_XpN_powu	0
FpXQX_normalize	10643
FpXV_FpC_mul	851487
FpXV_composedsum	1588
FpXY_FpXQ_evaly	2072
FpX_FpXY_eval_resultant	284
FpX_FpXY_resultant	15
FpX_Fp_translate	1134
FpX_Fp_translate_basecase	700
FpX_composedprod	0
FpX_composedsum	93
Fp_XpN_powu	434
FqC_FqV_mul	105
FqC_Fq_mul	0
FqC_add	0
FqC_red	21946
FqC_sub	0
FqC_to_FlxqC	78413
FqM_add	0
FqM_red	1701
FqM_sub	0
FqM_to_FlxqM	8510
FqV_red	102723
FqV_roots_to_pol	11147
FqXQ_matrix_pow	0
FqXQ_powers	0
FqXY_eval	14623
FqXY_evalx	97391
FqX_Fq_add	55832
FqX_Fq_mul_to_monic	149046
FqX_Fq_sub	1059
FqX_Fq_translate	33880
FqX_eval	364595
Fq_Fp_mul	43831
Fq_add	11499430
Fq_div	343791
Fq_halve	81417
Fq_inv	62756
Fq_invsafe	0
Fq_mul	8419732
Fq_mulu	490241
Fq_neg	1029604
Fq_neg_inv	0
Fq_pow	731101
Fq_powu	15050
Fq_sqr	600515
Fq_sqrt	1893010
Fq_sqrtn	170786
Fq_sub	8553976
QXQ_charpoly	9793
QXQ_div	28791
QXQ_div_slice	116274
QXQ_div_worker	116275
QXQ_intnorm	0
QXQ_inv	139675
QXQ_inv_slice	204849
QXQ_inv_worker	204849
QXQ_mul	813652
QXQ_norm	19418
QXQ_sqr	404488
QX_disc	7
QX_resultant	56
RgC_to_FpC	1751090
RgC_to_FqC	219128
RgM_is_FpM	0
RgM_to_Flm	118296
RgM_to_FpM	222349
RgM_to_FqM	52325
RgV_is_FpV	0
RgV_to_Flv	369001
RgV_to_FpV	140
RgX_RgXY_ResBound	8057
RgX_RgXY_ResBound_1	854
RgX_is_FpX	27139760
RgX_is_FpXQX	3395
RgX_is_ZXX	1940442
RgX_norml1_1	3283
RgX_to_FpX	3333887
RgX_to_FpXQX	5105
RgX_to_FqX	49186
Rg_is_Fp	69387893
Rg_is_FpXQ	60900
Rg_to_Fp	52328008
Rg_to_FpXQ	1291986
ZM_incremental_CRT	7757
ZM_init_CRT	5955
ZXM_incremental_CRT	653
ZXM_init_CRT	679
ZXQX_composedsum	315
ZXQX_composedsum_bound	315
ZXQX_composedsum_slice	359
ZXQX_composedsum_worker	359
ZXQX_disc_all	3881
ZXQX_resultant_all	3944
ZXQX_resultant_bound	3947
ZXQX_resultant_bound_i	4262
ZXQX_resultant_prime	10954
ZXQX_resultant_slice	4859
ZXQX_resultant_worker	4859
ZXQ_charpoly	1150414
ZXQ_charpoly_sqf	21411
ZXQ_minpoly	1701
ZXQ_minpoly_slice	3523
ZXQ_minpoly_worker	3523
ZXX_ResBound	970061
ZXX_is_sparse	1940178
ZXX_resultant	970096
ZXX_resultant_interp	970062
ZXX_resultant_prime	1077462
ZXX_resultant_slice	975359
ZXX_resultant_worker	975360
ZX_ZXY_ResBound	135680
ZX_ZXY_ResBound_1	9716
ZX_ZXY_resultant	51013
ZX_ZXY_resultant_LERS	17030
ZX_ZXY_resultant_all	28453
ZX_ZXY_resultant_prime	307024
ZX_ZXY_resultant_slice	96716
ZX_ZXY_resultant_worker	96716
ZX_ZXY_rnfequation	33009
ZX_ZXY_rnfequation_lambda	12970
ZX_composedsum	385
ZX_composedsum_i	9716
ZX_composedsum_slice	9814
ZX_composedsum_worker	9814
ZX_compositum	9333
ZX_compositum_lambda	9333
ZX_disc	1052879
ZX_disc_all	1082267
ZX_discbound	1049693
ZX_incremental_CRT	0
ZX_incremental_CRT_raw	146399
ZX_init_CRT	30513
ZX_norml1	1223827
ZX_norml1_1	30148
ZX_resultant	53450
ZX_resultant_all	1226359
ZX_resultant_prime	3735963
ZX_resultant_slice	1407148
ZX_resultant_worker	1407154
Z_incremental_CRT	7525
Z_init_CRT	357
_FpX_composedsum	93
_Fq_add	362523
_Fq_equal0	38388
_Fq_inv	9331
_Fq_mul	243341
_Fq_neg	315028
_Fq_red	303247
_Fq_s	4151
_ZXQ_powu	56
addii_abs	23260
char_update_int	6594
char_update_prime	1225
charact	177338
charact_res	4739
characteristic	28014
checkmap	2261
err_compo	84
ffcompomap	420
ffeltmap_i	2709
ffeltmaprel_i	252
ffembed	189
ffextend	91
fffrobenius	42
ffinit	567
ffinit_Artin_Schreier	966
ffinit_Artin_Schreier_2	609
ffinit_fact	1588
ffinit_fact_Flx	28972
ffinit_rand	0
ffinvmap	133
ffmap	1036
ffmap_i	4459
ffmaprel	252
ffmaprel_i	252
ffnbirred	3178
ffnbirred0	140
ffpartmapimage	1260
ffsumnbirred	616
flinit	31888
flinit_check	149433
fpinit	1681
fpinit_check	7325
gen_crt	2134121
gen_inccrt	2890289
gen_inccrt_i	8349857
get_Fq_field	4725
init_Flxq	0
init_Flxq_i	52924
init_Fq	54613
init_Fq_i	55180
log2N2	145391
monomial	13328494
monomialcopy	157969
nfX_disc	4112
nfX_resultant	119
nf_direct_compositum	315
pol_x_powers	311220
primelist	8926154
resbound	2075786
residual_characteristic	329
sqrN2	8911
swap_vars	84999
to_ZX	246
vecbinomial_Fp	0

Generated by: LCOV version 1.16