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:

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 - arith1.c (source / functions) Hit Total Coverage
Test: PARI/GP v2.18.1 lcov report (development 30320-d545c59027) Lines: 2080 2301 90.4 %
Date: 2025-06-12 09:19:38 Functions: 218 233 93.6 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl_log_Fp 0
Fl_sqrtl 0
ZMV_producttree 0
Z_ZV_mod 0
Z_nv_mod 0
gcf2 0
nmV_chinese_center_tree 0
nxCV_chinese_center 0
nxCV_chinese_center_tree 0
pnqn 0
rootsof1_Fp 0
sersfcont 0
sqrt_Cipolla 0
sqrt_Cipolla_msqr 0
sqrt_Cipolla_sqr 0
bestappr_frac 7
fibo 7
sfcont2 14
intmod2polmod 21
padic2mod 21
gc_empty 42
mod_to_frac 42
contfrac0 49
serPade 49
err_oo 56
lucas 56
Fp_log_index 63
Fp_log_sieve 63
check_kernel 63
compute_nbgen 63
opt_param 63
znorder 63
Fp_factored_order 70
Zp_order 70
nxMV_chinese_center 97
nxMV_polint_center_tree 97
bestappr_ser 98
get_PHI 98
Fp_pow_init 105
mpprimorial 105
_gc_upto 112
mod_to_rfrac 112
bestapprPade 119
bestappr_RgX 119
Fp_log_find_ind 126
Fp_log_find_rel 126
bestapprPade0 126
gcf 126
znlog_rec 126
err_p 161
_Fp_rand 167
err_prec 196
lift_padic 210
znlog 238
gener_Zp 259
contfracpnqn 266
Fp_gausssum 309
znprimroot 329
factorial_Fp 382
lift_intmod 420
ZXM_nv_mod_tree 453
nxMV_chinese_center_tree_seq 453
nxMV_polint_center_tree_seq 453
FpV_prod 497
muls_interval 623
Fp_rootsof1 785
ECP_psi 837
_computeG 837
nxMV_polint_center_tree_worker 1008
nonsquare_Fp 1413
_psi 1714
odd_prime_divisors 1812
remove2 1812
Z_chinese 2142
addifsmooth1 2163
chinese1 2415
rootsof1u_Fp 3033
Fp_2gener 3208
ZXC_nv_mod_tree 4456
is_gener_expo 4909
ZV_chinese 5141
nxCV_polint_center_tree 5190
ZVV_nv_mod_tree 5457
ncV_chinese_center_tree 5457
chinese 5495
Fp_2gener_all 5860
Fp_powers 5931
get_Fp_field 6961
mphilbertoo 7329
nonsquare_Fl 7930
ncV_chinese_center 10221
is_gener_Fp 13951
Fp_invmBarrett 14317
_Fp_s 19073
Fp_sqrts 19212
Fp_2gener_i 19392
Fl_log_naive_pre 26295
Fl_log_pre 26693
Fp_log_sieve_worker 30254
_Fp_inv 34301
kroui 35700
krois 40033
Fp_pow_table 43694
pgener_Fp 44247
_Fp_one 47162
Fp_log_halfgcd 56391
factorial_Fl 56838
tr 59731
hilbert 62314
Fl_2gener_pre_i 65765
istotient 70000
Fp_sqrt_ii 75718
addifsmooth2 83825
ZXX_nv_mod_tree 86866
mulu_interval_step 90595
bestappr 104840
Fp_order 132167
Fl_log 132375
Fl_log_naive 132375
hilbertii 140826
nmV_chinese_center_tree_seq 141998
nmV_polint_center_tree_seq 141998
Fl_lgener_pre_all 142306
krosi 143239
ZV_chinese_center 157233
mulu_interval 159092
rt 169813
pgener_Zp 170975
Fp_sqrtn 173541
Fl_2gener_pre 178452
krouodd 178939
pgener_Zl 205731
rootsof1_Fl 215522
nxV_chinese_center_tree 220111
Fl_sqrtl_pre 223291
Fl_sqrtl_raw 226132
Fl_sqrtn 232522
Fl_sqrtn_pre 232522
ZM_nv_mod_tree 236688
ZM_nv_mod_tree_t 242145
_Fp_equal0 260711
Z_chinese_all 267627
Z_chinese_pre 271345
Fl_powers 296050
Z_factor_listP 350651
pgener_Fp_local 358505
nmV_chinese_center 420772
nmV_polint_center_tree 420772
polint_chinese 420869
nxV_chinese_center 422021
u_odd_prime_divisors 464098
u_remove2 464098
mpfact 496575
u_is_gener_expo 531367
Fl_order 542748
Z_chinese_coprime 543765
pgener_Fl 575226
_Fp_rmul 575252
istotient_i 621565
init_montdata 663236
_mul_remiibar 739262
nxV_polint_center_tree 741247
Fp_select_red 871826
_Fp_red 889818
ZV_allpnqn 894782
nmV_polint_center_tree_worker 990447
gc_chinese 1015484
pgener_Fl_local 1051342
_Fp_neg 1086813
_Fp_add 1175498
to_ZX 1202736
bestappr_real 1241063
ZV_nv_mod_tree 1273532
Fp_pows 1346199
ncV_polint_center_tree 1526152
_mul_remii 1547331
u_chinese_coprime 1587174
u_chinese_post 1587187
is_gener_Fl 1628655
Fp_powu 1752922
_mul2_remiibar 1865117
chinese1_coprime_Z_aux 2191779
bestappr_Q 2236985
checkp 2316877
chinese1_coprime_Z 2413839
ZX_nv_mod_tree 2414834
gen_chinese 2416254
ZV_chinesetree 2599902
ZV_invdivexact 2599906
ZV_sqr 2599908
ZV_producttree 2603843
Z_chinese_post 3007135
icopy_lg 3136994
Qsfcont 3137344
gboundcf 3142307
_mul2_remii 3538192
Fp_log 3928368
Fl_2powu 4287416
Fp_log_use_index 4666021
Fp_sqrt 4832504
Fp_sqrt_i 4886925
gome 5598105
Fp_invgen 5888251
_mul_montred 6730486
_sqr_remiibar 7832165
_Fp_sqr 8134253
Fp_easylog 8466690
Fp_rem_mBarrett 8571427
_mul2_montred 9783915
nonsquare1_Fl 11620727
kronecker 11957971
Fl_sqrt 12297330
Fl_2powu_pre 12375989
Fl_sqrt_i 12418046
Fl_powers_pre 12719820
ZT_sqr 13442020
_Fp_mul 14130127
Fl_sqrt_pre 21218277
_sqr_remii 23764562
kroiu 27617006
_Fp_pow 27873952
Fl_sqrt_pre_i 33708740
Fp_pow 36220732
ZV_chinese_tree 39715880
lcmii 53354482
Z_ZV_mod_tree 57179126
_sqr_montred 64202038
kross 97704232
krouu 98814858
Fl_powu 139881037
Fl_powu_pre 151579704
krouu_s 228150863
ome 321266215

Generated by: LCOV version 1.16