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 30374-15b900da95) Lines: 2080 2301 90.4 %
Date: 2025-07-08 09:22:12 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
bestappr_ser 98
get_PHI 98
nxMV_chinese_center 104
nxMV_polint_center_tree 104
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
znprimroot 329
Fp_gausssum 363
factorial_Fp 382
lift_intmod 420
ZXM_nv_mod_tree 491
nxMV_chinese_center_tree_seq 491
nxMV_polint_center_tree_seq 491
FpV_prod 497
muls_interval 623
ECP_psi 837
_computeG 837
Fp_rootsof1 846
nxMV_polint_center_tree_worker 1225
nonsquare_Fp 1460
_psi 1714
odd_prime_divisors 1812
remove2 1812
Z_chinese 2142
addifsmooth1 2163
chinese1 2415
rootsof1u_Fp 3033
Fp_2gener 3327
is_gener_expo 4909
ZV_chinese 5141
ZVV_nv_mod_tree 5457
ncV_chinese_center_tree 5457
chinese 5495
ZXC_nv_mod_tree 5634
Fp_2gener_all 5916
Fp_powers 5931
nxCV_polint_center_tree 6585
get_Fp_field 6963
mphilbertoo 7329
nonsquare_Fl 7930
ncV_chinese_center 10550
is_gener_Fp 13946
Fp_invmBarrett 15391
Fp_sqrts 18504
_Fp_s 19075
Fp_2gener_i 19392
Fl_log_naive_pre 28247
Fl_log_pre 28645
Fp_log_sieve_worker 30251
_Fp_inv 34307
kroui 35308
krois 40033
Fp_pow_table 43694
pgener_Fp 44275
_Fp_one 47162
factorial_Fl 56828
Fp_log_halfgcd 57251
tr 59731
hilbert 62314
Fl_2gener_pre_i 65765
istotient 70000
Fp_sqrt_ii 80225
addifsmooth2 83825
ZXX_nv_mod_tree 86887
mulu_interval_step 90612
bestappr 105272
Fp_order 132354
Fl_log 132390
Fl_log_naive 132390
hilbertii 140826
nmV_chinese_center_tree_seq 142260
nmV_polint_center_tree_seq 142260
krosi 143239
Fl_lgener_pre_all 147350
ZV_chinese_center 157256
mulu_interval 159089
rt 169813
pgener_Zp 170989
Fp_sqrtn 173548
krouodd 178547
Fl_2gener_pre 193888
pgener_Zl 205745
rootsof1_Fl 215545
nxV_chinese_center_tree 220228
Fl_sqrtl_pre 231226
Fl_sqrtn 232517
Fl_sqrtn_pre 232517
Fl_sqrtl_raw 234068
ZM_nv_mod_tree 236949
ZM_nv_mod_tree_t 242406
_Fp_equal0 260724
Z_chinese_all 267622
Z_chinese_pre 271340
Fl_powers 296057
Z_factor_listP 350651
pgener_Fp_local 412291
nmV_chinese_center 421483
nmV_polint_center_tree 421483
polint_chinese 421587
nxV_chinese_center 424478
u_odd_prime_divisors 464142
u_remove2 464142
mpfact 496582
Fl_order 542781
Z_chinese_coprime 544030
u_is_gener_expo 545147
pgener_Fl 575248
_Fp_rmul 575346
istotient_i 621565
init_montdata 667614
nxV_polint_center_tree 787142
_mul_remiibar 842213
Fp_select_red 880481
_Fp_red 889913
ZV_allpnqn 894782
nmV_polint_center_tree_worker 998382
gc_chinese 1019011
pgener_Fl_local 1081315
_Fp_neg 1086846
_Fp_add 1175565
to_ZX 1239359
bestappr_real 1267378
ZV_nv_mod_tree 1278250
Fp_pows 1346197
ncV_polint_center_tree 1539142
u_chinese_coprime 1636763
u_chinese_post 1636775
is_gener_Fl 1662689
Fp_powu 1754726
_mul_remii 1824884
_mul2_remiibar 2110968
chinese1_coprime_Z_aux 2253533
bestappr_Q 2280829
ZX_nv_mod_tree 2451918
chinese1_coprime_Z 2460564
gen_chinese 2462980
checkp 2491911
ZV_sqr 2604045
ZV_chinesetree 2604046
ZV_invdivexact 2604046
ZV_producttree 2608711
Z_chinese_post 3069160
icopy_lg 3136994
Qsfcont 3137344
gboundcf 3142307
Fp_log 4259269
_mul2_remii 4307233
Fl_2powu 4358836
Fp_sqrt 4832959
Fp_sqrt_i 4891416
Fp_log_use_index 5039401
gome 5631391
Fp_invgen 6087057
_mul_montred 7092426
_Fp_sqr 8134253
Fp_easylog 8819020
_sqr_remiibar 8881009
Fp_rem_mBarrett 9723222
_mul2_montred 10513823
kronecker 11958426
nonsquare1_Fl 12150655
Fl_sqrt 12414081
Fl_sqrt_i 12534914
Fl_2powu_pre 12673642
Fl_powers_pre 13158810
ZT_sqr 13472734
_Fp_mul 14228419
Fl_sqrt_pre 22700540
_sqr_remii 26674415
kroiu 27627518
_Fp_pow 28602449
Fl_sqrt_pre_i 35308098
Fp_pow 37756919
ZV_chinese_tree 40342077
lcmii 54507382
Z_ZV_mod_tree 57516772
_sqr_montred 67652427
kross 101425454
krouu 101598974
Fl_powu 141503488
Fl_powu_pre 153729240
krouu_s 234660877
ome 330405207

Generated by: LCOV version 1.16