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 30365-beea1ff998) Lines: 2080 2301 90.4 %
Date: 2025-07-02 09:21:24 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 1223
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 6583
get_Fp_field 6963
mphilbertoo 7329
nonsquare_Fl 7930
ncV_chinese_center 10550
is_gener_Fp 13952
Fp_invmBarrett 15391
Fp_sqrts 18505
_Fp_s 19075
Fp_2gener_i 19392
Fl_log_naive_pre 28240
Fl_log_pre 28638
Fp_log_sieve_worker 30246
_Fp_inv 34307
kroui 35314
krois 40033
Fp_pow_table 43694
pgener_Fp 44275
_Fp_one 47162
Fp_log_halfgcd 56289
factorial_Fl 56841
tr 59731
hilbert 62314
Fl_2gener_pre_i 65765
istotient 70000
Fp_sqrt_ii 80230
addifsmooth2 83825
ZXX_nv_mod_tree 86888
mulu_interval_step 90576
bestappr 105289
Fp_order 132355
Fl_log 132390
Fl_log_naive 132390
hilbertii 140826
nmV_chinese_center_tree_seq 142262
nmV_polint_center_tree_seq 142262
krosi 143239
Fl_lgener_pre_all 147359
ZV_chinese_center 157261
mulu_interval 159089
rt 169813
pgener_Zp 170989
Fp_sqrtn 173548
krouodd 178553
Fl_2gener_pre 193903
pgener_Zl 205745
rootsof1_Fl 215544
nxV_chinese_center_tree 220229
Fl_sqrtl_pre 231234
Fl_sqrtn 232513
Fl_sqrtn_pre 232514
Fl_sqrtl_raw 234075
ZM_nv_mod_tree 236950
ZM_nv_mod_tree_t 242407
_Fp_equal0 260724
Z_chinese_all 267623
Z_chinese_pre 271341
Fl_powers 296057
Z_factor_listP 350651
pgener_Fp_local 412297
nmV_chinese_center 421492
nmV_polint_center_tree 421492
polint_chinese 421596
nxV_chinese_center 424479
u_odd_prime_divisors 464147
u_remove2 464147
mpfact 496581
Fl_order 542782
Z_chinese_coprime 544220
u_is_gener_expo 545154
pgener_Fl 575263
_Fp_rmul 575346
istotient_i 621565
init_montdata 667622
nxV_polint_center_tree 787069
_mul_remiibar 842213
Fp_select_red 880472
_Fp_red 889913
ZV_allpnqn 894782
nmV_polint_center_tree_worker 998414
gc_chinese 1019027
pgener_Fl_local 1081323
_Fp_neg 1086846
_Fp_add 1175565
to_ZX 1239195
bestappr_real 1271484
ZV_nv_mod_tree 1278253
Fp_pows 1346198
ncV_polint_center_tree 1539179
u_chinese_coprime 1636554
u_chinese_post 1636567
is_gener_Fl 1662692
Fp_powu 1754732
_mul_remii 1816865
_mul2_remiibar 2110968
chinese1_coprime_Z_aux 2253533
bestappr_Q 2285159
ZX_nv_mod_tree 2451798
chinese1_coprime_Z 2460580
gen_chinese 2462995
checkp 2490494
ZV_invdivexact 2604062
ZV_sqr 2604063
ZV_chinesetree 2604064
ZV_producttree 2608727
Z_chinese_post 3069354
icopy_lg 3136994
Qsfcont 3137344
gboundcf 3142307
Fp_log 4259275
_mul2_remii 4279710
Fl_2powu 4358666
Fp_sqrt 4832942
Fp_sqrt_i 4891408
Fp_log_use_index 5039416
gome 5631320
Fp_invgen 6086862
_mul_montred 7092201
_Fp_sqr 8134253
Fp_easylog 8819027
_sqr_remiibar 8881009
Fp_rem_mBarrett 9723222
_mul2_montred 10512297
kronecker 11958437
nonsquare1_Fl 12154655
Fl_sqrt 12412708
Fl_sqrt_i 12533537
Fl_2powu_pre 12677960
Fl_powers_pre 13156113
ZT_sqr 13472883
_Fp_mul 14228260
Fl_sqrt_pre 22696265
_sqr_remii 26613269
kroiu 27624651
_Fp_pow 28602486
Fl_sqrt_pre_i 35301544
Fp_pow 37757028
ZV_chinese_tree 40332688
lcmii 54511083
Z_ZV_mod_tree 57507575
_sqr_montred 67676405
kross 101425455
krouu 101618754
Fl_powu 141641560
Fl_powu_pre 153595484
krouu_s 234679963
ome 330446126

Generated by: LCOV version 1.16