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 30318-7d854b8994) Lines: 2080 2301 90.4 %
Date: 2025-06-06 09:19:58 Functions: 218 233 93.6 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
ECP_psi 837
Fl_2gener_pre 178487
Fl_2gener_pre_i 65765
Fl_2powu 4287614
Fl_2powu_pre 12371586
Fl_lgener_pre_all 142347
Fl_log 132374
Fl_log_Fp 0
Fl_log_naive 132374
Fl_log_naive_pre 26260
Fl_log_pre 26658
Fl_order 542747
Fl_powers 296050
Fl_powers_pre 12723184
Fl_powu 139872533
Fl_powu_pre 151541220
Fl_sqrt 12298809
Fl_sqrt_i 12419641
Fl_sqrt_pre 21223816
Fl_sqrt_pre_i 33712764
Fl_sqrtl 0
Fl_sqrtl_pre 223327
Fl_sqrtl_raw 226170
Fl_sqrtn 232519
Fl_sqrtn_pre 232519
FpV_prod 497
Fp_2gener 3208
Fp_2gener_all 5860
Fp_2gener_i 19392
Fp_easylog 8466723
Fp_factored_order 70
Fp_gausssum 309
Fp_invgen 5888956
Fp_invmBarrett 14317
Fp_log 3928361
Fp_log_find_ind 126
Fp_log_find_rel 126
Fp_log_halfgcd 56676
Fp_log_index 63
Fp_log_sieve 63
Fp_log_sieve_worker 30253
Fp_log_use_index 4666023
Fp_order 132166
Fp_pow 36220775
Fp_pow_init 105
Fp_pow_table 43694
Fp_powers 5931
Fp_pows 1346197
Fp_powu 1752937
Fp_rem_mBarrett 8571427
Fp_rootsof1 785
Fp_select_red 871759
Fp_sqrt 4832488
Fp_sqrt_i 4886910
Fp_sqrt_ii 75720
Fp_sqrtn 173541
Fp_sqrts 19211
Qsfcont 3137344
ZMV_producttree 0
ZM_nv_mod_tree 236690
ZM_nv_mod_tree_t 242147
ZT_sqr 13442025
ZVV_nv_mod_tree 5457
ZV_allpnqn 894782
ZV_chinese 5141
ZV_chinese_center 157241
ZV_chinese_tree 39703209
ZV_chinesetree 2599915
ZV_invdivexact 2599916
ZV_nv_mod_tree 1273514
ZV_producttree 2603853
ZV_sqr 2599917
ZXC_nv_mod_tree 4456
ZXM_nv_mod_tree 453
ZXX_nv_mod_tree 86866
ZX_nv_mod_tree 2414787
Z_ZV_mod 0
Z_ZV_mod_tree 57173206
Z_chinese 2142
Z_chinese_all 267614
Z_chinese_coprime 543908
Z_chinese_post 3007269
Z_chinese_pre 271332
Z_factor_listP 350651
Z_nv_mod 0
Zp_order 70
_Fp_add 1175565
_Fp_equal0 260724
_Fp_inv 34307
_Fp_mul 14129989
_Fp_neg 1086846
_Fp_one 47162
_Fp_pow 27873953
_Fp_rand 167
_Fp_red 889913
_Fp_rmul 575346
_Fp_s 19075
_Fp_sqr 8134253
_computeG 837
_gc_upto 112
_mul2_montred 9776606
_mul2_remii 3533561
_mul2_remiibar 1865117
_mul_montred 6728531
_mul_remii 1531734
_mul_remiibar 739262
_psi 1714
_sqr_montred 64181089
_sqr_remii 23731521
_sqr_remiibar 7832165
addifsmooth1 2163
addifsmooth2 83825
bestappr 104906
bestapprPade 119
bestapprPade0 126
bestappr_Q 2246872
bestappr_RgX 119
bestappr_frac 7
bestappr_real 1248868
bestappr_ser 98
check_kernel 63
checkp 2322173
chinese 5495
chinese1 2415
chinese1_coprime_Z 2413804
chinese1_coprime_Z_aux 2191779
compute_nbgen 63
contfrac0 49
contfracpnqn 266
err_oo 56
err_p 161
err_prec 196
factorial_Fl 56831
factorial_Fp 382
fibo 7
gboundcf 3142307
gc_chinese 1015482
gc_empty 42
gcf 126
gcf2 0
gen_chinese 2416219
gener_Zp 259
get_Fp_field 6963
get_PHI 98
gome 5598005
hilbert 62314
hilbertii 140826
icopy_lg 3136994
init_montdata 663239
intmod2polmod 21
is_gener_Fl 1628709
is_gener_Fp 13970
is_gener_expo 4909
istotient 70000
istotient_i 621565
krois 40033
kroiu 27621012
kronecker 11957983
krosi 143239
kross 97704229
kroui 35719
krouodd 178958
krouu 98812493
krouu_s 228151672
lcmii 53359651
lift_intmod 420
lift_padic 210
lucas 56
mod_to_frac 42
mod_to_rfrac 112
mpfact 496572
mphilbertoo 7329
mpprimorial 105
muls_interval 623
mulu_interval 159091
mulu_interval_step 90489
ncV_chinese_center 10221
ncV_chinese_center_tree 5457
ncV_polint_center_tree 1526242
nmV_chinese_center 420758
nmV_chinese_center_tree 0
nmV_chinese_center_tree_seq 142002
nmV_polint_center_tree 420758
nmV_polint_center_tree_seq 142001
nmV_polint_center_tree_worker 990517
nonsquare1_Fl 11616935
nonsquare_Fl 7930
nonsquare_Fp 1413
nxCV_chinese_center 0
nxCV_chinese_center_tree 0
nxCV_polint_center_tree 5190
nxMV_chinese_center 97
nxMV_chinese_center_tree_seq 453
nxMV_polint_center_tree 97
nxMV_polint_center_tree_seq 453
nxMV_polint_center_tree_worker 1007
nxV_chinese_center 422025
nxV_chinese_center_tree 220114
nxV_polint_center_tree 741343
odd_prime_divisors 1812
ome 321243667
opt_param 63
padic2mod 21
pgener_Fl 575243
pgener_Fl_local 1051371
pgener_Fp 44247
pgener_Fp_local 358518
pgener_Zl 205731
pgener_Zp 170975
pnqn 0
polint_chinese 420855
remove2 1812
rootsof1_Fl 215522
rootsof1_Fp 0
rootsof1u_Fp 3033
rt 169813
serPade 49
sersfcont 0
sfcont2 14
sqrt_Cipolla 0
sqrt_Cipolla_msqr 0
sqrt_Cipolla_sqr 0
to_ZX 1202692
tr 59731
u_chinese_coprime 1587268
u_chinese_post 1587277
u_is_gener_expo 531385
u_odd_prime_divisors 464109
u_remove2 464109
znlog 238
znlog_rec 126
znorder 63
znprimroot 329

Generated by: LCOV version 1.16