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 - headers - pariinl.h (source / functions) Hit Total Coverage
Test: PARI/GP v2.18.1 lcov report (development 30571-c0dfe82732) Lines: 1420 1532 92.7 %
Date: 2025-12-05 09:21:30 Functions: 648 704 92.0 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
F2m_clear 0
F2m_coeff 8039561
F2m_copy 200563
F2m_flip 1554224
F2m_set 798
F2v_clear 12357642
F2v_coeff 661336227
F2v_copy 4487
F2v_ei 42
F2v_flip 1554224
F2v_set 101405792
F2v_to_F2x 37846
F2xX_shift 0
F2x_clear 12357629
F2x_coeff 667885837
F2x_copy 60462468
F2x_div 1570777
F2x_equal 4661001
F2x_equal1 2874002
F2x_flip 1554224
F2x_renormalize 115170841
F2x_set 124712454
F2xqX_div 33173
F3m_coeff 3256666
F3m_copy 0
F3m_set 0
Flm_copy 6435543
Flm_row 8741862
Flv_copy 2555291
Flx_constant 333988
Flx_copy 173800183
Flx_div 1999207
Flx_div_pre 21713997
Flx_equal1 8331191
Flx_lead 980498
Flx_mulu 1105316
FlxqX_div 0
FlxqX_div_pre 165408
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693224
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5583134
FpX_renormalize 144584399
Fp_add 181575622
Fp_addmul 11393330
Fp_center 77172471
Fp_center_i 18041406
Fp_div 15034984
Fp_divu 15129446
Fp_double 22329674
Fp_halve 247348
Fp_inv 23444563
Fp_invsafe 1100569
Fp_mul 201085051
Fp_muls 17780
Fp_mulu 67740582
Fp_neg 31480045
Fp_red 82089097
Fp_sqr 64595659
Fp_sub 203569266
FqXQ_add 0
FqXQ_div 0
FqXQ_inv 0
FqXQ_invsafe 0
FqXQ_mul 22766
FqXQ_pow 0
FqXQ_sqr 0
FqXQ_sub 0
FqX_Fp_mul 572217
FqX_Fq_mul 427291
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38567
FqX_div_by_X_x 69629
FqX_divrem 0
FqX_extgcd 445097
FqX_factor 141079
FqX_factor_squarefree 7
FqX_gcd 8288
FqX_get_red 6090
FqX_halfgcd 0
FqX_halve 19411
FqX_integ 0
FqX_is_squarefree 683802
FqX_mul 367827
FqX_mulu 21942
FqX_neg 24956
FqX_normalize 4144
FqX_powu 1295
FqX_red 25354
FqX_rem 37743
FqX_roots 7273
FqX_sqr 71855
FqX_sub 68607
FqX_to_mod 175
FqXn_exp 0
FqXn_expint 6590
FqXn_inv 7126
FqXn_mul 263403
FqXn_sqr 0
Fq_red 3106343
Fq_to_FpXQ 73792
GENbinbase 964581092
QV_isscalar 54418615
Q_abs 8064418
Q_abs_shallow 120247
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622147
RgC_gtofp 34044098
RgC_gtomp 574
RgM_dimensions 9742691
RgM_fpnorml2 22793
RgM_gtofp 8260043
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22179542
RgV_gtofp 56
RgV_is_QV 140786
RgV_is_ZV 32167333
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210306
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103409442
RgX_div 7000740
RgX_equal_var 26883211
RgX_fpnorml2 61627
RgX_gtofp 7147974
RgX_is_QX 400152
RgX_is_ZX 22426238
RgX_is_monomial 1331758
RgX_is_rational 68323
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479399
RgX_shift_inplace_init 479399
RgX_to_RgV 140
Rg_col_ei 1451744
Rg_to_Fq 756
ZC_hnfrem 10696791
ZM_ZV_mod 596670
ZM_hnfrem 363874
ZM_lll 7117989
ZV_ZV_mod 8131636
ZV_dvd 23485
ZV_isscalar 23235890
ZV_to_zv 3211421
ZXQ_mul 2162243
ZXQ_sqr 961147
ZX_equal1 12893
ZX_is_monic 7376197
ZX_renormalize 155056179
Z_ispower 98
Z_issquare 458925
abgrp_get_cyc 12231342
abgrp_get_gen 1765114
abgrp_get_no 355201
absfrac 46644934
absfrac_shallow 28237
addmuliu 535773
addmuliu_inplace 59707877
affc_fixlg 249622
affgr 898866
bid_get_MOD 2157280
bid_get_U 3680259
bid_get_arch 41188
bid_get_archp 2397119
bid_get_cyc 5739819
bid_get_fact 2498976
bid_get_fact2 2201600
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804672
bid_get_ideal 72842
bid_get_mod 1521921
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2158017
bin_copy 497447011
bit_accuracy 3163393669
bit_accuracy_mul 3175472
bit_prec 142850698
bnf_get_clgp 5375652
bnf_get_cyc 3686696
bnf_get_fu 25859
bnf_get_fu_nocheck 289093
bnf_get_gen 1680407
bnf_get_logfu 2874826
bnf_get_nf 9865076
bnf_get_no 8379
bnf_get_reg 648
bnf_get_sunits 1367847
bnf_get_tuN 283011
bnf_get_tuU 303589
bnr_get_bid 2046140
bnr_get_bnf 3751395
bnr_get_clgp 2830261
bnr_get_cyc 2522589
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77146
bnr_get_nf 1368167
bnr_get_no 277503
both_odd 123883651
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975459
cgiv 102280742
checkell_i 5593310
closure_arity 371559742
closure_codestr 321696412
closure_get_code 0
closure_get_data 321643547
closure_get_dbg 13621
closure_get_frame 14174035
closure_get_oper 321672314
closure_get_text 37051
closure_is_variadic 44827153
col_ei 5927020
coltrunc_init 740250
const_col 9730293
const_vec 34489922
const_vecsmall 19711847
constant_coeff 1441408
cxcompotor 18225755
cxnorm 91224902
cxtofp 9087041
cxtoreal 337205
cyc_get_expo 2757856
cyclic_perm 99911
dbllog2r 92835150
degpol 5498146951
div_content 58573
divsBIL 8096511375
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997083
ell_get_a2 7106181
ell_get_a3 8814051
ell_get_a4 8536722
ell_get_a6 10370960
ell_get_b2 7371032
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11017705
ell_get_c6 13473947
ell_get_disc 16814556
ell_get_j 2126227
ell_get_type 12499285
ell_is_inf 52450211
ellff_get_a4a6 800029
ellff_get_field 2036856
ellinf 1869547
ellnf_get_bnf 126
ellnf_get_nf 2027628
equali1 1175715572
equalim1 139505897
err_get_compo 294
err_get_num 62522
gaddgs 123248655
gal_get_den 27881
gal_get_e 91
gal_get_gen 15449
gal_get_group 80402
gal_get_invvdm 27888
gal_get_mod 23772
gal_get_orders 6678
gal_get_p 6020
gal_get_pol 36344
gal_get_roots 32760
gc_GEN 256208834
gc_INT 4109970478
gc_INT_affii 8494122
gc_all 110027137
gc_leaf 1132263733
gc_slice 2205197
gc_upto 1951247292
gchar_copy_precs 1225
gchar_get_DLdata 190673
gchar_get_S 36995
gchar_get_U 0
gchar_get_Ui 10983
gchar_get_basis 32816
gchar_get_bnf 205373
gchar_get_cyc 16177
gchar_get_evalprec 4011
gchar_get_hnf 0
gchar_get_loccyc 50519
gchar_get_m0 3318
gchar_get_mod 8225
gchar_get_modP 4095
gchar_get_nalg 2044
gchar_get_nc 37261
gchar_get_nf 243946
gchar_get_nfprec 13468
gchar_get_nfree 322
gchar_get_nm 1869
gchar_get_ns 36995
gchar_get_ntors 322
gchar_get_prec 18795
gchar_get_r1 17444
gchar_get_r2 623
gchar_get_sfu 1743
gchar_get_u0 4252
gchar_get_zm 281911
gchar_set_HUUi 630
gchar_set_basis 1575
gchar_set_cyc 1575
gchar_set_evalprec 1813
gchar_set_m0 945
gchar_set_nalg 630
gchar_set_nf 2110
gchar_set_nfprec 2968
gchar_set_nfree 630
gchar_set_ntors 630
gchar_set_prec 1225
gchar_set_u0 2121
gcmpgs 761917
gdivsg 531590
gen_I 1269831
gener_Fq_local 29945
gequalgs 29176
get_F2x_degree 1928989
get_F2x_mod 2499168
get_F2x_var 2534133
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82285815
get_Flx_mod 25609757
get_Flx_var 68415075
get_FlxqX_degree 317565
get_FlxqX_mod 8033
get_FlxqX_var 264420
get_FpXQX_degree 3589
get_FpXQX_mod 146583
get_FpXQX_var 51630
get_FpX_degree 6424911
get_FpX_mod 3394577
get_FpX_var 6958090
gisdouble 2993357
gmax_shallow 13510226
gmaxsg 0
gmin_shallow 878406
gminsg 0
gmulgs 22587690
gmulgu 282059385
gsubgs 1724807
gtodouble 60804957
gtofp 254396463
gtomp 22428
gtos 85854575
gtou 98315
guncloneNULL 48235387
guncloneNULL_deep 1449299
gval 6230
hash_str 2756815
hash_str_len 31551771
icopy_avma 8042267971
idealchineseinit 5427
idealred 138708
identity_ZV 8113
identity_perm 3242790
identity_zv 3267141
inf_get_sign 1453148
inv_content 0
is_bigint 562976742
is_const_t 4893894100
is_extscalar_t 6876
is_intreal_t 9586826
is_matvec_t 659618131
is_noncalc_t 85878631
is_pm1 2203464959
is_qfb_t 0
is_rational_t 5035726
is_real_t 62063889
is_recursive_t 9240252696
is_scalar_t 375679231
is_universal_constant 325881364
is_vec_t 43956414
isint1 17587305
isintm1 5711352
isintzero 2843119680
ismpzero 9586717
isonstack 8264277281
killblock 1933816
leading_coeff 170557647
leafcopy_avma 577562470
lg_increase 322905764
lgcols 350850198
lgpol 2680477180
lincombii 38215609
locs_get_Lgenfil 1288
locs_get_Lsprk 193935
locs_get_cyc 52136
locs_get_famod 1288
locs_get_m_infty 209475
locs_get_mod 8225
logint 754922
matpascal 3983
matslice 16823591
mkcol 10641577
mkcol2 156877295
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33538
mkcols 40411
mkcomplex 91654124
mkerr 0
mkfrac 41643309
mkfraccopy 4999292
mkfracss 1209563
mkintmod 8092669
mkintmodu 1813
mkmat 4751423
mkmat2 33663340
mkmat22 50281541
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122289
mkmoo 108864
mkoo 1332024
mkpadic 2009
mkpolmod 3105222
mkqfb 27928784
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71142011
mkvec2 186198773
mkvec2copy 114618
mkvec2s 220441
mkvec3 117744092
mkvec3s 524441
mkvec4 10107013
mkvec4s 21
mkvec5 15187109
mkveccopy 122521
mkvecs 168
mkvecsmall 131690655
mkvecsmall2 233659524
mkvecsmall3 104046335
mkvecsmall4 17825391
mkvecsmall5 1731118
modpr_get_T 13867955
modpr_get_p 1888614
modpr_get_pr 31238917
mul_content 2654997
mul_denom 10713369
mulsubii 3882916
nbits2extraprec 1456918342
nbits2ndec 228
nbits2nlong 12677201
nbits2prec 186158504
nbrows 157538185
nchar2nlong 127440822
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26299
nf_get_G 304204
nf_get_M 21308448
nf_get_Tr 22082
nf_get_degree 71371265
nf_get_diff 4459
nf_get_disc 463988
nf_get_index 3712379
nf_get_invzk 9769544
nf_get_pol 98084493
nf_get_r1 23029033
nf_get_r2 4154
nf_get_ramified_primes 64854
nf_get_roots 1628540
nf_get_roundG 1747524
nf_get_sign 519565
nf_get_varn 1503773
nf_get_zk 4382
nf_get_zkden 5464267
nf_get_zkprimpart 5418491
normalize_frac 17206027
odd 2085598158
pari_calloc 47699
pari_err_BUG 14
pari_err_COMPONENT 214
pari_err_CONSTPOL 21
pari_err_COPRIME 84
pari_err_DIM 718
pari_err_DOMAIN 2862
pari_err_FILE 0
pari_err_FILEDESC 36
pari_err_FLAG 98
pari_err_IMPL 539
pari_err_INV 20018
pari_err_IRREDPOL 63
pari_err_MAXPRIME 0
pari_err_MODULUS 1316
pari_err_OP 406
pari_err_OVERFLOW 156
pari_err_PACKAGE 0
pari_err_PREC 238
pari_err_PRIME 98
pari_err_PRIORITY 238
pari_err_ROOTS0 63
pari_err_SQRTN 7084
pari_err_TYPE 15370
pari_err_TYPE2 3493
pari_err_VAR 371
pari_free 510868345
pari_malloc 746747399
pari_realloc 1890
pari_realloc_ip 2268697
pari_stack_alloc 1019829608
pari_stack_base 1025462800
pari_stack_delete 5654963
pari_stack_init 6087047
pari_stack_new 925131944
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782922
perm_mul 80931014
perm_sqr 728
pol0_F2x 13245640
pol0_Flx 103515557
pol1_F2x 3957349
pol1_Flx 55091107
pol_0 83002180
pol_1 3756686
pol_x 3858445
pol_xn 2249969
pol_xnall 294
polx_F2x 1078742
polx_Flx 37834800
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43178858
pr_get_e 16105106
pr_get_f 26350284
pr_get_gen 12069692
pr_get_p 92491012
pr_get_tau 49577412
pr_is_inert 17150418
pr_norm 1090265
prec2lg 4468280978
prec2nbits 103968551
prec2nbits_mul 581165
prec2ndec 9778
precdbl 475534
qfb_disc 18514473
qfb_disc3 4995336
qfb_is_qfi 62935580
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8006588282
rnf_get_absdegree 1392746
rnf_get_alpha 1428
rnf_get_degree 2506307
rnf_get_disc 357
rnf_get_idealdisc 1386
rnf_get_index 105
rnf_get_invzk 1225
rnf_get_k 1225
rnf_get_map 135659
rnf_get_nf 786030
rnf_get_nfdegree 21455
rnf_get_nfpol 255354
rnf_get_nfvarn 4886
rnf_get_nfzk 7245
rnf_get_pol 2845164
rnf_get_polabs 327628
rnf_get_ramified_primes 2849
rnf_get_varn 574
rnf_get_zk 4830
row 764017
row_i 987
rowcopy 204988
rowpermute 14710526
rowslice 79351423
rowslicepermute 184778
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27643105
sqrfrac 4148124
sqrti 6666984
sqrtnr 2809758
sqrtr 80390485
sstoQ 1097215
sturm 385
submulii 32848628
submuliu 7742
submuliu_inplace 60207564
truecoef 0
trunc_safe 0
ulogint 1727108
upr_norm 346132
uutoQ 1600198
vec_append 3465748
vec_ei 1714768
vec_lengthen 18946
vec_prepend 313992
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036859
veclast 9372752
vecmodii 0
vecmoduu 49784
vecpermute 20544053
vecreverse 697235
vecreverse_inplace 2605
vecslice 656321961
vecslicepermute 2690593
vecsmall_append 4111386
vecsmall_coincidence 0
vecsmall_concat 1464355
vecsmall_copy 4404933
vecsmall_ei 584719
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043259
vecsmall_max 1164580
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186998
vecsmall_reverse 3066
vecsmall_shorten 74583
vecsmall_to_col 7838445
vecsmall_to_vec 511865
vecsmall_to_vec_inplace 3304
vecsmallpermute 78735605
vecsmalltrunc_append 101498480
vecsmalltrunc_init 192335656
vecsplice 384918
vectrunc_append 16160279
vectrunc_append_batch 12306
vectrunc_init 12066011
zc_to_ZC 7824263
zero_F2m 0
zero_F2m_copy 845256
zero_F2v 3648501
zero_F2x 1350
zero_Flm 2830260
zero_Flm_copy 235952
zero_Flv 59570093
zero_Flx 1426775
zero_zm 0
zero_zv 36745725
zero_zx 0
zerocol 122360906
zeromat 109113
zeromatcopy 14252082
zeropadic 855618
zeropadic_shallow 17024
zeropol 42358624
zeroser 138908
zerovec 28455883
zerovec_block 28947
zm_copy 0
zm_row 0
zm_to_zxV 0
zm_transpose 266
znstar_get_N 38655073
znstar_get_U 176107
znstar_get_Ui 46788
znstar_get_conreycyc 7979693
znstar_get_conreygen 3290176
znstar_get_cyc 262088
znstar_get_faN 7331711
znstar_get_gen 16150
znstar_get_no 14
znstar_get_pe 2869063
zv_copy 2184034
zv_to_ZV 503066
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

Generated by: LCOV version 1.16