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 30589-01bb95f8b7) Lines: 1420 1535 92.5 %
Date: 2025-12-30 09:21:31 Functions: 649 707 91.8 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
F2m_clear 0
F2m_coeff 8038916
F2m_copy 200474
F2m_flip 1554353
F2m_set 798
F2v_clear 12354147
F2v_coeff 661321669
F2v_copy 4487
F2v_ei 42
F2v_flip 1554353
F2v_set 101403810
F2v_to_F2x 37771
F2xX_shift 0
F2x_clear 12354156
F2x_coeff 667837776
F2x_copy 60490629
F2x_div 1571860
F2x_equal 4668350
F2x_equal1 2874226
F2x_flip 1554353
F2x_renormalize 115270371
F2x_set 124732651
F2xqX_div 33173
F3m_coeff 3255916
F3m_copy 0
F3m_set 0
Flm_copy 6433497
Flm_row 8741247
Flv_copy 2555000
Flx_constant 334025
Flx_copy 173176710
Flx_div 1997975
Flx_div_pre 21686985
Flx_equal1 8329990
Flx_lead 979021
Flx_mulu 1105470
FlxqX_div 0
FlxqX_div_pre 165414
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4694177
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849917
FpXY_Fq_evaly 20587
FpX_div 5581143
FpX_renormalize 144206933
Fp_add 180984533
Fp_addmul 11218258
Fp_center 77231927
Fp_center_i 18019494
Fp_div 15035332
Fp_divu 15129772
Fp_double 20830359
Fp_halve 247271
Fp_inv 23438766
Fp_invsafe 1100359
Fp_mul 200714700
Fp_muls 17780
Fp_mulu 68632327
Fp_neg 31476549
Fp_red 82193379
Fp_sqr 63704639
Fp_sub 203085267
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 571426
FqX_Fq_mul 427289
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38567
FqX_div_by_X_x 69699
FqX_divrem 0
FqX_extgcd 444665
FqX_factor 140946
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 367704
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 3106307
Fq_to_FpXQ 73652
GENbinbase 961792293
QV_isscalar 54413941
Q_abs 8062511
Q_abs_shallow 120229
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 619832
RgC_gtofp 34033421
RgC_gtomp 574
RgM_dimensions 9741577
RgM_fpnorml2 22662
RgM_gtofp 8258264
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22173445
RgV_gtofp 56
RgV_is_QV 140726
RgV_is_ZV 32158323
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210280
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103406540
RgX_div 7000642
RgX_equal_var 26883021
RgX_fpnorml2 61495
RgX_gtofp 7144843
RgX_is_QX 399928
RgX_is_ZX 22423122
RgX_is_monomial 1331295
RgX_is_rational 68166
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
RgX_to_RgV 140
Rg_col_ei 1450983
Rg_to_Fq 756
ZC_hnfrem 10695752
ZM_ZV_mod 596458
ZM_hnfrem 363807
ZM_lll 7116693
ZV_ZV_mod 8131361
ZV_dvd 23485
ZV_isscalar 23233489
ZV_to_zv 3211408
ZXQ_mul 2161288
ZXQ_sqr 960430
ZX_equal1 12850
ZX_is_monic 7374313
ZX_renormalize 154977123
Z_ispower 98
Z_issquare 458708
abgrp_get_cyc 12230762
abgrp_get_gen 1765021
abgrp_get_no 354943
absfrac 46638306
absfrac_shallow 28237
addmuliu 535709
addmuliu_inplace 59653615
affc_fixlg 249623
affgr 898866
bid_get_MOD 2157243
bid_get_U 3680220
bid_get_arch 41188
bid_get_archp 2397105
bid_get_cyc 5739785
bid_get_fact 2498924
bid_get_fact2 2201557
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804643
bid_get_ideal 72842
bid_get_mod 1521921
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157968
bin_copy 496003982
bit_accuracy 3156199126
bit_accuracy_mul 3175472
bit_prec 142814773
bnf_get_clgp 5374989
bnf_get_cyc 3686143
bnf_get_fu 25859
bnf_get_fu_nocheck 289081
bnf_get_gen 1680308
bnf_get_logfu 2874753
bnf_get_nf 9863847
bnf_get_no 8365
bnf_get_reg 648
bnf_get_sunits 1367770
bnf_get_tuN 283000
bnf_get_tuU 303573
bnr_get_bid 2046086
bnr_get_bnf 3751382
bnr_get_clgp 2830240
bnr_get_cyc 2522565
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77119
bnr_get_nf 1368094
bnr_get_no 277490
both_odd 123993531
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975460
cgiv 102264403
checkell_i 5593255
closure_arity 371577748
closure_codestr 321714203
closure_get_code 0
closure_get_data 321677161
closure_get_dbg 13621
closure_get_frame 14157783
closure_get_oper 321693204
closure_get_text 37051
closure_is_variadic 44789185
col_ei 5924623
coltrunc_init 740250
const_col 9729613
const_vec 34471849
const_vecsmall 19700064
constant_coeff 1441141
cxcompotor 18211998
cxnorm 91200847
cxtofp 9080122
cxtoreal 337207
cyc_get_expo 2757553
cyclic_perm 99911
dbllog2r 92817696
degpol 5496402064
div_content 58518
divsBIL 8087473716
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997063
ell_get_a2 7106177
ell_get_a3 8814030
ell_get_a4 8536718
ell_get_a6 10370956
ell_get_b2 7371014
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11017853
ell_get_c6 13474244
ell_get_disc 16815140
ell_get_j 2126269
ell_get_type 12498958
ell_is_inf 52347566
ellff_get_a4a6 800012
ellff_get_field 2036831
ellinf 1869785
ellnf_get_bnf 119
ellnf_get_nf 2027239
equali1 1174221452
equalim1 139505314
err_get_compo 294
err_get_num 62522
gaddgs 123248635
gal_get_den 27867
gal_get_e 91
gal_get_gen 15435
gal_get_group 80386
gal_get_invvdm 27874
gal_get_mod 23758
gal_get_orders 6678
gal_get_p 6006
gal_get_pol 36316
gal_get_roots 32732
gc_GEN 255499934
gc_INT 4106791452
gc_INT_affii 8493064
gc_all 109630177
gc_leaf 1137341561
gc_slice 2204250
gc_upto 1951968601
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 761894
gdivsg 531592
gen_I 1269694
gener_Fq_local 29946
gequalgs 29176
get_F2x_degree 1928945
get_F2x_mod 2499245
get_F2x_var 2533857
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82834259
get_Flx_mod 25593314
get_Flx_var 68349623
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 6424337
get_FpX_mod 3394352
get_FpX_var 6957814
gisdouble 2992163
gmax_shallow 13510199
gmaxsg 0
gmin_shallow 877704
gminsg 0
gmulgs 22609348
gmulgu 282059385
gsubgs 1724804
gtodouble 60783124
gtofp 254329252
gtomp 22428
gtos 85855668
gtou 99544
guncloneNULL 47923982
guncloneNULL_deep 1428620
gval 6230
hash_str 2756815
hash_str_len 31544553
icopy_avma 8035638529
idealchineseinit 5427
idealred 138457
identity_ZV 8113
identity_perm 3241494
identity_zv 3265844
inf_get_sign 1452854
inv_content 0
is_bigint 562949795
is_const_t 4893783599
is_extscalar_t 6876
is_intreal_t 9585813
is_matvec_t 659692218
is_noncalc_t 85876009
is_pm1 2203521383
is_qfb_t 0
is_rational_t 5032361
is_real_t 62062469
is_recursive_t 9234300198
is_scalar_t 375660207
is_universal_constant 325892085
is_vec_t 43939575
isint1 17584703
isintm1 5710170
isintzero 2843076489
ismpzero 9585706
isonstack 8267517037
killblock 1917566
leading_coeff 170260361
leafcopy_avma 577206642
lg_increase 318087430
lgcols 350619150
lgpol 2687851562
lincombii 38206994
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 754828
matpascal 3983
matslice 16818903
mkcol 10639896
mkcol2 156813533
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232470
mkcolcopy 33540
mkcols 40411
mkcomplex 91612601
mkerr 0
mkfrac 41642056
mkfraccopy 4999580
mkfracss 1209563
mkintmod 8092525
mkintmodu 1813
mkmat 4750957
mkmat2 33653875
mkmat22 50255691
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122236
mkmoo 108789
mkoo 1331804
mkpadic 2009
mkpolmod 3103719
mkqfb 27928022
mkquad 69118
mkrfrac 698438
mkrfraccopy 14
mkvec 71124043
mkvec2 185358052
mkvec2copy 114509
mkvec2s 220243
mkvec3 119523209
mkvec3s 524441
mkvec4 10093589
mkvec4s 21
mkvec5 15185591
mkvec5s 0
mkvec6 0
mkvec6s 301
mkveccopy 122521
mkvecs 168
mkvecsmall 131622788
mkvecsmall2 234828227
mkvecsmall3 104171993
mkvecsmall4 18659120
mkvecsmall5 1717499
modpr_get_T 13867549
modpr_get_p 1888403
modpr_get_pr 31237845
mul_content 2654237
mul_denom 10710718
mulsubii 3880947
nbits2extraprec 1456978462
nbits2ndec 228
nbits2nlong 12745933
nbits2prec 186130938
nbrows 157443721
nchar2nlong 127385375
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26300
nf_get_G 303830
nf_get_M 21306662
nf_get_Tr 22085
nf_get_degree 71362399
nf_get_diff 4445
nf_get_disc 463461
nf_get_index 3711322
nf_get_invzk 9767431
nf_get_pol 98072278
nf_get_r1 23027018
nf_get_r2 4154
nf_get_ramified_primes 64644
nf_get_roots 1627867
nf_get_roundG 1747149
nf_get_sign 519544
nf_get_varn 1503558
nf_get_zk 4382
nf_get_zkden 5463094
nf_get_zkprimpart 5417330
normalize_frac 17205497
odd 2089423581
pari_calloc 47713
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 509362743
pari_malloc 745263647
pari_realloc 1890
pari_realloc_ip 2256295
pari_stack_alloc 1019830326
pari_stack_base 1025349691
pari_stack_delete 5556278
pari_stack_init 6050604
pari_stack_new 925140705
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2781953
perm_mul 80898532
perm_sqr 728
pol0_F2x 13246008
pol0_Flx 103468654
pol1_F2x 3956579
pol1_Flx 55052520
pol_0 82996655
pol_1 3755669
pol_x 3856878
pol_xn 2249279
pol_xnall 294
polx_F2x 1078930
polx_Flx 37482219
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43126989
pr_get_e 16101923
pr_get_f 26341578
pr_get_gen 12067012
pr_get_p 92475296
pr_get_tau 49564215
pr_is_inert 17145873
pr_norm 1089369
prec2lg 4468860728
prec2nbits 103963910
prec2nbits_mul 581167
prec2ndec 9778
precdbl 475372
qfb_disc 18502537
qfb_disc3 4994954
qfb_is_qfi 62331473
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 7996575811
rnf_get_absdegree 1392746
rnf_get_alpha 1428
rnf_get_degree 2506335
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 786086
rnf_get_nfdegree 21455
rnf_get_nfpol 255354
rnf_get_nfvarn 4886
rnf_get_nfzk 7245
rnf_get_pol 2845192
rnf_get_polabs 327628
rnf_get_ramified_primes 2849
rnf_get_varn 574
rnf_get_zk 4830
row 763904
row_i 987
rowcopy 204988
rowpermute 14705938
rowslice 79326663
rowslicepermute 184981
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27626327
sqrfrac 4148118
sqrti 6664631
sqrtnr 2809138
sqrtr 80374263
sstoQ 1097215
sturm 385
submulii 32838828
submuliu 7700
submuliu_inplace 60141123
truecoef 0
trunc_safe 0
ulogint 1721934
upr_norm 346135
uutoQ 1600198
vec_append 3465053
vec_ei 1713854
vec_lengthen 18960
vec_prepend 313995
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036620
veclast 9372681
vecmodii 0
vecmoduu 49784
vecpermute 20545477
vecreverse 697277
vecreverse_inplace 2605
vecslice 656134213
vecslicepermute 2690895
vecsmall_append 4099622
vecsmall_coincidence 0
vecsmall_concat 1464258
vecsmall_copy 4403847
vecsmall_ei 584690
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043229
vecsmall_max 1164206
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186970
vecsmall_reverse 3052
vecsmall_shorten 75642
vecsmall_to_col 7838846
vecsmall_to_vec 511781
vecsmall_to_vec_inplace 3304
vecsmallpermute 78703053
vecsmalltrunc_append 100933744
vecsmalltrunc_init 190234782
vecsplice 384913
vectrunc_append 15851455
vectrunc_append_batch 9667
vectrunc_init 11768340
zc_to_ZC 7824666
zero_F2m 0
zero_F2m_copy 845064
zero_F2v 3647733
zero_F2x 1350
zero_Flm 2829611
zero_Flm_copy 238202
zero_Flv 59654580
zero_Flx 1426541
zero_zm 0
zero_zv 36732911
zero_zx 0
zerocol 122329013
zeromat 109129
zeromatcopy 14249236
zeropadic 855517
zeropadic_shallow 17024
zeropol 42354038
zeroser 138908
zerovec 28453462
zerovec_block 29654
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 2183761
zv_to_ZV 502982
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

Generated by: LCOV version 1.16