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 30712-26d8f09ef9) Lines: 1421 1535 92.6 %
Date: 2026-02-26 09:24:10 Functions: 650 707 91.9 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
F2m_clear 0
F2m_coeff 8154123
F2m_copy 200426
F2m_flip 1553434
F2m_set 798
F2v_clear 12352400
F2v_coeff 661423891
F2v_copy 4487
F2v_ei 42
F2v_flip 1553434
F2v_set 101427787
F2v_to_F2x 37719
F2xX_shift 0
F2x_clear 12352408
F2x_coeff 667995368
F2x_copy 59107793
F2x_div 1557581
F2x_equal 4610366
F2x_equal1 2873870
F2x_flip 1553434
F2x_renormalize 111675711
F2x_set 123114303
F2xqX_div 33173
F3m_coeff 3255850
F3m_copy 0
F3m_set 0
Flm_copy 6433689
Flm_row 8741667
Flv_copy 2555056
Flx_constant 334009
Flx_copy 173113672
Flx_div 1998025
Flx_div_pre 21689324
Flx_equal1 8195630
Flx_lead 979165
Flx_mulu 1105491
FlxqX_div 0
FlxqX_div_pre 165409
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4694391
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849903
FpXY_Fq_evaly 20587
FpX_div 5581269
FpX_renormalize 145827383
Fp_add 180951954
Fp_addmul 11198556
Fp_center 77374390
Fp_center_i 18051165
Fp_div 15035244
Fp_divu 15129734
Fp_double 20762232
Fp_halve 247271
Fp_inv 23437300
Fp_invsafe 1098041
Fp_mul 200722953
Fp_muls 17780
Fp_mulu 67997009
Fp_neg 31476974
Fp_red 82929454
Fp_sqr 63640964
Fp_sub 202701562
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 571655
FqX_Fq_mul 427289
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38566
FqX_div_by_X_x 69699
FqX_divrem 0
FqX_extgcd 444766
FqX_factor 140960
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 367709
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 3106713
Fq_to_FpXQ 73652
GENbinbase 917373549
QV_isscalar 54416379
Q_abs 8062803
Q_abs_shallow 120234
Qtoss 35364
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 619850
RgC_gtofp 34032523
RgC_gtomp 574
RgM_dimensions 9954072
RgM_fpnorml2 22661
RgM_gtofp 8258049
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22231707
RgV_gtofp 56
RgV_is_QV 140735
RgV_is_ZV 32095112
RgV_isin 110151
RgV_isin_i 110151
RgV_isscalar 1210270
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103400600
RgX_div 6998010
RgX_equal_var 26883015
RgX_fpnorml2 61601
RgX_gtofp 7145282
RgX_is_QX 399933
RgX_is_ZX 22423089
RgX_is_monomial 1331342
RgX_is_rational 68164
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479368
RgX_shift_inplace_init 479368
RgX_to_RgV 140
Rg_col_ei 1451008
Rg_to_Fq 756
ZC_hnfrem 10697374
ZM_ZV_mod 610725
ZM_hnfrem 401396
ZM_lll 7117808
ZV_ZV_mod 8147284
ZV_dvd 23485
ZV_isscalar 23675214
ZV_to_zv 3211715
ZXQ_mul 2161245
ZXQ_sqr 960445
ZX_equal1 10488
ZX_is_monic 7374290
ZX_renormalize 155007739
Z_ispower 98
Z_issquare 509446
abgrp_get_cyc 12230842
abgrp_get_gen 1765026
abgrp_get_no 406730
absfrac 46540245
absfrac_shallow 28237
addmuliu 541590
addmuliu_inplace 59648544
affc_fixlg 249622
affgr 899594
bid_get_MOD 2157252
bid_get_U 3680229
bid_get_arch 41188
bid_get_archp 2397149
bid_get_cyc 5739864
bid_get_fact 2498956
bid_get_fact2 2201577
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804717
bid_get_ideal 72842
bid_get_mod 1521922
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157980
bin_copy 472069714
bit_accuracy 3124927420
bit_accuracy_mul 3175730
bit_prec 143254520
bnf_get_clgp 5375000
bnf_get_cyc 3686147
bnf_get_fu 25859
bnf_get_fu_nocheck 289095
bnf_get_gen 1680312
bnf_get_logfu 2874777
bnf_get_nf 9865199
bnf_get_no 8372
bnf_get_reg 648
bnf_get_sunits 1367774
bnf_get_tuN 283006
bnf_get_tuU 303588
bnr_get_bid 2046095
bnr_get_bnf 3710951
bnr_get_clgp 2830245
bnr_get_cyc 2522569
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77119
bnr_get_nf 1399075
bnr_get_no 277489
both_odd 124169137
cbrtr 0
cbrtr_abs 0
cgetalloc 10115
cgetc 975460
cgiv 105471698
checkell_i 5593318
closure_arity 356307653
closure_codestr 305901396
closure_get_code 28
closure_get_data 305851010
closure_get_dbg 13646
closure_get_frame 14717497
closure_get_oper 305883488
closure_get_text 37122
closure_is_variadic 45907116
col_ei 5924647
coltrunc_init 740257
const_col 9729654
const_vec 34643540
const_vecsmall 18745265
constant_coeff 1441434
cxcompotor 18211152
cxnorm 91198600
cxtofp 9079710
cxtoreal 337207
cyc_get_expo 2757560
cyclic_perm 99911
dbllog2r 92819942
degpol 5490745673
div_content 58503
divsBIL 8104547437
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997086
ell_get_a2 7106197
ell_get_a3 8814054
ell_get_a4 8536738
ell_get_a6 10370976
ell_get_b2 7371019
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11018252
ell_get_c6 13474303
ell_get_disc 16815662
ell_get_j 2126269
ell_get_type 12499171
ell_is_inf 49418808
ellff_get_a4a6 800032
ellff_get_field 2036905
ellinf 1208316
ellnf_get_bnf 119
ellnf_get_nf 2027259
equali1 1167017597
equalim1 139505490
err_get_compo 294
err_get_num 62567
gaddgs 123248660
gal_get_den 27867
gal_get_e 91
gal_get_gen 15435
gal_get_group 80385
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 233845905
gc_INT 4134901504
gc_INT_affii 11582179
gc_all 102393636
gc_leaf 1128422656
gc_slice 2204179
gc_upto 1959416174
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 531592
gen_I 1268171
gener_Fq_local 29946
gequalgs 29176
get_F2x_degree 1928956
get_F2x_mod 2489723
get_F2x_var 2534190
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 81895450
get_Flx_mod 25492573
get_Flx_var 68356406
get_FlxqX_degree 317580
get_FlxqX_mod 8033
get_FlxqX_var 264435
get_FpXQX_degree 3589
get_FpXQX_mod 146583
get_FpXQX_var 51630
get_FpX_degree 6969113
get_FpX_mod 3392040
get_FpX_var 6958021
gisdouble 2996489
gmax_shallow 13510200
gmaxsg 0
gmin_shallow 877805
gminsg 0
gmulgs 23929949
gmulgu 283104681
gsubgs 1724807
gtodouble 60900031
gtofp 254390489
gtomp 22428
gtos 85855724
gtou 100698
guncloneNULL 49819274
guncloneNULL_deep 1503791
gval 6230
hash_str 2740046
hash_str_len 31635092
icopy_avma 8047682664
idealchineseinit 5427
idealred 138438
identity_ZV 8113
identity_perm 3242456
identity_zv 3266807
inf_get_sign 1452879
inv_content 0
is_bigint 571822647
is_const_t 4901085662
is_extscalar_t 6876
is_intreal_t 9584740
is_matvec_t 659343898
is_noncalc_t 85780690
is_pm1 2215610605
is_qfb_t 0
is_rational_t 5032651
is_real_t 62059905
is_recursive_t 9190045235
is_scalar_t 375719382
is_universal_constant 326514819
is_vec_t 43946132
isint1 17586435
isintm1 5710270
isintzero 2845583239
ismpzero 9584645
isonstack 8313056177
killblock 1956499
leading_coeff 171835036
leafcopy_avma 578333835
lg_increase 441560996
lgcols 352682369
lgpol 2671703794
lincombii 38256147
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 754853
matpascal 3983
matslice 16825076
mkcol 10652544
mkcol2 156985981
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232470
mkcolcopy 33563
mkcols 40411
mkcomplex 91609894
mkerr 0
mkfrac 41645971
mkfraccopy 4999845
mkfracss 1209563
mkintmod 8070666
mkintmodu 1834
mkmat 4779489
mkmat2 33666168
mkmat22 50256806
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122287
mkmoo 108806
mkoo 1331830
mkpadic 2009
mkpolmod 3103718
mkqfb 27930071
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 69642789
mkvec2 211591652
mkvec2copy 114529
mkvec2s 220246
mkvec3 118855577
mkvec3s 524441
mkvec4 10146655
mkvec4s 21
mkvec5 15185869
mkvec5s 0
mkvec6 0
mkvec6s 301
mkveccopy 122528
mkvecs 168
mkvecsmall 131273587
mkvecsmall2 235062626
mkvecsmall3 103255281
mkvecsmall4 18688018
mkvecsmall5 1717463
modpr_get_T 13867181
modpr_get_p 1887627
modpr_get_pr 31236724
mul_content 2657223
mul_denom 10707534
mulsubii 3887759
nbits2extraprec 1458623201
nbits2ndec 228
nbits2nlong 12714529
nbits2prec 186138794
nbrows 158250697
nchar2nlong 127762215
ndec2nbits 8270
ndec2nlong 41584
ndec2prec 33314
nfV_to_scalar_or_alg 26299
nf_get_G 304915
nf_get_M 21745926
nf_get_Tr 22084
nf_get_degree 71369590
nf_get_diff 4445
nf_get_disc 463482
nf_get_index 3711411
nf_get_invzk 9767508
nf_get_pol 98110281
nf_get_r1 23466203
nf_get_r2 4154
nf_get_ramified_primes 64645
nf_get_roots 1628984
nf_get_roundG 1748228
nf_get_sign 519552
nf_get_varn 1503780
nf_get_zk 4382
nf_get_zkden 5459759
nf_get_zkprimpart 5413797
normalize_frac 17206409
odd 2118593113
pari_calloc 47609
pari_err_BUG 14
pari_err_COMPONENT 214
pari_err_CONSTPOL 21
pari_err_COPRIME 91
pari_err_DIM 718
pari_err_DOMAIN 2869
pari_err_FILE 0
pari_err_FILEDESC 36
pari_err_FLAG 98
pari_err_IMPL 539
pari_err_INV 20025
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 245
pari_err_ROOTS0 63
pari_err_SQRTN 7084
pari_err_TYPE 15370
pari_err_TYPE2 3493
pari_err_VAR 371
pari_free 486419414
pari_malloc 722488543
pari_realloc 1873
pari_realloc_ip 2350109
pari_stack_alloc 1005969058
pari_stack_base 1011794496
pari_stack_delete 5863683
pari_stack_init 6353816
pari_stack_new 910671756
pari_stack_pushp 5800
perm_conj 418299
perm_inv 3746861
perm_mul 80947611
perm_sqr 728
pol0_F2x 13180232
pol0_Flx 103065918
pol1_F2x 3947985
pol1_Flx 54886127
pol_0 82782959
pol_1 3753595
pol_x 3857427
pol_xn 2249611
pol_xnall 294
polx_F2x 1073357
polx_Flx 37490008
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43130290
pr_get_e 16161997
pr_get_f 26443075
pr_get_gen 12071231
pr_get_p 92750786
pr_get_tau 49768511
pr_is_inert 17224078
pr_norm 1090539
prec2lg 4472255267
prec2nbits 103972049
prec2nbits_mul 581167
prec2ndec 9778
precdbl 475388
qfb_disc 18502536
qfb_disc3 4995948
qfb_is_qfi 64507332
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8013793274
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 763895
row_i 987
rowcopy 204988
rowpermute 14756547
rowslice 79466345
rowslicepermute 234420
rowsplice 273
ser_isexactzero 10120368
shallowcopy 27894265
sqrfrac 4148164
sqrti 6610371
sqrtnr 2810243
sqrtr 80376487
sstoQ 1097313
sturm 385
submulii 31982591
submuliu 7700
submuliu_inplace 60144228
truecoef 0
trunc_safe 0
ulogint 1962219
upr_norm 346136
uutoQ 1602144
vec_append 3464663
vec_ei 1713867
vec_lengthen 18960
vec_prepend 314005
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036956
veclast 9372760
vecmodii 0
vecmoduu 49784
vecpermute 21101466
vecreverse 697305
vecreverse_inplace 2605
vecslice 657451543
vecslicepermute 2857998
vecsmall_append 4114667
vecsmall_coincidence 0
vecsmall_concat 1464224
vecsmall_copy 5368733
vecsmall_ei 584684
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043246
vecsmall_max 1164182
vecsmall_min 2352
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186977
vecsmall_reverse 3052
vecsmall_shorten 75642
vecsmall_to_col 7921770
vecsmall_to_vec 576881
vecsmall_to_vec_inplace 3304
vecsmallpermute 78752406
vecsmalltrunc_append 100867813
vecsmalltrunc_init 241465688
vecsplice 384935
vectrunc_append 15856465
vectrunc_append_batch 9667
vectrunc_init 11767395
zc_to_ZC 7907591
zero_F2m 0
zero_F2m_copy 845006
zero_F2v 3647530
zero_F2x 1350
zero_Flm 2830872
zero_Flm_copy 238233
zero_Flv 59722912
zero_Flx 1426834
zero_zm 0
zero_zv 37290393
zero_zx 0
zerocol 125138098
zeromat 109125
zeromatcopy 14378201
zeropadic 857643
zeropadic_shallow 17150
zeropol 42353446
zeroser 138992
zerovec 29343882
zerovec_block 29654
zm_copy 0
zm_row 0
zm_to_zxV 0
zm_transpose 266
znstar_get_N 38658713
znstar_get_U 176107
znstar_get_Ui 46788
znstar_get_conreycyc 7982108
znstar_get_conreygen 3290526
znstar_get_cyc 262088
znstar_get_faN 7334819
znstar_get_gen 16150
znstar_get_no 14
znstar_get_pe 2869063
zv_copy 2183796
zv_to_ZV 568082
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

Generated by: LCOV version 1.16