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 30613-2b070936c6) Lines: 1421 1535 92.6 %
Date: 2026-01-15 09:21:54 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
F2xX_shift 0
F3m_copy 0
F3m_set 0
FlxqX_div 0
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQ_add 0
FpXQ_sub 0
FqXQ_add 0
FqXQ_div 0
FqXQ_inv 0
FqXQ_invsafe 0
FqXQ_pow 0
FqXQ_sqr 0
FqXQ_sub 0
FqX_divrem 0
FqX_halfgcd 0
FqX_integ 0
FqXn_exp 0
FqXn_sqr 0
R_abs 0
RgX_isscalar 0
bid_get_gen_nocheck 0
bid_get_no 0
cbrtr 0
cbrtr_abs 0
closure_get_code 0
gchar_get_U 0
gchar_get_hnf 0
gmaxsg 0
gminsg 0
inv_content 0
is_qfb_t 0
mkcol4s 0
mkerr 0
mkmat5 0
mkvec5s 0
mkvec6 0
pari_err_FILE 0
pari_err_MAXPRIME 0
pari_err_PACKAGE 0
polx_zx 0
random_Fq 0
truecoef 0
trunc_safe 0
vec_setconst 0
vecmodii 0
vecsmall_coincidence 0
zero_F2m 0
zero_zm 0
zero_zx 0
zm_copy 0
zm_row 0
zm_to_zxV 0
zx_shift 0
zx_to_zv 0
FqX_ddf 7
FqX_factor_squarefree 7
mkrfraccopy 14
pari_err_BUG 14
znstar_get_no 14
RgM_gtomp 21
mkvec4s 21
pari_err_CONSTPOL 21
vecsmall_indexmax 21
vecsmall_indexmin 21
pari_err_FILEDESC 36
F2v_ei 42
RgV_gtofp 56
pari_err_IRREDPOL 63
pari_err_ROOTS0 63
bnr_get_gen_nocheck 70
mkmat4 84
pari_err_COPRIME 84
vecsmall_isin 84
vecsmall_pack 84
gal_get_e 91
mkcol5 94
Z_ispower 98
pari_err_FLAG 98
pari_err_PRIME 98
rnf_get_index 105
ellnf_get_bnf 119
RgX_to_RgV 140
pari_err_OVERFLOW 156
mkvecs 168
FqX_to_mod 175
pari_err_COMPONENT 214
nbits2ndec 228
pari_err_PREC 238
pari_err_PRIORITY 245
zm_transpose 266
rowsplice 273
err_get_compo 294
pol_xnall 294
mkvec6s 301
ellQp_get_prec 308
mkcol3s 315
gchar_get_nfree 322
gchar_get_ntors 322
get_F2xqX_mod 343
rnf_get_disc 357
pari_err_VAR 371
polxn_Flx 371
sturm 385
pari_err_OP 406
pari_err_IMPL 539
vecsmall_lengthen 547
RgC_gtomp 574
rnf_get_varn 574
gchar_get_r2 623
gchar_set_HUUi 630
gchar_set_nalg 630
gchar_set_nfree 630
gchar_set_ntors 630
bnf_get_reg 648
pari_err_DIM 718
perm_sqr 728
Rg_to_Fq 756
F2m_set 798
gchar_set_m0 945
row_i 987
RgM_minor 1036
quad_disc 1085
ellQp_get_p 1134
gchar_copy_precs 1225
gchar_set_prec 1225
rnf_get_invzk 1225
rnf_get_k 1225
locs_get_Lgenfil 1288
locs_get_famod 1288
FqX_powu 1295
pari_err_MODULUS 1316
zero_F2x 1350
rnf_get_idealdisc 1386
rnf_get_alpha 1428
ellQp_get_zero 1463
powIs 1561
gchar_set_basis 1575
gchar_set_cyc 1575
gchar_get_sfu 1743
gchar_set_evalprec 1813
mkintmodu 1813
gchar_get_nm 1869
pari_realloc 1890
RgXQX_div 1904
mkpadic 2009
gchar_get_nalg 2044
gchar_set_nf 2110
gchar_set_u0 2121
vecsmall_min 2345
vecreverse_inplace 2605
rnf_get_ramified_primes 2849
pari_err_DOMAIN 2862
gchar_set_nfprec 2968
vecsmall_reverse 3052
vecsmall_to_vec_inplace 3304
gchar_get_m0 3318
pari_err_TYPE2 3493
get_FpXQX_degree 3589
matpascal 3983
gchar_get_evalprec 4011
gchar_get_modP 4095
FqX_normalize 4144
nf_get_r2 4154
gchar_get_u0 4252
nf_get_zk 4382
nf_get_diff 4445
F2v_copy 4487
FpXQX_div 4526
rnf_get_zk 4830
rnf_get_nfvarn 4886
idealchineseinit 5427
pari_stack_pushp 5851
gal_get_p 6006
FqX_get_red 6090
gval 6230
FqXn_expint 6590
gal_get_orders 6678
is_extscalar_t 6876
pari_err_SQRTN 7084
FqXn_inv 7126
rnf_get_nfzk 7245
FqX_roots 7273
submuliu 7700
bnr_get_gen 7847
get_FlxqX_mod 8033
identity_ZV 8113
gchar_get_mod 8225
locs_get_mod 8225
ndec2nbits 8270
FqX_gcd 8288
bnf_get_no 8372
vectrunc_append_batch 9667
prec2ndec 9778
cgetalloc 10166
gchar_get_Ui 10983
vec_shorten 11556
ZX_equal1 12850
R_abs_shallow 13097
gchar_get_nfprec 13468
closure_get_dbg 13628
zx_renormalize 14049
pari_err_TYPE 15370
gal_get_gen 15435
znstar_get_gen 16150
gchar_get_cyc 16177
mkmat3 17001
zeropadic_shallow 17024
gchar_get_r1 17444
Fp_muls 17780
gchar_get_prec 18795
vec_lengthen 18960
FqX_halve 19411
pari_err_INV 20018
FpXY_Fq_evaly 20587
rnf_get_nfdegree 21455
FqX_mulu 21942
nf_get_Tr 22078
gtomp 22428
RgM_fpnorml2 22662
FqXQ_mul 22766
ZV_dvd 23485
gal_get_mod 23758
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25859
nfV_to_scalar_or_alg 26300
gal_get_den 27867
gal_get_invvdm 27874
absfrac_shallow 28237
gequalgs 29176
zerovec_block 29654
gener_Fq_local 29946
gal_get_roots 32732
gchar_get_basis 32816
F2xqX_div 33173
ndec2prec 33314
mkcolcopy 33554
Qtoss 35322
gal_get_pol 36316
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37065
gchar_get_nc 37261
F2v_to_F2x 37553
FqX_rem 37743
FqX_div 38563
FqX_deriv 40061
mkcols 40411
bid_get_arch 41187
ndec2nlong 41584
znstar_get_Ui 46788
pari_calloc 47720
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50519
get_FpXQX_var 51630
locs_get_cyc 52136
div_content 58505
RgX_fpnorml2 61494
err_get_num 62536
bid_get_gen 64274
nf_get_ramified_primes 64645
RgX_is_rational 68164
FqX_sub 68607
mkquad 69118
FqX_div_by_X_x 69699
quadnorm 69881
FqX_sqr 71855
bid_get_ideal 72842
Fq_to_FpXQ 73652
vecsmall_shorten 75639
bnr_get_mod 77118
gal_get_group 80387
mkcol3 88314
gtou 99533
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108798
zeromat 109096
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114531
Q_abs_shallow 120225
mkmatcopy 122273
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138444
zeroser 138908
RgV_is_QV 140731
FqX_factor 140946
get_FpXQX_mod 146583
FlxqX_div_pre 165414
znstar_get_U 176107
rowslicepermute 185036
vecsmall_prepend 186970
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200425
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220246
mkcol6 232470
ellR_get_prec 232750
zero_Flm_copy 238225
gchar_get_nf 243946
Fp_halve 247271
affc_fixlg 249623
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277489
gchar_get_zm 281911
bnf_get_tuN 282993
bnf_get_fu_nocheck 289083
bnf_get_tuU 303575
nf_get_G 304893
vec_prepend 314007
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 334016
cxtoreal 337204
upr_norm 346134
RgX_renormalize 349807
abgrp_get_no 354948
ZM_hnfrem 363792
FqX_mul 367704
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384915
RgX_is_QX 399935
perm_conj 418299
FqX_Fq_mul 427289
FqX_extgcd 444662
Z_issquare 458712
nf_get_disc 463483
precdbl 475373
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
zv_to_ZV 502982
vecsmall_to_vec 511781
nf_get_sign 519551
mkvec3s 524441
gdivsg 531590
addmuliu 535727
FqX_Fp_mul 571423
prec2nbits_mul 581166
vecsmall_ei 584730
ZM_ZV_mod 596446
RgC_fpnorml2 619847
FqX_is_squarefree 683802
vecreverse 697277
mkrfrac 698439
coltrunc_init 740250
logint 754831
gcmpgs 761923
row 763881
rnf_get_nf 786086
ellff_get_a4a6 800021
zero_F2m_copy 845010
FpXX_renormalize 849917
zeropadic 855665
gmin_shallow 877652
affgr 898901
ZXQ_sqr 960345
cgetc 975457
Flx_lead 977668
polx_F2x 1073308
pr_norm 1090485
sstoQ 1097215
Fp_invsafe 1100355
Flx_mulu 1105457
vecsmall_max 1163956
mkfracss 1209563
RgV_isscalar 1210270
gen_I 1269713
RgX_is_monomial 1331344
mkoo 1331911
bnf_get_sunits 1367775
rnf_get_absdegree 1392746
bnr_get_nf 1399073
guncloneNULL_deep 1425681
zero_Flx 1426826
constant_coeff 1441122
Rg_col_ei 1450979
inf_get_sign 1452962
vecsmall_concat 1464174
nf_get_varn 1503755
bid_get_mod 1521922
F2m_flip 1553382
F2v_flip 1553382
F2x_flip 1553383
F2x_div 1557379
uutoQ 1600198
nf_get_roots 1628947
bnf_get_gen 1680309
vec_ei 1713803
mkvecsmall5 1717498
gsubgs 1724810
ulogint 1725447
nf_get_roundG 1748206
abgrp_get_gen 1765022
ellinf 1869973
modpr_get_p 1887627
killblock 1915120
get_F2x_degree 1928900
Flx_div 1997929
ellnf_get_nf 2027225
ellff_get_field 2036844
bnr_get_bid 2046092
ell_get_j 2126269
bid_get_MOD 2157236
bid_get_sprk 2157961
ZXQ_mul 2161167
zv_copy 2183704
bid_get_fact2 2201533
gc_slice 2204055
pol_xn 2249264
pari_realloc_ip 2255216
bid_get_archp 2397076
bid_get_fact 2498912
get_F2x_mod 2499251
rnf_get_degree 2506335
bnr_get_cyc 2522572
get_F2x_var 2533873
ell_get_b4 2550216
Flv_copy 2554959
mul_content 2657228
RgX_coeff 2669861
vecslicepermute 2690244
hash_str 2756814
cyc_get_expo 2757549
perm_inv 2781899
sqrtnr 2810195
zero_Flm 2829299
bnr_get_clgp 2830251
rnf_get_pol 2845192
znstar_get_pe 2869063
F2x_equal1 2873941
bnf_get_logfu 2874747
gisdouble 2996152
mkpolmod 3103727
Fq_red 3106298
bit_accuracy_mul 3175484
ZV_to_zv 3211408
identity_perm 3241405
F3m_coeff 3255868
identity_zv 3265755
znstar_get_conreygen 3290176
ell_get_b8 3297414
get_FpX_mod 3394351
vec_append 3465041
zero_F2v 3647469
bid_get_U 3680217
bnf_get_cyc 3686149
bnr_get_bnf 3710943
nf_get_index 3711391
pol_1 3755704
pol_x 3857096
ell_get_b6 3863115
mulsubii 3880749
pol1_F2x 3956847
vec_to_vecsmall 4036630
vecsmall_append 4099537
sqrfrac 4148214
vecsmall_copy 4403853
mkcol2s 4416244
F2x_equal 4607108
FpXQX_renormalize 4694185
mkmat 4750888
qfb_disc3 4996186
mkfraccopy 4999659
is_rational_t 5032523
bnf_get_clgp 5374996
nf_get_zkprimpart 5413970
nf_get_zkden 5459783
pari_stack_delete 5545994
FpX_div 5581115
checkell_i 5593196
isintm1 5710168
bid_get_cyc 5739789
bid_get_grp 5804636
col_ei 5924502
pari_stack_init 6051278
get_FpX_degree 6424488
Flm_copy 6433432
sqrti 6610148
get_FpX_var 6958034
RgX_div 7000642
vecsmall_lexcmp 7043259
ell_get_a2 7106179
ZM_lll 7118049
RgX_gtofp 7144796
znstar_get_faN 7331711
ell_get_b2 7371027
ZX_is_monic 7374306
zc_to_ZC 7824483
vecsmall_to_col 7838665
znstar_get_conreycyc 7979693
F2m_coeff 8035706
Q_abs 8062662
mkintmod 8092512
ZV_ZV_mod 8131455
RgM_gtofp 8258476
Flx_equal1 8329761
gc_INT_affii 8488006
ell_get_a4 8536720
Flm_row 8741300
ell_get_a3 8814043
ell_get_a1 8997076
cxtofp 9079355
veclast 9372693
ismpzero 9584547
is_intreal_t 9584653
const_col 9729684
RgM_dimensions 9741662
nf_get_invzk 9767297
bnf_get_nf 9865135
mkvec4 10093795
ser_isexactzero 10120284
ell_get_a6 10370958
mkcol 10639539
ZC_hnfrem 10697462
mul_denom 10707722
ell_get_c4 11017669
Fp_addmul 11233097
vectrunc_init 11766907
pr_get_gen 12071050
abgrp_get_cyc 12230763
F2x_clear 12351790
F2v_clear 12352264
ell_get_type 12498683
nbits2nlong 12744913
pol0_F2x 13193605
ell_get_c6 13474132
gmax_shallow 13510200
modpr_get_T 13867099
closure_get_frame 14158222
zeromatcopy 14250704
rowpermute 14705355
Fp_div 15035233
Fp_divu 15129695
mkvec5 15185641
vectrunc_append 15851414
pr_get_e 16161930
ell_get_disc 16814619
matslice 16819421
normalize_frac 17205429
pr_is_inert 17223874
isint1 17584803
Fp_center_i 18019230
cxcompotor 18210430
qfb_disc 18502516
mkvecsmall4 18649782
const_vecsmall 19706398
vecpermute 20547289
Fp_double 20814691
Flx_div_pre 21683923
nf_get_M 21745637
RgM_shallowcopy 22179489
RgX_is_ZX 22423140
gmulgs 22580497
Fp_inv 23440637
nf_get_r1 23466091
ZV_isscalar 23674860
get_Flx_mod 25594899
pr_get_f 26442667
RgX_equal_var 26883019
shallowcopy 27631776
mkqfb 27930507
zerovec 28453450
modpr_get_pr 31236523
Fp_neg 31477236
hash_str_len 31544994
submulii 31982591
RgV_is_ZV 32158277
mkmat2 33654650
RgC_gtofp 34033550
const_vec 34478809
zero_zv 36718421
polx_Flx 37482207
lincombii 38225631
znstar_get_N 38655073
mkfrac 41638000
zeropol 42354008
powii 43130399
is_vec_t 43933303
closure_is_variadic 44790183
absfrac 46638842
guncloneNULL 47921551
pr_get_tau 49767830
mkmat22 50282664
ell_is_inf 52374025
QV_isscalar 54416446
pol1_Flx 55053207
zero_Flv 59655209
F2x_copy 59675491
addmuliu_inplace 59720321
submuliu_inplace 60211500
gtodouble 60777599
is_real_t 62062464
qfb_is_qfi 62316355
Fp_sqr 63450467
Fp_mulu 67684621
get_Flx_var 68349818
mkvec 71107271
nf_get_degree 71370134
Fp_center 77161047
vecsmallpermute 78696820
rowslice 79311151
sqrtr 80371309
perm_mul 80892209
Fp_red 82192527
get_Flx_degree 82365147
pol_0 82996637
gtos 85855685
is_noncalc_t 85872287
cxnorm 91198184
mkcomplex 91607716
pr_get_p 92749766
dbllog2r 92814445
nf_get_pol 98108053
vecsmalltrunc_append 100811088
F2v_set 101400912
cgiv 102667333
RgX_copy 103406643
pol0_Flx 103424543
prec2nbits 103961135
mkvecsmall3 104166804
vecsmall_prefixcmp 108088071
gc_all 109637757
F2x_renormalize 114321595
mkvec3 118132237
zerocol 122335800
gaddgs 123248621
both_odd 123927975
F2x_set 124520864
nchar2nlong 127392967
mkvecsmall 131585579
equalim1 139505366
bit_prec 143248906
FpX_renormalize 144209225
ZX_renormalize 154973283
mkcol2 156885290
nbrows 157464910
leading_coeff 170260925
Flx_copy 173185471
Fp_add 180997484
mkvec2 185290592
nbits2prec 186120522
vecsmalltrunc_init 189747811
Fp_mul 200734606
Fp_sub 202455887
mkvecsmall2 234823625
gtofp 254349733
gc_GEN 255464341
gmulgu 282059385
lg_increase 317453043
closure_get_data 321680489
closure_get_oper 321702221
closure_codestr 321722434
is_universal_constant 325833349
lgcols 351597225
closure_arity 371575387
is_scalar_t 375657544
bin_copy 496054973
pari_free 509440911
is_bigint 563373224
leafcopy_avma 577351086
vecslice 655934733
is_matvec_t 659636334
F2v_coeff 661303246
F2x_coeff 667835386
pari_malloc 745357575
pari_stack_new 925073040
GENbinbase 961890457
pari_stack_alloc 1019761182
pari_stack_base 1025241057
gc_leaf 1136779916
equali1 1174337707
nbits2extraprec 1457783152
gc_upto 1953518688
odd 2089686944
is_pm1 2205277526
lgpol 2683676342
isintzero 2843466849
bit_accuracy 3155496466
gc_INT 4110521530
prec2lg 4468302779
is_const_t 4897410432
degpol 5491275631
remsBIL 7997288728
icopy_avma 8039608523
divsBIL 8087931372
isonstack 8271673002
is_recursive_t 9234108471

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