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 30838-aa3635ec72) Lines: 1421 1535 92.6 %
Date: 2026-04-27 09:26:59 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
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
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
closure_get_code 28
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
vecsmall_isin 84
vecsmall_pack 84
gal_get_e 91
pari_err_COPRIME 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
zero_F2x 1181
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
rnf_get_idealdisc 1386
rnf_get_alpha 1428
ellQp_get_zero 1463
gchar_set_basis 1575
gchar_set_cyc 1575
gchar_get_sfu 1743
gchar_set_evalprec 1813
mkintmodu 1834
gchar_get_nm 1869
pari_realloc 1887
RgXQX_div 1904
mkpadic 2009
gchar_get_nalg 2044
gchar_set_nf 2110
gchar_set_u0 2121
vecreverse_inplace 2605
rnf_get_ramified_primes 2849
pari_err_DOMAIN 2876
gchar_set_nfprec 2968
vecsmall_reverse 3052
vecsmall_to_vec_inplace 3304
gchar_get_m0 3318
pari_err_TYPE2 3493
get_FpXQX_degree 3589
vecsmall_min 3710
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
matpascal 4683
rnf_get_zk 4830
rnf_get_nfvarn 4886
idealchineseinit 5427
pari_stack_pushp 5842
FqX_get_red 6090
gal_get_p 6118
gval 6237
FqXn_expint 6590
gal_get_orders 6706
is_extscalar_t 6904
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 8120
gchar_get_mod 8225
locs_get_mod 8225
ndec2nbits 8270
FqX_gcd 8288
bnf_get_no 8372
vectrunc_append_batch 9667
prec2ndec 9778
cgetalloc 10157
ZX_equal1 10488
gchar_get_Ui 10983
vec_shorten 11557
R_abs_shallow 13097
gchar_get_nfprec 13468
closure_get_dbg 13660
zx_renormalize 14049
pari_err_TYPE 15370
gal_get_gen 15491
znstar_get_gen 16150
gchar_get_cyc 16177
mkmat3 17001
zeropadic_shallow 17150
gchar_get_r1 17444
Fp_muls 17780
gchar_get_prec 18795
vec_lengthen 18960
FqX_halve 19411
pari_err_INV 20025
FpXY_Fq_evaly 20587
rnf_get_nfdegree 21455
FqX_mulu 21942
gtomp 22428
RgM_fpnorml2 22654
FqXQ_mul 22766
nf_get_Tr 23348
ZV_dvd 23485
gal_get_mod 23870
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
gchar_get_basis 32816
gal_get_roots 32844
F2xqX_div 33173
ndec2prec 33356
mkcolcopy 33579
Qtoss 35364
gal_get_pol 36428
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37150
gchar_get_nc 37261
FqX_rem 37743
F2v_to_F2x 37835
FqX_div 38567
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41626
znstar_get_Ui 46788
FqX_degfact 47786
pari_calloc 48043
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50519
get_FpXQX_var 51630
locs_get_cyc 52136
div_content 58511
RgX_fpnorml2 61608
err_get_num 62596
bid_get_gen 64274
nf_get_ramified_primes 64645
RgX_is_rational 68156
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 75756
bnr_get_mod 77118
gal_get_group 80414
mkcol3 88314
cyclic_perm 99932
gtou 100711
mkcol4 103467
zv_to_zx 104146
mkmoo 108903
zeromat 109021
RgV_isin 110158
RgV_isin_i 110158
mkvec2copy 114533
Q_abs_shallow 120221
mkmatcopy 122304
mkveccopy 122528
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138818
zeroser 139013
FqX_factor 140960
RgV_is_QV 141999
get_FpXQX_mod 146583
FlxqX_div_pre 165410
znstar_get_U 176107
vecsmall_prepend 186977
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200653
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220743
mkcol6 232470
ellR_get_prec 232750
rowslicepermute 234596
zero_Flm_copy 238317
gchar_get_nf 243946
Fp_halve 247271
affc_fixlg 249621
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264435
bnr_get_no 277490
gchar_get_zm 281911
bnf_get_tuN 282986
bnf_get_fu_nocheck 289076
bnf_get_tuU 303568
nf_get_G 304887
vec_prepend 313915
get_FlxqX_degree 317580
rnf_get_polabs 327628
cxtoreal 337203
upr_norm 346136
RgX_renormalize 349807
FqX_mul 368261
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 385004
RgX_is_QX 399938
ZM_hnfrem 401412
abgrp_get_no 406737
perm_conj 418299
FqX_Fq_mul 427301
FqX_extgcd 445777
nf_get_disc 463572
precdbl 476397
RgX_shift_inplace 479448
RgX_shift_inplace_init 479448
Z_issquare 509456
nf_get_sign 519602
mkvec3s 524441
addmuliu 541635
ellff_get_a4a6 551469
gdivsg 561181
zv_to_ZV 569244
FqX_Fp_mul 573023
vecsmall_to_vec 578043
prec2nbits_mul 581096
vecsmall_ei 585133
ZM_ZV_mod 610646
RgC_fpnorml2 619947
powIs 620095
FqX_is_squarefree 683802
vecreverse 697305
mkrfrac 698439
coltrunc_init 740257
logint 755031
gcmpgs 761933
row 763903
rnf_get_nf 786086
zero_F2m_copy 845231
FpXX_renormalize 849322
zeropadic 857408
affgr 899650
gmin_shallow 899719
ellinf 913918
ZXQ_sqr 960617
cgetc 975442
Flx_lead 1069126
polx_F2x 1074034
pr_norm 1090615
Flx_constant 1091671
Fp_invsafe 1097242
sstoQ 1097313
Flx_mulu 1105490
vecsmall_max 1177573
mkfracss 1209563
RgV_isscalar 1210271
gen_I 1268865
RgX_is_monomial 1326904
mkoo 1332121
bnf_get_sunits 1367772
rnf_get_absdegree 1392746
bnr_get_nf 1399084
constant_coeff 1442694
Rg_col_ei 1451082
inf_get_sign 1453245
vecsmall_concat 1464623
guncloneNULL_deep 1498236
nf_get_varn 1503753
bid_get_mod 1521920
F2m_flip 1553630
F2v_flip 1553630
F2x_flip 1553630
F2x_div 1558307
uutoQ 1602144
nf_get_roots 1628920
bnf_get_gen 1680313
zv_copy 1687949
vec_ei 1714738
mkvecsmall5 1718729
gsubgs 1731078
nf_get_roundG 1748566
abgrp_get_gen 1765025
ellff_get_field 1790627
modpr_get_p 1887626
get_F2x_degree 1928583
killblock 1952944
Flx_div 1999793
ellnf_get_nf 2027241
bnr_get_bid 2046090
Flv_copy 2059213
ulogint 2086101
ell_get_j 2126269
bid_get_MOD 2157256
bid_get_sprk 2157979
ZXQ_mul 2166234
get_F2x_var 2168719
bid_get_fact2 2201571
gc_slice 2211514
pol_xn 2253494
pari_realloc_ip 2348193
bid_get_archp 2397092
bid_get_fact 2498903
rnf_get_degree 2506335
bnr_get_cyc 2522562
ell_get_b4 2550293
mul_content 2657516
cyc_get_expo 2757533
hash_str 2781054
sqrtnr 2810816
bnr_get_clgp 2830243
zero_Flm 2831138
rnf_get_pol 2845192
vecslicepermute 2858828
znstar_get_pe 2869063
F2x_equal1 2873718
bnf_get_logfu 2874757
RgX_coeff 2889731
gisdouble 2996660
mkpolmod 3075550
Fq_red 3106400
bit_accuracy_mul 3175733
ZV_to_zv 3211716
identity_perm 3243453
F3m_coeff 3255556
zero_Flx 3255579
identity_zv 3267815
znstar_get_conreygen 3290526
ell_get_b8 3297414
get_F2x_mod 3307676
get_FpX_mod 3387874
vec_append 3469001
zero_F2v 3656470
bid_get_U 3680233
bnf_get_cyc 3686607
bnr_get_bnf 3710943
nf_get_index 3711967
perm_inv 3747445
pol_1 3752574
ell_get_b6 3863192
pol_x 3865125
mulsubii 3894089
vec_to_vecsmall 4040773
vecsmall_append 4114698
F2x_equal 4134447
sqrfrac 4200938
mkcol2s 4416244
FpXQX_renormalize 4692222
pol1_F2x 4769077
mkmat 4780985
qfb_disc3 4995428
mkfraccopy 5007078
is_rational_t 5016957
bnf_get_clgp 5375460
nf_get_zkprimpart 5416314
nf_get_zkden 5462165
FpX_div 5582165
bid_get_cyc 5739782
bid_get_grp 5804630
pari_stack_delete 5853110
col_ei 5925185
isintm1 6086895
pari_stack_init 6347243
Flm_copy 6434495
sqrti 6612473
get_FpX_var 6952155
get_FpX_degree 6969362
RgX_div 6998185
vecsmall_lexcmp 7043259
ZM_lll 7136675
RgX_gtofp 7164696
ZX_is_monic 7319858
znstar_get_faN 7334819
vecsmall_copy 7341188
ell_get_b2 7371405
zc_to_ZC 7910715
vecsmall_to_col 7925260
znstar_get_conreycyc 7982108
mkintmod 8066795
Q_abs 8078468
checkell_i 8104028
ZV_ZV_mod 8146972
Flx_equal1 8196085
RgM_gtofp 8258156
F2m_coeff 8356720
Flm_row 8743676
cxtofp 9093725
veclast 9374228
ismpzero 9713047
is_intreal_t 9713153
const_col 9730099
nf_get_invzk 9774605
bnf_get_nf 9866270
RgM_dimensions 9955339
mkvec4 10156499
ell_get_a4 10325147
ell_get_a6 10371107
mkcol 10653875
ZC_hnfrem 10697343
mul_denom 10753480
ell_get_c4 11019035
ell_get_a2 11108729
Fp_addmul 11283828
ser_isexactzero 11434317
gc_INT_affii 11570190
vectrunc_init 11767859
pr_get_gen 12072462
abgrp_get_cyc 12231191
F2v_clear 12360583
F2x_clear 12360584
nbits2nlong 12774971
ell_get_a3 12863767
zeropol 12889613
ell_get_c6 13474680
gmax_shallow 13510228
modpr_get_T 13867055
zeromatcopy 14379271
closure_get_frame 14690586
rowpermute 14759150
ell_get_type 14946203
Fp_div 15034680
Fp_divu 15129202
mkvec5 15187580
vectrunc_append 15854894
pr_get_e 16167739
ell_get_disc 16816344
matslice 16824795
ell_get_a1 17049200
pr_is_inert 17224683
pol0_F2x 17310205
normalize_frac 17568482
isint1 17994658
Fp_center_i 18040044
cxcompotor 18239132
qfb_disc 18502575
mkvecsmall4 18664349
const_vecsmall 18860975
Fp_double 20928084
vecpermute 21109780
Flx_div_pre 21705664
nf_get_M 21741438
RgM_shallowcopy 22227414
RgX_is_ZX 22316472
Fp_inv 23413116
nf_get_r1 23466318
ZV_isscalar 23675265
gmulgs 23888544
get_Flx_mod 25497876
pr_get_f 26444669
RgX_equal_var 26880501
pol_0 27168794
shallowcopy 27897408
mkqfb 27929030
zerovec 29348419
modpr_get_pr 31236511
hash_str_len 31624569
submulii 31985063
RgV_is_ZV 32096693
Fp_neg 32672286
mkmat2 33656364
RgC_gtofp 34036568
const_vec 34636739
polx_Flx 37496002
lincombii 38275729
znstar_get_N 38658713
zero_zv 39498616
mkfrac 42558391
powii 43129910
is_vec_t 44046988
closure_is_variadic 45951601
absfrac 47729719
pr_get_tau 49774021
guncloneNULL 49821133
ell_is_inf 50164990
mkmat22 50261690
QV_isscalar 54419941
pol1_Flx 55724849
addmuliu_inplace 59569410
submuliu_inplace 60081340
is_real_t 61900637
zero_Flv 61979076
F2x_copy 63927299
Fp_sqr 64247483
qfb_is_qfi 64518231
Fp_mulu 65725656
gtodouble 66254488
get_Flx_var 68242661
mkvec 68948525
nf_get_degree 71376507
Fp_center 77266004
vecsmallpermute 78760962
rowslice 79464740
perm_mul 80957468
get_Flx_degree 82249547
Fp_red 82933360
gtos 85878200
sqrtr 87175409
is_noncalc_t 88516117
mkcomplex 92023973
pr_get_p 92761704
cxnorm 94252417
dbllog2r 94342157
nf_get_pol 98119478
vecsmalltrunc_append 100887195
gc_all 102449041
RgX_copy 102503838
mkvecsmall3 103260170
F2v_set 104113124
cgiv 105469741
prec2nbits 106961905
vecsmall_prefixcmp 108088071
pol0_Flx 111601284
mkvec3 119950832
gaddgs 123271121
both_odd 123338716
zerocol 125186746
F2x_renormalize 126957350
nchar2nlong 127847407
F2x_set 129777601
equalim1 139546751
mkvecsmall 140293738
bit_prec 143406858
FpX_renormalize 147160969
mkcol2 157043218
ZX_renormalize 157519831
nbrows 158347943
leading_coeff 169347940
Flx_copy 175792574
Fp_add 183491459
nbits2prec 189021482
Fp_sub 202129304
Fp_mul 203718334
mkvec2 214289153
vecsmalltrunc_init 242021859
gc_GEN 247009357
mkvecsmall2 256955013
gtofp 257215086
gmulgu 283360013
closure_get_data 305752838
closure_get_oper 305780126
closure_codestr 305803921
is_universal_constant 326503871
lgcols 352766982
closure_arity 356229952
is_scalar_t 403952648
lg_increase 440922100
bin_copy 472949045
pari_free 487293370
is_bigint 574389465
leafcopy_avma 593482504
vecslice 657513777
F2v_coeff 664424314
F2x_coeff 671032566
pari_malloc 723424942
is_matvec_t 743576377
pari_stack_new 910304615
GENbinbase 919141675
pari_stack_alloc 1005673956
pari_stack_base 1011467113
gc_leaf 1161326804
equali1 1171328471
nbits2extraprec 1497678127
gc_upto 1972793455
odd 2124324267
is_pm1 2217825766
lgpol 2619813724
isintzero 2848993147
bit_accuracy 3142534757
gc_INT 4138245247
prec2lg 4566140542
is_const_t 5001913207
degpol 5510021744
icopy_avma 8056038760
remsBIL 8148582732
divsBIL 8240120634
isonstack 8360738179
is_recursive_t 9112877756

Generated by: LCOV version 1.16