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 30603-c72b2decfc) Lines: 1420 1535 92.5 %
Date: 2026-01-07 09:21:48 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 22083
gtomp 22428
RgM_fpnorml2 22662
FqXQ_mul 22766
ZV_dvd 23485
gal_get_mod 23758
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25858
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 33279
mkcolcopy 33553
Qtoss 35322
gal_get_pol 36316
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37065
gchar_get_nc 37261
FqX_rem 37743
F2v_to_F2x 37810
FqX_div 38569
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41549
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 58504
RgX_fpnorml2 61495
err_get_num 62537
bid_get_gen 64274
nf_get_ramified_primes 64645
RgX_is_rational 68166
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 75638
bnr_get_mod 77119
gal_get_group 80387
mkcol3 88314
gtou 99532
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108792
zeromat 109084
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114523
Q_abs_shallow 120220
mkmatcopy 122286
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138435
zeroser 138908
RgV_is_QV 140733
FqX_factor 140946
get_FpXQX_mod 146583
FlxqX_div_pre 165413
znstar_get_U 176107
rowslicepermute 184948
vecsmall_prepend 186970
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200476
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220249
mkcol6 232470
ellR_get_prec 232750
zero_Flm_copy 238227
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 277485
gchar_get_zm 281911
bnf_get_tuN 283003
bnf_get_fu_nocheck 289093
bnf_get_tuU 303585
nf_get_G 304913
vec_prepend 314004
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 334019
cxtoreal 337207
upr_norm 346135
RgX_renormalize 349807
abgrp_get_no 354945
ZM_hnfrem 363759
FqX_mul 367704
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384910
RgX_is_QX 399928
perm_conj 418299
FqX_Fq_mul 427292
FqX_extgcd 444664
Z_issquare 458712
nf_get_disc 463473
precdbl 475370
RgX_shift_inplace 479399
RgX_shift_inplace_init 479399
zv_to_ZV 502982
vecsmall_to_vec 511781
nf_get_sign 519553
mkvec3s 524441
gdivsg 531589
addmuliu 535844
FqX_Fp_mul 571428
prec2nbits_mul 581165
vecsmall_ei 584737
ZM_ZV_mod 596483
RgC_fpnorml2 619848
FqX_is_squarefree 683802
vecreverse 697277
mkrfrac 698439
coltrunc_init 740250
logint 754830
gcmpgs 761923
row 763888
rnf_get_nf 786086
ellff_get_a4a6 800050
zero_F2m_copy 845059
FpXX_renormalize 849917
zeropadic 855547
gmin_shallow 877707
affgr 898866
ZXQ_sqr 960425
cgetc 975460
Flx_lead 977640
polx_F2x 1078336
pr_norm 1090531
sstoQ 1097215
Fp_invsafe 1100347
Flx_mulu 1105473
vecsmall_max 1164052
mkfracss 1209563
RgV_isscalar 1210271
gen_I 1269708
RgX_is_monomial 1331377
mkoo 1331937
bnf_get_sunits 1367776
rnf_get_absdegree 1392746
bnr_get_nf 1399075
guncloneNULL_deep 1425466
zero_Flx 1426891
constant_coeff 1441137
Rg_col_ei 1451011
inf_get_sign 1452992
vecsmall_concat 1464201
nf_get_varn 1503557
bid_get_mod 1521922
F2m_flip 1554251
F2v_flip 1554251
F2x_flip 1554251
F2x_div 1570440
uutoQ 1600198
nf_get_roots 1628976
bnf_get_gen 1680317
vec_ei 1713846
mkvecsmall5 1717566
ulogint 1722115
gsubgs 1724803
nf_get_roundG 1748213
abgrp_get_gen 1765028
ellinf 1870050
modpr_get_p 1887627
killblock 1915604
get_F2x_degree 1929147
Flx_div 1997989
ellnf_get_nf 2027237
ellff_get_field 2036899
bnr_get_bid 2046085
ell_get_j 2126269
bid_get_MOD 2157254
bid_get_sprk 2157975
ZXQ_mul 2161307
zv_copy 2183829
bid_get_fact2 2201576
gc_slice 2204168
pol_xn 2249289
pari_realloc_ip 2255574
bid_get_archp 2397114
bid_get_fact 2498932
get_F2x_mod 2499278
rnf_get_degree 2506335
bnr_get_cyc 2522567
get_F2x_var 2534122
ell_get_b4 2550216
Flv_copy 2555036
mul_content 2657084
RgX_coeff 2669861
vecslicepermute 2689667
hash_str 2756813
cyc_get_expo 2757552
perm_inv 2781825
sqrtnr 2810174
zero_Flm 2829329
bnr_get_clgp 2830237
rnf_get_pol 2845192
znstar_get_pe 2869063
F2x_equal1 2874165
bnf_get_logfu 2874761
gisdouble 2996282
mkpolmod 3103725
Fq_red 3106382
bit_accuracy_mul 3175472
ZV_to_zv 3211405
identity_perm 3241373
F3m_coeff 3255915
identity_zv 3265722
znstar_get_conreygen 3290176
ell_get_b8 3297414
get_FpX_mod 3394380
vec_append 3465073
zero_F2v 3647720
bid_get_U 3680231
bnf_get_cyc 3686148
bnr_get_bnf 3710939
nf_get_index 3711362
pol_1 3755743
pol_x 3857037
ell_get_b6 3863115
mulsubii 3881351
pol1_F2x 3958519
vec_to_vecsmall 4036625
vecsmall_append 4099579
sqrfrac 4148233
vecsmall_copy 4404004
mkcol2s 4416244
F2x_equal 4661281
FpXQX_renormalize 4694119
mkmat 4750970
qfb_disc3 4995762
mkfraccopy 4999461
is_rational_t 5032502
bnf_get_clgp 5375007
nf_get_zkprimpart 5414008
nf_get_zkden 5459796
pari_stack_delete 5553711
FpX_div 5581177
checkell_i 5593232
isintm1 5710131
bid_get_cyc 5739809
bid_get_grp 5804666
col_ei 5924484
pari_stack_init 6051665
get_FpX_degree 6424505
Flm_copy 6433506
sqrti 6610092
get_FpX_var 6957839
RgX_div 7000642
vecsmall_lexcmp 7043248
ell_get_a2 7106192
ZM_lll 7117433
RgX_gtofp 7144742
znstar_get_faN 7331711
ell_get_b2 7371036
ZX_is_monic 7374315
zc_to_ZC 7824204
vecsmall_to_col 7838378
znstar_get_conreycyc 7979693
F2m_coeff 8038734
Q_abs 8062617
mkintmod 8092846
ZV_ZV_mod 8131507
RgM_gtofp 8257405
Flx_equal1 8330038
gc_INT_affii 8485831
ell_get_a4 8536733
Flm_row 8741525
ell_get_a3 8814070
ell_get_a1 8997103
cxtofp 9080020
veclast 9372734
ismpzero 9584381
is_intreal_t 9584477
const_col 9729699
RgM_dimensions 9741946
nf_get_invzk 9767272
bnf_get_nf 9865149
mkvec4 10093879
ser_isexactzero 10120284
ell_get_a6 10370971
mkcol 10639707
ZC_hnfrem 10697321
mul_denom 10707512
ell_get_c4 11017689
Fp_addmul 11305909
vectrunc_init 11766764
pr_get_gen 12071002
abgrp_get_cyc 12230783
F2v_clear 12353977
F2x_clear 12353978
ell_get_type 12498744
nbits2nlong 12751353
pol0_F2x 13248869
ell_get_c6 13474173
gmax_shallow 13510198
modpr_get_T 13867097
closure_get_frame 14158289
zeromatcopy 14249224
rowpermute 14704878
Fp_div 15035504
Fp_divu 15130064
mkvec5 15185648
vectrunc_append 15850875
pr_get_e 16161761
ell_get_disc 16814476
matslice 16817863
normalize_frac 17205130
pr_is_inert 17223803
isint1 17584755
Fp_center_i 17995847
cxcompotor 18211788
qfb_disc 18502489
mkvecsmall4 18645926
const_vecsmall 19705724
vecpermute 20545641
Fp_double 20960040
Flx_div_pre 21682733
nf_get_M 21745737
RgM_shallowcopy 22179272
RgX_is_ZX 22423214
gmulgs 22594197
Fp_inv 23440767
nf_get_r1 23466262
ZV_isscalar 23674965
get_Flx_mod 25593846
pr_get_f 26442809
RgX_equal_var 26883011
shallowcopy 27631479
mkqfb 27929636
zerovec 28453649
modpr_get_pr 31236517
Fp_neg 31482938
hash_str_len 31544925
submulii 31982591
RgV_is_ZV 32158270
mkmat2 33654047
RgC_gtofp 34028569
const_vec 34478002
zero_zv 36733746
polx_Flx 37480219
lincombii 38222980
znstar_get_N 38655073
mkfrac 41640251
zeropol 42354024
powii 43130352
is_vec_t 43954560
closure_is_variadic 44790028
absfrac 46638704
guncloneNULL 47921597
pr_get_tau 49767759
mkmat22 50280543
ell_is_inf 52347439
QV_isscalar 54415750
pol1_Flx 55052273
addmuliu_inplace 59635536
zero_Flv 59674004
submuliu_inplace 60127928
F2x_copy 60422718
gtodouble 60779753
is_real_t 62062467
qfb_is_qfi 62317879
Fp_sqr 63750396
get_Flx_var 68347510
Fp_mulu 69111667
mkvec 71086680
nf_get_degree 71369202
Fp_center 77142428
vecsmallpermute 78691879
rowslice 79295824
sqrtr 80370945
perm_mul 80887387
Fp_red 82193520
pol_0 82996626
get_Flx_degree 83010456
gtos 85855685
is_noncalc_t 85870459
cxnorm 91198934
mkcomplex 91615236
pr_get_p 92749743
dbllog2r 92815588
nf_get_pol 98107526
vecsmalltrunc_append 100875162
F2v_set 101403492
cgiv 102676153
RgX_copy 103406697
pol0_Flx 103488599
prec2nbits 103961688
mkvecsmall3 104161394
vecsmall_prefixcmp 108088071
gc_all 109636274
F2x_renormalize 115257388
mkvec3 120070986
zerocol 122325222
gaddgs 123248612
both_odd 124030036
F2x_set 124792920
nchar2nlong 127388791
mkvecsmall 131651219
equalim1 139505259
bit_prec 143242934
FpX_renormalize 144203254
ZX_renormalize 154966999
mkcol2 156871553
nbrows 157460239
leading_coeff 170261141
Flx_copy 173176774
Fp_add 181221573
mkvec2 184679983
nbits2prec 186127235
vecsmalltrunc_init 188688031
Fp_mul 200834255
Fp_sub 202732768
mkvecsmall2 234832591
gtofp 254291071
gc_GEN 255455568
gmulgu 282059385
lg_increase 314221970
closure_get_data 321463070
closure_get_oper 321487663
closure_codestr 321508348
is_universal_constant 325939731
lgcols 351584747
closure_arity 371345860
is_scalar_t 375657380
bin_copy 496050808
pari_free 509441006
is_bigint 563382924
leafcopy_avma 577381873
vecslice 655788365
is_matvec_t 659429762
F2v_coeff 661321511
F2x_coeff 667973601
pari_malloc 745355666
pari_stack_new 924900106
GENbinbase 961883729
pari_stack_alloc 1019590136
pari_stack_base 1025077414
gc_leaf 1139369598
equali1 1174315180
nbits2extraprec 1457879126
gc_upto 1953504531
odd 2089255761
is_pm1 2205798593
lgpol 2690767747
isintzero 2843818587
bit_accuracy 3159735672
gc_INT 4111438696
prec2lg 4467932173
is_const_t 4896835204
degpol 5499662426
remsBIL 8000254352
icopy_avma 8039976381
divsBIL 8091066645
isonstack 8274744310
is_recursive_t 9234772337

Generated by: LCOV version 1.16