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 30585-4c42182400) Lines: 1421 1535 92.6 %
Date: 2025-12-23 09:21:19 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 126
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 238
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 8365
vectrunc_append_batch 9667
prec2ndec 9778
cgetalloc 10166
gchar_get_Ui 10983
vec_shorten 11557
ZX_equal1 12850
R_abs_shallow 13097
gchar_get_nfprec 13468
closure_get_dbg 13621
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 25859
nfV_to_scalar_or_alg 26300
gal_get_den 27866
gal_get_invvdm 27873
absfrac_shallow 28237
gequalgs 29176
zerovec_block 29619
gener_Fq_local 29946
gal_get_roots 32731
gchar_get_basis 32816
F2xqX_div 33173
ndec2prec 33279
mkcolcopy 33535
Qtoss 35322
gal_get_pol 36315
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37051
gchar_get_nc 37261
F2v_to_F2x 37652
FqX_rem 37743
FqX_div 38567
FqX_deriv 40061
mkcols 40411
bid_get_arch 41187
ndec2nlong 41549
znstar_get_Ui 46788
pari_calloc 47713
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50519
get_FpXQX_var 51630
locs_get_cyc 52136
div_content 58517
RgX_fpnorml2 61496
err_get_num 62522
bid_get_gen 64274
nf_get_ramified_primes 64645
RgX_is_rational 68164
FqX_sub 68607
mkquad 69118
FqX_div_by_X_x 69629
quadnorm 69881
FqX_sqr 71855
bid_get_ideal 72842
Fq_to_FpXQ 73792
vecsmall_shorten 75545
bnr_get_mod 77118
gal_get_group 80388
mkcol3 88314
gtou 99434
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108780
zeromat 109153
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114509
Q_abs_shallow 120231
mkmatcopy 122233
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138670
zeroser 138908
RgV_is_QV 140731
FqX_factor 140946
get_FpXQX_mod 146583
FlxqX_div_pre 165411
znstar_get_U 176107
rowslicepermute 184709
vecsmall_prepend 186970
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200468
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220242
mkcol6 232470
ellR_get_prec 232750
zero_Flm_copy 238021
gchar_get_nf 243946
Fp_halve 247138
affc_fixlg 249622
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277490
gchar_get_zm 281911
bnf_get_tuN 283003
bnf_get_fu_nocheck 289073
bnf_get_tuU 303575
nf_get_G 303823
vec_prepend 313994
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 334003
cxtoreal 337206
upr_norm 346134
RgX_renormalize 349807
abgrp_get_no 354929
ZM_hnfrem 363780
FqX_mul 367703
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384917
RgX_is_QX 399929
perm_conj 418299
FqX_Fq_mul 427295
FqX_extgcd 444663
Z_issquare 458665
nf_get_disc 463495
precdbl 475380
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
zv_to_ZV 502982
vecsmall_to_vec 511781
nf_get_sign 519551
mkvec3s 524441
gdivsg 531590
addmuliu 535763
FqX_Fp_mul 571433
prec2nbits_mul 581166
vecsmall_ei 584734
ZM_ZV_mod 596458
RgC_fpnorml2 619838
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698439
coltrunc_init 740250
logint 754833
gcmpgs 761918
row 763891
rnf_get_nf 786086
ellff_get_a4a6 800020
zero_F2m_copy 845010
FpXX_renormalize 849896
zeropadic 855582
gmin_shallow 877645
affgr 898866
ZXQ_sqr 960403
cgetc 975459
Flx_lead 979511
polx_F2x 1073205
pr_norm 1089819
sstoQ 1097215
Fp_invsafe 1100361
Flx_mulu 1105300
vecsmall_max 1164439
mkfracss 1209563
RgV_isscalar 1210276
gen_I 1269705
RgX_is_monomial 1331765
mkoo 1331882
bnf_get_sunits 1367773
bnr_get_nf 1368094
rnf_get_absdegree 1392746
zero_Flx 1426543
guncloneNULL_deep 1433473
constant_coeff 1441280
Rg_col_ei 1451146
inf_get_sign 1452925
vecsmall_concat 1464196
nf_get_varn 1503740
bid_get_mod 1521921
F2m_flip 1553413
F2v_flip 1553413
F2x_flip 1553413
F2x_div 1557248
uutoQ 1600198
nf_get_roots 1627894
bnf_get_gen 1680312
ulogint 1713571
vec_ei 1713887
mkvecsmall5 1717773
gsubgs 1724810
nf_get_roundG 1747357
abgrp_get_gen 1765025
ellinf 1869664
modpr_get_p 1888401
killblock 1919493
get_F2x_degree 1928959
Flx_div 1997993
ellnf_get_nf 2027609
ellff_get_field 2036851
bnr_get_bid 2046090
ell_get_j 2126227
bid_get_MOD 2157247
bid_get_sprk 2157970
ZXQ_mul 2161162
zv_copy 2183625
bid_get_fact2 2201566
gc_slice 2204187
pol_xn 2249698
pari_realloc_ip 2256043
bid_get_archp 2397084
bid_get_fact 2498906
get_F2x_mod 2499218
rnf_get_degree 2506335
bnr_get_cyc 2522544
get_F2x_var 2533869
ell_get_b4 2550216
Flv_copy 2554887
mul_content 2654325
RgX_coeff 2669861
vecslicepermute 2689356
hash_str 2756814
cyc_get_expo 2757765
perm_inv 2781893
sqrtnr 2809079
zero_Flm 2829193
bnr_get_clgp 2830216
rnf_get_pol 2845192
znstar_get_pe 2869063
F2x_equal1 2874103
bnf_get_logfu 2874752
gisdouble 2991542
mkpolmod 3104032
Fq_red 3106361
bit_accuracy_mul 3175472
ZV_to_zv 3211405
identity_perm 3241148
F3m_coeff 3255865
identity_zv 3265498
znstar_get_conreygen 3290176
ell_get_b8 3297414
get_FpX_mod 3394361
vec_append 3465039
zero_F2v 3647487
bid_get_U 3680223
bnf_get_cyc 3686577
nf_get_index 3711579
bnr_get_bnf 3751382
pol_1 3755657
pol_x 3857481
ell_get_b6 3863115
mulsubii 3881904
pol1_F2x 3957030
vec_to_vecsmall 4036600
vecsmall_append 4098898
sqrfrac 4148172
vecsmall_copy 4403881
mkcol2s 4416244
F2x_equal 4607352
FpXQX_renormalize 4693799
mkmat 4751066
qfb_disc3 4995003
mkfraccopy 4999458
is_rational_t 5032314
bnf_get_clgp 5375421
nf_get_zkprimpart 5417782
nf_get_zkden 5463583
pari_stack_delete 5576818
FpX_div 5581294
checkell_i 5593411
isintm1 5710250
bid_get_cyc 5739779
bid_get_grp 5804631
col_ei 5925160
pari_stack_init 6051121
get_FpX_degree 6424429
Flm_copy 6433540
sqrti 6664681
get_FpX_var 6957647
RgX_div 7000740
vecsmall_lexcmp 7043258
ell_get_a2 7106182
ZM_lll 7116681
RgX_gtofp 7144691
znstar_get_faN 7331711
ell_get_b2 7371021
ZX_is_monic 7374315
zc_to_ZC 7824094
vecsmall_to_col 7838274
znstar_get_conreycyc 7979693
F2m_coeff 8036108
Q_abs 8062514
mkintmod 8092528
ZV_ZV_mod 8131430
RgM_gtofp 8258007
Flx_equal1 8329847
gc_INT_affii 8488506
ell_get_a4 8536723
Flm_row 8741295
ell_get_a3 8814041
ell_get_a1 8997074
cxtofp 9080420
veclast 9372691
ismpzero 9585621
is_intreal_t 9585719
const_col 9729674
RgM_dimensions 9741410
nf_get_invzk 9767736
bnf_get_nf 9864707
mkvec4 10092824
ser_isexactzero 10120284
ell_get_a6 10370961
mkcol 10639936
ZC_hnfrem 10695838
mul_denom 10711275
ell_get_c4 11018254
Fp_addmul 11240513
vectrunc_init 11767100
pr_get_gen 12067500
abgrp_get_cyc 12231170
F2v_clear 12352404
F2x_clear 12352409
ell_get_type 12499463
nbits2nlong 12750227
pol0_F2x 13193369
ell_get_c6 13474684
gmax_shallow 13510199
modpr_get_T 13867731
closure_get_frame 14158157
zeromatcopy 14248694
rowpermute 14705344
Fp_div 15035312
Fp_divu 15129797
mkvec5 15185840
vectrunc_append 15848306
pr_get_e 16102306
ell_get_disc 16815476
matslice 16818357
pr_is_inert 17146571
normalize_frac 17205324
isint1 17585202
Fp_center_i 18020395
cxcompotor 18212507
qfb_disc 18501198
mkvecsmall4 18666698
const_vecsmall 19700773
vecpermute 20542859
Fp_double 20876807
nf_get_M 21307150
Flx_div_pre 21683997
RgM_shallowcopy 22174222
RgX_is_ZX 22423604
gmulgs 22535676
nf_get_r1 23027601
ZV_isscalar 23234025
Fp_inv 23438676
get_Flx_mod 25593442
pr_get_f 26342726
RgX_equal_var 26883192
shallowcopy 27625679
mkqfb 27928125
zerovec 28453518
modpr_get_pr 31238464
Fp_neg 31479423
hash_str_len 31545534
RgV_is_ZV 32156430
submulii 32838964
mkmat2 33651753
RgC_gtofp 34029849
const_vec 34472575
zero_zv 36718475
polx_Flx 37481634
lincombii 38211044
znstar_get_N 38655073
mkfrac 41635538
zeropol 42358498
powii 43120000
is_vec_t 43950458
closure_is_variadic 44788333
absfrac 46638204
guncloneNULL 47930387
pr_get_tau 49565125
mkmat22 50249632
ell_is_inf 52328096
QV_isscalar 54415638
pol1_Flx 55052188
zero_Flv 59639096
addmuliu_inplace 59710884
F2x_copy 59797858
submuliu_inplace 60192470
gtodouble 60782790
is_real_t 62062468
qfb_is_qfi 62260522
Fp_sqr 63736557
Fp_mulu 66585230
get_Flx_var 68348500
mkvec 71138916
nf_get_degree 71365915
Fp_center 77185633
vecsmallpermute 78698210
rowslice 79321961
sqrtr 80371216
perm_mul 80893501
get_Flx_degree 81786952
Fp_red 82188875
pol_0 83001152
gtos 85855550
is_noncalc_t 85875545
cxnorm 91203645
mkcomplex 91620377
pr_get_p 92476650
dbllog2r 92818867
nf_get_pol 98076158
vecsmalltrunc_append 100842626
F2v_set 101401237
cgiv 102244914
RgX_copy 103407161
pol0_Flx 103418412
prec2nbits 103962885
mkvecsmall3 104181668
vecsmall_prefixcmp 108088071
gc_all 109576355
F2x_renormalize 114412831
mkvec3 116362280
zerocol 122322610
gaddgs 123248616
both_odd 123917339
F2x_set 124549660
nchar2nlong 127383193
mkvecsmall 131572004
equalim1 139504944
bit_prec 142796840
FpX_renormalize 144200730
ZX_renormalize 154973672
mkcol2 156793393
nbrows 157435620
leading_coeff 170260270
Flx_copy 173161176
Fp_add 181019234
mkvec2 184828792
nbits2prec 186112457
vecsmalltrunc_init 189043746
Fp_mul 200730795
Fp_sub 203154586
mkvecsmall2 234789579
gtofp 254297566
gc_GEN 255327330
gmulgu 282059385
lg_increase 314723167
closure_get_data 321537485
closure_get_oper 321561385
closure_codestr 321583802
is_universal_constant 325780607
lgcols 350601381
closure_arity 371436602
is_scalar_t 375660320
bin_copy 495825184
pari_free 509189781
is_bigint 562902212
leafcopy_avma 577168629
vecslice 656218196
is_matvec_t 659590388
F2v_coeff 661305630
F2x_coeff 667871800
pari_malloc 745087112
pari_stack_new 925075371
GENbinbase 961449703
pari_stack_alloc 1019767772
pari_stack_base 1025290116
gc_leaf 1133323156
equali1 1174058606
nbits2extraprec 1456986435
gc_upto 1951810288
odd 2088025308
is_pm1 2202491514
lgpol 2678685790
isintzero 2842291477
bit_accuracy 3152098031
gc_INT 4106827829
prec2lg 4468166125
is_const_t 4893817450
degpol 5482991637
remsBIL 7993689794
icopy_avma 8034752298
divsBIL 8084603285
isonstack 8263125221
is_recursive_t 9233683586

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