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 30589-01bb95f8b7) Lines: 1420 1535 92.5 %
Date: 2025-12-30 09:21:31 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 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 22085
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 33279
mkcolcopy 33540
Qtoss 35322
gal_get_pol 36316
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37051
gchar_get_nc 37261
FqX_rem 37743
F2v_to_F2x 37771
FqX_div 38567
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
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 58518
RgX_fpnorml2 61495
err_get_num 62522
bid_get_gen 64274
nf_get_ramified_primes 64644
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 75642
bnr_get_mod 77119
gal_get_group 80386
mkcol3 88314
gtou 99544
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108789
zeromat 109129
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114509
Q_abs_shallow 120229
mkmatcopy 122236
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138457
zeroser 138908
RgV_is_QV 140726
FqX_factor 140946
get_FpXQX_mod 146583
FlxqX_div_pre 165414
znstar_get_U 176107
rowslicepermute 184981
vecsmall_prepend 186970
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200474
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220243
mkcol6 232470
ellR_get_prec 232750
zero_Flm_copy 238202
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 277490
gchar_get_zm 281911
bnf_get_tuN 283000
bnf_get_fu_nocheck 289081
bnf_get_tuU 303573
nf_get_G 303830
vec_prepend 313995
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 334025
cxtoreal 337207
upr_norm 346135
RgX_renormalize 349807
abgrp_get_no 354943
ZM_hnfrem 363807
FqX_mul 367704
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384913
RgX_is_QX 399928
perm_conj 418299
FqX_Fq_mul 427289
FqX_extgcd 444665
Z_issquare 458708
nf_get_disc 463461
precdbl 475372
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
zv_to_ZV 502982
vecsmall_to_vec 511781
nf_get_sign 519544
mkvec3s 524441
gdivsg 531592
addmuliu 535709
FqX_Fp_mul 571426
prec2nbits_mul 581167
vecsmall_ei 584690
ZM_ZV_mod 596458
RgC_fpnorml2 619832
FqX_is_squarefree 683802
vecreverse 697277
mkrfrac 698438
coltrunc_init 740250
logint 754828
gcmpgs 761894
row 763904
rnf_get_nf 786086
ellff_get_a4a6 800012
zero_F2m_copy 845064
FpXX_renormalize 849917
zeropadic 855517
gmin_shallow 877704
affgr 898866
ZXQ_sqr 960430
cgetc 975460
Flx_lead 979021
polx_F2x 1078930
pr_norm 1089369
sstoQ 1097215
Fp_invsafe 1100359
Flx_mulu 1105470
vecsmall_max 1164206
mkfracss 1209563
RgV_isscalar 1210280
gen_I 1269694
RgX_is_monomial 1331295
mkoo 1331804
bnf_get_sunits 1367770
bnr_get_nf 1368094
rnf_get_absdegree 1392746
zero_Flx 1426541
guncloneNULL_deep 1428620
constant_coeff 1441141
Rg_col_ei 1450983
inf_get_sign 1452854
vecsmall_concat 1464258
nf_get_varn 1503558
bid_get_mod 1521921
F2m_flip 1554353
F2v_flip 1554353
F2x_flip 1554353
F2x_div 1571860
uutoQ 1600198
nf_get_roots 1627867
bnf_get_gen 1680308
vec_ei 1713854
mkvecsmall5 1717499
ulogint 1721934
gsubgs 1724804
nf_get_roundG 1747149
abgrp_get_gen 1765021
ellinf 1869785
modpr_get_p 1888403
killblock 1917566
get_F2x_degree 1928945
Flx_div 1997975
ellnf_get_nf 2027239
ellff_get_field 2036831
bnr_get_bid 2046086
ell_get_j 2126269
bid_get_MOD 2157243
bid_get_sprk 2157968
ZXQ_mul 2161288
zv_copy 2183761
bid_get_fact2 2201557
gc_slice 2204250
pol_xn 2249279
pari_realloc_ip 2256295
bid_get_archp 2397105
bid_get_fact 2498924
get_F2x_mod 2499245
rnf_get_degree 2506335
bnr_get_cyc 2522565
get_F2x_var 2533857
ell_get_b4 2550216
Flv_copy 2555000
mul_content 2654237
RgX_coeff 2669861
vecslicepermute 2690895
hash_str 2756815
cyc_get_expo 2757553
perm_inv 2781953
sqrtnr 2809138
zero_Flm 2829611
bnr_get_clgp 2830240
rnf_get_pol 2845192
znstar_get_pe 2869063
F2x_equal1 2874226
bnf_get_logfu 2874753
gisdouble 2992163
mkpolmod 3103719
Fq_red 3106307
bit_accuracy_mul 3175472
ZV_to_zv 3211408
identity_perm 3241494
F3m_coeff 3255916
identity_zv 3265844
znstar_get_conreygen 3290176
ell_get_b8 3297414
get_FpX_mod 3394352
vec_append 3465053
zero_F2v 3647733
bid_get_U 3680220
bnf_get_cyc 3686143
nf_get_index 3711322
bnr_get_bnf 3751382
pol_1 3755669
pol_x 3856878
ell_get_b6 3863115
mulsubii 3880947
pol1_F2x 3956579
vec_to_vecsmall 4036620
vecsmall_append 4099622
sqrfrac 4148118
vecsmall_copy 4403847
mkcol2s 4416244
F2x_equal 4668350
FpXQX_renormalize 4694177
mkmat 4750957
qfb_disc3 4994954
mkfraccopy 4999580
is_rational_t 5032361
bnf_get_clgp 5374989
nf_get_zkprimpart 5417330
nf_get_zkden 5463094
pari_stack_delete 5556278
FpX_div 5581143
checkell_i 5593255
isintm1 5710170
bid_get_cyc 5739785
bid_get_grp 5804643
col_ei 5924623
pari_stack_init 6050604
get_FpX_degree 6424337
Flm_copy 6433497
sqrti 6664631
get_FpX_var 6957814
RgX_div 7000642
vecsmall_lexcmp 7043229
ell_get_a2 7106177
ZM_lll 7116693
RgX_gtofp 7144843
znstar_get_faN 7331711
ell_get_b2 7371014
ZX_is_monic 7374313
zc_to_ZC 7824666
vecsmall_to_col 7838846
znstar_get_conreycyc 7979693
F2m_coeff 8038916
Q_abs 8062511
mkintmod 8092525
ZV_ZV_mod 8131361
RgM_gtofp 8258264
Flx_equal1 8329990
gc_INT_affii 8493064
ell_get_a4 8536718
Flm_row 8741247
ell_get_a3 8814030
ell_get_a1 8997063
cxtofp 9080122
veclast 9372681
ismpzero 9585706
is_intreal_t 9585813
const_col 9729613
RgM_dimensions 9741577
nf_get_invzk 9767431
bnf_get_nf 9863847
mkvec4 10093589
ser_isexactzero 10120284
ell_get_a6 10370956
mkcol 10639896
ZC_hnfrem 10695752
mul_denom 10710718
ell_get_c4 11017853
Fp_addmul 11218258
vectrunc_init 11768340
pr_get_gen 12067012
abgrp_get_cyc 12230762
F2v_clear 12354147
F2x_clear 12354156
ell_get_type 12498958
nbits2nlong 12745933
pol0_F2x 13246008
ell_get_c6 13474244
gmax_shallow 13510199
modpr_get_T 13867549
closure_get_frame 14157783
zeromatcopy 14249236
rowpermute 14705938
Fp_div 15035332
Fp_divu 15129772
mkvec5 15185591
vectrunc_append 15851455
pr_get_e 16101923
ell_get_disc 16815140
matslice 16818903
pr_is_inert 17145873
normalize_frac 17205497
isint1 17584703
Fp_center_i 18019494
cxcompotor 18211998
qfb_disc 18502537
mkvecsmall4 18659120
const_vecsmall 19700064
vecpermute 20545477
Fp_double 20830359
nf_get_M 21306662
Flx_div_pre 21686985
RgM_shallowcopy 22173445
RgX_is_ZX 22423122
gmulgs 22609348
nf_get_r1 23027018
ZV_isscalar 23233489
Fp_inv 23438766
get_Flx_mod 25593314
pr_get_f 26341578
RgX_equal_var 26883021
shallowcopy 27626327
mkqfb 27928022
zerovec 28453462
modpr_get_pr 31237845
Fp_neg 31476549
hash_str_len 31544553
RgV_is_ZV 32158323
submulii 32838828
mkmat2 33653875
RgC_gtofp 34033421
const_vec 34471849
zero_zv 36732911
polx_Flx 37482219
lincombii 38206994
znstar_get_N 38655073
mkfrac 41642056
zeropol 42354038
powii 43126989
is_vec_t 43939575
closure_is_variadic 44789185
absfrac 46638306
guncloneNULL 47923982
pr_get_tau 49564215
mkmat22 50255691
ell_is_inf 52347566
QV_isscalar 54413941
pol1_Flx 55052520
addmuliu_inplace 59653615
zero_Flv 59654580
submuliu_inplace 60141123
F2x_copy 60490629
gtodouble 60783124
is_real_t 62062469
qfb_is_qfi 62331473
Fp_sqr 63704639
get_Flx_var 68349623
Fp_mulu 68632327
mkvec 71124043
nf_get_degree 71362399
Fp_center 77231927
vecsmallpermute 78703053
rowslice 79326663
sqrtr 80374263
perm_mul 80898532
Fp_red 82193379
get_Flx_degree 82834259
pol_0 82996655
gtos 85855668
is_noncalc_t 85876009
cxnorm 91200847
mkcomplex 91612601
pr_get_p 92475296
dbllog2r 92817696
nf_get_pol 98072278
vecsmalltrunc_append 100933744
F2v_set 101403810
cgiv 102264403
RgX_copy 103406540
pol0_Flx 103468654
prec2nbits 103963910
mkvecsmall3 104171993
vecsmall_prefixcmp 108088071
gc_all 109630177
F2x_renormalize 115270371
mkvec3 119523209
zerocol 122329013
gaddgs 123248635
both_odd 123993531
F2x_set 124732651
nchar2nlong 127385375
mkvecsmall 131622788
equalim1 139505314
bit_prec 142814773
FpX_renormalize 144206933
ZX_renormalize 154977123
mkcol2 156813533
nbrows 157443721
leading_coeff 170260361
Flx_copy 173176710
Fp_add 180984533
mkvec2 185358052
nbits2prec 186130938
vecsmalltrunc_init 190234782
Fp_mul 200714700
Fp_sub 203085267
mkvecsmall2 234828227
gtofp 254329252
gc_GEN 255499934
gmulgu 282059385
lg_increase 318087430
closure_get_data 321677161
closure_get_oper 321693204
closure_codestr 321714203
is_universal_constant 325892085
lgcols 350619150
closure_arity 371577748
is_scalar_t 375660207
bin_copy 496003982
pari_free 509362743
is_bigint 562949795
leafcopy_avma 577206642
vecslice 656134213
is_matvec_t 659692218
F2v_coeff 661321669
F2x_coeff 667837776
pari_malloc 745263647
pari_stack_new 925140705
GENbinbase 961792293
pari_stack_alloc 1019830326
pari_stack_base 1025349691
gc_leaf 1137341561
equali1 1174221452
nbits2extraprec 1456978462
gc_upto 1951968601
odd 2089423581
is_pm1 2203521383
lgpol 2687851562
isintzero 2843076489
bit_accuracy 3156199126
gc_INT 4106791452
prec2lg 4468860728
is_const_t 4893783599
degpol 5496402064
remsBIL 7996575811
icopy_avma 8035638529
divsBIL 8087473716
isonstack 8267517037
is_recursive_t 9234300198

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