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 30552-d1d0643eee) Lines: 1419 1532 92.6 %
Date: 2025-11-21 09:22:16 Functions: 648 704 92.0 %
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
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
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
pari_err_DOMAIN 2841
rnf_get_ramified_primes 2849
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 4438
F2v_copy 4487
FpXQX_div 4526
rnf_get_zk 4830
rnf_get_nfvarn 4886
idealchineseinit 5427
pari_stack_pushp 5851
gal_get_p 6020
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 7742
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
prec2ndec 9778
cgetalloc 10166
gchar_get_Ui 10983
vec_shorten 11557
vectrunc_append_batch 12306
ZX_equal1 12893
R_abs_shallow 13097
gchar_get_nfprec 13468
closure_get_dbg 13621
zx_renormalize 14049
pari_err_TYPE 15391
gal_get_gen 15449
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 18946
FqX_halve 19411
pari_err_INV 20018
FpXY_Fq_evaly 20587
rnf_get_nfdegree 21455
FqX_mulu 21942
nf_get_Tr 22083
gtomp 22428
FqXQ_mul 22766
RgM_fpnorml2 22788
ZV_dvd 23485
gal_get_mod 23772
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25859
nfV_to_scalar_or_alg 26299
gal_get_den 27874
gal_get_invvdm 27880
absfrac_shallow 28237
zerovec_block 28947
gequalgs 29176
gener_Fq_local 29932
gal_get_roots 32752
gchar_get_basis 32816
F2xqX_div 33173
ndec2prec 33279
mkcolcopy 33498
Qtoss 35322
gal_get_pol 36336
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37051
gchar_get_nc 37261
FqX_rem 37743
F2v_to_F2x 37920
FqX_div 38569
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41549
znstar_get_Ui 46788
pari_calloc 47699
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50519
get_FpXQX_var 51630
locs_get_cyc 52136
div_content 58475
RgX_fpnorml2 61608
err_get_num 62522
bid_get_gen 64274
nf_get_ramified_primes 64812
RgX_is_rational 68312
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 74572
bnr_get_mod 77119
gal_get_group 80390
mkcol3 88314
gtou 98315
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108850
zeromat 109117
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114569
Q_abs_shallow 120243
mkmatcopy 122238
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138514
zeroser 138908
RgV_is_QV 140763
FqX_factor 141072
get_FpXQX_mod 146583
FlxqX_div_pre 165413
znstar_get_U 176107
rowslicepermute 184661
vecsmall_prepend 186991
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200505
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220415
mkcol6 232589
ellR_get_prec 232750
zero_Flm_copy 235910
gchar_get_nf 243946
Fp_halve 247348
affc_fixlg 249620
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277492
gchar_get_zm 281911
bnf_get_tuN 283002
bnf_get_fu_nocheck 289076
nf_get_G 303549
bnf_get_tuU 303577
vec_prepend 313989
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 334029
cxtoreal 337208
upr_norm 346135
RgX_renormalize 349807
abgrp_get_no 355182
ZM_hnfrem 363866
FqX_mul 367816
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384913
RgX_is_QX 400142
perm_conj 418299
FqX_Fq_mul 427292
FqX_extgcd 445047
Z_issquare 458924
nf_get_disc 463853
precdbl 475503
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
zv_to_ZV 503010
vecsmall_to_vec 511809
nf_get_sign 519553
mkvec3s 524441
gdivsg 531591
addmuliu 535863
FqX_Fp_mul 572117
prec2nbits_mul 581167
vecsmall_ei 584741
ZM_ZV_mod 596599
RgC_fpnorml2 622078
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698439
coltrunc_init 740250
logint 754900
gcmpgs 761926
row 764003
rnf_get_nf 786030
ellff_get_a4a6 800040
zero_F2m_copy 845108
FpXX_renormalize 849896
zeropadic 855573
gmin_shallow 878316
affgr 898866
ZXQ_sqr 961094
cgetc 975461
Flx_lead 980525
polx_F2x 1078549
pr_norm 1088517
sstoQ 1097215
Fp_invsafe 1100555
Flx_mulu 1105429
vecsmall_max 1164692
mkfracss 1209563
RgV_isscalar 1210305
gen_I 1269831
RgX_is_monomial 1331811
mkoo 1332062
bnf_get_sunits 1367782
bnr_get_nf 1368111
rnf_get_absdegree 1392746
zero_Flx 1426849
constant_coeff 1441408
guncloneNULL_deep 1445741
Rg_col_ei 1451288
inf_get_sign 1453170
vecsmall_concat 1464433
nf_get_varn 1503716
bid_get_mod 1521922
F2m_flip 1554221
F2v_flip 1554221
F2x_flip 1554221
F2x_div 1570076
uutoQ 1600198
nf_get_roots 1627819
bnf_get_gen 1680310
vec_ei 1714572
ulogint 1722614
gsubgs 1724804
mkvecsmall5 1731121
nf_get_roundG 1746574
abgrp_get_gen 1765024
ellinf 1869838
modpr_get_p 1888431
get_F2x_degree 1929131
killblock 1930593
Flx_div 1999016
ellnf_get_nf 2027644
ellff_get_field 2036887
bnr_get_bid 2045870
ell_get_j 2126227
bid_get_MOD 2157253
bid_get_sprk 2157979
ZXQ_mul 2162099
zv_copy 2184140
bid_get_fact2 2201576
gc_slice 2204788
pol_xn 2249970
pari_realloc_ip 2267949
bid_get_archp 2397096
bid_get_fact 2498934
get_F2x_mod 2499199
rnf_get_degree 2506307
bnr_get_cyc 2522332
get_F2x_var 2534306
ell_get_b4 2550216
Flv_copy 2555403
mul_content 2654231
RgX_coeff 2669861
vecslicepermute 2689592
hash_str 2756815
cyc_get_expo 2757775
perm_inv 2782941
sqrtnr 2808712
bnr_get_clgp 2830003
zero_Flm 2830292
rnf_get_pol 2845164
znstar_get_pe 2868790
F2x_equal1 2873988
bnf_get_logfu 2874735
gisdouble 2987703
mkpolmod 3105124
Fq_red 3106396
bit_accuracy_mul 3175472
ZV_to_zv 3211414
identity_perm 3242724
F3m_coeff 3256661
identity_zv 3267092
znstar_get_conreygen 3289889
ell_get_b8 3297414
get_FpX_mod 3394575
vec_append 3465557
zero_F2v 3648096
bid_get_U 3680232
bnf_get_cyc 3686062
nf_get_index 3711367
bnr_get_bnf 3750907
pol_1 3756414
pol_x 3858325
ell_get_b6 3863115
mulsubii 3882073
pol1_F2x 3958668
vec_to_vecsmall 4036827
vecsmall_append 4111388
sqrfrac 4148256
vecsmall_copy 4404241
mkcol2s 4416244
F2x_equal 4655944
FpXQX_renormalize 4693906
mkmat 4750869
qfb_disc3 4990914
mkfraccopy 4999312
is_rational_t 5035346
bnf_get_clgp 5374915
nf_get_zkprimpart 5416697
nf_get_zkden 5462382
FpX_div 5581220
checkell_i 5593377
pari_stack_delete 5621251
isintm1 5711095
bid_get_cyc 5739566
bid_get_grp 5804420
col_ei 5925913
pari_stack_init 6084588
get_FpX_degree 6424760
Flm_copy 6433733
sqrti 6665992
get_FpX_var 6958008
RgX_div 7000740
vecsmall_lexcmp 7043259
ell_get_a2 7106191
ZM_lll 7112625
RgX_gtofp 7147543
znstar_get_faN 7330731
ell_get_b2 7371033
ZX_is_monic 7376004
zc_to_ZC 7823442
vecsmall_to_col 7837621
znstar_get_conreycyc 7978902
F2m_coeff 8039249
Q_abs 8064078
mkintmod 8092591
ZV_ZV_mod 8131308
RgM_gtofp 8252735
Flx_equal1 8331056
gc_INT_affii 8484538
ell_get_a4 8536732
Flm_row 8742739
ell_get_a3 8814062
ell_get_a1 8997093
cxtofp 9084631
veclast 9372668
ismpzero 9583723
is_intreal_t 9583834
const_col 9729887
RgM_dimensions 9742149
nf_get_invzk 9766037
bnf_get_nf 9863712
mkvec4 10106314
ser_isexactzero 10120284
ell_get_a6 10370970
mkcol 10641040
ZC_hnfrem 10691011
mul_denom 10710342
ell_get_c4 11018074
Fp_addmul 11378358
pr_get_gen 12062930
vectrunc_init 12064769
abgrp_get_cyc 12230193
F2v_clear 12355585
F2x_clear 12355591
ell_get_type 12499541
nbits2nlong 12679097
pol0_F2x 13245322
ell_get_c6 13474480
gmax_shallow 13510220
modpr_get_T 13867657
closure_get_frame 14170162
zeromatcopy 14240668
rowpermute 14709789
Fp_div 15035163
Fp_divu 15129681
mkvec5 15185304
pr_get_e 15952892
vectrunc_append 16159682
ell_get_disc 16815181
matslice 16818318
pr_is_inert 16910085
normalize_frac 17205378
isint1 17586545
mkvecsmall4 17826796
Fp_center_i 18059924
cxcompotor 18221031
qfb_disc 18514488
const_vecsmall 19707512
vecpermute 20529566
nf_get_M 21171843
Flx_div_pre 21709047
RgM_shallowcopy 22170835
Fp_double 22330851
RgX_is_ZX 22422564
gmulgs 22496528
nf_get_r1 22892388
ZV_isscalar 23097990
Fp_inv 23440100
get_Flx_mod 25603331
pr_get_f 26041695
RgX_equal_var 26883188
shallowcopy 27640392
mkqfb 27919909
zerovec 28455586
modpr_get_pr 31238343
Fp_neg 31483236
hash_str_len 31550145
RgV_is_ZV 32166734
submulii 32847732
mkmat2 33658311
RgC_gtofp 34013412
const_vec 34481283
zero_zv 36738390
polx_Flx 37831916
lincombii 38198833
znstar_get_N 38653757
mkfrac 41641499
zeropol 42358731
powii 43178415
is_vec_t 43930753
closure_is_variadic 44820989
absfrac 46643741
guncloneNULL 48228000
pr_get_tau 48871929
mkmat22 50278019
ell_is_inf 52456535
QV_isscalar 54402576
pol1_Flx 55081031
zero_Flv 59499794
addmuliu_inplace 59696483
submuliu_inplace 60186919
F2x_copy 60392264
gtodouble 60799974
is_real_t 62063857
qfb_is_qfi 62939114
Fp_sqr 64661457
Fp_mulu 67561454
get_Flx_var 68398166
mkvec 71145079
nf_get_degree 71352200
Fp_center 77247312
vecsmallpermute 78735675
rowslice 79345417
sqrtr 80366856
perm_mul 80931317
Fp_red 82087833
get_Flx_degree 82180844
pol_0 83002170
gtos 85854605
is_noncalc_t 85865037
cxnorm 90945305
mkcomplex 91629788
pr_get_p 91709205
dbllog2r 92830173
nf_get_pol 98060222
F2v_set 101404296
vecsmalltrunc_append 101474946
cgiv 102120048
RgX_copy 103409067
pol0_Flx 103529703
prec2nbits 103958729
mkvecsmall3 104041496
vecsmall_prefixcmp 108088071
gc_all 110007676
F2x_renormalize 115204794
mkvec3 117468713
zerocol 122289283
gaddgs 123248596
both_odd 124068156
F2x_set 124771038
nchar2nlong 127409882
mkvecsmall 131702118
equalim1 139505630
bit_prec 142671086
FpX_renormalize 144586168
ZX_renormalize 155009260
mkcol2 156861513
nbrows 157480557
leading_coeff 170561041
Flx_copy 173829361
Fp_add 181598899
mkvec2 185751785
nbits2prec 186140134
vecsmalltrunc_init 191637733
Fp_mul 201088736
Fp_sub 203571135
mkvecsmall2 233633144
gtofp 254250002
gc_GEN 256221699
gmulgu 282059385
lg_increase 319932542
closure_get_data 321325767
closure_get_oper 321341447
closure_codestr 321355097
is_universal_constant 325818590
lgcols 350260937
closure_arity 371242800
is_scalar_t 375670272
bin_copy 497342099
pari_free 510752464
is_bigint 562601429
leafcopy_avma 577013961
vecslice 656036308
is_matvec_t 659320974
F2v_coeff 661329662
F2x_coeff 667972737
pari_malloc 746653024
pari_stack_new 924864946
GENbinbase 964370261
pari_stack_alloc 1019547353
pari_stack_base 1025131224
gc_leaf 1131972960
equali1 1175167511
nbits2extraprec 1456449226
gc_upto 1949227528
odd 2084888766
is_pm1 2202395252
lgpol 2683603129
isintzero 2837914562
bit_accuracy 3162909809
gc_INT 4104091032
prec2lg 4466183920
is_const_t 4888388056
degpol 5501728173
remsBIL 8005433426
icopy_avma 8035798567
divsBIL 8096551682
isonstack 8254647379
is_recursive_t 9238743796

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