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
F2m_coeff 8039249
F2m_copy 200505
F2m_flip 1554221
F2m_set 798
F2v_clear 12355585
F2v_coeff 661329662
F2v_copy 4487
F2v_ei 42
F2v_flip 1554221
F2v_set 101404296
F2v_to_F2x 37920
F2xX_shift 0
F2x_clear 12355591
F2x_coeff 667972737
F2x_copy 60392264
F2x_div 1570076
F2x_equal 4655944
F2x_equal1 2873988
F2x_flip 1554221
F2x_renormalize 115204794
F2x_set 124771038
F2xqX_div 33173
F3m_coeff 3256661
F3m_copy 0
F3m_set 0
Flm_copy 6433733
Flm_row 8742739
Flv_copy 2555403
Flx_constant 334029
Flx_copy 173829361
Flx_div 1999016
Flx_div_pre 21709047
Flx_equal1 8331056
Flx_lead 980525
Flx_mulu 1105429
FlxqX_div 0
FlxqX_div_pre 165413
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693906
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5581220
FpX_renormalize 144586168
Fp_add 181598899
Fp_addmul 11378358
Fp_center 77247312
Fp_center_i 18059924
Fp_div 15035163
Fp_divu 15129681
Fp_double 22330851
Fp_halve 247348
Fp_inv 23440100
Fp_invsafe 1100555
Fp_mul 201088736
Fp_muls 17780
Fp_mulu 67561454
Fp_neg 31483236
Fp_red 82087833
Fp_sqr 64661457
Fp_sub 203571135
FqXQ_add 0
FqXQ_div 0
FqXQ_inv 0
FqXQ_invsafe 0
FqXQ_mul 22766
FqXQ_pow 0
FqXQ_sqr 0
FqXQ_sub 0
FqX_Fp_mul 572117
FqX_Fq_mul 427292
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38569
FqX_div_by_X_x 69629
FqX_divrem 0
FqX_extgcd 445047
FqX_factor 141072
FqX_factor_squarefree 7
FqX_gcd 8288
FqX_get_red 6090
FqX_halfgcd 0
FqX_halve 19411
FqX_integ 0
FqX_is_squarefree 683802
FqX_mul 367816
FqX_mulu 21942
FqX_neg 24956
FqX_normalize 4144
FqX_powu 1295
FqX_red 25354
FqX_rem 37743
FqX_roots 7273
FqX_sqr 71855
FqX_sub 68607
FqX_to_mod 175
FqXn_exp 0
FqXn_expint 6590
FqXn_inv 7126
FqXn_mul 263403
FqXn_sqr 0
Fq_red 3106396
Fq_to_FpXQ 73792
GENbinbase 964370261
QV_isscalar 54402576
Q_abs 8064078
Q_abs_shallow 120243
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622078
RgC_gtofp 34013412
RgC_gtomp 574
RgM_dimensions 9742149
RgM_fpnorml2 22788
RgM_gtofp 8252735
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22170835
RgV_gtofp 56
RgV_is_QV 140763
RgV_is_ZV 32166734
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210305
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103409067
RgX_div 7000740
RgX_equal_var 26883188
RgX_fpnorml2 61608
RgX_gtofp 7147543
RgX_is_QX 400142
RgX_is_ZX 22422564
RgX_is_monomial 1331811
RgX_is_rational 68312
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
RgX_to_RgV 140
Rg_col_ei 1451288
Rg_to_Fq 756
ZC_hnfrem 10691011
ZM_ZV_mod 596599
ZM_hnfrem 363866
ZM_lll 7112625
ZV_ZV_mod 8131308
ZV_dvd 23485
ZV_isscalar 23097990
ZV_to_zv 3211414
ZXQ_mul 2162099
ZXQ_sqr 961094
ZX_equal1 12893
ZX_is_monic 7376004
ZX_renormalize 155009260
Z_ispower 98
Z_issquare 458924
abgrp_get_cyc 12230193
abgrp_get_gen 1765024
abgrp_get_no 355182
absfrac 46643741
absfrac_shallow 28237
addmuliu 535863
addmuliu_inplace 59696483
affc_fixlg 249620
affgr 898866
bid_get_MOD 2157253
bid_get_U 3680232
bid_get_arch 41188
bid_get_archp 2397096
bid_get_cyc 5739566
bid_get_fact 2498934
bid_get_fact2 2201576
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804420
bid_get_ideal 72842
bid_get_mod 1521922
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157979
bin_copy 497342099
bit_accuracy 3162909809
bit_accuracy_mul 3175472
bit_prec 142671086
bnf_get_clgp 5374915
bnf_get_cyc 3686062
bnf_get_fu 25859
bnf_get_fu_nocheck 289076
bnf_get_gen 1680310
bnf_get_logfu 2874735
bnf_get_nf 9863712
bnf_get_no 8372
bnf_get_reg 648
bnf_get_sunits 1367782
bnf_get_tuN 283002
bnf_get_tuU 303577
bnr_get_bid 2045870
bnr_get_bnf 3750907
bnr_get_clgp 2830003
bnr_get_cyc 2522332
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77119
bnr_get_nf 1368111
bnr_get_no 277492
both_odd 124068156
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975461
cgiv 102120048
checkell_i 5593377
closure_arity 371242800
closure_codestr 321355097
closure_get_code 0
closure_get_data 321325767
closure_get_dbg 13621
closure_get_frame 14170162
closure_get_oper 321341447
closure_get_text 37051
closure_is_variadic 44820989
col_ei 5925913
coltrunc_init 740250
const_col 9729887
const_vec 34481283
const_vecsmall 19707512
constant_coeff 1441408
cxcompotor 18221031
cxnorm 90945305
cxtofp 9084631
cxtoreal 337208
cyc_get_expo 2757775
cyclic_perm 99911
dbllog2r 92830173
degpol 5501728173
div_content 58475
divsBIL 8096551682
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997093
ell_get_a2 7106191
ell_get_a3 8814062
ell_get_a4 8536732
ell_get_a6 10370970
ell_get_b2 7371033
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11018074
ell_get_c6 13474480
ell_get_disc 16815181
ell_get_j 2126227
ell_get_type 12499541
ell_is_inf 52456535
ellff_get_a4a6 800040
ellff_get_field 2036887
ellinf 1869838
ellnf_get_bnf 126
ellnf_get_nf 2027644
equali1 1175167511
equalim1 139505630
err_get_compo 294
err_get_num 62522
gaddgs 123248596
gal_get_den 27874
gal_get_e 91
gal_get_gen 15449
gal_get_group 80390
gal_get_invvdm 27880
gal_get_mod 23772
gal_get_orders 6678
gal_get_p 6020
gal_get_pol 36336
gal_get_roots 32752
gc_GEN 256221699
gc_INT 4104091032
gc_INT_affii 8484538
gc_all 110007676
gc_leaf 1131972960
gc_slice 2204788
gc_upto 1949227528
gchar_copy_precs 1225
gchar_get_DLdata 190673
gchar_get_S 36995
gchar_get_U 0
gchar_get_Ui 10983
gchar_get_basis 32816
gchar_get_bnf 205373
gchar_get_cyc 16177
gchar_get_evalprec 4011
gchar_get_hnf 0
gchar_get_loccyc 50519
gchar_get_m0 3318
gchar_get_mod 8225
gchar_get_modP 4095
gchar_get_nalg 2044
gchar_get_nc 37261
gchar_get_nf 243946
gchar_get_nfprec 13468
gchar_get_nfree 322
gchar_get_nm 1869
gchar_get_ns 36995
gchar_get_ntors 322
gchar_get_prec 18795
gchar_get_r1 17444
gchar_get_r2 623
gchar_get_sfu 1743
gchar_get_u0 4252
gchar_get_zm 281911
gchar_set_HUUi 630
gchar_set_basis 1575
gchar_set_cyc 1575
gchar_set_evalprec 1813
gchar_set_m0 945
gchar_set_nalg 630
gchar_set_nf 2110
gchar_set_nfprec 2968
gchar_set_nfree 630
gchar_set_ntors 630
gchar_set_prec 1225
gchar_set_u0 2121
gcmpgs 761926
gdivsg 531591
gen_I 1269831
gener_Fq_local 29932
gequalgs 29176
get_F2x_degree 1929131
get_F2x_mod 2499199
get_F2x_var 2534306
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82180844
get_Flx_mod 25603331
get_Flx_var 68398166
get_FlxqX_degree 317565
get_FlxqX_mod 8033
get_FlxqX_var 264420
get_FpXQX_degree 3589
get_FpXQX_mod 146583
get_FpXQX_var 51630
get_FpX_degree 6424760
get_FpX_mod 3394575
get_FpX_var 6958008
gisdouble 2987703
gmax_shallow 13510220
gmaxsg 0
gmin_shallow 878316
gminsg 0
gmulgs 22496528
gmulgu 282059385
gsubgs 1724804
gtodouble 60799974
gtofp 254250002
gtomp 22428
gtos 85854605
gtou 98315
guncloneNULL 48228000
guncloneNULL_deep 1445741
gval 6230
hash_str 2756815
hash_str_len 31550145
icopy_avma 8035798567
idealchineseinit 5427
idealred 138514
identity_ZV 8113
identity_perm 3242724
identity_zv 3267092
inf_get_sign 1453170
inv_content 0
is_bigint 562601429
is_const_t 4888388056
is_extscalar_t 6876
is_intreal_t 9583834
is_matvec_t 659320974
is_noncalc_t 85865037
is_pm1 2202395252
is_qfb_t 0
is_rational_t 5035346
is_real_t 62063857
is_recursive_t 9238743796
is_scalar_t 375670272
is_universal_constant 325818590
is_vec_t 43930753
isint1 17586545
isintm1 5711095
isintzero 2837914562
ismpzero 9583723
isonstack 8254647379
killblock 1930593
leading_coeff 170561041
leafcopy_avma 577013961
lg_increase 319932542
lgcols 350260937
lgpol 2683603129
lincombii 38198833
locs_get_Lgenfil 1288
locs_get_Lsprk 193935
locs_get_cyc 52136
locs_get_famod 1288
locs_get_m_infty 209475
locs_get_mod 8225
logint 754900
matpascal 3983
matslice 16818318
mkcol 10641040
mkcol2 156861513
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33498
mkcols 40411
mkcomplex 91629788
mkerr 0
mkfrac 41641499
mkfraccopy 4999312
mkfracss 1209563
mkintmod 8092591
mkintmodu 1813
mkmat 4750869
mkmat2 33658311
mkmat22 50278019
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122238
mkmoo 108850
mkoo 1332062
mkpadic 2009
mkpolmod 3105124
mkqfb 27919909
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71145079
mkvec2 185751785
mkvec2copy 114569
mkvec2s 220415
mkvec3 117468713
mkvec3s 524441
mkvec4 10106314
mkvec4s 21
mkvec5 15185304
mkveccopy 122521
mkvecs 168
mkvecsmall 131702118
mkvecsmall2 233633144
mkvecsmall3 104041496
mkvecsmall4 17826796
mkvecsmall5 1731121
modpr_get_T 13867657
modpr_get_p 1888431
modpr_get_pr 31238343
mul_content 2654231
mul_denom 10710342
mulsubii 3882073
nbits2extraprec 1456449226
nbits2ndec 228
nbits2nlong 12679097
nbits2prec 186140134
nbrows 157480557
nchar2nlong 127409882
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26299
nf_get_G 303549
nf_get_M 21171843
nf_get_Tr 22083
nf_get_degree 71352200
nf_get_diff 4438
nf_get_disc 463853
nf_get_index 3711367
nf_get_invzk 9766037
nf_get_pol 98060222
nf_get_r1 22892388
nf_get_r2 4154
nf_get_ramified_primes 64812
nf_get_roots 1627819
nf_get_roundG 1746574
nf_get_sign 519553
nf_get_varn 1503716
nf_get_zk 4382
nf_get_zkden 5462382
nf_get_zkprimpart 5416697
normalize_frac 17205378
odd 2084888766
pari_calloc 47699
pari_err_BUG 14
pari_err_COMPONENT 214
pari_err_CONSTPOL 21
pari_err_COPRIME 84
pari_err_DIM 718
pari_err_DOMAIN 2841
pari_err_FILE 0
pari_err_FILEDESC 36
pari_err_FLAG 98
pari_err_IMPL 539
pari_err_INV 20018
pari_err_IRREDPOL 63
pari_err_MAXPRIME 0
pari_err_MODULUS 1316
pari_err_OP 406
pari_err_OVERFLOW 156
pari_err_PACKAGE 0
pari_err_PREC 238
pari_err_PRIME 98
pari_err_PRIORITY 238
pari_err_ROOTS0 63
pari_err_SQRTN 7084
pari_err_TYPE 15391
pari_err_TYPE2 3493
pari_err_VAR 371
pari_free 510752464
pari_malloc 746653024
pari_realloc 1890
pari_realloc_ip 2267949
pari_stack_alloc 1019547353
pari_stack_base 1025131224
pari_stack_delete 5621251
pari_stack_init 6084588
pari_stack_new 924864946
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782941
perm_mul 80931317
perm_sqr 728
pol0_F2x 13245322
pol0_Flx 103529703
pol1_F2x 3958668
pol1_Flx 55081031
pol_0 83002170
pol_1 3756414
pol_x 3858325
pol_xn 2249970
pol_xnall 294
polx_F2x 1078549
polx_Flx 37831916
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43178415
pr_get_e 15952892
pr_get_f 26041695
pr_get_gen 12062930
pr_get_p 91709205
pr_get_tau 48871929
pr_is_inert 16910085
pr_norm 1088517
prec2lg 4466183920
prec2nbits 103958729
prec2nbits_mul 581167
prec2ndec 9778
precdbl 475503
qfb_disc 18514488
qfb_disc3 4990914
qfb_is_qfi 62939114
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8005433426
rnf_get_absdegree 1392746
rnf_get_alpha 1428
rnf_get_degree 2506307
rnf_get_disc 357
rnf_get_idealdisc 1386
rnf_get_index 105
rnf_get_invzk 1225
rnf_get_k 1225
rnf_get_map 135659
rnf_get_nf 786030
rnf_get_nfdegree 21455
rnf_get_nfpol 255354
rnf_get_nfvarn 4886
rnf_get_nfzk 7245
rnf_get_pol 2845164
rnf_get_polabs 327628
rnf_get_ramified_primes 2849
rnf_get_varn 574
rnf_get_zk 4830
row 764003
row_i 987
rowcopy 204988
rowpermute 14709789
rowslice 79345417
rowslicepermute 184661
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27640392
sqrfrac 4148256
sqrti 6665992
sqrtnr 2808712
sqrtr 80366856
sstoQ 1097215
sturm 385
submulii 32847732
submuliu 7742
submuliu_inplace 60186919
truecoef 0
trunc_safe 0
ulogint 1722614
upr_norm 346135
uutoQ 1600198
vec_append 3465557
vec_ei 1714572
vec_lengthen 18946
vec_prepend 313989
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036827
veclast 9372668
vecmodii 0
vecmoduu 49784
vecpermute 20529566
vecreverse 697235
vecreverse_inplace 2605
vecslice 656036308
vecslicepermute 2689592
vecsmall_append 4111388
vecsmall_coincidence 0
vecsmall_concat 1464433
vecsmall_copy 4404241
vecsmall_ei 584741
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043259
vecsmall_max 1164692
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186991
vecsmall_reverse 3052
vecsmall_shorten 74572
vecsmall_to_col 7837621
vecsmall_to_vec 511809
vecsmall_to_vec_inplace 3304
vecsmallpermute 78735675
vecsmalltrunc_append 101474946
vecsmalltrunc_init 191637733
vecsplice 384913
vectrunc_append 16159682
vectrunc_append_batch 12306
vectrunc_init 12064769
zc_to_ZC 7823442
zero_F2m 0
zero_F2m_copy 845108
zero_F2v 3648096
zero_F2x 1350
zero_Flm 2830292
zero_Flm_copy 235910
zero_Flv 59499794
zero_Flx 1426849
zero_zm 0
zero_zv 36738390
zero_zx 0
zerocol 122289283
zeromat 109117
zeromatcopy 14240668
zeropadic 855573
zeropadic_shallow 17024
zeropol 42358731
zeroser 138908
zerovec 28455586
zerovec_block 28947
zm_copy 0
zm_row 0
zm_to_zxV 0
zm_transpose 266
znstar_get_N 38653757
znstar_get_U 176107
znstar_get_Ui 46788
znstar_get_conreycyc 7978902
znstar_get_conreygen 3289889
znstar_get_cyc 262088
znstar_get_faN 7330731
znstar_get_gen 16150
znstar_get_no 14
znstar_get_pe 2868790
zv_copy 2184140
zv_to_ZV 503010
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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