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 30674-be81ecfdd4) Lines: 1420 1535 92.5 %
Date: 2026-02-13 09:23:38 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
vecsmall_isin 84
vecsmall_pack 84
gal_get_e 91
pari_err_COPRIME 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 1834
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 11557
ZX_equal1 12850
R_abs_shallow 13097
gchar_get_nfprec 13468
closure_get_dbg 13635
zx_renormalize 14049
pari_err_TYPE 15370
gal_get_gen 15435
znstar_get_gen 16150
gchar_get_cyc 16177
mkmat3 17001
zeropadic_shallow 17150
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 22084
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 33314
mkcolcopy 33549
Qtoss 35364
gal_get_pol 36316
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37079
gchar_get_nc 37261
FqX_rem 37743
F2v_to_F2x 37901
FqX_div 38563
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41584
znstar_get_Ui 46788
pari_calloc 47734
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50519
get_FpXQX_var 51630
locs_get_cyc 52136
div_content 58503
RgX_fpnorml2 61601
err_get_num 62551
bid_get_gen 64274
nf_get_ramified_primes 64645
RgX_is_rational 68165
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 75640
bnr_get_mod 77119
gal_get_group 80387
mkcol3 88314
cyclic_perm 99911
gtou 100707
mkcol4 103467
zv_to_zx 104146
mkmoo 108792
zeromat 109078
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114528
Q_abs_shallow 120249
mkmatcopy 122253
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138438
zeroser 138943
RgV_is_QV 140733
FqX_factor 140960
get_FpXQX_mod 146583
FlxqX_div_pre 165414
znstar_get_U 176107
rowslicepermute 185258
vecsmall_prepend 186977
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200433
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220251
mkcol6 232470
ellR_get_prec 232750
zero_Flm_copy 238226
gchar_get_nf 243946
Fp_halve 247271
affc_fixlg 249620
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277487
gchar_get_zm 281911
bnf_get_tuN 283003
bnf_get_fu_nocheck 289097
bnf_get_tuU 303584
nf_get_G 304835
vec_prepend 314007
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 334018
cxtoreal 337205
upr_norm 346133
RgX_renormalize 349807
abgrp_get_no 354948
ZM_hnfrem 363771
FqX_mul 367708
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384936
RgX_is_QX 399933
perm_conj 418299
FqX_Fq_mul 427287
FqX_extgcd 444773
Z_issquare 457640
nf_get_disc 463472
precdbl 475391
RgX_shift_inplace 479369
RgX_shift_inplace_init 479369
zv_to_ZV 502982
vecsmall_to_vec 511781
nf_get_sign 519553
mkvec3s 524441
gdivsg 531591
addmuliu 535736
FqX_Fp_mul 571668
prec2nbits_mul 581166
vecsmall_ei 584706
ZM_ZV_mod 596636
RgC_fpnorml2 619853
FqX_is_squarefree 683802
vecreverse 697305
mkrfrac 698438
coltrunc_init 740257
logint 754839
gcmpgs 761927
row 763882
rnf_get_nf 786086
ellff_get_a4a6 800031
zero_F2m_copy 845049
FpXX_renormalize 849903
zeropadic 857549
gmin_shallow 877797
affgr 899594
ZXQ_sqr 960350
cgetc 975455
Flx_lead 978847
polx_F2x 1078930
pr_norm 1090428
sstoQ 1097313
Fp_invsafe 1100340
Flx_mulu 1105468
vecsmall_max 1164167
mkfracss 1209563
RgV_isscalar 1210269
gen_I 1269719
RgX_is_monomial 1331344
mkoo 1331885
bnf_get_sunits 1367774
rnf_get_absdegree 1392746
bnr_get_nf 1399084
zero_Flx 1427055
constant_coeff 1441430
Rg_col_ei 1451029
inf_get_sign 1452934
vecsmall_concat 1464191
guncloneNULL_deep 1490055
nf_get_varn 1503781
bid_get_mod 1521922
F2m_flip 1554354
F2v_flip 1554354
F2x_flip 1554354
F2x_div 1572120
uutoQ 1602144
nf_get_roots 1628922
bnf_get_gen 1680321
vec_ei 1713827
mkvecsmall5 1717512
ulogint 1724167
gsubgs 1724812
nf_get_roundG 1748147
abgrp_get_gen 1765033
ellinf 1869789
modpr_get_p 1887627
get_F2x_degree 1928990
killblock 1949594
Flx_div 1998007
ellnf_get_nf 2027247
ellff_get_field 2036856
bnr_get_bid 2046096
ell_get_j 2126269
bid_get_MOD 2157266
bid_get_sprk 2157987
ZXQ_mul 2161107
zv_copy 2183759
bid_get_fact2 2201586
gc_slice 2204344
pol_xn 2249506
pari_realloc_ip 2349196
bid_get_archp 2397169
bid_get_fact 2498959
get_F2x_mod 2499260
rnf_get_degree 2506335
bnr_get_cyc 2522583
get_F2x_var 2533966
ell_get_b4 2550216
Flv_copy 2555020
mul_content 2657261
RgX_coeff 2669861
vecslicepermute 2692617
cyc_get_expo 2757552
hash_str 2760614
perm_inv 2781926
sqrtnr 2810136
bnr_get_clgp 2830247
zero_Flm 2830743
rnf_get_pol 2845192
znstar_get_pe 2869063
F2x_equal1 2873955
bnf_get_logfu 2874782
gisdouble 2996101
mkpolmod 3103721
Fq_red 3106575
bit_accuracy_mul 3175484
ZV_to_zv 3211715
identity_perm 3242326
F3m_coeff 3255868
identity_zv 3266675
znstar_get_conreygen 3290526
ell_get_b8 3297414
get_FpX_mod 3394343
vec_append 3464666
zero_F2v 3647724
bid_get_U 3680242
bnf_get_cyc 3686156
bnr_get_bnf 3710955
nf_get_index 3711395
pol_1 3755811
pol_x 3857389
ell_get_b6 3863115
mulsubii 3881505
pol1_F2x 3957192
vec_to_vecsmall 4036968
vecsmall_append 4114698
sqrfrac 4148263
vecsmall_copy 4403766
mkcol2s 4416244
F2x_equal 4677219
FpXQX_renormalize 4694640
mkmat 4751030
qfb_disc3 4995967
mkfraccopy 4999875
is_rational_t 5032613
bnf_get_clgp 5375018
nf_get_zkprimpart 5413960
nf_get_zkden 5459707
FpX_div 5581186
checkell_i 5593296
isintm1 5710274
bid_get_cyc 5739877
bid_get_grp 5804610
pari_stack_delete 5814922
col_ei 5924601
pari_stack_init 6352660
get_FpX_degree 6424432
Flm_copy 6433612
sqrti 6610251
get_FpX_var 6958297
RgX_div 6997996
vecsmall_lexcmp 7043224
ell_get_a2 7106180
ZM_lll 7117724
RgX_gtofp 7145400
znstar_get_faN 7334819
ell_get_b2 7371035
ZX_is_monic 7374261
zc_to_ZC 7824962
vecsmall_to_col 7839143
znstar_get_conreycyc 7982108
F2m_coeff 8038891
Q_abs 8062700
mkintmod 8070827
ZV_ZV_mod 8131931
RgM_gtofp 8258002
Flx_equal1 8329876
gc_INT_affii 8495277
ell_get_a4 8536721
Flm_row 8741534
ell_get_a3 8814053
ell_get_a1 8997085
cxtofp 9079127
veclast 9372708
ismpzero 9584377
is_intreal_t 9584489
const_col 9729677
RgM_dimensions 9741957
nf_get_invzk 9767476
bnf_get_nf 9865205
mkvec4 10094905
ser_isexactzero 10120326
ell_get_a6 10370959
mkcol 10639791
ZC_hnfrem 10697498
mul_denom 10707691
ell_get_c4 11018007
Fp_addmul 11291347
vectrunc_init 11767170
pr_get_gen 12071115
abgrp_get_cyc 12230799
F2x_clear 12354024
F2v_clear 12354036
ell_get_type 12498988
nbits2nlong 12754474
pol0_F2x 13251849
ell_get_c6 13474311
gmax_shallow 13510200
modpr_get_T 13867177
zeromatcopy 14250087
rowpermute 14706795
closure_get_frame 14717253
Fp_div 15035646
Fp_divu 15130097
mkvec5 15185886
vectrunc_append 15854246
pr_get_e 16161796
ell_get_disc 16815107
matslice 16825490
normalize_frac 17206767
pr_is_inert 17223964
isint1 17586351
Fp_center_i 18030838
cxcompotor 18210034
qfb_disc 18502566
mkvecsmall4 18680900
const_vecsmall 19706943
vecpermute 20552229
Fp_double 20998432
Flx_div_pre 21691976
nf_get_M 21745503
RgM_shallowcopy 22179160
RgX_is_ZX 22423151
gmulgs 22628132
Fp_inv 23441615
nf_get_r1 23465970
ZV_isscalar 23674703
get_Flx_mod 25596814
pr_get_f 26442468
RgX_equal_var 26883020
shallowcopy 27632260
mkqfb 27930132
zerovec 29292234
modpr_get_pr 31236669
Fp_neg 31478446
hash_str_len 31631895
submulii 31982591
RgV_is_ZV 32160177
mkmat2 33654632
RgC_gtofp 34032396
const_vec 34567958
zero_zv 36738058
polx_Flx 37488671
lincombii 38227598
znstar_get_N 38658713
mkfrac 41646316
zeropol 42353414
powii 43130351
is_vec_t 43966095
closure_is_variadic 45906343
absfrac 46540083
guncloneNULL 48006498
pr_get_tau 49768046
mkmat22 50293625
ell_is_inf 52395245
QV_isscalar 54416452
pol1_Flx 55060139
addmuliu_inplace 59643116
zero_Flv 59676568
submuliu_inplace 60132914
F2x_copy 60621676
gtodouble 60782578
is_real_t 62059884
qfb_is_qfi 62332801
Fp_sqr 64645908
Fp_mulu 68199514
get_Flx_var 68357011
mkvec 71267269
nf_get_degree 71369458
Fp_center 77354233
vecsmallpermute 78723073
rowslice 79357528
sqrtr 80376990
perm_mul 80918141
Fp_red 82196409
get_Flx_degree 82554814
pol_0 82787567
is_noncalc_t 85781010
gtos 85855688
cxnorm 91200566
mkcomplex 91606502
pr_get_p 92750186
dbllog2r 92819273
nf_get_pol 98109226
vecsmalltrunc_append 100925976
F2v_set 101403703
cgiv 102691209
RgX_copy 103403154
pol0_Flx 103475991
prec2nbits 103974083
mkvecsmall3 104189683
vecsmall_prefixcmp 108088071
gc_all 109640002
F2x_renormalize 115463057
mkvec3 118862003
zerocol 122337103
gaddgs 123248663
both_odd 124073185
F2x_set 124773063
nchar2nlong 127559498
mkvecsmall 131638813
equalim1 139505559
bit_prec 143260086
FpX_renormalize 144223572
ZX_renormalize 155048884
mkcol2 156923911
nbrows 157471644
leading_coeff 170219048
Flx_copy 173228779
Fp_add 181421609
mkvec2 185863971
nbits2prec 186141568
vecsmalltrunc_init 191333446
Fp_mul 200919465
Fp_sub 203334425
mkvecsmall2 234973434
gtofp 254343834
gc_GEN 255405993
gmulgu 283104681
lg_increase 318832144
closure_get_data 322168066
closure_get_oper 322192946
closure_codestr 322211275
is_universal_constant 326671076
lgcols 351660041
closure_arity 372631737
is_scalar_t 375680558
bin_copy 496007627
pari_free 509487750
is_bigint 563434893
leafcopy_avma 577105250
vecslice 656658070
is_matvec_t 659571654
F2v_coeff 661320795
F2x_coeff 667867119
pari_malloc 745440231
pari_stack_new 927021376
GENbinbase 961797407
pari_stack_alloc 1022303560
pari_stack_base 1028093539
gc_leaf 1137899885
equali1 1174083644
nbits2extraprec 1458534259
gc_upto 1955412475
odd 2091751826
is_pm1 2205230948
lgpol 2689476714
isintzero 2845914990
bit_accuracy 3160802844
gc_INT 4113923808
prec2lg 4471704582
is_const_t 4901380865
degpol 5495606373
remsBIL 8006113349
icopy_avma 8043018820
divsBIL 8097064532
isonstack 8279959911
is_recursive_t 9238258397

Generated by: LCOV version 1.16