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 30550-07450a7a86) Lines: 1420 1532 92.7 %
Date: 2025-11-18 09:22:37 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 22081
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 26300
gal_get_den 27874
gal_get_invvdm 27881
absfrac_shallow 28237
zerovec_block 28947
gequalgs 29176
gener_Fq_local 29932
gal_get_roots 32753
gchar_get_basis 32816
F2xqX_div 33173
ndec2prec 33279
mkcolcopy 33506
Qtoss 35322
gal_get_pol 36337
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37051
gchar_get_nc 37261
FqX_rem 37743
F2v_to_F2x 37833
FqX_div 38566
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41549
znstar_get_Ui 46788
pari_calloc 47685
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50519
get_FpXQX_var 51630
locs_get_cyc 52136
div_content 58477
RgX_fpnorml2 61608
err_get_num 62523
bid_get_gen 64274
nf_get_ramified_primes 64813
RgX_is_rational 68313
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 74579
bnr_get_mod 77119
gal_get_group 80393
mkcol3 88314
gtou 98320
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108849
zeromat 109128
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114574
Q_abs_shallow 120249
mkmatcopy 122239
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138527
zeroser 138908
RgV_is_QV 140759
FqX_factor 141072
get_FpXQX_mod 146583
FlxqX_div_pre 165414
znstar_get_U 176107
rowslicepermute 185024
vecsmall_prepend 186991
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200499
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220418
mkcol6 232589
ellR_get_prec 232750
zero_Flm_copy 235918
gchar_get_nf 243946
Fp_halve 247348
affc_fixlg 249622
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277497
gchar_get_zm 281911
bnf_get_tuN 283003
bnf_get_fu_nocheck 289084
nf_get_G 303562
bnf_get_tuU 303578
vec_prepend 313997
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 334025
cxtoreal 337206
upr_norm 346135
RgX_renormalize 349807
abgrp_get_no 355188
ZM_hnfrem 363862
FqX_mul 367817
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384907
RgX_is_QX 400137
perm_conj 418299
FqX_Fq_mul 427297
FqX_extgcd 445047
Z_issquare 458925
nf_get_disc 463859
precdbl 475514
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
zv_to_ZV 503010
vecsmall_to_vec 511809
nf_get_sign 519552
mkvec3s 524441
gdivsg 531591
addmuliu 535800
FqX_Fp_mul 572120
prec2nbits_mul 581167
vecsmall_ei 584720
ZM_ZV_mod 596611
RgC_fpnorml2 622079
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698439
coltrunc_init 740250
logint 754904
gcmpgs 761928
row 764011
rnf_get_nf 786030
ellff_get_a4a6 800033
zero_F2m_copy 845103
FpXX_renormalize 849896
zeropadic 855675
gmin_shallow 878334
affgr 898866
ZXQ_sqr 961098
cgetc 975459
Flx_lead 980486
polx_F2x 1078690
pr_norm 1088528
sstoQ 1097215
Fp_invsafe 1100554
Flx_mulu 1105508
vecsmall_max 1164724
mkfracss 1209563
RgV_isscalar 1210306
gen_I 1269849
RgX_is_monomial 1331795
mkoo 1332045
bnf_get_sunits 1367780
bnr_get_nf 1368108
rnf_get_absdegree 1392746
zero_Flx 1426866
constant_coeff 1441405
guncloneNULL_deep 1444933
Rg_col_ei 1451406
inf_get_sign 1453148
vecsmall_concat 1464432
nf_get_varn 1503603
bid_get_mod 1521922
F2m_flip 1554251
F2v_flip 1554251
F2x_flip 1554251
F2x_div 1570662
uutoQ 1600198
nf_get_roots 1627834
bnf_get_gen 1680319
vec_ei 1714595
gsubgs 1724794
ulogint 1726210
mkvecsmall5 1731100
nf_get_roundG 1746601
abgrp_get_gen 1765034
ellinf 1869840
modpr_get_p 1888432
get_F2x_degree 1929031
killblock 1930687
Flx_div 1999027
ellnf_get_nf 2027603
ellff_get_field 2036866
bnr_get_bid 2045863
ell_get_j 2126227
bid_get_MOD 2157256
bid_get_sprk 2157986
ZXQ_mul 2162093
zv_copy 2184007
bid_get_fact2 2201574
gc_slice 2204871
pol_xn 2249957
pari_realloc_ip 2267621
bid_get_archp 2397103
bid_get_fact 2498938
get_F2x_mod 2499248
rnf_get_degree 2506307
bnr_get_cyc 2522319
get_F2x_var 2534137
ell_get_b4 2550216
Flv_copy 2555270
mul_content 2654170
RgX_coeff 2669861
vecslicepermute 2690677
hash_str 2756815
cyc_get_expo 2757765
perm_inv 2782892
sqrtnr 2808708
bnr_get_clgp 2829994
zero_Flm 2830149
rnf_get_pol 2845164
znstar_get_pe 2868790
F2x_equal1 2874166
bnf_get_logfu 2874731
gisdouble 2987786
mkpolmod 3105033
Fq_red 3106242
bit_accuracy_mul 3175472
ZV_to_zv 3211415
identity_perm 3242603
F3m_coeff 3256707
identity_zv 3266953
znstar_get_conreygen 3289889
ell_get_b8 3297414
get_FpX_mod 3394561
vec_append 3465589
zero_F2v 3648070
bid_get_U 3680236
bnf_get_cyc 3686070
nf_get_index 3711351
bnr_get_bnf 3750911
pol_1 3756424
pol_x 3858317
ell_get_b6 3863115
mulsubii 3881270
pol1_F2x 3957756
vec_to_vecsmall 4036844
vecsmall_append 4111387
sqrfrac 4148147
vecsmall_copy 4404227
mkcol2s 4416244
F2x_equal 4658648
FpXQX_renormalize 4693752
mkmat 4750797
qfb_disc3 4990835
mkfraccopy 4999312
is_rational_t 5035339
bnf_get_clgp 5374934
nf_get_zkprimpart 5416576
nf_get_zkden 5462423
FpX_div 5581228
checkell_i 5593278
pari_stack_delete 5622423
isintm1 5711201
bid_get_cyc 5739575
bid_get_grp 5804429
col_ei 5925854
pari_stack_init 6084479
get_FpX_degree 6424838
Flm_copy 6433707
sqrti 6665997
get_FpX_var 6957897
RgX_div 7000740
vecsmall_lexcmp 7043252
ell_get_a2 7106155
ZM_lll 7112591
RgX_gtofp 7147559
znstar_get_faN 7330731
ell_get_b2 7371033
ZX_is_monic 7375991
zc_to_ZC 7824064
vecsmall_to_col 7838245
znstar_get_conreycyc 7978902
F2m_coeff 8039283
Q_abs 8063958
mkintmod 8092620
ZV_ZV_mod 8131119
RgM_gtofp 8252656
Flx_equal1 8331280
gc_INT_affii 8489916
ell_get_a4 8536696
Flm_row 8742339
ell_get_a3 8814026
ell_get_a1 8997058
cxtofp 9085299
veclast 9372664
ismpzero 9583578
is_intreal_t 9583694
const_col 9729869
RgM_dimensions 9742073
nf_get_invzk 9765937
bnf_get_nf 9863735
mkvec4 10106229
ser_isexactzero 10120284
ell_get_a6 10370934
mkcol 10640982
ZC_hnfrem 10690748
mul_denom 10710041
ell_get_c4 11017911
Fp_addmul 11381523
pr_get_gen 12062839
vectrunc_init 12066585
abgrp_get_cyc 12230221
F2x_clear 12355658
F2v_clear 12355662
ell_get_type 12499239
nbits2nlong 12678379
pol0_F2x 13243079
ell_get_c6 13474339
gmax_shallow 13510221
modpr_get_T 13867683
closure_get_frame 14170116
zeromatcopy 14240733
rowpermute 14709821
Fp_div 15035349
Fp_divu 15129814
mkvec5 15185223
pr_get_e 15952927
vectrunc_append 16162054
ell_get_disc 16814846
matslice 16817439
pr_is_inert 16910189
normalize_frac 17205087
isint1 17586525
mkvecsmall4 17831261
Fp_center_i 18061361
cxcompotor 18222392
qfb_disc 18514503
const_vecsmall 19707406
vecpermute 20533661
nf_get_M 21171772
Flx_div_pre 21708416
RgM_shallowcopy 22170939
Fp_double 22343280
RgX_is_ZX 22422448
gmulgs 22510899
nf_get_r1 22892308
ZV_isscalar 23097915
Fp_inv 23439886
get_Flx_mod 25604994
pr_get_f 26041647
RgX_equal_var 26882902
shallowcopy 27640287
mkqfb 27919792
zerovec 28455559
modpr_get_pr 31238330
Fp_neg 31480283
hash_str_len 31549911
RgV_is_ZV 32166725
submulii 32847732
mkmat2 33658611
RgC_gtofp 34013409
const_vec 34482930
zero_zv 36738669
polx_Flx 37835994
lincombii 38186357
znstar_get_N 38653757
closure_is_variadic 40168635
mkfrac 41641997
zeropol 42358742
powii 43178416
is_vec_t 43935944
absfrac 46643593
guncloneNULL 48227489
pr_get_tau 48871855
mkmat22 50277882
ell_is_inf 52531345
QV_isscalar 54401346
pol1_Flx 55084320
zero_Flv 59497984
addmuliu_inplace 59698299
submuliu_inplace 60194423
F2x_copy 60388649
gtodouble 60798998
is_real_t 62063860
qfb_is_qfi 62951537
Fp_sqr 64676215
Fp_mulu 67722211
get_Flx_var 68402028
mkvec 71142662
nf_get_degree 71350792
Fp_center 77226785
vecsmallpermute 78733076
rowslice 79337754
sqrtr 80367300
perm_mul 80928593
Fp_red 82083824
get_Flx_degree 82261454
pol_0 83002146
gtos 85854576
is_noncalc_t 85864692
cxnorm 90942052
mkcomplex 91640290
pr_get_p 91709211
dbllog2r 92830934
nf_get_pol 98058482
F2v_set 101404392
vecsmalltrunc_append 101455982
cgiv 102121876
RgX_copy 103408889
pol0_Flx 103524281
prec2nbits 103958243
mkvecsmall3 104051918
vecsmall_prefixcmp 108088071
gc_all 110008051
F2x_renormalize 115200237
mkvec3 117700539
zerocol 122292322
gaddgs 123248614
both_odd 123964881
F2x_set 124750271
nchar2nlong 127410808
mkvecsmall 131697278
equalim1 139505725
bit_prec 142675806
FpX_renormalize 144577989
ZX_renormalize 155010441
mkcol2 156862237
nbrows 157479143
leading_coeff 170559279
Flx_copy 173828369
Fp_add 181623659
mkvec2 185565961
nbits2prec 186143422
vecsmalltrunc_init 191266489
Fp_mul 201096536
Fp_sub 203526930
mkvecsmall2 233648040
gtofp 254255577
gc_GEN 256233186
gmulgu 282059385
lg_increase 318544299
closure_get_data 321379005
closure_get_oper 321396314
closure_codestr 321411593
is_universal_constant 325845810
lgcols 350252975
closure_arity 371293029
is_scalar_t 375669536
bin_copy 497350424
pari_free 510764949
is_bigint 562623317
leafcopy_avma 576692991
vecslice 656053579
is_matvec_t 659392980
F2v_coeff 661330838
F2x_coeff 667913144
pari_malloc 746650003
pari_stack_new 924903242
GENbinbase 964399534
pari_stack_alloc 1019589096
pari_stack_base 1025180392
gc_leaf 1132548243
equali1 1175182061
nbits2extraprec 1456357566
gc_upto 1949261209
odd 2085092613
is_pm1 2202426498
lgpol 2684480768
isintzero 2837931509
bit_accuracy 3162874550
gc_INT 4103464284
prec2lg 4466159129
is_const_t 4888420870
degpol 5502592477
remsBIL 8005488151
icopy_avma 8035775717
divsBIL 8096474110
isonstack 8254884779
is_recursive_t 9239221263

Generated by: LCOV version 1.16