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 30317-3ce82218f7) Lines: 1420 1532 92.7 %
Date: 2025-06-05 09:19:38 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 350
pari_err_VAR 371
polxn_Flx 371
sturm 385
pari_err_OP 406
vecsmall_lengthen 526
pari_err_IMPL 539
RgC_gtomp 574
rnf_get_varn 574
gchar_get_r2 623
gchar_set_HUUi 623
gchar_set_nalg 623
gchar_set_nfree 623
gchar_set_ntors 623
bnf_get_reg 641
pari_err_DIM 718
perm_sqr 728
Rg_to_Fq 756
F2m_set 798
gchar_set_m0 950
row_i 987
RgM_minor 1036
quad_disc 1085
ellQp_get_p 1134
gchar_copy_precs 1202
gchar_set_prec 1202
rnf_get_alpha 1204
rnf_get_invzk 1225
rnf_get_k 1225
locs_get_Lgenfil 1260
locs_get_famod 1260
FqX_powu 1295
pari_err_MODULUS 1316
zero_F2x 1350
rnf_get_idealdisc 1386
ellQp_get_zero 1463
powIs 1561
gchar_set_basis 1573
gchar_set_cyc 1573
gchar_get_sfu 1748
gchar_set_evalprec 1785
mkintmodu 1813
gchar_get_nm 1841
pari_realloc 1890
RgXQX_div 1904
mkpadic 2009
gchar_get_nalg 2042
gchar_set_nf 2077
gchar_set_u0 2093
vecsmall_min 2324
vecreverse_inplace 2570
rnf_get_ramified_primes 2625
pari_err_DOMAIN 2771
gchar_set_nfprec 2950
vecsmall_reverse 3052
vecsmall_to_vec_inplace 3304
gchar_get_m0 3321
pari_err_TYPE2 3493
get_FpXQX_degree 3589
matpascal 3885
gchar_get_evalprec 4011
gchar_get_modP 4095
FqX_normalize 4123
nf_get_r2 4140
gchar_get_u0 4267
identity_ZV 4333
nf_get_zk 4382
nf_get_diff 4438
F2v_copy 4487
FpXQX_div 4526
rnf_get_zk 4606
rnf_get_nfvarn 4886
idealchineseinit 5427
gval 5824
pari_stack_pushp 5851
gal_get_p 6020
FqX_get_red 6090
rnf_get_nfzk 6573
FqXn_expint 6590
gal_get_orders 6678
is_extscalar_t 6876
pari_err_SQRTN 7084
FqXn_inv 7126
FqX_roots 7273
submuliu 7728
bnr_get_gen 7847
get_FlxqX_mod 8033
gchar_get_mod 8225
locs_get_mod 8225
FqX_gcd 8246
ndec2nbits 8270
bnf_get_no 8358
prec2ndec 9778
cgetalloc 10166
vectrunc_append_batch 10213
gchar_get_Ui 10969
vec_shorten 11549
ZX_equal1 12679
R_abs_shallow 13097
gchar_get_nfprec 13419
closure_get_dbg 13523
zx_renormalize 14049
gener_Fq_local 14595
pari_err_TYPE 15384
gal_get_gen 15449
znstar_get_gen 16150
gchar_get_cyc 16168
mkmat3 17001
zeropadic_shallow 17024
gchar_get_r1 17416
Fp_muls 17780
gchar_get_prec 18732
vec_lengthen 18941
FqX_halve 19411
Qtoss 19936
pari_err_INV 20018
FpXY_Fq_evaly 20587
rnf_get_nfdegree 21231
FqX_mulu 21942
nf_get_Tr 22079
gtomp 22428
RgM_fpnorml2 22438
FqXQ_mul 22766
ZV_dvd 23485
gal_get_mod 23772
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25852
nfV_to_scalar_or_alg 26292
absfrac_shallow 27397
gal_get_den 27650
gal_get_invvdm 27657
zerovec_block 28233
gequalgs 29176
bid_get_arch 31626
gal_get_roots 32529
gchar_get_basis 32639
F2xqX_div 33173
ndec2prec 33223
mkcolcopy 33509
gal_get_pol 36113
closure_get_text 36855
gchar_get_S 36865
gchar_get_ns 36865
gchar_get_nc 37131
FqX_rem 37743
F2v_to_F2x 37825
FqX_div 38547
FqX_deriv 40061
mkcols 40411
ndec2nlong 41493
znstar_get_Ui 46788
pari_calloc 47545
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50347
get_FpXQX_var 51630
bid_get_gen 51933
locs_get_cyc 51955
div_content 57985
nf_get_ramified_primes 59415
RgX_fpnorml2 60585
bnr_get_mod 61579
err_get_num 62333
RgX_is_rational 67735
FqX_sub 68607
mkquad 69118
FqX_div_by_X_x 69629
quadnorm 69881
FqX_sqr 71855
vecsmall_shorten 72788
bid_get_ideal 72821
Fq_to_FpXQ 73792
gal_get_group 80169
mkcol3 88314
cyclic_perm 99911
gtou 102703
mkcol4 103467
zv_to_zx 104146
mkmoo 105922
zeromat 109129
RgV_isin 110130
RgV_isin_i 110130
mkvec2copy 114514
Q_abs_shallow 118669
mkmatcopy 121008
mkveccopy 122507
RgXQX_rem 126529
FqX_add 127694
rnf_get_map 135211
idealred 138498
zeroser 138810
RgV_is_QV 140076
FqX_factor 140939
get_FpXQX_mod 146583
FlxqX_div_pre 165415
znstar_get_U 176051
rowslicepermute 182634
vecsmall_prepend 186767
gchar_get_DLdata 188468
locs_get_Lsprk 191695
F2m_copy 198020
get_F2xqX_degree 200851
gchar_get_bnf 203105
rowcopy 204988
locs_get_m_infty 207235
mkmat22s 207501
mkvec2s 220007
zero_Flm_copy 232311
mkcol6 232365
ellR_get_prec 232582
gchar_get_nf 241501
Fp_halve 246991
affc_fixlg 249595
rnf_get_nfpol 255354
znstar_get_cyc 261976
FqXn_mul 263403
get_FlxqX_var 264420
bnf_get_tuN 265419
bnr_get_no 277497
gchar_get_zm 279434
bnf_get_fu_nocheck 288418
bnf_get_tuU 290761
nf_get_G 301296
vec_prepend 301299
rnf_get_polabs 314496
get_FlxqX_degree 317565
ZM_hnfrem 327088
Flx_constant 330330
upr_norm 343930
RgX_renormalize 349807
vecsplice 354701
abgrp_get_no 354832
FqX_mul 367297
ellR_get_sign 371325
get_F2xqX_var 375375
coltrunc_init 393680
cxtoreal 394438
RgX_is_QX 395898
perm_conj 418299
FqX_Fq_mul 427298
FqX_extgcd 443131
nf_get_disc 457225
Z_issquare 458580
precdbl 475337
RgX_shift_inplace 479267
RgX_shift_inplace_init 479267
vecsmall_ei 494132
zv_to_ZV 502527
vecsmall_to_vec 511088
nf_get_sign 517053
mkvec3s 524441
gdivsg 529208
ZM_ZV_mod 540136
addmuliu 541073
FqX_Fp_mul 568328
prec2nbits_mul 580921
RgC_fpnorml2 618275
FqX_is_squarefree 683802
mkvecsmall5 692077
vecreverse 697046
mkrfrac 698152
rnf_get_nf 733726
logint 752113
row 762843
gcmpgs 790668
ellff_get_a4a6 800037
zero_F2m_copy 840124
FpXX_renormalize 849896
zeropadic 855590
gmin_shallow 874927
affgr 898789
ZXQ_sqr 951571
cgetc 973495
Flx_lead 979251
vecsmall_max 1029938
pr_norm 1066919
sstoQ 1074206
polx_F2x 1075710
mkoo 1076943
Fp_invsafe 1099967
Flx_mulu 1104807
RgV_isscalar 1140179
nf_get_varn 1167783
inf_get_sign 1195130
mkfracss 1209444
gen_I 1269468
bnr_get_nf 1269684
bnf_get_sunits 1278293
ell_get_j 1295726
Rg_col_ei 1309032
guncloneNULL_deep 1370127
bid_get_mod 1386422
rnf_get_absdegree 1392746
RgX_is_monomial 1395682
zero_Flx 1426279
constant_coeff 1439908
vecsmall_concat 1464188
nf_get_roots 1531717
F2m_flip 1553933
F2v_flip 1553933
F2x_flip 1553933
F2x_div 1565890
bnf_get_gen 1578496
abgrp_get_gen 1650862
nf_get_roundG 1686074
vec_ei 1711687
ulogint 1713079
gsubgs 1719806
ellinf 1868474
killblock 1885371
modpr_get_p 1888417
get_F2x_degree 1928983
bnr_get_bid 1941847
bid_get_MOD 1994848
bid_get_sprk 1995575
Flx_div 1995821
ellnf_get_nf 2027624
bid_get_fact2 2029380
ellff_get_field 2036866
ell_get_b4 2135641
ZXQ_mul 2145456
pari_realloc_ip 2149195
zv_copy 2183519
gc_slice 2202301
bid_get_archp 2222132
pol_xn 2232391
bid_get_fact 2317641
bnr_get_cyc 2345174
get_F2x_mod 2499050
rnf_get_degree 2506083
mul_content 2512829
cyc_get_expo 2523368
get_F2x_var 2532761
Flv_copy 2545216
RgX_coeff 2551519
ell_get_b8 2608978
bnr_get_clgp 2640511
vecslicepermute 2647105
bnf_get_logfu 2702474
hash_str 2747301
perm_inv 2778480
zero_Flm 2785175
sqrtnr 2795076
znstar_get_pe 2820791
rnf_get_pol 2844933
F2x_equal1 2873715
gisdouble 2967290
mkpolmod 3024833
ell_get_b6 3055105
Fq_red 3106397
identity_perm 3130551
identity_zv 3154894
bit_accuracy_mul 3175252
ZV_to_zv 3191093
znstar_get_conreygen 3221961
F3m_coeff 3247908
bid_get_U 3382327
get_FpX_mod 3393183
vec_append 3432110
bnf_get_cyc 3511200
pol_x 3564628
nf_get_index 3580454
bnr_get_bnf 3594599
zero_F2v 3628376
mulsubii 3850417
pol1_F2x 3954636
vec_to_vecsmall 4016078
vecsmall_append 4078905
sqrfrac 4136300
vecsmall_copy 4366178
mkcol2s 4415390
pol_1 4464415
mkmat 4610481
F2x_equal 4655765
checkell_i 4677454
FpXQX_renormalize 4693966
qfb_disc3 4848262
mkfraccopy 4958963
is_rational_t 5017202
nf_get_zkprimpart 5020839
nf_get_zkden 5066672
bnf_get_clgp 5098211
pari_stack_delete 5328655
bid_get_cyc 5367646
bid_get_grp 5420159
ell_get_b2 5432780
FpX_div 5442062
col_ei 5680577
isintm1 5702745
ell_get_a2 5709703
pari_stack_init 5757930
get_FpX_degree 6006060
Flm_copy 6275096
ell_get_a4 6522704
sqrti 6591094
mkvec4 6646996
ell_get_a3 6912844
ZM_lll 6934064
veclast 6934513
RgX_div 7053746
ell_get_a1 7116197
RgX_gtofp 7132219
vecsmall_lexcmp 7209171
znstar_get_faN 7211773
get_FpX_var 7237064
ZX_is_monic 7328614
ZV_ZV_mod 7343477
zc_to_ZC 7747388
vecsmall_to_col 7761570
znstar_get_conreycyc 7824692
Q_abs 7936254
ell_get_a6 7961477
mkintmod 7984154
ell_get_c4 8021670
F2m_coeff 8022009
RgM_gtofp 8178504
Flx_equal1 8319980
gc_INT_affii 8460215
Flm_row 8740954
ell_get_c6 8850318
cxtofp 8979207
RgM_dimensions 9408824
bnf_get_nf 9429118
nf_get_invzk 9488258
ismpzero 9574827
is_intreal_t 9574942
const_col 9622844
ser_isexactzero 10079479
mkcol 10185241
ZC_hnfrem 10191779
mul_denom 10293796
ell_get_disc 11279830
Fp_addmul 11324868
abgrp_get_cyc 11506128
pr_get_gen 11513193
ell_get_type 11588198
vectrunc_init 11629206
F2v_clear 12265234
F2x_clear 12265238
nbits2nlong 12577307
closure_get_frame 13065888
modpr_get_T 13192633
pol0_F2x 13237528
gmax_shallow 13509997
zeromatcopy 14027337
Fp_center_i 14165277
rowpermute 14415713
mkvec5 14487600
Fp_div 15034587
Fp_divu 15134415
vectrunc_append 15157066
mkvecsmall4 15480700
pr_get_e 15719291
pr_is_inert 16402525
matslice 16605407
normalize_frac 17001802
isint1 17089569
cxcompotor 18007574
hash_str_len 18212862
qfb_disc 18474618
const_vecsmall 18988376
vecpermute 19834603
nf_get_M 20767016
RgX_is_ZX 20849771
Fp_double 21156273
Flx_div_pre 21389771
RgM_shallowcopy 21408170
gmulgs 22057653
nf_get_r1 22161152
ZV_isscalar 22762065
Fp_inv 23225167
pr_get_f 25347566
get_Flx_mod 25410058
shallowcopy 25834844
zerovec 26646020
RgX_equal_var 26927648
mkqfb 27798713
modpr_get_pr 30070698
Fp_neg 30197966
RgV_is_ZV 31476806
mkmat2 32558343
submulii 32799889
const_vec 32855101
RgC_gtofp 33711864
znstar_get_N 34545576
zero_zv 36171880
polx_Flx 37541479
lincombii 37854627
closure_is_variadic 40103698
mkfrac 41027527
zeropol 42309362
powii 42925414
is_vec_t 43428444
absfrac 45595306
pr_get_tau 47846967
guncloneNULL 47877665
mkmat22 49801051
ell_is_inf 51341793
QV_isscalar 52368263
pol1_Flx 54580636
zero_Flv 58769502
addmuliu_inplace 59404752
submuliu_inplace 59905603
F2x_copy 60394421
gtodouble 60838813
qfb_is_qfi 60850824
is_real_t 62656159
Fp_sqr 64294071
get_Flx_var 67703636
mkvec 68097845
Fp_mulu 68563034
nf_get_degree 68833617
Fp_center 75775219
vecsmallpermute 77992038
rowslice 78372781
sqrtr 79992282
perm_mul 80186870
Fp_red 80783876
get_Flx_degree 82399645
pol_0 83281531
is_noncalc_t 85680837
gtos 85805770
pr_get_p 89385388
mkcomplex 90074751
cxnorm 90690187
dbllog2r 93159502
nf_get_pol 94456165
vecsmalltrunc_append 99738999
mkvecsmall3 100288138
cgiv 100647538
F2v_set 101339491
pol0_Flx 101897577
RgX_copy 103509938
prec2nbits 104969748
gc_all 106204943
vecsmall_prefixcmp 108088071
F2x_renormalize 115148997
mkvec3 116890403
both_odd 116908725
zerocol 118835285
nchar2nlong 120823951
gaddgs 123175617
gmulgu 124184326
F2x_set 124660414
mkvecsmall 129364788
equalim1 139009781
bit_prec 141562542
FpX_renormalize 145107789
nbrows 153702649
mkcol2 154768080
ZX_renormalize 157047303
uutoQ 158080619
leading_coeff 169271936
Fp_add 171971391
Flx_copy 172074175
mkvec2 182483900
nbits2prec 186144079
vecsmalltrunc_init 187903985
Fp_mul 199876957
Fp_sub 203606940
mkvecsmall2 223808601
gc_GEN 249728943
gtofp 252743514
is_universal_constant 291032000
lg_increase 313616070
closure_get_data 319357680
closure_get_oper 319381068
closure_codestr 319400537
lgcols 341311846
closure_arity 368150285
is_scalar_t 377648413
bin_copy 482392047
pari_free 495668526
is_bigint 558724035
leafcopy_avma 566171544
pari_stack_new 605823037
vecslice 641998823
is_matvec_t 660118158
F2v_coeff 660986838
F2x_coeff 667549676
pari_stack_alloc 698860248
pari_stack_base 704184888
pari_malloc 726013215
GENbinbase 935735432
gc_leaf 1117134735
equali1 1289825477
nbits2extraprec 1488381673
gc_upto 1907070633
odd 2055668521
is_pm1 2176932260
lgpol 2635224003
isintzero 2805733434
bit_accuracy 3134363344
gc_INT 4044134794
prec2lg 4477472143
is_const_t 4891279502
degpol 5350061568
icopy_avma 7911030729
remsBIL 8011367707
divsBIL 8101902212
isonstack 8131127234
is_recursive_t 9159355442

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