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 30364-8108102770) Lines: 1420 1532 92.7 %
Date: 2025-06-30 09:21:07 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_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
rnf_get_alpha 1428
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
pari_err_DOMAIN 2771
rnf_get_ramified_primes 2849
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 4830
rnf_get_nfvarn 4886
idealchineseinit 5427
gval 5824
pari_stack_pushp 5851
gal_get_p 6020
FqX_get_red 6090
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
gchar_get_mod 8225
locs_get_mod 8225
FqX_gcd 8246
ndec2nbits 8270
bnf_get_no 8358
prec2ndec 9778
cgetalloc 10166
gchar_get_Ui 10969
vec_shorten 11549
vectrunc_append_batch 12278
ZX_equal1 12711
R_abs_shallow 13097
gchar_get_nfprec 13419
closure_get_dbg 13523
zx_renormalize 14049
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 18969
FqX_halve 19411
Qtoss 19936
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 22781
ZV_dvd 23485
gal_get_mod 23772
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25852
nfV_to_scalar_or_alg 26293
absfrac_shallow 27845
gal_get_den 27874
gal_get_invvdm 27881
zerovec_block 28933
gequalgs 29176
gener_Fq_local 29932
gchar_get_basis 32639
gal_get_roots 32753
F2xqX_div 33173
ndec2prec 33251
mkcolcopy 33503
gal_get_pol 36337
closure_get_text 36855
gchar_get_S 36865
gchar_get_ns 36865
gchar_get_nc 37131
FqX_rem 37743
F2v_to_F2x 37849
FqX_div 38545
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41521
znstar_get_Ui 46788
pari_calloc 47573
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50347
get_FpXQX_var 51630
locs_get_cyc 51955
div_content 58476
RgX_fpnorml2 61606
err_get_num 62332
bid_get_gen 64274
nf_get_ramified_primes 64813
RgX_is_rational 68305
FqX_sub 68607
mkquad 69118
FqX_div_by_X_x 69629
quadnorm 69881
FqX_sqr 71855
bid_get_ideal 72821
Fq_to_FpXQ 73792
vecsmall_shorten 74667
bnr_get_mod 77118
gal_get_group 80394
mkcol3 88314
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
gtou 104374
mkmoo 108808
zeromat 109103
RgV_isin 110130
RgV_isin_i 110130
mkvec2copy 114564
Q_abs_shallow 120258
mkmatcopy 122232
mkveccopy 122507
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138475
zeroser 138810
RgV_is_QV 140748
FqX_factor 141051
get_FpXQX_mod 146583
FlxqX_div_pre 165411
znstar_get_U 176051
rowslicepermute 184825
vecsmall_prepend 186991
gchar_get_DLdata 188468
locs_get_Lsprk 191695
F2m_copy 200491
get_F2xqX_degree 200851
gchar_get_bnf 203105
rowcopy 204988
locs_get_m_infty 207235
mkmat22s 207501
mkvec2s 220405
mkcol6 232484
ellR_get_prec 232582
zero_Flm_copy 236087
gchar_get_nf 241501
Fp_halve 247348
affc_fixlg 249588
rnf_get_nfpol 255354
znstar_get_cyc 261976
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277499
gchar_get_zm 279434
bnf_get_tuN 282990
bnf_get_fu_nocheck 289069
nf_get_G 303117
bnf_get_tuU 303554
vec_prepend 313877
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 330187
upr_norm 343930
RgX_renormalize 349807
abgrp_get_no 355163
ZM_hnfrem 363845
FqX_mul 367800
ellR_get_sign 371325
get_F2xqX_var 375375
vecsplice 384893
coltrunc_init 393680
cxtoreal 394435
RgX_is_QX 400114
perm_conj 418299
FqX_Fq_mul 427272
FqX_extgcd 444985
Z_issquare 458909
nf_get_disc 463822
precdbl 475379
RgX_shift_inplace 479267
RgX_shift_inplace_init 479267
zv_to_ZV 502975
vecsmall_to_vec 511536
nf_get_sign 517282
mkvec3s 524441
gdivsg 529205
addmuliu 541055
FqX_Fp_mul 572043
prec2nbits_mul 580920
vecsmall_ei 584725
ZM_ZV_mod 596591
RgC_fpnorml2 622074
FqX_is_squarefree 683802
vecreverse 697046
mkrfrac 698152
mkvecsmall5 720830
logint 752782
row 763978
rnf_get_nf 786030
gcmpgs 790662
ellff_get_a4a6 800028
zero_F2m_copy 845104
FpXX_renormalize 849896
zeropadic 855575
gmin_shallow 876313
affgr 898817
ZXQ_sqr 953481
cgetc 973492
Flx_lead 979973
vecsmall_max 1032278
sstoQ 1074262
polx_F2x 1078457
pr_norm 1086491
Fp_invsafe 1100352
Flx_mulu 1105009
RgV_isscalar 1208177
mkfracss 1209444
gen_I 1269486
ell_get_j 1295726
mkoo 1331991
bnf_get_sunits 1365639
bnr_get_nf 1368105
rnf_get_absdegree 1392746
guncloneNULL_deep 1392786
RgX_is_monomial 1396410
zero_Flx 1426867
constant_coeff 1441275
Rg_col_ei 1451349
inf_get_sign 1453052
vecsmall_concat 1464345
nf_get_varn 1503565
bid_get_mod 1521922
F2m_flip 1554230
F2v_flip 1554230
F2x_flip 1554230
F2x_div 1570408
nf_get_roots 1621339
bnf_get_gen 1678187
vec_ei 1714619
gsubgs 1719848
ulogint 1723333
nf_get_roundG 1743992
abgrp_get_gen 1762899
ellinf 1868504
modpr_get_p 1888432
killblock 1903981
get_F2x_degree 1928977
Flx_div 1998983
ellnf_get_nf 2027557
ellff_get_field 2036853
bnr_get_bid 2045861
ell_get_b4 2135641
ZXQ_mul 2148025
bid_get_MOD 2157248
bid_get_sprk 2157985
pari_realloc_ip 2167949
zv_copy 2184094
bid_get_fact2 2201570
gc_slice 2204879
pol_xn 2246141
bid_get_archp 2397075
bid_get_fact 2498884
get_F2x_mod 2499141
rnf_get_degree 2506307
bnr_get_cyc 2522319
get_F2x_var 2534066
RgX_coeff 2551519
Flv_copy 2555353
ell_get_b8 2608978
mul_content 2652015
vecslicepermute 2656297
hash_str 2747301
cyc_get_expo 2755518
perm_inv 2780052
zero_Flm 2796333
sqrtnr 2800303
znstar_get_pe 2820791
bnr_get_clgp 2830006
rnf_get_pol 2845157
bnf_get_logfu 2872548
F2x_equal1 2873952
gisdouble 2984903
ell_get_b6 3055105
mkpolmod 3104796
Fq_red 3106447
bit_accuracy_mul 3175261
ZV_to_zv 3205807
znstar_get_conreygen 3221961
identity_perm 3222960
identity_zv 3247302
F3m_coeff 3256663
get_FpX_mod 3394327
vec_append 3461180
zero_F2v 3647452
bid_get_U 3680230
bnf_get_cyc 3681665
nf_get_index 3707914
bnr_get_bnf 3750914
pol_x 3820816
mulsubii 3881842
pol1_F2x 3957052
vec_to_vecsmall 4031197
vecsmall_append 4100965
sqrfrac 4136814
vecsmall_copy 4399218
mkcol2s 4415390
pol_1 4470193
F2x_equal 4656944
checkell_i 4677434
FpXQX_renormalize 4692694
mkmat 4748598
mkfraccopy 4958761
qfb_disc3 4987665
is_rational_t 5034479
bnf_get_clgp 5368369
nf_get_zkprimpart 5412462
pari_stack_delete 5417548
ell_get_b2 5432774
nf_get_zkden 5458289
FpX_div 5577096
isintm1 5703346
ell_get_a2 5709701
bid_get_cyc 5739542
bid_get_grp 5804393
pari_stack_init 5810635
col_ei 5923543
get_FpX_degree 6006329
Flm_copy 6429684
ell_get_a4 6522702
sqrti 6675332
mkvec4 6751821
ell_get_a3 6912837
RgX_div 7054685
veclast 7092346
ZM_lll 7102309
ell_get_a1 7116190
RgX_gtofp 7139551
vecsmall_lexcmp 7209158
znstar_get_faN 7212431
get_FpX_var 7238542
ZX_is_monic 7332930
zc_to_ZC 7820497
znstar_get_conreycyc 7824972
vecsmall_to_col 7834674
ell_get_a6 7961475
mkintmod 7999914
ell_get_c4 8021695
F2m_coeff 8033623
Q_abs 8048962
ZV_ZV_mod 8128894
RgM_gtofp 8249636
Flx_equal1 8327064
gc_INT_affii 8483515
Flm_row 8741889
ell_get_c6 8850332
cxtofp 8982058
ismpzero 9575007
is_intreal_t 9575119
const_col 9729458
RgM_dimensions 9741867
nf_get_invzk 9757816
bnf_get_nf 9852615
ser_isexactzero 10079479
mkcol 10617353
ZC_hnfrem 10682036
mul_denom 10705899
ell_get_disc 11280285
Fp_addmul 11412851
ell_get_type 11588235
vectrunc_init 11955626
pr_get_gen 12051782
abgrp_get_cyc 12225620
F2x_clear 12354702
F2v_clear 12354706
nbits2nlong 12648271
closure_get_frame 13188796
pol0_F2x 13238230
gmax_shallow 13510218
modpr_get_T 13865296
zeromatcopy 14228821
Fp_center_i 14232479
rowpermute 14676955
mkvec5 14725168
Fp_div 15034703
Fp_divu 15134417
vectrunc_append 15523197
pr_get_e 15947505
mkvecsmall4 16077806
matslice 16674520
pr_is_inert 16889565
normalize_frac 17004531
isint1 17114231
cxcompotor 18013330
hash_str_len 18305417
qfb_disc 18515243
const_vecsmall 19465411
vecpermute 20502704
nf_get_M 21066960
RgX_is_ZX 21384198
Flx_div_pre 21685200
RgM_shallowcopy 22158922
gmulgs 22320730
Fp_double 22359461
nf_get_r1 22789615
ZV_isscalar 22996776
Fp_inv 23376860
get_Flx_mod 25583095
pr_get_f 25979379
RgX_equal_var 26880776
zerovec 26914722
shallowcopy 27635886
mkqfb 28077427
Fp_neg 30881382
modpr_get_pr 31231231
RgV_is_ZV 31642443
submulii 32843721
mkmat2 33190608
const_vec 33508284
RgC_gtofp 34004714
znstar_get_N 34545856
zero_zv 36700636
polx_Flx 38043732
lincombii 38193236
closure_is_variadic 40144385
mkfrac 41116859
zeropol 42310276
powii 43195824
is_vec_t 43500366
absfrac 45971447
guncloneNULL 48134272
pr_get_tau 48824234
mkmat22 50103155
ell_is_inf 52748515
QV_isscalar 54376805
pol1_Flx 55025770
zero_Flv 59422330
addmuliu_inplace 59685345
submuliu_inplace 60172366
F2x_copy 60383041
gtodouble 60864694
is_real_t 62657699
qfb_is_qfi 63017114
Fp_sqr 64912353
mkvec 68166617
get_Flx_var 68320291
Fp_mulu 69493681
nf_get_degree 71318195
Fp_center 76254112
vecsmallpermute 78073732
rowslice 78569391
sqrtr 80237239
perm_mul 80269327
Fp_red 82037756
pol_0 83291294
get_Flx_degree 83318238
is_noncalc_t 85758328
gtos 85815596
mkcomplex 90285745
cxnorm 90697931
pr_get_p 91649828
dbllog2r 94044305
nf_get_pol 98008730
F2v_set 101397245
vecsmalltrunc_append 101417964
mkvecsmall3 101433219
cgiv 101998229
pol0_Flx 103180025
RgX_copy 103504139
prec2nbits 105814810
vecsmall_prefixcmp 108088071
gc_all 109596709
F2x_renormalize 115171088
both_odd 117031522
mkvec3 118559324
nchar2nlong 122227280
zerocol 122232995
gaddgs 123175691
gmulgu 124184361
F2x_set 124719009
mkvecsmall 130798112
equalim1 139042015
bit_prec 142890751
FpX_renormalize 145322765
mkcol2 156544951
ZX_renormalize 157280731
nbrows 157331516
uutoQ 158482153
leading_coeff 171101081
Fp_add 172262239
Flx_copy 173842263
mkvec2 184981389
nbits2prec 186850852
vecsmalltrunc_init 190078303
Fp_mul 200400293
Fp_sub 204056846
mkvecsmall2 227164114
gtofp 254146490
gc_GEN 254533329
is_universal_constant 291101620
lg_increase 314808715
closure_get_data 319458793
closure_get_oper 319488961
closure_codestr 319515949
lgcols 348137896
closure_arity 368375973
is_scalar_t 380672096
bin_copy 494284818
pari_free 507615038
is_bigint 560640257
leafcopy_avma 569527535
pari_stack_new 607158773
vecslice 643118851
F2v_coeff 661287548
is_matvec_t 664390578
F2x_coeff 667821730
pari_stack_alloc 700367069
pari_stack_base 705735169
pari_malloc 738074486
GENbinbase 958237736
gc_leaf 1131484132
equali1 1305065816
nbits2extraprec 1497752802
gc_upto 1919589993
odd 2077955318
is_pm1 2190143934
lgpol 2666076866
isintzero 2811291716
bit_accuracy 3161529276
gc_INT 4075580514
prec2lg 4492712735
is_const_t 4902387460
degpol 5415859729
icopy_avma 7959729224
remsBIL 8049412731
divsBIL 8139588779
isonstack 8190880963
is_recursive_t 9218663953

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