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 30582-6e9af8ee1d) Lines: 1421 1535 92.6 %
Date: 2025-12-20 09:23:49 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
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
mkvec6s 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
rnf_get_ramified_primes 2849
pari_err_DOMAIN 2862
gchar_set_nfprec 2968
vecsmall_reverse 3059
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 4452
F2v_copy 4487
FpXQX_div 4526
rnf_get_zk 4830
rnf_get_nfvarn 4886
idealchineseinit 5427
pari_stack_pushp 5851
gal_get_p 6013
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 7665
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 12376
ZX_equal1 12808
R_abs_shallow 13097
gchar_get_nfprec 13468
closure_get_dbg 13621
zx_renormalize 14049
pari_err_TYPE 15370
gal_get_gen 15442
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 18981
FqX_halve 19411
pari_err_INV 20018
FpXY_Fq_evaly 20587
rnf_get_nfdegree 21455
FqX_mulu 21942
nf_get_Tr 22082
gtomp 22428
FqXQ_mul 22766
RgM_fpnorml2 22788
ZV_dvd 23485
gal_get_mod 23765
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
gequalgs 29176
zerovec_block 29507
gener_Fq_local 29946
gal_get_roots 32746
gchar_get_basis 32816
F2xqX_div 33173
ndec2prec 33279
mkcolcopy 33535
Qtoss 35322
gal_get_pol 36330
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37051
gchar_get_nc 37261
F2v_to_F2x 37490
FqX_rem 37743
FqX_div 38567
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41549
znstar_get_Ui 46788
pari_calloc 47713
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50519
get_FpXQX_var 51630
locs_get_cyc 52136
div_content 58559
RgX_fpnorml2 61663
err_get_num 62523
bid_get_gen 64274
nf_get_ramified_primes 64883
RgX_is_rational 68301
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 75918
bnr_get_mod 77133
gal_get_group 80395
mkcol3 88314
gtou 99702
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108819
zeromat 109147
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114611
Q_abs_shallow 120243
mkmatcopy 122236
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138684
zeroser 138908
RgV_is_QV 140757
FqX_factor 141072
get_FpXQX_mod 146583
FlxqX_div_pre 165415
znstar_get_U 176107
rowslicepermute 184883
vecsmall_prepend 186984
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200497
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220475
mkcol6 232561
ellR_get_prec 232750
zero_Flm_copy 238669
gchar_get_nf 243946
Fp_halve 247341
affc_fixlg 249622
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277495
gchar_get_zm 281911
bnf_get_tuN 283006
bnf_get_fu_nocheck 289098
bnf_get_tuU 303584
nf_get_G 304147
vec_prepend 313998
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 334002
cxtoreal 337206
upr_norm 346136
RgX_renormalize 349807
abgrp_get_no 355207
ZM_hnfrem 363863
FqX_mul 367814
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384929
RgX_is_QX 400306
perm_conj 418299
FqX_Fq_mul 427288
FqX_extgcd 445087
Z_issquare 458916
nf_get_disc 464019
precdbl 475493
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
zv_to_ZV 503024
vecsmall_to_vec 511823
nf_get_sign 519563
mkvec3s 524441
gdivsg 531592
addmuliu 535721
FqX_Fp_mul 572207
prec2nbits_mul 581166
vecsmall_ei 584745
ZM_ZV_mod 596631
RgC_fpnorml2 622063
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698439
coltrunc_init 740250
logint 754873
gcmpgs 761911
row 764078
rnf_get_nf 786086
ellff_get_a4a6 800023
zero_F2m_copy 845088
FpXX_renormalize 849896
zeropadic 855435
gmin_shallow 878654
affgr 898866
ZXQ_sqr 961374
cgetc 975459
Flx_lead 979733
polx_F2x 1072919
pr_norm 1089994
sstoQ 1097215
Fp_invsafe 1100588
Flx_mulu 1105382
vecsmall_max 1164720
mkfracss 1209563
RgV_isscalar 1210289
gen_I 1269797
RgX_is_monomial 1331789
mkoo 1332070
bnf_get_sunits 1367806
bnr_get_nf 1368137
rnf_get_absdegree 1392746
zero_Flx 1426807
constant_coeff 1441513
guncloneNULL_deep 1446333
Rg_col_ei 1451542
inf_get_sign 1453141
vecsmall_concat 1464406
nf_get_varn 1503761
bid_get_mod 1521921
F2m_flip 1552756
F2v_flip 1552756
F2x_flip 1552756
F2x_div 1555140
uutoQ 1600198
nf_get_roots 1628455
bnf_get_gen 1680358
vec_ei 1714897
ulogint 1720520
gsubgs 1724811
mkvecsmall5 1734967
nf_get_roundG 1747455
abgrp_get_gen 1765071
ellinf 1869701
modpr_get_p 1888530
get_F2x_degree 1928901
killblock 1932185
Flx_div 1999517
ellnf_get_nf 2027618
ellff_get_field 2036854
bnr_get_bid 2046120
ell_get_j 2126227
bid_get_MOD 2157270
bid_get_sprk 2157996
ZXQ_mul 2162585
zv_copy 2183910
bid_get_fact2 2201593
gc_slice 2204940
pol_xn 2250050
pari_realloc_ip 2268752
bid_get_archp 2397119
bid_get_fact 2498953
get_F2x_mod 2499123
rnf_get_degree 2506335
bnr_get_cyc 2522595
get_F2x_var 2534229
ell_get_b4 2550216
Flv_copy 2555169
mul_content 2654894
RgX_coeff 2669861
vecslicepermute 2691165
hash_str 2756815
cyc_get_expo 2757799
perm_inv 2782893
sqrtnr 2809549
bnr_get_clgp 2830268
zero_Flm 2830535
rnf_get_pol 2845192
znstar_get_pe 2869063
F2x_equal1 2873883
bnf_get_logfu 2874799
gisdouble 2992846
mkpolmod 3105426
Fq_red 3106285
bit_accuracy_mul 3175442
ZV_to_zv 3211415
identity_perm 3242833
F3m_coeff 3256661
identity_zv 3267183
znstar_get_conreygen 3290176
ell_get_b8 3297414
get_FpX_mod 3394607
vec_append 3465821
zero_F2v 3647829
bid_get_U 3680245
bnf_get_cyc 3686635
nf_get_index 3712266
bnr_get_bnf 3751389
pol_1 3756579
pol_x 3858571
ell_get_b6 3863115
mulsubii 3882905
pol1_F2x 3957552
vec_to_vecsmall 4036845
vecsmall_append 4110617
sqrfrac 4148194
vecsmall_copy 4404397
mkcol2s 4416244
F2x_equal 4596176
FpXQX_renormalize 4694204
mkmat 4751199
qfb_disc3 4995385
mkfraccopy 4999239
is_rational_t 5036197
bnf_get_clgp 5375538
nf_get_zkprimpart 5418129
nf_get_zkden 5463909
FpX_div 5583289
checkell_i 5593417
pari_stack_delete 5623906
isintm1 5711159
bid_get_cyc 5739810
bid_get_grp 5804667
col_ei 5926754
pari_stack_init 6087967
get_FpX_degree 6424620
Flm_copy 6435695
sqrti 6666791
get_FpX_var 6957907
RgX_div 7000739
vecsmall_lexcmp 7043259
ell_get_a2 7106183
ZM_lll 7117949
RgX_gtofp 7147559
znstar_get_faN 7331711
ell_get_b2 7371023
ZX_is_monic 7376188
zc_to_ZC 7824411
vecsmall_to_col 7838593
znstar_get_conreycyc 7979693
F2m_coeff 8035195
Q_abs 8065052
mkintmod 8092556
ZV_ZV_mod 8131651
RgM_gtofp 8260042
Flx_equal1 8330914
gc_INT_affii 8499751
ell_get_a4 8536724
Flm_row 8742493
ell_get_a3 8814044
ell_get_a1 8997076
cxtofp 9083772
veclast 9372734
ismpzero 9586174
is_intreal_t 9586287
const_col 9730285
RgM_dimensions 9742377
nf_get_invzk 9769216
bnf_get_nf 9864916
mkvec4 10116132
ser_isexactzero 10120284
ell_get_a6 10370962
mkcol 10641390
ZC_hnfrem 10696202
mul_denom 10713733
ell_get_c4 11017873
Fp_addmul 11412838
vectrunc_init 12061298
pr_get_gen 12068768
abgrp_get_cyc 12231286
F2v_clear 12353602
F2x_clear 12353604
ell_get_type 12499509
nbits2nlong 12721907
pol0_F2x 13186304
ell_get_c6 13474235
gmax_shallow 13510213
modpr_get_T 13867876
closure_get_frame 14176489
zeromatcopy 14251855
rowpermute 14710443
Fp_div 15035161
Fp_divu 15129597
mkvec5 15186857
pr_get_e 16103303
vectrunc_append 16166083
ell_get_disc 16814911
matslice 16822974
pr_is_inert 17147368
normalize_frac 17205788
isint1 17587281
Fp_center_i 18004983
cxcompotor 18219225
qfb_disc 18523709
mkvecsmall4 18525316
const_vecsmall 19711771
vecpermute 20545625
nf_get_M 21307521
Flx_div_pre 21723592
RgM_shallowcopy 22179106
Fp_double 22351130
RgX_is_ZX 22426069
gmulgs 22605306
nf_get_r1 23028161
ZV_isscalar 23235111
Fp_inv 23445574
get_Flx_mod 25612199
pr_get_f 26345137
RgX_equal_var 26883204
shallowcopy 27652922
mkqfb 27928915
zerovec 28455770
modpr_get_pr 31238686
Fp_neg 31480435
hash_str_len 31551752
RgV_is_ZV 32177740
submulii 32844572
mkmat2 33663308
RgC_gtofp 34044962
const_vec 34491867
zero_zv 36729774
polx_Flx 37843712
lincombii 38218754
znstar_get_N 38655073
mkfrac 41644716
zeropol 42358506
powii 43215244
is_vec_t 43961326
closure_is_variadic 44832518
absfrac 46647182
guncloneNULL 48164230
pr_get_tau 49567476
mkmat22 50281318
ell_is_inf 53082351
QV_isscalar 54417089
pol1_Flx 55101625
F2x_copy 59644557
zero_Flv 59644752
addmuliu_inplace 59685452
submuliu_inplace 60176727
gtodouble 60799564
is_real_t 62063261
qfb_is_qfi 63386802
Fp_sqr 65211055
Fp_mulu 67978419
get_Flx_var 68425677
mkvec 71127700
nf_get_degree 71369246
Fp_center 77214590
vecsmallpermute 78745296
rowslice 79350063
sqrtr 80386678
perm_mul 80940812
Fp_red 82109184
get_Flx_degree 82377793
pol_0 83001884
gtos 85855915
is_noncalc_t 85878134
cxnorm 91213838
mkcomplex 91632466
pr_get_p 92480611
dbllog2r 92836138
nf_get_pol 98082826
F2v_set 101401058
vecsmalltrunc_append 101806028
cgiv 102267854
RgX_copy 103409612
pol0_Flx 103475252
prec2nbits 103972164
mkvecsmall3 104699082
vecsmall_prefixcmp 108088071
gc_all 110429992
F2x_renormalize 114220558
mkvec3 117985701
zerocol 122360104
gaddgs 123248610
both_odd 123956881
F2x_set 124503423
nchar2nlong 127438575
mkvecsmall 131655893
equalim1 139505944
bit_prec 142852213
FpX_renormalize 144478739
ZX_renormalize 155034981
mkcol2 156867021
nbrows 157513198
leading_coeff 170500971
Flx_copy 173889753
Fp_add 181787876
mkvec2 185655429
nbits2prec 186166125
vecsmalltrunc_init 191629413
Fp_mul 201104301
Fp_sub 204160669
mkvecsmall2 234716658
gtofp 254410268
gc_GEN 256666483
gmulgu 282059385
lg_increase 319913236
closure_get_data 321248317
closure_get_oper 321267045
closure_codestr 321283857
is_universal_constant 325748282
lgcols 350872349
closure_arity 371172322
is_scalar_t 375698766
bin_copy 498675190
pari_free 512077008
is_bigint 563029916
leafcopy_avma 577988505
vecslice 656284783
is_matvec_t 659275050
F2v_coeff 661306484
F2x_coeff 667875421
pari_malloc 747969085
pari_stack_new 924812205
GENbinbase 966920446
pari_stack_alloc 1019529499
pari_stack_base 1025112845
gc_leaf 1137291896
equali1 1176768474
nbits2extraprec 1457133342
gc_upto 1952496965
odd 2094101393
is_pm1 2203595888
lgpol 2687089198
isintzero 2843154378
bit_accuracy 3163219818
gc_INT 4112122763
prec2lg 4468739782
is_const_t 4893650159
degpol 5511050586
remsBIL 8007215961
icopy_avma 8046719740
divsBIL 8098211070
isonstack 8272505406
is_recursive_t 9244161018

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