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 30532-0c728fd268) Lines: 1419 1532 92.6 %
Date: 2025-10-22 09:22:36 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
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 3885
gchar_get_evalprec 4011
gchar_get_modP 4095
FqX_normalize 4123
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
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
identity_ZV 8113
gchar_get_mod 8225
locs_get_mod 8225
FqX_gcd 8246
ndec2nbits 8270
bnf_get_no 8372
prec2ndec 9778
cgetalloc 10166
gchar_get_Ui 10983
vec_shorten 11557
vectrunc_append_batch 12306
ZX_equal1 12711
R_abs_shallow 13097
gchar_get_nfprec 13468
closure_get_dbg 13621
zx_renormalize 14049
pari_err_TYPE 15398
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 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 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 33237
mkcolcopy 33505
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 37875
FqX_div 38547
FqX_deriv 40061
mkcols 40411
bid_get_arch 41187
ndec2nlong 41507
znstar_get_Ui 46788
pari_calloc 47671
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50519
get_FpXQX_var 51630
locs_get_cyc 52136
div_content 58476
RgX_fpnorml2 61608
err_get_num 62529
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 72842
Fq_to_FpXQ 73792
vecsmall_shorten 74573
bnr_get_mod 77119
gal_get_group 80394
mkcol3 88314
gtou 98316
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108847
zeromat 109136
RgV_isin 110130
RgV_isin_i 110130
mkvec2copy 114571
Q_abs_shallow 120253
mkmatcopy 122228
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138524
zeroser 138824
RgV_is_QV 140759
FqX_factor 141051
get_FpXQX_mod 146583
FlxqX_div_pre 165415
znstar_get_U 176107
rowslicepermute 184955
vecsmall_prepend 186991
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200500
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220419
mkcol6 232589
ellR_get_prec 232750
zero_Flm_copy 235915
gchar_get_nf 243932
Fp_halve 247348
affc_fixlg 249595
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277494
gchar_get_zm 281911
bnf_get_tuN 283002
bnf_get_fu_nocheck 289072
bnf_get_tuU 303579
nf_get_G 303636
vec_prepend 314000
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 333154
cxtoreal 337175
upr_norm 346134
RgX_renormalize 349807
abgrp_get_no 355187
ZM_hnfrem 363875
FqX_mul 367815
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384906
RgX_is_QX 400132
perm_conj 418299
FqX_Fq_mul 427291
FqX_extgcd 445048
Z_issquare 458925
nf_get_disc 463856
precdbl 475504
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
zv_to_ZV 503010
vecsmall_to_vec 511585
nf_get_sign 519553
mkvec3s 524441
gdivsg 531336
addmuliu 541127
FqX_Fp_mul 572132
prec2nbits_mul 581136
vecsmall_ei 584738
ZM_ZV_mod 596587
RgC_fpnorml2 622071
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698152
coltrunc_init 740250
logint 755032
gcmpgs 761919
row 764011
rnf_get_nf 786030
ellff_get_a4a6 800029
zero_F2m_copy 845111
FpXX_renormalize 849896
zeropadic 855526
gmin_shallow 878326
affgr 898817
ZXQ_sqr 961072
cgetc 975620
Flx_lead 980556
polx_F2x 1078779
pr_norm 1088583
sstoQ 1097215
Fp_invsafe 1100356
Flx_mulu 1105194
vecsmall_max 1164669
mkfracss 1209563
RgV_isscalar 1210305
gen_I 1269833
RgX_is_monomial 1331284
mkoo 1332055
bnf_get_sunits 1367781
bnr_get_nf 1368116
guncloneNULL_deep 1388057
rnf_get_absdegree 1392746
zero_Flx 1426831
constant_coeff 1441509
Rg_col_ei 1451334
inf_get_sign 1453161
vecsmall_concat 1464440
nf_get_varn 1503589
bid_get_mod 1521922
F2m_flip 1554052
F2v_flip 1554052
F2x_flip 1554052
F2x_div 1570910
uutoQ 1600142
nf_get_roots 1627886
bnf_get_gen 1680322
vec_ei 1714590
ulogint 1719351
gsubgs 1724184
mkvecsmall5 1730653
nf_get_roundG 1746667
abgrp_get_gen 1765034
ellinf 1868517
modpr_get_p 1888432
killblock 1901699
get_F2x_degree 1929074
Flx_div 1998978
ellnf_get_nf 2027603
ellff_get_field 2036870
bnr_get_bid 2045857
ell_get_j 2126227
bid_get_MOD 2157266
bid_get_sprk 2157992
ZXQ_mul 2162043
pari_realloc_ip 2180032
zv_copy 2184183
bid_get_fact2 2201585
gc_slice 2204773
pol_xn 2249942
bid_get_archp 2397066
bid_get_fact 2498912
get_F2x_mod 2499204
rnf_get_degree 2506307
bnr_get_cyc 2522337
get_F2x_var 2534241
ell_get_b4 2549033
Flv_copy 2555443
mul_content 2654156
RgX_coeff 2669371
vecslicepermute 2690324
hash_str 2754915
cyc_get_expo 2757759
perm_inv 2782871
sqrtnr 2807653
bnr_get_clgp 2830008
zero_Flm 2830293
rnf_get_pol 2845157
znstar_get_pe 2868790
F2x_equal1 2874023
bnf_get_logfu 2874710
gisdouble 2988056
mkpolmod 3105021
Fq_red 3106316
bit_accuracy_mul 3175454
ZV_to_zv 3211412
identity_perm 3242673
F3m_coeff 3256661
identity_zv 3267023
znstar_get_conreygen 3289889
ell_get_b8 3297414
get_FpX_mod 3394340
vec_append 3465579
zero_F2v 3648093
bid_get_U 3680242
bnf_get_cyc 3686068
nf_get_index 3711301
bnr_get_bnf 3750902
pol_1 3756363
pol_x 3856888
ell_get_b6 3861932
mulsubii 3881432
pol1_F2x 3958234
vec_to_vecsmall 4036816
vecsmall_append 4111386
sqrfrac 4147751
vecsmall_copy 4404270
mkcol2s 4416244
F2x_equal 4661191
FpXQX_renormalize 4693359
mkmat 4750827
qfb_disc3 4991220
mkfraccopy 4999078
is_rational_t 5035218
bnf_get_clgp 5374936
pari_stack_delete 5398153
nf_get_zkprimpart 5416273
nf_get_zkden 5462195
FpX_div 5581059
checkell_i 5593282
isintm1 5704181
bid_get_cyc 5739524
bid_get_grp 5804375
pari_stack_init 5835371
col_ei 5925772
get_FpX_degree 6424509
Flm_copy 6433513
sqrti 6665695
get_FpX_var 6957845
RgX_div 7000740
vecsmall_lexcmp 7043259
ell_get_a2 7105474
ZM_lll 7112760
RgX_gtofp 7147590
znstar_get_faN 7330731
ell_get_b2 7369842
ZX_is_monic 7375990
zc_to_ZC 7823807
vecsmall_to_col 7837989
znstar_get_conreycyc 7978902
F2m_coeff 8038974
Q_abs 8062680
mkintmod 8092514
ZV_ZV_mod 8131254
RgM_gtofp 8252671
Flx_equal1 8327243
gc_INT_affii 8488734
ell_get_a4 8536015
Flm_row 8742638
ell_get_a3 8813337
ell_get_a1 8996369
cxtofp 9083123
veclast 9372669
ismpzero 9583715
is_intreal_t 9583824
const_col 9729880
RgM_dimensions 9742170
nf_get_invzk 9765259
bnf_get_nf 9863710
ser_isexactzero 10079479
mkvec4 10105946
ell_get_a6 10370253
mkcol 10641000
ZC_hnfrem 10690798
mul_denom 10710146
ell_get_c4 10728634
Fp_addmul 11359850
pr_get_gen 12062198
vectrunc_init 12066456
abgrp_get_cyc 12230178
F2v_clear 12355411
F2x_clear 12355417
ell_get_type 12499308
nbits2nlong 12649941
ell_get_c6 12892000
pol0_F2x 13247583
gmax_shallow 13510220
modpr_get_T 13867536
closure_get_frame 14147670
zeromatcopy 14240954
rowpermute 14709767
Fp_div 15034885
Fp_divu 15134673
mkvec5 15184848
pr_get_e 15953025
vectrunc_append 16162869
ell_get_disc 16525530
matslice 16818689
pr_is_inert 16910296
normalize_frac 17204665
isint1 17571828
mkvecsmall4 17834194
Fp_center_i 18059533
cxcompotor 18217708
qfb_disc 18514499
const_vecsmall 19663736
vecpermute 20531997
nf_get_M 21172526
Flx_div_pre 21705376
RgM_shallowcopy 22170036
Fp_double 22280344
RgX_is_ZX 22421801
gmulgs 22506354
nf_get_r1 22893074
ZV_isscalar 23098652
Fp_inv 23437838
get_Flx_mod 25598318
pr_get_f 26041162
RgX_equal_var 26880629
shallowcopy 27639814
mkqfb 27920570
zerovec 28455435
Fp_neg 30906775
modpr_get_pr 31237962
hash_str_len 31542872
RgV_is_ZV 32164057
submulii 32847018
mkmat2 33658885
RgC_gtofp 34012578
const_vec 34471479
zero_zv 36738894
polx_Flx 37824343
lincombii 38203940
znstar_get_N 38653757
closure_is_variadic 40153092
mkfrac 41638521
zeropol 42358568
powii 43176867
is_vec_t 43965078
absfrac 46637891
guncloneNULL 48156355
pr_get_tau 48871995
mkmat22 50283541
ell_is_inf 52499291
QV_isscalar 54401854
pol1_Flx 55057011
zero_Flv 59499447
addmuliu_inplace 59693215
submuliu_inplace 60182842
F2x_copy 60425750
gtodouble 60760639
is_real_t 62659216
qfb_is_qfi 62942060
Fp_sqr 64510831
get_Flx_var 68356025
Fp_mulu 68478090
mkvec 71123005
nf_get_degree 71351504
Fp_center 77226787
vecsmallpermute 78733577
rowslice 79346497
sqrtr 80367992
perm_mul 80929002
Fp_red 82095832
get_Flx_degree 82900947
pol_0 82998353
gtos 85833273
is_noncalc_t 85862460
cxnorm 90943530
mkcomplex 91627702
pr_get_p 91709104
dbllog2r 94007464
nf_get_pol 98057519
F2v_set 101404102
vecsmalltrunc_append 101475654
cgiv 102122482
RgX_copy 103404679
pol0_Flx 103513187
mkvecsmall3 104049156
prec2nbits 105717484
vecsmall_prefixcmp 108088071
gc_all 109993539
F2x_renormalize 115247516
mkvec3 119768213
zerocol 122288677
gaddgs 123245786
both_odd 124030031
F2x_set 124769113
nchar2nlong 127391089
mkvecsmall 131676870
equalim1 139504451
bit_prec 143014430
FpX_renormalize 144584579
ZX_renormalize 155030788
mkcol2 156923785
nbrows 157471836
leading_coeff 170555946
Flx_copy 173789743
Fp_add 181517281
mkvec2 185251703
nbits2prec 187643872
vecsmalltrunc_init 190643032
Fp_mul 201065446
Fp_sub 203456339
mkvecsmall2 233634272
gtofp 254213793
gc_GEN 256190960
gmulgu 282058132
lg_increase 317516756
closure_get_data 321381405
closure_get_oper 321417074
closure_codestr 321448132
is_universal_constant 325813605
lgcols 350254039
closure_arity 371269628
is_scalar_t 375643233
bin_copy 497277377
pari_free 510597886
is_bigint 562564061
leafcopy_avma 577426711
vecslice 656134256
is_matvec_t 659972758
F2v_coeff 661327640
F2x_coeff 667944248
pari_malloc 746529660
pari_stack_new 924840545
GENbinbase 964252881
pari_stack_alloc 1019443446
pari_stack_base 1024821878
gc_leaf 1135527119
equali1 1175161889
nbits2extraprec 1498663592
gc_upto 1949608822
odd 2084774224
is_pm1 2202564005
lgpol 2688008757
isintzero 2839102727
bit_accuracy 3163421725
gc_INT 4103881569
prec2lg 4515056590
is_const_t 4889924999
degpol 5510815725
icopy_avma 8035483323
remsBIL 8081354391
divsBIL 8170967072
isonstack 8258722008
is_recursive_t 9245146686

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