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 30499-74bdd0ac5b) Lines: 1420 1532 92.7 %
Date: 2025-09-16 09:24:07 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
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 2324
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 17023
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 22084
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 29931
gal_get_roots 32753
gchar_get_basis 32816
F2xqX_div 33173
ndec2prec 33195
mkcolcopy 33509
Qtoss 35322
gal_get_pol 36337
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37051
gchar_get_nc 37261
F2v_to_F2x 37677
FqX_rem 37743
FqX_div 38547
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41465
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 58477
RgX_fpnorml2 61607
err_get_num 62530
bid_get_gen 64274
nf_get_ramified_primes 64812
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 74576
bnr_get_mod 77118
gal_get_group 80394
mkcol3 88314
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
gtou 104232
mkmoo 108851
zeromat 109150
RgV_isin 110130
RgV_isin_i 110130
mkvec2copy 114573
Q_abs_shallow 120247
mkmatcopy 122225
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138527
zeroser 138824
RgV_is_QV 140761
FqX_factor 141050
get_FpXQX_mod 146583
FlxqX_div_pre 165413
znstar_get_U 176107
rowslicepermute 184786
vecsmall_prepend 186991
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200482
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 235917
gchar_get_nf 243932
Fp_halve 247348
affc_fixlg 249591
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277496
gchar_get_zm 281911
bnf_get_tuN 282995
bnf_get_fu_nocheck 289082
bnf_get_tuU 303577
nf_get_G 303598
vec_prepend 313998
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 332025
cxtoreal 337176
upr_norm 346135
RgX_renormalize 349807
abgrp_get_no 355189
ZM_hnfrem 363869
FqX_mul 367816
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384888
RgX_is_QX 400111
perm_conj 418299
FqX_Fq_mul 427289
FqX_extgcd 445049
Z_issquare 458924
nf_get_disc 463862
precdbl 475479
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
zv_to_ZV 502996
vecsmall_to_vec 511571
nf_get_sign 519552
mkvec3s 524441
gdivsg 531333
addmuliu 541038
FqX_Fp_mul 572116
prec2nbits_mul 581138
vecsmall_ei 584723
ZM_ZV_mod 596617
RgC_fpnorml2 622073
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698152
coltrunc_init 740250
logint 755039
gcmpgs 761925
row 764005
rnf_get_nf 786030
ellff_get_a4a6 800023
zero_F2m_copy 845068
FpXX_renormalize 849896
zeropadic 855575
gmin_shallow 876318
affgr 898768
ZXQ_sqr 960985
cgetc 975621
Flx_lead 980444
polx_F2x 1074087
pr_norm 1088577
sstoQ 1097215
Fp_invsafe 1100361
Flx_mulu 1105213
vecsmall_max 1164628
mkfracss 1209563
RgV_isscalar 1210303
gen_I 1269750
RgX_is_monomial 1331265
mkoo 1332030
bnf_get_sunits 1367780
bnr_get_nf 1368121
guncloneNULL_deep 1390095
rnf_get_absdegree 1392746
zero_Flx 1427091
constant_coeff 1441495
Rg_col_ei 1451254
inf_get_sign 1453142
vecsmall_concat 1464411
nf_get_varn 1503583
bid_get_mod 1521922
F2m_flip 1553602
F2v_flip 1553602
F2x_flip 1553602
F2x_div 1558577
uutoQ 1600142
nf_get_roots 1627864
bnf_get_gen 1680318
vec_ei 1714567
ulogint 1722279
gsubgs 1727498
mkvecsmall5 1730584
nf_get_roundG 1746624
abgrp_get_gen 1765032
ellinf 1868506
modpr_get_p 1888431
killblock 1903549
get_F2x_degree 1928906
Flx_div 1999035
ellnf_get_nf 2027593
ellff_get_field 2036844
bnr_get_bid 2045874
ell_get_j 2126227
bid_get_MOD 2157265
bid_get_sprk 2157988
ZXQ_mul 2161958
pari_realloc_ip 2179947
zv_copy 2184098
bid_get_fact2 2201585
gc_slice 2204986
pol_xn 2249909
bid_get_archp 2397123
bid_get_fact 2498950
get_F2x_mod 2499259
rnf_get_degree 2506307
bnr_get_cyc 2522347
get_F2x_var 2533981
ell_get_b4 2549033
Flv_copy 2555362
mul_content 2654221
RgX_coeff 2669140
vecslicepermute 2689912
hash_str 2753015
cyc_get_expo 2757794
perm_inv 2782880
sqrtnr 2807267
bnr_get_clgp 2830028
zero_Flm 2830386
rnf_get_pol 2845157
znstar_get_pe 2868790
F2x_equal1 2874250
bnf_get_logfu 2874734
gisdouble 2988091
mkpolmod 3105019
Fq_red 3106271
bit_accuracy_mul 3175436
ZV_to_zv 3211413
identity_perm 3242772
F3m_coeff 3256662
identity_zv 3267122
znstar_get_conreygen 3289889
ell_get_b8 3297414
get_FpX_mod 3394330
vec_append 3465577
zero_F2v 3647842
bid_get_U 3680243
bnf_get_cyc 3686075
nf_get_index 3711291
bnr_get_bnf 3750909
pol_1 3756267
pol_x 3856831
ell_get_b6 3861932
mulsubii 3881168
pol1_F2x 3956758
vec_to_vecsmall 4036839
vecsmall_append 4111377
sqrfrac 4148111
vecsmall_copy 4404103
mkcol2s 4416244
F2x_equal 4607122
FpXQX_renormalize 4693393
mkmat 4750805
qfb_disc3 4991081
mkfraccopy 4999039
is_rational_t 5035159
bnf_get_clgp 5374939
pari_stack_delete 5409541
nf_get_zkprimpart 5416391
nf_get_zkden 5462155
FpX_div 5580925
checkell_i 5593323
isintm1 5703982
bid_get_cyc 5739589
bid_get_grp 5804442
pari_stack_init 5834857
col_ei 5925855
get_FpX_degree 6424443
Flm_copy 6433565
sqrti 6665680
get_FpX_var 6957862
RgX_div 7000740
vecsmall_lexcmp 7043121
ell_get_a2 7105464
ZM_lll 7112695
RgX_gtofp 7147289
znstar_get_faN 7330731
ell_get_b2 7369847
ZX_is_monic 7375972
zc_to_ZC 7823565
vecsmall_to_col 7837746
znstar_get_conreycyc 7978902
F2m_coeff 8036874
Q_abs 8062568
mkintmod 8092599
ZV_ZV_mod 8131382
RgM_gtofp 8252700
Flx_equal1 8327425
gc_INT_affii 8489035
ell_get_a4 8536005
Flm_row 8742268
ell_get_a3 8813332
ell_get_a1 8996364
cxtofp 9082042
veclast 9372657
ismpzero 9583841
is_intreal_t 9583958
const_col 9729883
RgM_dimensions 9742133
nf_get_invzk 9765492
bnf_get_nf 9863754
ser_isexactzero 10079479
mkvec4 10105847
ell_get_a6 10370243
mkcol 10640979
ZC_hnfrem 10690826
mul_denom 10709762
ell_get_c4 10728665
Fp_addmul 11388370
pr_get_gen 12062273
vectrunc_init 12065285
abgrp_get_cyc 12230282
F2x_clear 12354522
F2v_clear 12354536
ell_get_type 12499383
nbits2nlong 12644267
ell_get_c6 12892052
pol0_F2x 13194744
gmax_shallow 13510221
modpr_get_T 13867581
closure_get_frame 14147235
zeromatcopy 14240812
rowpermute 14709746
Fp_div 15034864
Fp_divu 15134576
mkvec5 15184815
pr_get_e 15952642
vectrunc_append 16159626
ell_get_disc 16525535
matslice 16818300
pr_is_inert 16910408
normalize_frac 17204554
isint1 17571666
mkvecsmall4 17823027
Fp_center_i 18056583
cxcompotor 18215729
qfb_disc 18514485
const_vecsmall 19663627
vecpermute 20530640
nf_get_M 21172000
Flx_div_pre 21701668
RgM_shallowcopy 22169590
Fp_double 22249873
RgX_is_ZX 22421994
gmulgs 22517153
nf_get_r1 22892486
ZV_isscalar 23098181
Fp_inv 23437669
get_Flx_mod 25602479
pr_get_f 26041117
RgX_equal_var 26880635
shallowcopy 27640311
mkqfb 27920253
zerovec 28455356
Fp_neg 30902752
modpr_get_pr 31237979
hash_str_len 31542634
RgV_is_ZV 32164044
submulii 32847018
mkmat2 33658769
RgC_gtofp 34013969
const_vec 34472538
zero_zv 36723154
polx_Flx 37823964
lincombii 38193459
znstar_get_N 38653757
closure_is_variadic 40152295
mkfrac 41640190
zeropol 42358600
powii 43176811
is_vec_t 43957842
absfrac 46637801
guncloneNULL 48159647
pr_get_tau 48872364
mkmat22 50283699
ell_is_inf 52511562
QV_isscalar 54401464
pol1_Flx 55062044
zero_Flv 59480878
F2x_copy 59662914
addmuliu_inplace 59703468
submuliu_inplace 60195314
gtodouble 60769472
is_real_t 62657948
qfb_is_qfi 62954672
Fp_sqr 64605092
get_Flx_var 68364929
Fp_mulu 69999656
mkvec 71132275
nf_get_degree 71350965
Fp_center 77226374
vecsmallpermute 78737884
rowslice 79351396
sqrtr 80370833
perm_mul 80933323
Fp_red 82094563
pol_0 82998077
get_Flx_degree 83637527
gtos 85833215
is_noncalc_t 85862335
cxnorm 90943963
mkcomplex 91624363
pr_get_p 91709244
dbllog2r 94007175
nf_get_pol 98057646
F2v_set 101402380
vecsmalltrunc_append 101552877
cgiv 102113665
RgX_copy 103404373
pol0_Flx 103451409
mkvecsmall3 104048769
prec2nbits 105721389
vecsmall_prefixcmp 108088071
gc_all 109991959
F2x_renormalize 114209740
mkvec3 121962604
zerocol 122291049
gaddgs 123249087
both_odd 123866369
F2x_set 124489251
nchar2nlong 127392299
mkvecsmall 131615304
equalim1 139503998
bit_prec 143020673
FpX_renormalize 144581170
ZX_renormalize 155002187
mkcol2 156920723
nbrows 157475056
leading_coeff 170553924
Flx_copy 173778428
Fp_add 181591529
mkvec2 185514444
nbits2prec 187643487
vecsmalltrunc_init 191112558
Fp_mul 201110947
Fp_sub 203543964
mkvecsmall2 233597493
gtofp 254246985
gc_GEN 256180245
gmulgu 282058132
lg_increase 318966206
closure_get_data 320663386
closure_get_oper 320688067
closure_codestr 320709099
is_universal_constant 325732111
lgcols 350248164
closure_arity 370556292
is_scalar_t 375643726
bin_copy 497275826
pari_free 510600616
is_bigint 562582158
leafcopy_avma 577154399
vecslice 656331945
is_matvec_t 659257478
F2v_coeff 661316361
F2x_coeff 667834190
pari_malloc 746529488
pari_stack_new 924043612
GENbinbase 964242847
pari_stack_alloc 1018657776
pari_stack_base 1024052392
gc_leaf 1137996922
equali1 1175149853
nbits2extraprec 1499260617
gc_upto 1949587911
odd 2084025395
is_pm1 2203418301
lgpol 2685798117
isintzero 2838908908
bit_accuracy 3159120880
gc_INT 4104764417
prec2lg 4513734936
is_const_t 4890506983
degpol 5518025511
icopy_avma 8035711981
remsBIL 8081115498
divsBIL 8171040621
isonstack 8260497540
is_recursive_t 9245089722

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