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 30584-b9873745ba) Lines: 1420 1535 92.5 %
Date: 2025-12-21 09:21:02 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
mkvec6s 301
ellQp_get_prec 308
mkcol3s 315
gchar_get_nfree 322
gchar_get_ntors 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 3052
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 4445
F2v_copy 4487
FpXQX_div 4526
rnf_get_zk 4830
rnf_get_nfvarn 4886
idealchineseinit 5427
pari_stack_pushp 5851
gal_get_p 6006
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 7700
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 8365
vectrunc_append_batch 9667
prec2ndec 9778
cgetalloc 10166
gchar_get_Ui 10983
vec_shorten 11557
ZX_equal1 12850
R_abs_shallow 13097
gchar_get_nfprec 13468
closure_get_dbg 13621
zx_renormalize 14049
pari_err_TYPE 15370
gal_get_gen 15435
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 18960
FqX_halve 19411
pari_err_INV 20018
FpXY_Fq_evaly 20587
rnf_get_nfdegree 21455
FqX_mulu 21942
nf_get_Tr 22082
gtomp 22428
RgM_fpnorml2 22661
FqXQ_mul 22766
ZV_dvd 23485
gal_get_mod 23758
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25859
nfV_to_scalar_or_alg 26300
gal_get_den 27867
gal_get_invvdm 27874
absfrac_shallow 28237
gequalgs 29176
zerovec_block 29619
gener_Fq_local 29946
gal_get_roots 32732
gchar_get_basis 32816
F2xqX_div 33173
ndec2prec 33279
mkcolcopy 33532
Qtoss 35322
gal_get_pol 36316
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37051
gchar_get_nc 37261
FqX_rem 37743
F2v_to_F2x 37755
FqX_div 38565
FqX_deriv 40061
mkcols 40411
bid_get_arch 41187
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 58518
RgX_fpnorml2 61495
err_get_num 62523
bid_get_gen 64274
nf_get_ramified_primes 64643
RgX_is_rational 68165
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 75544
bnr_get_mod 77119
gal_get_group 80387
mkcol3 88314
gtou 99448
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108788
zeromat 109080
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114506
Q_abs_shallow 120231
mkmatcopy 122256
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138665
zeroser 138908
RgV_is_QV 140730
FqX_factor 140946
get_FpXQX_mod 146583
FlxqX_div_pre 165410
znstar_get_U 176107
rowslicepermute 184699
vecsmall_prepend 186970
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200475
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220243
mkcol6 232470
ellR_get_prec 232750
zero_Flm_copy 238024
gchar_get_nf 243946
Fp_halve 247138
affc_fixlg 249622
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277488
gchar_get_zm 281911
bnf_get_tuN 282996
bnf_get_fu_nocheck 289086
bnf_get_tuU 303572
nf_get_G 303812
vec_prepend 313988
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 333922
cxtoreal 337201
upr_norm 346135
RgX_renormalize 349807
abgrp_get_no 354929
ZM_hnfrem 363768
FqX_mul 367700
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384921
RgX_is_QX 399934
perm_conj 418299
FqX_Fq_mul 427306
FqX_extgcd 444666
Z_issquare 458664
nf_get_disc 463495
precdbl 475373
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
zv_to_ZV 502982
vecsmall_to_vec 511781
nf_get_sign 519552
mkvec3s 524441
gdivsg 531591
addmuliu 535745
FqX_Fp_mul 571440
prec2nbits_mul 581167
vecsmall_ei 584699
ZM_ZV_mod 596448
RgC_fpnorml2 619833
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698439
coltrunc_init 740250
logint 754827
gcmpgs 761926
row 763882
rnf_get_nf 786086
ellff_get_a4a6 800023
zero_F2m_copy 845040
FpXX_renormalize 849896
zeropadic 855447
gmin_shallow 877691
affgr 898866
ZXQ_sqr 960491
cgetc 975455
Flx_lead 980303
polx_F2x 1078161
pr_norm 1089811
sstoQ 1097215
Fp_invsafe 1100357
Flx_mulu 1105412
vecsmall_max 1164424
mkfracss 1209563
RgV_isscalar 1210277
gen_I 1269717
RgX_is_monomial 1331780
mkoo 1331863
bnf_get_sunits 1367775
bnr_get_nf 1368097
rnf_get_absdegree 1392746
zero_Flx 1426678
guncloneNULL_deep 1435271
constant_coeff 1441269
Rg_col_ei 1451067
inf_get_sign 1452911
vecsmall_concat 1464237
nf_get_varn 1503727
bid_get_mod 1521922
F2m_flip 1554050
F2v_flip 1554050
F2x_flip 1554050
F2x_div 1569827
uutoQ 1600198
nf_get_roots 1627879
bnf_get_gen 1680312
vec_ei 1713856
mkvecsmall5 1717746
gsubgs 1724820
ulogint 1727620
nf_get_roundG 1747349
abgrp_get_gen 1765021
ellinf 1869311
modpr_get_p 1888404
killblock 1920356
get_F2x_degree 1928975
Flx_div 1997941
ellnf_get_nf 2027621
ellff_get_field 2036850
bnr_get_bid 2046087
ell_get_j 2126227
bid_get_MOD 2157249
bid_get_sprk 2157973
ZXQ_mul 2161322
zv_copy 2183684
bid_get_fact2 2201571
gc_slice 2204041
pol_xn 2249696
pari_realloc_ip 2256118
bid_get_archp 2397108
bid_get_fact 2498932
get_F2x_mod 2499219
rnf_get_degree 2506335
bnr_get_cyc 2522566
get_F2x_var 2533888
ell_get_b4 2550216
Flv_copy 2554921
mul_content 2654273
RgX_coeff 2669861
vecslicepermute 2689539
hash_str 2756815
cyc_get_expo 2757741
perm_inv 2781878
sqrtnr 2809108
zero_Flm 2829341
bnr_get_clgp 2830224
rnf_get_pol 2845192
znstar_get_pe 2869063
F2x_equal1 2874126
bnf_get_logfu 2874759
gisdouble 2991980
mkpolmod 3104033
Fq_red 3106165
bit_accuracy_mul 3175472
ZV_to_zv 3211407
identity_perm 3241243
F3m_coeff 3255921
identity_zv 3265592
znstar_get_conreygen 3290176
ell_get_b8 3297414
get_FpX_mod 3394358
vec_append 3465010
zero_F2v 3647670
bid_get_U 3680227
bnf_get_cyc 3686563
nf_get_index 3711579
bnr_get_bnf 3751369
pol_1 3755743
pol_x 3857518
ell_get_b6 3863115
mulsubii 3880946
pol1_F2x 3957026
vec_to_vecsmall 4036595
vecsmall_append 4098928
sqrfrac 4148186
vecsmall_copy 4403857
mkcol2s 4416244
F2x_equal 4659341
FpXQX_renormalize 4694252
mkmat 4751097
qfb_disc3 4994803
mkfraccopy 4999377
is_rational_t 5032358
bnf_get_clgp 5375411
nf_get_zkprimpart 5417808
nf_get_zkden 5463527
FpX_div 5581277
pari_stack_delete 5581494
checkell_i 5593426
isintm1 5710164
bid_get_cyc 5739801
bid_get_grp 5804652
col_ei 5925183
pari_stack_init 6050919
get_FpX_degree 6424515
Flm_copy 6433617
sqrti 6664730
get_FpX_var 6957847
RgX_div 7000740
vecsmall_lexcmp 7043251
ell_get_a2 7106180
ZM_lll 7116493
RgX_gtofp 7144827
znstar_get_faN 7331711
ell_get_b2 7371024
ZX_is_monic 7374366
zc_to_ZC 7824120
vecsmall_to_col 7838299
znstar_get_conreycyc 7979693
F2m_coeff 8038299
Q_abs 8062625
mkintmod 8092624
ZV_ZV_mod 8131420
RgM_gtofp 8257757
Flx_equal1 8330158
gc_INT_affii 8490619
ell_get_a4 8536720
Flm_row 8741196
ell_get_a3 8814042
ell_get_a1 8997074
cxtofp 9079302
veclast 9372706
ismpzero 9585650
is_intreal_t 9585755
const_col 9729643
RgM_dimensions 9741538
nf_get_invzk 9767700
bnf_get_nf 9864723
mkvec4 10092899
ser_isexactzero 10120284
ell_get_a6 10370959
mkcol 10639973
ZC_hnfrem 10695940
mul_denom 10711106
ell_get_c4 11018140
Fp_addmul 11246108
vectrunc_init 11767381
pr_get_gen 12067644
abgrp_get_cyc 12231185
F2x_clear 12353689
F2v_clear 12353690
ell_get_type 12499483
nbits2nlong 12750296
pol0_F2x 13240129
ell_get_c6 13474543
gmax_shallow 13510199
modpr_get_T 13867668
closure_get_frame 14158625
zeromatcopy 14248309
rowpermute 14705446
Fp_div 15035267
Fp_divu 15129720
mkvec5 15185875
vectrunc_append 15849382
pr_get_e 16101907
ell_get_disc 16815348
matslice 16818127
pr_is_inert 17146428
normalize_frac 17204728
isint1 17585124
Fp_center_i 18016034
cxcompotor 18210290
qfb_disc 18501208
mkvecsmall4 18663456
const_vecsmall 19700839
vecpermute 20542511
Fp_double 20888125
nf_get_M 21306653
Flx_div_pre 21685239
RgM_shallowcopy 22174220
RgX_is_ZX 22423576
gmulgs 22579045
nf_get_r1 23027121
ZV_isscalar 23233640
Fp_inv 23439138
get_Flx_mod 25593701
pr_get_f 26342593
RgX_equal_var 26883176
shallowcopy 27625258
mkqfb 27927734
zerovec 28453418
modpr_get_pr 31238300
Fp_neg 31478964
hash_str_len 31545554
RgV_is_ZV 32156428
submulii 32838964
mkmat2 33651746
RgC_gtofp 34030267
const_vec 34472326
zero_zv 36730675
polx_Flx 37482415
lincombii 38201617
znstar_get_N 38655073
mkfrac 41640860
zeropol 42358336
powii 43119928
is_vec_t 43937007
closure_is_variadic 44789634
absfrac 46638429
guncloneNULL 47931521
pr_get_tau 49564917
mkmat22 50252636
ell_is_inf 52358314
QV_isscalar 54415362
pol1_Flx 55051564
addmuliu_inplace 59647744
zero_Flv 59651551
submuliu_inplace 60142613
F2x_copy 60441593
gtodouble 60779366
is_real_t 62062467
qfb_is_qfi 62262579
Fp_sqr 63781873
Fp_mulu 67481647
get_Flx_var 68348023
mkvec 71104424
nf_get_degree 71365505
Fp_center 77194347
vecsmallpermute 78698845
rowslice 79319208
sqrtr 80369343
perm_mul 80894258
Fp_red 82191040
get_Flx_degree 82230995
pol_0 83000968
gtos 85855590
is_noncalc_t 85874965
cxnorm 91199150
mkcomplex 91606415
pr_get_p 92476593
dbllog2r 92816910
nf_get_pol 98075948
vecsmalltrunc_append 100788386
F2v_set 101403174
cgiv 102261301
RgX_copy 103406925
pol0_Flx 103461645
prec2nbits 103961707
mkvecsmall3 104176411
vecsmall_prefixcmp 108088071
gc_all 109576582
F2x_renormalize 115219065
mkvec3 117703219
zerocol 122323456
gaddgs 123248599
both_odd 123977372
F2x_set 124730608
nchar2nlong 127385043
mkvecsmall 131614600
equalim1 139505230
bit_prec 142806232
FpX_renormalize 144207885
ZX_renormalize 154968477
mkcol2 156799343
nbrows 157440258
leading_coeff 170262124
Flx_copy 173150859
Fp_add 181060779
mkvec2 186084420
nbits2prec 186127931
vecsmalltrunc_init 191435220
Fp_mul 200735852
Fp_sub 203177418
mkvecsmall2 234809731
gtofp 254301829
gc_GEN 255373925
gmulgu 282059385
lg_increase 320636824
closure_get_data 321375457
closure_get_oper 321392533
closure_codestr 321405372
is_universal_constant 325769908
lgcols 350603632
closure_arity 371278481
is_scalar_t 375660753
bin_copy 495823575
pari_free 509193012
is_bigint 562928975
leafcopy_avma 577275042
vecslice 656171455
is_matvec_t 659416699
F2v_coeff 661319406
F2x_coeff 667873403
pari_malloc 745082750
pari_stack_new 924861165
GENbinbase 961453398
pari_stack_alloc 1019547819
pari_stack_base 1025096071
gc_leaf 1135301704
equali1 1174083021
nbits2extraprec 1456926912
gc_upto 1951907082
odd 2089587382
is_pm1 2202928174
lgpol 2684312092
isintzero 2842719568
bit_accuracy 3155645265
gc_INT 4106957649
prec2lg 4468176244
is_const_t 4893063574
degpol 5488631661
remsBIL 7996190651
icopy_avma 8035082774
divsBIL 8087125235
isonstack 8265126400
is_recursive_t 9233900140

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