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 30600-bbb75e9497) Lines: 1421 1535 92.6 %
Date: 2026-01-05 09:22:13 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 119
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 245
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 8372
vectrunc_append_batch 9667
prec2ndec 9778
cgetalloc 10166
gchar_get_Ui 10983
vec_shorten 11556
ZX_equal1 12850
R_abs_shallow 13097
gchar_get_nfprec 13468
closure_get_dbg 13628
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 22080
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 29654
gener_Fq_local 29946
gal_get_roots 32732
gchar_get_basis 32816
F2xqX_div 33173
ndec2prec 33279
mkcolcopy 33555
Qtoss 35322
gal_get_pol 36316
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37065
gchar_get_nc 37261
FqX_rem 37743
F2v_to_F2x 37932
FqX_div 38568
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41549
znstar_get_Ui 46788
pari_calloc 47720
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50519
get_FpXQX_var 51630
locs_get_cyc 52136
div_content 58504
RgX_fpnorml2 61495
err_get_num 62536
bid_get_gen 64274
nf_get_ramified_primes 64643
RgX_is_rational 68164
FqX_sub 68607
mkquad 69118
FqX_div_by_X_x 69699
quadnorm 69881
FqX_sqr 71855
bid_get_ideal 72842
Fq_to_FpXQ 73652
vecsmall_shorten 75640
bnr_get_mod 77117
gal_get_group 80387
mkcol3 88314
gtou 99541
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108797
zeromat 109091
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114530
Q_abs_shallow 120241
mkmatcopy 122274
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138439
zeroser 138908
RgV_is_QV 140733
FqX_factor 140946
get_FpXQX_mod 146583
FlxqX_div_pre 165415
znstar_get_U 176107
rowslicepermute 185149
vecsmall_prepend 186970
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200473
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220251
mkcol6 232470
ellR_get_prec 232750
zero_Flm_copy 238228
gchar_get_nf 243946
Fp_halve 247271
affc_fixlg 249624
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277481
gchar_get_zm 281911
bnf_get_tuN 282990
bnf_get_fu_nocheck 289086
bnf_get_tuU 303573
nf_get_G 304887
vec_prepend 313997
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 333971
cxtoreal 337204
upr_norm 346136
RgX_renormalize 349807
abgrp_get_no 354939
ZM_hnfrem 363770
FqX_mul 367703
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384907
RgX_is_QX 399928
perm_conj 418299
FqX_Fq_mul 427297
FqX_extgcd 444665
Z_issquare 458712
nf_get_disc 463465
precdbl 475364
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
zv_to_ZV 502982
vecsmall_to_vec 511781
nf_get_sign 519550
mkvec3s 524441
gdivsg 531590
addmuliu 535826
FqX_Fp_mul 571432
prec2nbits_mul 581167
vecsmall_ei 584700
ZM_ZV_mod 596483
RgC_fpnorml2 619845
FqX_is_squarefree 683802
vecreverse 697277
mkrfrac 698439
coltrunc_init 740250
logint 754832
gcmpgs 761928
row 763879
rnf_get_nf 786086
ellff_get_a4a6 800041
zero_F2m_copy 845041
FpXX_renormalize 849917
zeropadic 855625
gmin_shallow 877642
affgr 898866
ZXQ_sqr 960436
cgetc 975457
Flx_lead 978443
polx_F2x 1078182
pr_norm 1090478
sstoQ 1097215
Fp_invsafe 1100355
Flx_mulu 1105285
vecsmall_max 1164063
mkfracss 1209563
RgV_isscalar 1210273
gen_I 1269707
RgX_is_monomial 1331334
mkoo 1331862
bnf_get_sunits 1367773
rnf_get_absdegree 1392746
bnr_get_nf 1399058
zero_Flx 1426611
guncloneNULL_deep 1437968
constant_coeff 1441124
Rg_col_ei 1451004
inf_get_sign 1452920
vecsmall_concat 1464220
nf_get_varn 1503566
bid_get_mod 1521922
F2m_flip 1554224
F2v_flip 1554224
F2x_flip 1554224
F2x_div 1569954
uutoQ 1600198
nf_get_roots 1628958
bnf_get_gen 1680321
vec_ei 1713856
mkvecsmall5 1717492
ulogint 1722066
gsubgs 1724803
nf_get_roundG 1748200
abgrp_get_gen 1765036
ellinf 1869649
modpr_get_p 1887623
killblock 1921584
get_F2x_degree 1929118
Flx_div 1997972
ellnf_get_nf 2027231
ellff_get_field 2036886
bnr_get_bid 2046081
ell_get_j 2126269
bid_get_MOD 2157245
bid_get_sprk 2157970
ZXQ_mul 2161296
zv_copy 2183791
bid_get_fact2 2201565
gc_slice 2204052
pol_xn 2249293
pari_realloc_ip 2255231
bid_get_archp 2397095
bid_get_fact 2498915
get_F2x_mod 2499161
rnf_get_degree 2506335
bnr_get_cyc 2522537
get_F2x_var 2534057
ell_get_b4 2550216
Flv_copy 2555011
mul_content 2657088
RgX_coeff 2669861
vecslicepermute 2690479
hash_str 2756815
cyc_get_expo 2757548
perm_inv 2781906
sqrtnr 2810131
zero_Flm 2829294
bnr_get_clgp 2830204
rnf_get_pol 2845192
znstar_get_pe 2869063
F2x_equal1 2873905
bnf_get_logfu 2874773
gisdouble 2996121
mkpolmod 3103723
Fq_red 3106086
bit_accuracy_mul 3175472
ZV_to_zv 3211407
identity_perm 3241325
F3m_coeff 3255870
identity_zv 3265675
znstar_get_conreygen 3290176
ell_get_b8 3297414
get_FpX_mod 3394380
vec_append 3464992
zero_F2v 3647668
bid_get_U 3680221
bnf_get_cyc 3686155
bnr_get_bnf 3710940
nf_get_index 3711380
pol_1 3755718
pol_x 3856875
ell_get_b6 3863115
mulsubii 3882442
pol1_F2x 3958140
vec_to_vecsmall 4036619
vecsmall_append 4099591
sqrfrac 4148186
vecsmall_copy 4403938
mkcol2s 4416244
F2x_equal 4660681
FpXQX_renormalize 4694138
mkmat 4750955
qfb_disc3 4995742
mkfraccopy 4999686
is_rational_t 5032485
bnf_get_clgp 5375019
nf_get_zkprimpart 5413923
nf_get_zkden 5459754
FpX_div 5581237
pari_stack_delete 5591891
checkell_i 5593230
isintm1 5710120
bid_get_cyc 5739799
bid_get_grp 5804652
col_ei 5924478
pari_stack_init 6051369
get_FpX_degree 6424533
Flm_copy 6433524
sqrti 6610138
get_FpX_var 6957939
RgX_div 7000642
vecsmall_lexcmp 7043256
ell_get_a2 7106190
ZM_lll 7117501
RgX_gtofp 7144798
znstar_get_faN 7331711
ell_get_b2 7371029
ZX_is_monic 7374317
zc_to_ZC 7824611
vecsmall_to_col 7838793
znstar_get_conreycyc 7979693
F2m_coeff 8038652
Q_abs 8062654
mkintmod 8092712
ZV_ZV_mod 8131461
RgM_gtofp 8257475
Flx_equal1 8329785
gc_INT_affii 8487166
ell_get_a4 8536731
Flm_row 8741394
ell_get_a3 8814058
ell_get_a1 8997090
cxtofp 9079434
veclast 9372714
ismpzero 9584449
is_intreal_t 9584547
const_col 9729658
RgM_dimensions 9741791
nf_get_invzk 9767469
bnf_get_nf 9863899
mkvec4 10093874
ser_isexactzero 10120284
ell_get_a6 10370969
mkcol 10639748
ZC_hnfrem 10697438
mul_denom 10707701
ell_get_c4 11018044
Fp_addmul 11265298
vectrunc_init 11767566
pr_get_gen 12071103
abgrp_get_cyc 12230765
F2x_clear 12353926
F2v_clear 12353934
ell_get_type 12498745
nbits2nlong 12751485
pol0_F2x 13244096
ell_get_c6 13474475
gmax_shallow 13510200
modpr_get_T 13867097
closure_get_frame 14157879
zeromatcopy 14249374
rowpermute 14705442
Fp_div 15034590
Fp_divu 15129036
mkvec5 15185713
vectrunc_append 15853314
pr_get_e 16161780
ell_get_disc 16815008
matslice 16818464
normalize_frac 17205677
pr_is_inert 17223814
isint1 17584752
Fp_center_i 17983938
cxcompotor 18210681
qfb_disc 18502525
mkvecsmall4 18654617
const_vecsmall 19706106
vecpermute 20548249
Fp_double 20882377
Flx_div_pre 21690043
nf_get_M 21745616
RgM_shallowcopy 22179464
RgX_is_ZX 22423254
gmulgs 22590594
Fp_inv 23440408
nf_get_r1 23466062
ZV_isscalar 23674892
get_Flx_mod 25595097
pr_get_f 26442820
RgX_equal_var 26883012
shallowcopy 27631317
mkqfb 27929620
zerovec 28453539
modpr_get_pr 31236542
Fp_neg 31482638
hash_str_len 31544909
submulii 31982591
RgV_is_ZV 32158273
mkmat2 33654099
RgC_gtofp 34028465
const_vec 34479633
zero_zv 36733967
polx_Flx 37488698
lincombii 38230874
znstar_get_N 38655073
mkfrac 41639309
zeropol 42353901
powii 43130327
is_vec_t 43951824
closure_is_variadic 44789598
absfrac 46638716
guncloneNULL 47934651
pr_get_tau 49767805
mkmat22 50282713
ell_is_inf 52391878
QV_isscalar 54416123
pol1_Flx 55056871
addmuliu_inplace 59638275
zero_Flv 59673607
submuliu_inplace 60130764
F2x_copy 60443562
gtodouble 60778340
is_real_t 62062458
qfb_is_qfi 62321706
Fp_sqr 63596389
Fp_mulu 67482814
get_Flx_var 68352731
mkvec 71110843
nf_get_degree 71369337
Fp_center 77142279
vecsmallpermute 78696527
rowslice 79312127
sqrtr 80367805
perm_mul 80891940
get_Flx_degree 82225220
Fp_red 82328943
pol_0 82996527
gtos 85855655
is_noncalc_t 85870507
cxnorm 91197115
mkcomplex 91607257
pr_get_p 92749573
dbllog2r 92813975
nf_get_pol 98107370
vecsmalltrunc_append 100770307
F2v_set 101403484
cgiv 102677353
RgX_copy 103406545
pol0_Flx 103485483
prec2nbits 103962530
mkvecsmall3 104179799
vecsmall_prefixcmp 108088071
gc_all 109638126
F2x_renormalize 115356668
mkvec3 117696954
zerocol 122326656
gaddgs 123248593
both_odd 123994599
F2x_set 124813064
nchar2nlong 127389106
mkvecsmall 131648414
equalim1 139504964
bit_prec 143241104
FpX_renormalize 144205270
ZX_renormalize 154977805
mkcol2 156879561
nbrows 157462056
leading_coeff 170262237
Flx_copy 173192936
Fp_add 181112373
mkvec2 184862213
nbits2prec 186125667
vecsmalltrunc_init 188883430
Fp_mul 200759048
Fp_sub 202517067
mkvecsmall2 234848114
gtofp 254282218
gc_GEN 255469563
gmulgu 282059384
lg_increase 315686194
closure_get_data 321541931
closure_get_oper 321566531
closure_codestr 321591754
is_universal_constant 325781753
lgcols 351593505
closure_arity 371441445
is_scalar_t 375657750
bin_copy 496056397
pari_free 509453273
is_bigint 563389853
leafcopy_avma 576907099
vecslice 655931848
is_matvec_t 659594103
F2v_coeff 661321179
F2x_coeff 667961012
pari_malloc 745351028
pari_stack_new 925055797
GENbinbase 961893148
pari_stack_alloc 1019741256
pari_stack_base 1025284538
gc_leaf 1136653350
equali1 1174341244
nbits2extraprec 1457860397
gc_upto 1953484890
odd 2089874198
is_pm1 2205107808
lgpol 2687178365
isintzero 2843873217
bit_accuracy 3159916403
gc_INT 4111308222
prec2lg 4466661861
is_const_t 4897356972
degpol 5491037633
remsBIL 8000367222
icopy_avma 8040039574
divsBIL 8091404977
isonstack 8272152903
is_recursive_t 9235100507

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