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 30601-812dd05845) Lines: 1421 1535 92.6 %
Date: 2026-01-06 09:22:34 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 11557
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 17024
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 22081
gtomp 22428
RgM_fpnorml2 22662
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 37961
FqX_div 38566
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 61493
err_get_num 62537
bid_get_gen 64274
nf_get_ramified_primes 64645
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 75641
bnr_get_mod 77119
gal_get_group 80387
mkcol3 88314
gtou 99529
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108798
zeromat 109052
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114529
Q_abs_shallow 120223
mkmatcopy 122268
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138438
zeroser 138908
RgV_is_QV 140735
FqX_factor 140946
get_FpXQX_mod 146583
FlxqX_div_pre 165414
znstar_get_U 176107
rowslicepermute 185016
vecsmall_prepend 186970
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200477
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220249
mkcol6 232470
ellR_get_prec 232750
zero_Flm_copy 238233
gchar_get_nf 243946
Fp_halve 247271
affc_fixlg 249621
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277487
gchar_get_zm 281911
bnf_get_tuN 282998
bnf_get_fu_nocheck 289087
bnf_get_tuU 303578
nf_get_G 304866
vec_prepend 314002
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 333986
cxtoreal 337206
upr_norm 346136
RgX_renormalize 349807
abgrp_get_no 354947
ZM_hnfrem 363801
FqX_mul 367701
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384906
RgX_is_QX 399932
perm_conj 418299
FqX_Fq_mul 427298
FqX_extgcd 444665
Z_issquare 458711
nf_get_disc 463477
precdbl 475381
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
zv_to_ZV 502982
vecsmall_to_vec 511781
nf_get_sign 519551
mkvec3s 524441
gdivsg 531589
addmuliu 535744
FqX_Fp_mul 571435
prec2nbits_mul 581166
vecsmall_ei 584724
ZM_ZV_mod 596456
RgC_fpnorml2 619843
FqX_is_squarefree 683802
vecreverse 697277
mkrfrac 698439
coltrunc_init 740250
logint 754832
gcmpgs 761915
row 763889
rnf_get_nf 786086
ellff_get_a4a6 800012
zero_F2m_copy 845049
FpXX_renormalize 849917
zeropadic 855422
gmin_shallow 877675
affgr 898866
ZXQ_sqr 960352
cgetc 975459
Flx_lead 978220
polx_F2x 1078361
pr_norm 1090497
sstoQ 1097215
Fp_invsafe 1100363
Flx_mulu 1105454
vecsmall_max 1164007
mkfracss 1209563
RgV_isscalar 1210271
gen_I 1269712
RgX_is_monomial 1331368
mkoo 1331910
bnf_get_sunits 1367774
rnf_get_absdegree 1392746
bnr_get_nf 1399082
zero_Flx 1426481
guncloneNULL_deep 1431772
constant_coeff 1441139
Rg_col_ei 1450996
inf_get_sign 1452962
vecsmall_concat 1464229
nf_get_varn 1503555
bid_get_mod 1521922
F2m_flip 1554224
F2v_flip 1554224
F2x_flip 1554224
F2x_div 1570135
uutoQ 1600198
nf_get_roots 1628941
bnf_get_gen 1680313
vec_ei 1713875
ulogint 1717379
mkvecsmall5 1717496
gsubgs 1724815
nf_get_roundG 1748173
abgrp_get_gen 1765028
ellinf 1869551
modpr_get_p 1887627
killblock 1919285
get_F2x_degree 1928987
Flx_div 1998026
ellnf_get_nf 2027216
ellff_get_field 2036839
bnr_get_bid 2046090
ell_get_j 2126269
bid_get_MOD 2157263
bid_get_sprk 2157993
ZXQ_mul 2161171
zv_copy 2183748
bid_get_fact2 2201583
gc_slice 2204181
pol_xn 2249280
pari_realloc_ip 2255369
bid_get_archp 2397128
bid_get_fact 2498947
get_F2x_mod 2499140
rnf_get_degree 2506335
bnr_get_cyc 2522556
get_F2x_var 2533922
ell_get_b4 2550216
Flv_copy 2554971
mul_content 2657164
RgX_coeff 2669861
vecslicepermute 2690200
hash_str 2756815
cyc_get_expo 2757559
perm_inv 2781896
sqrtnr 2810211
zero_Flm 2829399
bnr_get_clgp 2830238
rnf_get_pol 2845192
znstar_get_pe 2869063
F2x_equal1 2873938
bnf_get_logfu 2874777
gisdouble 2996417
mkpolmod 3103724
Fq_red 3106164
bit_accuracy_mul 3175472
ZV_to_zv 3211408
identity_perm 3241477
F3m_coeff 3255918
identity_zv 3265825
znstar_get_conreygen 3290176
ell_get_b8 3297414
get_FpX_mod 3394362
vec_append 3465059
zero_F2v 3647735
bid_get_U 3680239
bnf_get_cyc 3686151
bnr_get_bnf 3710951
nf_get_index 3711389
pol_1 3755663
pol_x 3856961
ell_get_b6 3863115
mulsubii 3881371
pol1_F2x 3956910
vec_to_vecsmall 4036634
vecsmall_append 4099600
sqrfrac 4148226
vecsmall_copy 4403898
mkcol2s 4416244
F2x_equal 4659130
FpXQX_renormalize 4694038
mkmat 4750918
qfb_disc3 4996004
mkfraccopy 4999589
is_rational_t 5032567
bnf_get_clgp 5375007
nf_get_zkprimpart 5414035
nf_get_zkden 5459860
pari_stack_delete 5569164
FpX_div 5581235
checkell_i 5593334
isintm1 5710226
bid_get_cyc 5739829
bid_get_grp 5804681
col_ei 5924478
pari_stack_init 6051583
get_FpX_degree 6424432
Flm_copy 6433524
sqrti 6610157
get_FpX_var 6957868
RgX_div 7000642
vecsmall_lexcmp 7043259
ell_get_a2 7106181
ZM_lll 7117845
RgX_gtofp 7144864
znstar_get_faN 7331711
ell_get_b2 7371011
ZX_is_monic 7374300
zc_to_ZC 7824423
vecsmall_to_col 7838606
znstar_get_conreycyc 7979693
F2m_coeff 8038662
Q_abs 8062660
mkintmod 8092486
ZV_ZV_mod 8131426
RgM_gtofp 8258134
Flx_equal1 8329881
gc_INT_affii 8485839
ell_get_a4 8536722
Flm_row 8741354
ell_get_a3 8814031
ell_get_a1 8997064
cxtofp 9080149
veclast 9372709
ismpzero 9584593
is_intreal_t 9584695
const_col 9729693
RgM_dimensions 9741833
nf_get_invzk 9767385
bnf_get_nf 9865168
mkvec4 10093803
ser_isexactzero 10120284
ell_get_a6 10370960
mkcol 10639625
ZC_hnfrem 10697356
mul_denom 10707589
ell_get_c4 11017998
Fp_addmul 11174493
vectrunc_init 11767580
pr_get_gen 12071051
abgrp_get_cyc 12230784
F2v_clear 12353960
F2x_clear 12353961
ell_get_type 12499211
nbits2nlong 12747773
pol0_F2x 13236384
ell_get_c6 13474472
gmax_shallow 13510199
modpr_get_T 13867035
closure_get_frame 14158046
zeromatcopy 14250203
rowpermute 14705361
Fp_div 15034940
Fp_divu 15129411
mkvec5 15185411
vectrunc_append 15853778
pr_get_e 16161622
ell_get_disc 16814790
matslice 16818829
normalize_frac 17205510
pr_is_inert 17223780
isint1 17584871
Fp_center_i 18008768
cxcompotor 18212030
qfb_disc 18502554
mkvecsmall4 18657549
const_vecsmall 19706140
vecpermute 20547525
Fp_double 20690689
Flx_div_pre 21689026
nf_get_M 21745805
RgM_shallowcopy 22179472
RgX_is_ZX 22423227
gmulgs 22605115
Fp_inv 23440607
nf_get_r1 23466311
ZV_isscalar 23675036
get_Flx_mod 25593749
pr_get_f 26442735
RgX_equal_var 26883004
shallowcopy 27631593
mkqfb 27930111
zerovec 28453529
modpr_get_pr 31236453
Fp_neg 31477880
hash_str_len 31544990
submulii 31982591
RgV_is_ZV 32158276
mkmat2 33654161
RgC_gtofp 34032336
const_vec 34477667
zero_zv 36733283
polx_Flx 37485813
lincombii 38228075
znstar_get_N 38655073
mkfrac 41640603
zeropol 42354004
powii 43130353
is_vec_t 43961485
closure_is_variadic 44789776
absfrac 46638708
guncloneNULL 47928501
pr_get_tau 49767992
mkmat22 50282058
ell_is_inf 52374259
QV_isscalar 54415779
pol1_Flx 55051555
addmuliu_inplace 59639323
zero_Flv 59671043
submuliu_inplace 60133606
F2x_copy 60414488
gtodouble 60783134
is_real_t 62062465
qfb_is_qfi 62316206
Fp_sqr 63173628
Fp_mulu 66073390
get_Flx_var 68349495
mkvec 71082067
nf_get_degree 71369055
Fp_center 77172312
vecsmallpermute 78698131
rowslice 79310032
sqrtr 80372432
perm_mul 80893567
get_Flx_degree 81602072
Fp_red 82193494
pol_0 82996648
gtos 85855675
is_noncalc_t 85871120
cxnorm 91200643
mkcomplex 91617506
pr_get_p 92749759
dbllog2r 92817702
nf_get_pol 98106795
vecsmalltrunc_append 100782340
F2v_set 101403560
cgiv 102680774
RgX_copy 103406805
pol0_Flx 103462343
prec2nbits 103964536
mkvecsmall3 104177687
vecsmall_prefixcmp 108088071
gc_all 109636768
F2x_renormalize 115283026
mkvec3 115843787
zerocol 122333035
gaddgs 123248606
both_odd 124045725
F2x_set 124768889
nchar2nlong 127392489
mkvecsmall 131623706
equalim1 139505068
bit_prec 143252613
FpX_renormalize 144203045
ZX_renormalize 154983225
mkcol2 156873082
nbrows 157466378
leading_coeff 170262163
Flx_copy 173184770
Fp_add 180815874
mkvec2 185401761
nbits2prec 186134867
vecsmalltrunc_init 190052088
Fp_mul 200624921
Fp_sub 202140816
mkvecsmall2 234843886
gtofp 254313868
gc_GEN 255508798
gmulgu 282059385
lg_increase 318400835
closure_get_data 321696023
closure_get_oper 321720114
closure_codestr 321743184
is_universal_constant 325911228
lgcols 351594182
closure_arity 371599841
is_scalar_t 375658485
bin_copy 496060944
pari_free 509447895
is_bigint 563398479
leafcopy_avma 577334482
vecslice 656019640
is_matvec_t 659716263
F2v_coeff 661320915
F2x_coeff 667872049
pari_malloc 745353594
pari_stack_new 925167170
GENbinbase 961903606
pari_stack_alloc 1019849841
pari_stack_base 1025383261
gc_leaf 1133889945
equali1 1174332320
nbits2extraprec 1458022812
gc_upto 1953583341
odd 2089570768
is_pm1 2204404768
lgpol 2682585399
isintzero 2844033611
bit_accuracy 3159730870
gc_INT 4110886227
prec2lg 4467259386
is_const_t 4897911111
degpol 5481892390
remsBIL 8000569180
icopy_avma 8039646625
divsBIL 8091453026
isonstack 8269403805
is_recursive_t 9235143762

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