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 30587-f85873d515) Lines: 1420 1535 92.5 %
Date: 2025-12-29 09:21:39 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 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 11556
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 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 22084
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 26299
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 33542
Qtoss 35322
gal_get_pol 36316
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37051
gchar_get_nc 37261
F2v_to_F2x 37723
FqX_rem 37743
FqX_div 38565
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
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 58517
RgX_fpnorml2 61496
err_get_num 62523
bid_get_gen 64274
nf_get_ramified_primes 64645
RgX_is_rational 68166
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 77118
gal_get_group 80386
mkcol3 88314
gtou 99538
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108785
zeromat 109104
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114509
Q_abs_shallow 120219
mkmatcopy 122247
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138463
zeroser 138908
RgV_is_QV 140727
FqX_factor 140946
get_FpXQX_mod 146583
FlxqX_div_pre 165414
znstar_get_U 176107
rowslicepermute 184765
vecsmall_prepend 186970
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200461
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 238201
gchar_get_nf 243946
Fp_halve 247271
affc_fixlg 249622
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277492
gchar_get_zm 281911
bnf_get_tuN 283000
bnf_get_fu_nocheck 289085
bnf_get_tuU 303577
nf_get_G 303786
vec_prepend 313994
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 334018
cxtoreal 337204
upr_norm 346135
RgX_renormalize 349807
abgrp_get_no 354946
ZM_hnfrem 363783
FqX_mul 367703
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384919
RgX_is_QX 399929
perm_conj 418299
FqX_Fq_mul 427289
FqX_extgcd 444661
Z_issquare 458708
nf_get_disc 463471
precdbl 475362
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
zv_to_ZV 502982
vecsmall_to_vec 511781
nf_get_sign 519545
mkvec3s 524441
gdivsg 531591
addmuliu 535934
FqX_Fp_mul 571453
prec2nbits_mul 581166
vecsmall_ei 584710
ZM_ZV_mod 596450
RgC_fpnorml2 619834
FqX_is_squarefree 683802
vecreverse 697277
mkrfrac 698439
coltrunc_init 740250
logint 754839
gcmpgs 761917
row 763904
rnf_get_nf 786086
ellff_get_a4a6 800049
zero_F2m_copy 845002
FpXX_renormalize 849917
zeropadic 855366
gmin_shallow 877668
affgr 898866
ZXQ_sqr 960430
cgetc 975457
Flx_lead 979077
polx_F2x 1073296
pr_norm 1089350
sstoQ 1097215
Fp_invsafe 1100363
Flx_mulu 1105501
vecsmall_max 1164187
mkfracss 1209563
RgV_isscalar 1210278
gen_I 1269709
RgX_is_monomial 1331333
mkoo 1331863
bnf_get_sunits 1367774
bnr_get_nf 1368094
rnf_get_absdegree 1392746
zero_Flx 1426761
guncloneNULL_deep 1427292
constant_coeff 1441158
Rg_col_ei 1451090
inf_get_sign 1452908
vecsmall_concat 1464214
nf_get_varn 1503566
bid_get_mod 1521922
F2m_flip 1553385
F2v_flip 1553385
F2x_flip 1553385
F2x_div 1557258
uutoQ 1600198
nf_get_roots 1627799
bnf_get_gen 1680293
vec_ei 1713866
mkvecsmall5 1717497
ulogint 1724251
gsubgs 1724808
nf_get_roundG 1747114
abgrp_get_gen 1765005
ellinf 1869957
modpr_get_p 1888403
killblock 1916933
get_F2x_degree 1929222
Flx_div 1997992
ellnf_get_nf 2027274
ellff_get_field 2036918
bnr_get_bid 2046094
ell_get_j 2126269
bid_get_MOD 2157246
bid_get_sprk 2157972
ZXQ_mul 2161305
zv_copy 2183893
bid_get_fact2 2201566
gc_slice 2204075
pol_xn 2249293
pari_realloc_ip 2256657
bid_get_archp 2397075
bid_get_fact 2498898
get_F2x_mod 2499371
rnf_get_degree 2506335
bnr_get_cyc 2522558
get_F2x_var 2534217
ell_get_b4 2550216
Flv_copy 2555153
mul_content 2654159
RgX_coeff 2669861
vecslicepermute 2690128
hash_str 2756815
cyc_get_expo 2757535
perm_inv 2781945
sqrtnr 2809034
zero_Flm 2829682
bnr_get_clgp 2830241
rnf_get_pol 2845192
znstar_get_pe 2869063
F2x_equal1 2874281
bnf_get_logfu 2874745
gisdouble 2991791
mkpolmod 3103726
Fq_red 3106456
bit_accuracy_mul 3175472
ZV_to_zv 3211408
identity_perm 3241557
F3m_coeff 3255867
identity_zv 3265907
znstar_get_conreygen 3290176
ell_get_b8 3297414
get_FpX_mod 3394394
vec_append 3465067
zero_F2v 3647440
bid_get_U 3680223
bnf_get_cyc 3686129
nf_get_index 3711330
bnr_get_bnf 3751379
pol_1 3755762
pol_x 3856856
ell_get_b6 3863115
mulsubii 3881296
pol1_F2x 3959648
vec_to_vecsmall 4036611
vecsmall_append 4099596
sqrfrac 4148124
vecsmall_copy 4404027
mkcol2s 4416244
F2x_equal 4606765
FpXQX_renormalize 4693880
mkmat 4751063
qfb_disc3 4994358
mkfraccopy 4999621
is_rational_t 5032323
bnf_get_clgp 5374952
nf_get_zkprimpart 5417400
nf_get_zkden 5463190
pari_stack_delete 5551820
FpX_div 5581142
checkell_i 5593311
isintm1 5710109
bid_get_cyc 5739767
bid_get_grp 5804614
col_ei 5924698
pari_stack_init 6050614
get_FpX_degree 6424487
Flm_copy 6433425
sqrti 6664693
get_FpX_var 6957721
RgX_div 7000642
vecsmall_lexcmp 7043258
ell_get_a2 7106202
ZM_lll 7116050
RgX_gtofp 7144704
znstar_get_faN 7331711
ell_get_b2 7371031
ZX_is_monic 7374312
zc_to_ZC 7824237
vecsmall_to_col 7838419
znstar_get_conreycyc 7979693
F2m_coeff 8035820
Q_abs 8062495
mkintmod 8092705
ZV_ZV_mod 8131421
RgM_gtofp 8257305
Flx_equal1 8330223
gc_INT_affii 8493494
ell_get_a4 8536743
Flm_row 8741760
ell_get_a3 8814071
ell_get_a1 8997103
cxtofp 9078598
veclast 9372739
ismpzero 9585633
is_intreal_t 9585735
const_col 9729622
RgM_dimensions 9741712
nf_get_invzk 9767439
bnf_get_nf 9863835
mkvec4 10093765
ser_isexactzero 10120284
ell_get_a6 10370981
mkcol 10639830
ZC_hnfrem 10695935
mul_denom 10711157
ell_get_c4 11018075
Fp_addmul 11269701
vectrunc_init 11769145
pr_get_gen 12066975
abgrp_get_cyc 12230700
F2v_clear 12352299
F2x_clear 12352305
ell_get_type 12499095
nbits2nlong 12755469
pol0_F2x 13206117
ell_get_c6 13474438
gmax_shallow 13510199
modpr_get_T 13867546
closure_get_frame 14157779
zeromatcopy 14247732
rowpermute 14705715
Fp_div 15035582
Fp_divu 15130223
mkvec5 15185622
vectrunc_append 15851653
pr_get_e 16101516
ell_get_disc 16815506
matslice 16818620
pr_is_inert 17145810
normalize_frac 17205889
isint1 17584682
Fp_center_i 18043283
cxcompotor 18209030
qfb_disc 18502536
mkvecsmall4 18658765
const_vecsmall 19699912
vecpermute 20543360
Fp_double 20947236
nf_get_M 21306504
Flx_div_pre 21685650
RgM_shallowcopy 22173330
RgX_is_ZX 22423143
gmulgs 22595141
nf_get_r1 23026925
ZV_isscalar 23233345
Fp_inv 23438564
get_Flx_mod 25591571
pr_get_f 26341442
RgX_equal_var 26883022
shallowcopy 27626367
mkqfb 27926859
zerovec 28453507
modpr_get_pr 31237847
Fp_neg 31487164
hash_str_len 31544517
RgV_is_ZV 32158323
submulii 32838828
mkmat2 33652390
RgC_gtofp 34029340
const_vec 34470183
zero_zv 36722172
polx_Flx 37480779
lincombii 38217604
znstar_get_N 38655073
mkfrac 41641468
zeropol 42354018
powii 43126933
is_vec_t 43944216
closure_is_variadic 44789038
absfrac 46638367
guncloneNULL 47923843
pr_get_tau 49564150
mkmat22 50257642
ell_is_inf 52362514
QV_isscalar 54415158
pol1_Flx 55051248
addmuliu_inplace 59645426
zero_Flv 59649086
F2x_copy 59708891
submuliu_inplace 60134458
gtodouble 60776606
is_real_t 62062466
qfb_is_qfi 62323821
Fp_sqr 64060625
Fp_mulu 67799878
get_Flx_var 68343681
mkvec 71134222
nf_get_degree 71364260
Fp_center 77238221
vecsmallpermute 78704382
rowslice 79329445
sqrtr 80366345
perm_mul 80899810
Fp_red 82191392
get_Flx_degree 82359940
pol_0 82996654
gtos 85855722
is_noncalc_t 85874991
cxnorm 91198428
mkcomplex 91600426
pr_get_p 92474931
dbllog2r 92815228
nf_get_pol 98073757
vecsmalltrunc_append 100915820
F2v_set 101401009
cgiv 102250619
RgX_copy 103406437
pol0_Flx 103449269
prec2nbits 103962814
mkvecsmall3 104170485
vecsmall_prefixcmp 108088071
gc_all 109629038
F2x_renormalize 114331951
mkvec3 118102762
zerocol 122320104
gaddgs 123248605
both_odd 124047076
F2x_set 124609308
nchar2nlong 127383377
mkvecsmall 131602849
equalim1 139505139
bit_prec 142803013
FpX_renormalize 144206335
ZX_renormalize 154969636
mkcol2 156826415
nbrows 157440190
leading_coeff 170260183
Flx_copy 173159588
Fp_add 181187341
mkvec2 185797021
nbits2prec 186125793
vecsmalltrunc_init 191088281
Fp_mul 200830821
Fp_sub 203455925
mkvecsmall2 234838120
gtofp 254305085
gc_GEN 255496549
gmulgu 282059385
lg_increase 319393787
closure_get_data 321606488
closure_get_oper 321630834
closure_codestr 321651089
is_universal_constant 325760488
lgcols 350616659
closure_arity 371504512
is_scalar_t 375660280
bin_copy 495995101
pari_free 509350388
is_bigint 562940735
leafcopy_avma 576977133
vecslice 656251428
is_matvec_t 659644963
F2v_coeff 661304126
F2x_coeff 668047971
pari_malloc 745255206
pari_stack_new 925127085
GENbinbase 961773258
pari_stack_alloc 1019813797
pari_stack_base 1025328447
gc_leaf 1135671762
equali1 1174222779
nbits2extraprec 1456975840
gc_upto 1951981872
odd 2090120376
is_pm1 2203496948
lgpol 2682032783
isintzero 2843198017
bit_accuracy 3152698496
gc_INT 4107672105
prec2lg 4468663007
is_const_t 4894588657
degpol 5490862069
remsBIL 7994847985
icopy_avma 8035991517
divsBIL 8085756478
isonstack 8266890164
is_recursive_t 9234706077

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