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 30462-6c568f4018) Lines: 1420 1532 92.7 %
Date: 2025-08-10 09:24:05 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 540
RgC_gtomp 574
rnf_get_varn 574
gchar_get_r2 623
gchar_set_HUUi 623
gchar_set_nalg 623
gchar_set_nfree 623
gchar_set_ntors 623
bnf_get_reg 648
pari_err_DIM 718
perm_sqr 728
Rg_to_Fq 756
F2m_set 798
gchar_set_m0 950
row_i 987
RgM_minor 1036
quad_disc 1085
ellQp_get_p 1134
gchar_copy_precs 1202
gchar_set_prec 1202
rnf_get_invzk 1225
rnf_get_k 1225
locs_get_Lgenfil 1260
locs_get_famod 1260
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 1573
gchar_set_cyc 1573
gchar_get_sfu 1748
gchar_set_evalprec 1785
mkintmodu 1813
gchar_get_nm 1841
pari_realloc 1890
RgXQX_div 1904
mkpadic 2009
gchar_get_nalg 2042
gchar_set_nf 2077
gchar_set_u0 2093
vecsmall_min 2324
vecreverse_inplace 2570
pari_err_DOMAIN 2841
rnf_get_ramified_primes 2849
gchar_set_nfprec 2950
vecsmall_reverse 3052
vecsmall_to_vec_inplace 3304
gchar_get_m0 3321
pari_err_TYPE2 3493
get_FpXQX_degree 3589
matpascal 3885
gchar_get_evalprec 4011
gchar_get_modP 4095
FqX_normalize 4123
nf_get_r2 4140
gchar_get_u0 4267
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 8358
prec2ndec 9778
cgetalloc 10166
gchar_get_Ui 10969
vec_shorten 11549
vectrunc_append_batch 12306
ZX_equal1 12711
R_abs_shallow 13097
gchar_get_nfprec 13419
closure_get_dbg 13621
zx_renormalize 14049
pari_err_TYPE 15398
gal_get_gen 15449
znstar_get_gen 16150
gchar_get_cyc 16168
mkmat3 17001
zeropadic_shallow 17024
gchar_get_r1 17416
Fp_muls 17780
gchar_get_prec 18732
vec_lengthen 18946
FqX_halve 19411
pari_err_INV 20018
FpXY_Fq_evaly 20587
rnf_get_nfdegree 21455
FqX_mulu 21942
nf_get_Tr 22082
gtomp 22428
FqXQ_mul 22766
RgM_fpnorml2 22781
ZV_dvd 23485
gal_get_mod 23772
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25851
nfV_to_scalar_or_alg 26293
gal_get_den 27874
gal_get_invvdm 27881
absfrac_shallow 28237
zerovec_block 28947
gequalgs 29176
gener_Fq_local 29931
gchar_get_basis 32639
gal_get_roots 32753
F2xqX_div 33173
ndec2prec 33321
mkcolcopy 33497
Qtoss 35322
gal_get_pol 36337
gchar_get_S 36865
gchar_get_ns 36865
closure_get_text 37051
gchar_get_nc 37131
FqX_rem 37743
F2v_to_F2x 37859
FqX_div 38546
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41591
znstar_get_Ui 46788
pari_calloc 47678
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50347
get_FpXQX_var 51630
locs_get_cyc 51955
div_content 58476
RgX_fpnorml2 61606
err_get_num 62529
bid_get_gen 64274
nf_get_ramified_primes 64813
RgX_is_rational 68304
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 80393
mkcol3 88314
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
gtou 104252
mkmoo 108833
zeromat 109134
RgV_isin 110130
RgV_isin_i 110130
mkvec2copy 114562
Q_abs_shallow 120218
mkmatcopy 122228
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138516
zeroser 138824
RgV_is_QV 140755
FqX_factor 141051
get_FpXQX_mod 146583
FlxqX_div_pre 165414
znstar_get_U 176107
rowslicepermute 184855
vecsmall_prepend 186991
gchar_get_DLdata 188468
locs_get_Lsprk 191695
F2m_copy 200502
get_F2xqX_degree 200851
gchar_get_bnf 203105
rowcopy 204988
locs_get_m_infty 207235
mkmat22s 207578
mkvec2s 220412
mkcol6 232589
ellR_get_prec 232750
zero_Flm_copy 235905
gchar_get_nf 241501
Fp_halve 247348
affc_fixlg 249596
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277490
gchar_get_zm 279434
bnf_get_tuN 282982
bnf_get_fu_nocheck 289065
bnf_get_tuU 303553
nf_get_G 303609
vec_prepend 313982
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 330250
cxtoreal 337264
upr_norm 343930
RgX_renormalize 349807
abgrp_get_no 355168
ZM_hnfrem 363845
FqX_mul 367816
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384884
RgX_is_QX 400112
perm_conj 418299
FqX_Fq_mul 427300
FqX_extgcd 445043
Z_issquare 458922
nf_get_disc 463829
precdbl 475471
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
zv_to_ZV 502996
vecsmall_to_vec 511571
nf_get_sign 517290
mkvec3s 524441
gdivsg 529206
addmuliu 541137
FqX_Fp_mul 572131
prec2nbits_mul 581138
vecsmall_ei 584712
ZM_ZV_mod 596589
RgC_fpnorml2 622069
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698152
coltrunc_init 740250
logint 752803
gcmpgs 761972
row 764009
rnf_get_nf 786030
ellff_get_a4a6 800040
zero_F2m_copy 845108
FpXX_renormalize 849896
zeropadic 855702
gmin_shallow 876370
affgr 898880
ZXQ_sqr 961067
cgetc 973497
Flx_lead 980384
polx_F2x 1079060
pr_norm 1088568
sstoQ 1097215
Fp_invsafe 1100357
Flx_mulu 1105229
vecsmall_max 1164618
RgV_isscalar 1208175
mkfracss 1209563
gen_I 1269738
RgX_is_monomial 1331277
mkoo 1332003
bnf_get_sunits 1365640
bnr_get_nf 1368111
guncloneNULL_deep 1390955
rnf_get_absdegree 1392746
zero_Flx 1426944
constant_coeff 1441499
Rg_col_ei 1451242
inf_get_sign 1453094
vecsmall_concat 1464423
nf_get_varn 1503576
bid_get_mod 1521922
F2m_flip 1554069
F2v_flip 1554069
F2x_flip 1554069
F2x_div 1571401
nf_get_roots 1625523
bnf_get_gen 1678174
vec_ei 1714607
ulogint 1723855
gsubgs 1727458
mkvecsmall5 1730591
nf_get_roundG 1744533
abgrp_get_gen 1762888
ellinf 1868527
modpr_get_p 1888432
killblock 1903983
get_F2x_degree 1929089
Flx_div 1999008
ellnf_get_nf 2027597
ellff_get_field 2036883
bnr_get_bid 2045865
ell_get_j 2126227
bid_get_MOD 2157263
bid_get_sprk 2157987
ZXQ_mul 2162053
pari_realloc_ip 2179787
zv_copy 2184112
bid_get_fact2 2201583
gc_slice 2204900
pol_xn 2249902
bid_get_archp 2397080
bid_get_fact 2498908
get_F2x_mod 2499209
rnf_get_degree 2506307
bnr_get_cyc 2522343
get_F2x_var 2534268
ell_get_b4 2549033
Flv_copy 2555371
mul_content 2652124
RgX_coeff 2669140
vecslicepermute 2690359
hash_str 2754915
cyc_get_expo 2755559
perm_inv 2782856
sqrtnr 2807240
bnr_get_clgp 2830020
zero_Flm 2830292
rnf_get_pol 2845157
znstar_get_pe 2868790
bnf_get_logfu 2872588
F2x_equal1 2874031
gisdouble 2988133
mkpolmod 3105015
Fq_red 3106382
bit_accuracy_mul 3175490
ZV_to_zv 3206094
identity_perm 3242645
F3m_coeff 3256714
identity_zv 3266995
znstar_get_conreygen 3289889
ell_get_b8 3297414
get_FpX_mod 3394352
vec_append 3461163
zero_F2v 3648057
bid_get_U 3680238
bnf_get_cyc 3681723
nf_get_index 3709018
bnr_get_bnf 3750899
pol_1 3756340
pol_x 3856853
ell_get_b6 3861932
mulsubii 3882193
pol1_F2x 3958372
vec_to_vecsmall 4031498
vecsmall_append 4111378
sqrfrac 4148283
vecsmall_copy 4404288
mkcol2s 4416244
F2x_equal 4661367
FpXQX_renormalize 4693435
mkmat 4748735
qfb_disc3 4988880
mkfraccopy 4999625
is_rational_t 5035142
bnf_get_clgp 5368427
pari_stack_delete 5407710
nf_get_zkprimpart 5414160
nf_get_zkden 5459974
FpX_div 5578767
checkell_i 5593362
isintm1 5703918
bid_get_cyc 5739536
bid_get_grp 5804392
pari_stack_init 5834449
col_ei 5923728
get_FpX_degree 6424453
Flm_copy 6431427
sqrti 6663546
get_FpX_var 6957834
RgX_div 7000740
vecsmall_lexcmp 7043259
ell_get_a2 7105474
ZM_lll 7110473
RgX_gtofp 7147177
znstar_get_faN 7330731
ell_get_b2 7369851
ZX_is_monic 7375995
zc_to_ZC 7819482
vecsmall_to_col 7833663
znstar_get_conreycyc 7978902
F2m_coeff 8039011
Q_abs 8062550
mkintmod 8092656
ZV_ZV_mod 8129067
RgM_gtofp 8252473
Flx_equal1 8327238
gc_INT_affii 8488480
ell_get_a4 8536015
Flm_row 8742583
ell_get_a3 8813346
ell_get_a1 8996379
cxtofp 9076475
veclast 9372638
ismpzero 9575201
is_intreal_t 9575305
const_col 9729763
RgM_dimensions 9742146
nf_get_invzk 9761096
bnf_get_nf 9852757
ser_isexactzero 10079479
mkvec4 10105906
ell_get_a6 10370254
mkcol 10635235
ZC_hnfrem 10682277
mul_denom 10707798
ell_get_c4 10728725
Fp_addmul 11397889
pr_get_gen 12055310
vectrunc_init 12065888
abgrp_get_cyc 12225855
F2v_clear 12355406
F2x_clear 12355406
ell_get_type 12499577
nbits2nlong 12650876
ell_get_c6 12892075
pol0_F2x 13248163
gmax_shallow 13510218
modpr_get_T 13865321
closure_get_frame 14145096
zeromatcopy 14240500
rowpermute 14705186
Fp_div 15034237
Fp_divu 15134046
mkvec5 15182567
pr_get_e 15948426
vectrunc_append 16162765
ell_get_disc 16525614
matslice 16817493
pr_is_inert 16905936
normalize_frac 17120836
isint1 17571538
mkvecsmall4 17831962
Fp_center_i 18052609
cxcompotor 18204492
qfb_disc 18514489
const_vecsmall 19660656
vecpermute 20520405
nf_get_M 21161595
Flx_div_pre 21705017
RgM_shallowcopy 22161545
Fp_double 22364215
RgX_is_ZX 22417570
gmulgs 22505364
nf_get_r1 22884202
ZV_isscalar 23092113
Fp_inv 23399599
get_Flx_mod 25597521
pr_get_f 26036381
RgX_equal_var 26880632
shallowcopy 27635454
mkqfb 28079885
zerovec 28455354
Fp_neg 30885531
modpr_get_pr 31231247
hash_str_len 31540464
RgV_is_ZV 32159674
submulii 32847018
mkmat2 33649638
RgC_gtofp 34012073
const_vec 34463018
zero_zv 36732544
polx_Flx 37821457
lincombii 38201428
znstar_get_N 38653757
closure_is_variadic 40152569
mkfrac 41626829
zeropol 42358577
powii 43176670
is_vec_t 43944409
absfrac 46627911
guncloneNULL 48157530
pr_get_tau 48861517
mkmat22 50269422
ell_is_inf 52483455
QV_isscalar 54380373
pol1_Flx 55053116
zero_Flv 59493104
addmuliu_inplace 59694920
submuliu_inplace 60188053
F2x_copy 60431009
gtodouble 60767654
is_real_t 62657903
qfb_is_qfi 62956419
Fp_sqr 64743539
Fp_mulu 66580976
get_Flx_var 68351789
mkvec 71130179
nf_get_degree 71323207
Fp_center 77211167
vecsmallpermute 78732744
rowslice 79343022
sqrtr 80275590
perm_mul 80928340
get_Flx_degree 81903503
Fp_red 82080525
pol_0 82998074
gtos 85833227
is_noncalc_t 85860126
cxnorm 90889746
mkcomplex 91610056
pr_get_p 91689448
dbllog2r 93990640
nf_get_pol 98020078
F2v_set 101404208
vecsmalltrunc_append 101514547
cgiv 102100359
RgX_copy 103402177
pol0_Flx 103512438
mkvecsmall3 104066325
prec2nbits 105652652
vecsmall_prefixcmp 108088071
gc_all 109983073
F2x_renormalize 115203803
mkvec3 116770274
zerocol 122276760
gaddgs 123247438
both_odd 123929514
gmulgu 124184361
F2x_set 124757767
nchar2nlong 127376928
mkvecsmall 131675353
equalim1 139504054
bit_prec 143000525
FpX_renormalize 144577300
ZX_renormalize 154863215
mkcol2 156870784
nbrows 157445023
uutoQ 159002008
leading_coeff 170554640
Flx_copy 173763061
Fp_add 181695119
mkvec2 184374890
nbits2prec 187596332
vecsmalltrunc_init 189159089
Fp_mul 201118151
Fp_sub 203576962
mkvecsmall2 233672440
gtofp 254215019
gc_GEN 256105279
lg_increase 313002392
closure_get_data 321259924
closure_get_oper 321282535
closure_codestr 321306704
is_universal_constant 325709805
lgcols 350186200
closure_arity 371149496
is_scalar_t 375818992
bin_copy 497212347
pari_free 510535433
is_bigint 562554515
leafcopy_avma 577331203
vecslice 656251347
is_matvec_t 660197848
F2v_coeff 661326135
F2x_coeff 667953559
pari_malloc 746462093
pari_stack_new 924661111
GENbinbase 964119430
pari_stack_alloc 1019282117
pari_stack_base 1024647431
gc_leaf 1131033723
equali1 1303325104
nbits2extraprec 1497838284
gc_upto 1954837489
odd 2085249896
is_pm1 2200879897
lgpol 2679323764
isintzero 2837850985
bit_accuracy 3163844347
gc_INT 4108809514
prec2lg 4512740969
is_const_t 4920915168
degpol 5494344998
icopy_avma 8040892977
remsBIL 8076622688
divsBIL 8167124315
isonstack 8263929312
is_recursive_t 9323081886

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