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 30622-caa25a75db) Lines: 1420 1535 92.5 %
Date: 2026-01-22 09:18:00 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
znstar_get_no 14
RgM_gtomp 21
mkvec4s 21
pari_err_CONSTPOL 21
vecsmall_indexmax 21
vecsmall_indexmin 21
pari_err_BUG 32
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 93
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 215
nbits2ndec 228
pari_err_PREC 238
pari_err_PRIORITY 245
rowsplice 264
zm_transpose 266
err_get_compo 290
pol_xnall 294
mkvec6s 301
ellQp_get_prec 308
mkcol3s 315
gchar_get_nfree 322
gchar_get_ntors 322
get_F2xqX_mod 341
rnf_get_disc 357
polxn_Flx 371
pari_err_VAR 372
sturm 384
pari_err_OP 406
pari_err_IMPL 539
vecsmall_lengthen 543
RgC_gtomp 574
rnf_get_varn 574
gchar_get_r2 623
gchar_set_HUUi 626
gchar_set_nalg 626
gchar_set_nfree 626
gchar_set_ntors 626
perm_sqr 632
bnf_get_reg 648
pari_err_DIM 719
Rg_to_Fq 756
F2m_set 798
gchar_set_m0 943
row_i 987
RgM_minor 1036
quad_disc 1085
ellQp_get_p 1134
gchar_copy_precs 1223
gchar_set_prec 1223
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 1422
ellQp_get_zero 1463
powIs 1561
gchar_set_basis 1569
gchar_set_cyc 1569
gchar_get_sfu 1726
gchar_set_evalprec 1811
mkintmodu 1813
gchar_get_nm 1869
pari_realloc 1890
RgXQX_div 1904
mkpadic 2009
gchar_get_nalg 2038
gchar_set_nf 2091
gchar_set_u0 2104
vecsmall_min 2345
vecreverse_inplace 2579
vecsmall_reverse 2800
rnf_get_ramified_primes 2843
pari_err_DOMAIN 2863
gchar_set_nfprec 2949
gchar_get_m0 3295
vecsmall_to_vec_inplace 3304
pari_err_TYPE2 3493
get_FpXQX_degree 3589
matpascal 3983
gchar_get_evalprec 4006
gchar_get_modP 4095
FqX_normalize 4128
nf_get_r2 4143
gchar_get_u0 4222
nf_get_zk 4382
nf_get_diff 4398
F2v_copy 4487
FpXQX_div 4526
rnf_get_zk 4824
rnf_get_nfvarn 4886
idealchineseinit 5427
gal_get_p 5636
pari_stack_pushp 5851
FqX_get_red 6090
gal_get_orders 6129
gval 6230
FqXn_expint 6590
is_extscalar_t 6876
pari_err_SQRTN 7084
FqXn_inv 7126
rnf_get_nfzk 7227
FqX_roots 7273
submuliu 7700
bnr_get_gen 7847
get_FlxqX_mod 7972
identity_ZV 8053
gchar_get_mod 8225
locs_get_mod 8225
FqX_gcd 8256
ndec2nbits 8270
bnf_get_no 8362
vectrunc_append_batch 9667
prec2ndec 9778
cgetalloc 10166
vec_shorten 10429
gchar_get_Ui 10959
ZX_equal1 12850
R_abs_shallow 13097
gchar_get_nfprec 13433
closure_get_dbg 13669
zx_renormalize 14049
gal_get_gen 14531
pari_err_TYPE 15386
gchar_get_cyc 16148
znstar_get_gen 16150
mkmat3 17001
zeropadic_shallow 17026
gchar_get_r1 17444
Fp_muls 17780
gchar_get_prec 18756
vec_lengthen 18957
FqX_halve 19411
pari_err_INV 20014
FpXY_Fq_evaly 20587
RgM_fpnorml2 21302
nf_get_Tr 21440
rnf_get_nfdegree 21449
FqX_mulu 21942
gtomp 22428
FqXQ_mul 22766
bnf_get_fu 22840
gal_get_mod 23110
nfV_to_scalar_or_alg 23281
ZV_dvd 23485
FqX_neg 24956
FqX_red 25354
gal_get_den 27166
gal_get_invvdm 27173
absfrac_shallow 27969
gener_Fq_local 27998
gequalgs 29176
zerovec_block 29654
gal_get_roots 31663
mkcolcopy 32518
gchar_get_basis 32758
F2xqX_div 33161
ndec2prec 33314
FqX_div 34012
gal_get_pol 35239
Qtoss 35322
gchar_get_S 36925
gchar_get_ns 36925
bid_get_arch 36962
closure_get_text 37144
gchar_get_nc 37191
F2v_to_F2x 37392
FqX_rem 37743
FqX_deriv 40061
mkcols 40411
ndec2nlong 41584
znstar_get_Ui 46788
FqX_degfact 47683
pari_calloc 47720
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50419
get_FpXQX_var 51630
locs_get_cyc 52029
div_content 55351
RgX_fpnorml2 58395
nf_get_ramified_primes 58532
RgX_is_rational 60988
err_get_num 62608
bid_get_gen 63966
FqX_sub 68607
mkquad 69118
FqX_div_by_X_x 69699
quadnorm 69881
FqX_sqr 71855
bnr_get_mod 71882
bid_get_ideal 72834
Fq_to_FpXQ 73652
vecsmall_shorten 74971
gal_get_group 79772
mkcol3 88314
gtou 99537
cyclic_perm 99911
mkmoo 99991
zeromat 101765
mkcol4 103467
zv_to_zx 104146
RgV_isin 110144
RgV_isin_i 110144
mkmatcopy 110548
mkvec2copy 111655
Q_abs_shallow 117951
mkveccopy 122521
RgXQX_rem 127559
FqX_add 127694
RgV_is_QV 135181
idealred 135184
rnf_get_map 135647
zeroser 138908
FqX_factor 139705
get_FpXQX_mod 146583
FlxqX_div_pre 148240
znstar_get_U 176107
rowslicepermute 176594
F2m_copy 179219
vecsmall_prepend 186674
gchar_get_DLdata 190664
locs_get_Lsprk 193878
get_F2xqX_degree 200841
rowcopy 204988
gchar_get_bnf 205324
mkmat22s 207578
locs_get_m_infty 209418
mkvec2s 213258
zero_Flm_copy 226509
mkcol6 232470
ellR_get_prec 232750
gchar_get_nf 243829
Fp_halve 247271
affc_fixlg 249618
bnr_get_no 252249
bnf_get_tuN 253036
rnf_get_nfpol 255354
bnf_get_fu_nocheck 255902
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264059
bnf_get_tuU 270366
gchar_get_zm 281769
nf_get_G 282572
vec_prepend 285613
get_FlxqX_degree 317195
Flx_constant 326605
rnf_get_polabs 327193
abgrp_get_no 329700
ZM_hnfrem 332711
cxtoreal 337203
upr_norm 338272
FqX_mul 344575
RgX_renormalize 349807
ellR_get_sign 371535
get_F2xqX_var 375365
vecsplice 379457
FqX_Fq_mul 383653
RgX_is_QX 392102
FqX_extgcd 410135
perm_conj 418287
nf_get_disc 418476
Z_issquare 454492
precdbl 456657
RgX_shift_inplace 479070
RgX_shift_inplace_init 479070
zv_to_ZV 502006
vecsmall_to_vec 510805
nf_get_sign 513485
mkvec3s 524441
gdivsg 529508
addmuliu 535943
FqX_Fp_mul 541157
ZM_ZV_mod 548335
vecsmall_ei 572645
RgC_fpnorml2 577393
prec2nbits_mul 581163
FqX_is_squarefree 683802
vecreverse 697276
mkrfrac 697355
logint 739948
gcmpgs 740201
coltrunc_init 740250
row 759489
zero_F2m_copy 782701
rnf_get_nf 784342
ellff_get_a4a6 800028
gmin_shallow 803235
FpXX_renormalize 849578
zeropadic 855745
affgr 898901
ZXQ_sqr 938815
Flx_lead 961521
cgetc 973371
pr_norm 1030234
Fp_invsafe 1042775
polx_F2x 1045305
sstoQ 1097215
Flx_mulu 1103959
vecsmall_max 1154286
RgV_isscalar 1198126
mkfracss 1209563
gen_I 1248821
mkoo 1299241
RgX_is_monomial 1319316
bnr_get_nf 1336237
bnf_get_sunits 1340578
Rg_col_ei 1372892
constant_coeff 1389280
rnf_get_absdegree 1392746
zero_Flx 1406282
inf_get_sign 1411489
vecsmall_concat 1420918
guncloneNULL_deep 1446004
nf_get_varn 1450070
bid_get_mod 1514753
F2x_div 1527652
nf_get_roots 1537650
F2m_flip 1549598
F2v_flip 1549598
F2x_flip 1549598
uutoQ 1600198
vec_ei 1604294
bnf_get_gen 1626082
mkvecsmall5 1689365
nf_get_roundG 1709400
abgrp_get_gen 1710489
ulogint 1715578
gsubgs 1721630
Flx_div 1775265
ellinf 1869933
modpr_get_p 1878988
killblock 1922084
get_F2x_degree 1926301
bnr_get_bid 1994493
ellnf_get_nf 2027236
ellff_get_field 2036857
gc_slice 2076961
bid_get_MOD 2088304
bid_get_sprk 2089038
ZXQ_mul 2110046
ell_get_j 2126269
bid_get_fact2 2128047
zv_copy 2183734
pol_xn 2190878
pari_realloc_ip 2220960
bid_get_archp 2302897
bid_get_fact 2397355
bnr_get_cyc 2435360
get_F2x_mod 2495377
rnf_get_degree 2506329
get_F2x_var 2511135
mul_content 2545504
ell_get_b4 2550216
Flv_copy 2550620
vecslicepermute 2613929
RgX_coeff 2669861
cyc_get_expo 2677039
perm_inv 2712181
bnr_get_clgp 2717699
sqrtnr 2742384
zero_Flm 2748847
hash_str 2758762
bnf_get_logfu 2801881
gisdouble 2813800
rnf_get_pol 2845186
F2x_equal1 2861924
znstar_get_pe 2869063
mkpolmod 3085749
Fq_red 3097838
vec_append 3138176
F3m_coeff 3143922
identity_perm 3146186
identity_zv 3167416
bit_accuracy_mul 3175484
ZV_to_zv 3202377
znstar_get_conreygen 3290176
ell_get_b8 3297414
get_FpX_mod 3323157
zero_F2v 3430543
nf_get_index 3569108
bid_get_U 3604114
bnf_get_cyc 3617982
bnr_get_bnf 3632466
pol_1 3636239
pol_x 3660170
mulsubii 3726454
ell_get_b6 3863115
vec_to_vecsmall 3918779
pol1_F2x 3920865
vecsmall_append 4069731
sqrfrac 4109804
vecsmall_copy 4152315
FpXQX_renormalize 4304613
mkcol2s 4416244
F2x_equal 4652778
mkmat 4660119
is_rational_t 4903032
mkfraccopy 4951753
qfb_disc3 4956895
FpX_div 5215859
nf_get_zkprimpart 5245239
bnf_get_clgp 5252608
nf_get_zkden 5285486
isintm1 5575870
col_ei 5584676
checkell_i 5593196
bid_get_cyc 5605191
pari_stack_delete 5631712
bid_get_grp 5669738
pari_stack_init 6040566
Flm_copy 6065356
get_FpX_degree 6120264
sqrti 6444164
get_FpX_var 6640930
RgX_gtofp 6815099
vecsmall_lexcmp 6936341
ZM_lll 6976905
RgX_div 7000059
ell_get_a2 7106182
ZX_is_monic 7285124
znstar_get_faN 7331711
ell_get_b2 7371027
zc_to_ZC 7705654
vecsmall_to_col 7719587
ZV_ZV_mod 7879543
F2m_coeff 7888426
znstar_get_conreycyc 7979693
Q_abs 8001485
mkintmod 8088730
Flx_equal1 8116649
RgM_gtofp 8139276
gc_INT_affii 8306023
Flm_row 8483402
ell_get_a4 8536723
cxtofp 8547328
ell_get_a3 8814047
ell_get_a1 8997078
ismpzero 9190725
is_intreal_t 9190834
veclast 9309605
RgM_dimensions 9418897
nf_get_invzk 9450598
bnf_get_nf 9647166
const_col 9672049
mkvec4 10108745
ser_isexactzero 10120284
ZC_hnfrem 10325848
mkcol 10368603
ell_get_a6 10370961
mul_denom 10506541
ell_get_c4 11017266
Fp_addmul 11043542
pr_get_gen 11573583
F2v_clear 11655039
F2x_clear 11655041
vectrunc_init 11686223
abgrp_get_cyc 11940798
nbits2nlong 12331626
ell_get_type 12498687
pol0_F2x 13201903
ell_get_c6 13473699
gmax_shallow 13507872
modpr_get_T 13681136
zeromatcopy 13915595
closure_get_frame 14253093
rowpermute 14276251
mkvec5 14964214
Fp_div 15033893
Fp_divu 15120013
vectrunc_append 15710314
pr_get_e 15742519
matslice 16503192
pr_is_inert 16679036
ell_get_disc 16813603
normalize_frac 17110990
Fp_center_i 17112802
cxcompotor 17146495
isint1 17375601
qfb_disc 18502119
mkvecsmall4 18534782
const_vecsmall 19081439
vecpermute 20059490
Flx_div_pre 20325594
Fp_double 20819991
RgM_shallowcopy 21264098
nf_get_M 21364539
RgX_is_ZX 21900571
gmulgs 22126249
Fp_inv 22943390
nf_get_r1 23021861
ZV_isscalar 23311756
get_Flx_mod 24074736
pr_get_f 25424299
RgX_equal_var 26880983
shallowcopy 27053869
mkqfb 27851528
zerovec 28143888
modpr_get_pr 30918654
Fp_neg 31182779
hash_str_len 31367350
submulii 31982591
RgV_is_ZV 32124023
const_vec 32704817
mkmat2 33321193
RgC_gtofp 33395858
polx_Flx 35865032
zero_zv 36082708
lincombii 37017099
znstar_get_N 38655073
mkfrac 41506721
zeropol 42344466
powii 43089605
is_vec_t 43864906
closure_is_variadic 45436427
absfrac 46339287
guncloneNULL 47533097
pr_get_tau 48344409
mkmat22 49901908
pol1_Flx 51714771
ell_is_inf 52336573
QV_isscalar 53434528
addmuliu_inplace 58056440
zero_Flv 58508086
submuliu_inplace 58523898
gtodouble 58539664
F2x_copy 60313211
is_real_t 62049112
qfb_is_qfi 62328425
Fp_sqr 63433149
get_Flx_var 64185091
Fp_mulu 67512763
nf_get_degree 69857041
mkvec 70582667
Fp_center 75943128
vecsmallpermute 76896257
rowslice 77392231
sqrtr 78061523
get_Flx_degree 78341309
perm_mul 78979166
Fp_red 81226124
pol_0 82897341
is_noncalc_t 85685470
gtos 85854408
mkcomplex 87102872
cxnorm 87889111
dbllog2r 90233759
pr_get_p 90722428
nf_get_pol 95759276
pol0_Flx 100245180
vecsmalltrunc_append 100700259
F2v_set 100801726
cgiv 100917169
mkvecsmall3 101752741
prec2nbits 102470682
RgX_copy 103122050
vecsmall_prefixcmp 108088071
gc_all 108463827
F2x_renormalize 114809663
mkvec3 116972743
zerocol 118230001
both_odd 120829390
gaddgs 123244970
F2x_set 124067998
nchar2nlong 124494941
mkvecsmall 127640321
bit_prec 138430299
equalim1 139416543
FpX_renormalize 141453194
ZX_renormalize 147654907
nbrows 152394461
mkcol2 155477213
leading_coeff 166969377
Flx_copy 167139541
Fp_add 180861229
mkvec2 181307549
nbits2prec 181439154
vecsmalltrunc_init 188524806
Fp_mul 198761709
Fp_sub 202247443
mkvecsmall2 229451653
gtofp 247859427
gc_GEN 249056228
gmulgu 282059288
lg_increase 313843123
closure_get_data 321237997
closure_get_oper 321256570
closure_codestr 321278154
is_universal_constant 325790290
lgcols 342234706
closure_arity 371236825
is_scalar_t 373586371
bin_copy 486307555
pari_free 499675572
leafcopy_avma 558144080
is_bigint 560621060
vecslice 647023737
is_matvec_t 654784938
F2v_coeff 658662894
F2x_coeff 665182332
pari_malloc 734525018
pari_stack_new 922574242
GENbinbase 942417784
pari_stack_alloc 1017355857
pari_stack_base 1022944669
gc_leaf 1112549600
equali1 1165274858
nbits2extraprec 1438828521
gc_upto 1917489328
odd 2085638619
is_pm1 2169253552
lgpol 2614465088
isintzero 2787735083
bit_accuracy 3103545523
gc_INT 4059034017
prec2lg 4395709499
is_const_t 4812432944
degpol 5328367349
remsBIL 7891967793
icopy_avma 7952945986
divsBIL 7979978413
isonstack 8156275858
is_recursive_t 9018042796

Generated by: LCOV version 1.16