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 30504-e6f76a2795) Lines: 1419 1532 92.6 %
Date: 2025-09-29 09:23:05 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 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
pari_err_DOMAIN 2841
rnf_get_ramified_primes 2849
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 3885
gchar_get_evalprec 4011
gchar_get_modP 4095
FqX_normalize 4123
nf_get_r2 4154
gchar_get_u0 4252
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 8372
prec2ndec 9778
cgetalloc 10166
gchar_get_Ui 10983
vec_shorten 11557
vectrunc_append_batch 12306
ZX_equal1 12711
R_abs_shallow 13097
gchar_get_nfprec 13468
closure_get_dbg 13621
zx_renormalize 14049
pari_err_TYPE 15398
gal_get_gen 15449
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 18946
FqX_halve 19411
pari_err_INV 20018
FpXY_Fq_evaly 20587
rnf_get_nfdegree 21455
FqX_mulu 21942
nf_get_Tr 22081
gtomp 22428
FqXQ_mul 22766
RgM_fpnorml2 22780
ZV_dvd 23485
gal_get_mod 23772
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25859
nfV_to_scalar_or_alg 26300
gal_get_den 27874
gal_get_invvdm 27881
absfrac_shallow 28237
zerovec_block 28947
gequalgs 29176
gener_Fq_local 29932
gal_get_roots 32753
gchar_get_basis 32816
F2xqX_div 33173
ndec2prec 33195
mkcolcopy 33506
Qtoss 35322
gal_get_pol 36337
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37051
gchar_get_nc 37261
FqX_rem 37743
F2v_to_F2x 37907
FqX_div 38544
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41465
znstar_get_Ui 46788
pari_calloc 47671
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50519
get_FpXQX_var 51630
locs_get_cyc 52136
div_content 58476
RgX_fpnorml2 61608
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 77119
gal_get_group 80394
mkcol3 88314
gtou 98302
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108848
zeromat 109165
RgV_isin 110130
RgV_isin_i 110130
mkvec2copy 114573
Q_abs_shallow 120227
mkmatcopy 122211
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138526
zeroser 138824
RgV_is_QV 140762
FqX_factor 141051
get_FpXQX_mod 146583
FlxqX_div_pre 165410
znstar_get_U 176107
rowslicepermute 184820
vecsmall_prepend 186991
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200500
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220414
mkcol6 232589
ellR_get_prec 232750
zero_Flm_copy 235912
gchar_get_nf 243932
Fp_halve 247348
affc_fixlg 249594
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277496
gchar_get_zm 281911
bnf_get_tuN 283003
bnf_get_fu_nocheck 289080
bnf_get_tuU 303580
nf_get_G 303595
vec_prepend 313990
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 333153
cxtoreal 337180
upr_norm 346136
RgX_renormalize 349807
abgrp_get_no 355189
ZM_hnfrem 363866
FqX_mul 367815
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384892
RgX_is_QX 400115
perm_conj 418299
FqX_Fq_mul 427285
FqX_extgcd 445047
Z_issquare 458926
nf_get_disc 463863
precdbl 475481
RgX_shift_inplace 479399
RgX_shift_inplace_init 479399
zv_to_ZV 503010
vecsmall_to_vec 511585
nf_get_sign 519551
mkvec3s 524441
gdivsg 531335
addmuliu 541092
FqX_Fp_mul 572114
prec2nbits_mul 581138
vecsmall_ei 584694
ZM_ZV_mod 596613
RgC_fpnorml2 622074
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698152
coltrunc_init 740250
logint 755036
gcmpgs 761915
row 764006
rnf_get_nf 786030
ellff_get_a4a6 800032
zero_F2m_copy 845109
FpXX_renormalize 849896
zeropadic 855589
gmin_shallow 876303
affgr 898768
ZXQ_sqr 961079
cgetc 975625
Flx_lead 979730
polx_F2x 1078604
pr_norm 1088578
sstoQ 1097215
Fp_invsafe 1100364
Flx_mulu 1105222
vecsmall_max 1164635
mkfracss 1209563
RgV_isscalar 1210305
gen_I 1269766
RgX_is_monomial 1331260
mkoo 1331960
bnf_get_sunits 1367778
bnr_get_nf 1368121
guncloneNULL_deep 1387070
rnf_get_absdegree 1392746
zero_Flx 1426982
constant_coeff 1441486
Rg_col_ei 1451303
inf_get_sign 1453090
vecsmall_concat 1464417
nf_get_varn 1503579
bid_get_mod 1521922
F2m_flip 1554224
F2v_flip 1554224
F2x_flip 1554224
F2x_div 1570368
uutoQ 1600142
nf_get_roots 1627835
bnf_get_gen 1680311
vec_ei 1714639
ulogint 1718779
gsubgs 1727482
mkvecsmall5 1730609
nf_get_roundG 1746623
abgrp_get_gen 1765023
ellinf 1868470
modpr_get_p 1888432
killblock 1902196
get_F2x_degree 1929034
Flx_div 1999013
ellnf_get_nf 2027593
ellff_get_field 2036865
bnr_get_bid 2045867
ell_get_j 2126227
bid_get_MOD 2157263
bid_get_sprk 2157989
ZXQ_mul 2162046
pari_realloc_ip 2180139
zv_copy 2184160
bid_get_fact2 2201581
gc_slice 2204952
pol_xn 2249927
bid_get_archp 2397094
bid_get_fact 2498907
get_F2x_mod 2499215
rnf_get_degree 2506307
bnr_get_cyc 2522353
get_F2x_var 2534140
ell_get_b4 2549033
Flv_copy 2555420
mul_content 2654084
RgX_coeff 2669371
vecslicepermute 2689853
hash_str 2753015
cyc_get_expo 2757783
perm_inv 2782809
sqrtnr 2807259
bnr_get_clgp 2830031
zero_Flm 2830111
rnf_get_pol 2845157
znstar_get_pe 2868790
F2x_equal1 2874085
bnf_get_logfu 2874717
gisdouble 2987936
mkpolmod 3105020
Fq_red 3106283
bit_accuracy_mul 3175436
ZV_to_zv 3211415
identity_perm 3242430
F3m_coeff 3256661
identity_zv 3266780
znstar_get_conreygen 3289889
ell_get_b8 3297414
get_FpX_mod 3394344
vec_append 3465586
zero_F2v 3648081
bid_get_U 3680241
bnf_get_cyc 3686065
nf_get_index 3711303
bnr_get_bnf 3750905
pol_1 3756327
pol_x 3856750
ell_get_b6 3861932
mulsubii 3881096
pol1_F2x 3957656
vec_to_vecsmall 4036833
vecsmall_append 4111359
sqrfrac 4148019
vecsmall_copy 4404172
mkcol2s 4416244
F2x_equal 4658102
FpXQX_renormalize 4693162
mkmat 4750703
qfb_disc3 4990779
mkfraccopy 4999003
is_rational_t 5035144
bnf_get_clgp 5374916
pari_stack_delete 5402613
nf_get_zkprimpart 5416274
nf_get_zkden 5462075
FpX_div 5581072
checkell_i 5593327
isintm1 5703985
bid_get_cyc 5739561
bid_get_grp 5804410
pari_stack_init 5835031
col_ei 5925824
get_FpX_degree 6424312
Flm_copy 6433408
sqrti 6665640
get_FpX_var 6957887
RgX_div 7000740
vecsmall_lexcmp 7043259
ell_get_a2 7105470
ZM_lll 7112330
RgX_gtofp 7147329
znstar_get_faN 7330731
ell_get_b2 7369849
ZX_is_monic 7375992
zc_to_ZC 7823640
vecsmall_to_col 7837822
znstar_get_conreycyc 7978902
F2m_coeff 8039234
Q_abs 8062699
mkintmod 8092621
ZV_ZV_mod 8131277
RgM_gtofp 8252076
Flx_equal1 8327170
gc_INT_affii 8490421
ell_get_a4 8536011
Flm_row 8742282
ell_get_a3 8813340
ell_get_a1 8996372
cxtofp 9082331
veclast 9372671
ismpzero 9583766
is_intreal_t 9583883
const_col 9729842
RgM_dimensions 9741908
nf_get_invzk 9765311
bnf_get_nf 9863707
ser_isexactzero 10079479
mkvec4 10105918
ell_get_a6 10370249
mkcol 10641026
ZC_hnfrem 10690665
mul_denom 10709672
ell_get_c4 10728667
Fp_addmul 11402836
pr_get_gen 12062093
vectrunc_init 12066250
abgrp_get_cyc 12230214
F2x_clear 12355618
F2v_clear 12355627
ell_get_type 12499393
nbits2nlong 12647047
ell_get_c6 12892036
pol0_F2x 13243722
gmax_shallow 13510220
modpr_get_T 13867604
closure_get_frame 14147548
zeromatcopy 14239940
rowpermute 14709134
Fp_div 15035082
Fp_divu 15134855
mkvec5 15184806
pr_get_e 15952771
vectrunc_append 16161070
ell_get_disc 16525532
matslice 16817302
pr_is_inert 16910174
normalize_frac 17204377
isint1 17571655
mkvecsmall4 17830860
Fp_center_i 18057380
cxcompotor 18216248
qfb_disc 18514478
const_vecsmall 19663423
vecpermute 20530004
nf_get_M 21171971
Flx_div_pre 21701445
RgM_shallowcopy 22169727
Fp_double 22389501
RgX_is_ZX 22421666
gmulgs 22498786
nf_get_r1 22892436
ZV_isscalar 23098205
Fp_inv 23437432
get_Flx_mod 25598644
pr_get_f 26040981
RgX_equal_var 26880632
shallowcopy 27640074
mkqfb 27919651
zerovec 28455349
Fp_neg 30905253
modpr_get_pr 31237705
hash_str_len 31542617
RgV_is_ZV 32164053
submulii 32847018
mkmat2 33658551
RgC_gtofp 34010242
const_vec 34468324
zero_zv 36736884
polx_Flx 37825664
lincombii 38184982
znstar_get_N 38653757
closure_is_variadic 40153132
mkfrac 41638582
zeropol 42358612
powii 43176779
is_vec_t 43964218
absfrac 46637842
guncloneNULL 48156516
pr_get_tau 48871880
mkmat22 50283381
ell_is_inf 52527519
QV_isscalar 54400916
pol1_Flx 55053673
zero_Flv 59496024
addmuliu_inplace 59696288
submuliu_inplace 60192234
F2x_copy 60426512
gtodouble 60767067
is_real_t 62657947
qfb_is_qfi 62939870
Fp_sqr 64754593
Fp_mulu 66337551
get_Flx_var 68356165
mkvec 71157902
nf_get_degree 71350094
Fp_center 77217956
vecsmallpermute 78733634
rowslice 79344811
sqrtr 80369965
perm_mul 80929074
get_Flx_degree 81783936
Fp_red 82094880
pol_0 82998297
gtos 85833221
is_noncalc_t 85861065
cxnorm 90943169
mkcomplex 91624748
pr_get_p 91708710
dbllog2r 94007397
nf_get_pol 98056435
F2v_set 101404374
vecsmalltrunc_append 101517332
cgiv 102120096
RgX_copy 103404335
pol0_Flx 103500641
mkvecsmall3 104051708
prec2nbits 105719478
vecsmall_prefixcmp 108088071
gc_all 109991991
F2x_renormalize 115150896
mkvec3 116407243
zerocol 122283947
gaddgs 123249088
both_odd 123870226
F2x_set 124727836
nchar2nlong 127389686
mkvecsmall 131663697
equalim1 139504362
bit_prec 143008154
FpX_renormalize 144588015
ZX_renormalize 155032364
mkcol2 156921145
nbrows 157467650
leading_coeff 170551054
Flx_copy 173774281
Fp_add 181658081
mkvec2 185657127
nbits2prec 187635103
vecsmalltrunc_init 191419913
Fp_mul 201141997
Fp_sub 203660233
mkvecsmall2 233636105
gtofp 254211140
gc_GEN 256187232
gmulgu 282058132
lg_increase 320256449
closure_get_data 320593292
closure_get_oper 320620809
closure_codestr 320646709
is_universal_constant 325732613
lgcols 350243093
closure_arity 370485453
is_scalar_t 375642058
bin_copy 497268784
pari_free 510588439
is_bigint 562569946
leafcopy_avma 576950656
vecslice 656325355
is_matvec_t 659166209
F2v_coeff 661329443
F2x_coeff 667905152
pari_malloc 746514458
pari_stack_new 924000903
GENbinbase 964227462
pari_stack_alloc 1018621883
pari_stack_base 1023999448
gc_leaf 1130719671
equali1 1175161572
nbits2extraprec 1498735003
gc_upto 1949535593
odd 2083651612
is_pm1 2201363518
lgpol 2677876842
isintzero 2839185423
bit_accuracy 3163182086
gc_INT 4103995954
prec2lg 4515820186
is_const_t 4889985047
degpol 5492751805
icopy_avma 8035584475
remsBIL 8081832207
divsBIL 8171478317
isonstack 8252176345
is_recursive_t 9244473949

Generated by: LCOV version 1.16