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
F2m_coeff 8039234
F2m_copy 200500
F2m_flip 1554224
F2m_set 798
F2v_clear 12355627
F2v_coeff 661329443
F2v_copy 4487
F2v_ei 42
F2v_flip 1554224
F2v_set 101404374
F2v_to_F2x 37907
F2xX_shift 0
F2x_clear 12355618
F2x_coeff 667905152
F2x_copy 60426512
F2x_div 1570368
F2x_equal 4658102
F2x_equal1 2874085
F2x_flip 1554224
F2x_renormalize 115150896
F2x_set 124727836
F2xqX_div 33173
F3m_coeff 3256661
F3m_copy 0
F3m_set 0
Flm_copy 6433408
Flm_row 8742282
Flv_copy 2555420
Flx_constant 333153
Flx_copy 173774281
Flx_div 1999013
Flx_div_pre 21701445
Flx_equal1 8327170
Flx_lead 979730
Flx_mulu 1105222
FlxqX_div 0
FlxqX_div_pre 165410
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693162
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5581072
FpX_renormalize 144588015
Fp_add 181658081
Fp_addmul 11402836
Fp_center 77217956
Fp_center_i 18057380
Fp_div 15035082
Fp_divu 15134855
Fp_double 22389501
Fp_halve 247348
Fp_inv 23437432
Fp_invsafe 1100364
Fp_mul 201141997
Fp_muls 17780
Fp_mulu 66337551
Fp_neg 30905253
Fp_red 82094880
Fp_sqr 64754593
Fp_sub 203660233
FqXQ_add 0
FqXQ_div 0
FqXQ_inv 0
FqXQ_invsafe 0
FqXQ_mul 22766
FqXQ_pow 0
FqXQ_sqr 0
FqXQ_sub 0
FqX_Fp_mul 572114
FqX_Fq_mul 427285
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38544
FqX_div_by_X_x 69629
FqX_divrem 0
FqX_extgcd 445047
FqX_factor 141051
FqX_factor_squarefree 7
FqX_gcd 8246
FqX_get_red 6090
FqX_halfgcd 0
FqX_halve 19411
FqX_integ 0
FqX_is_squarefree 683802
FqX_mul 367815
FqX_mulu 21942
FqX_neg 24956
FqX_normalize 4123
FqX_powu 1295
FqX_red 25354
FqX_rem 37743
FqX_roots 7273
FqX_sqr 71855
FqX_sub 68607
FqX_to_mod 175
FqXn_exp 0
FqXn_expint 6590
FqXn_inv 7126
FqXn_mul 263403
FqXn_sqr 0
Fq_red 3106283
Fq_to_FpXQ 73792
GENbinbase 964227462
QV_isscalar 54400916
Q_abs 8062699
Q_abs_shallow 120227
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622074
RgC_gtofp 34010242
RgC_gtomp 574
RgM_dimensions 9741908
RgM_fpnorml2 22780
RgM_gtofp 8252076
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22169727
RgV_gtofp 56
RgV_is_QV 140762
RgV_is_ZV 32164053
RgV_isin 110130
RgV_isin_i 110130
RgV_isscalar 1210305
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669371
RgX_copy 103404335
RgX_div 7000740
RgX_equal_var 26880632
RgX_fpnorml2 61608
RgX_gtofp 7147329
RgX_is_QX 400115
RgX_is_ZX 22421666
RgX_is_monomial 1331260
RgX_is_rational 68304
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479399
RgX_shift_inplace_init 479399
RgX_to_RgV 140
Rg_col_ei 1451303
Rg_to_Fq 756
ZC_hnfrem 10690665
ZM_ZV_mod 596613
ZM_hnfrem 363866
ZM_lll 7112330
ZV_ZV_mod 8131277
ZV_dvd 23485
ZV_isscalar 23098205
ZV_to_zv 3211415
ZXQ_mul 2162046
ZXQ_sqr 961079
ZX_equal1 12711
ZX_is_monic 7375992
ZX_renormalize 155032364
Z_ispower 98
Z_issquare 458926
abgrp_get_cyc 12230214
abgrp_get_gen 1765023
abgrp_get_no 355189
absfrac 46637842
absfrac_shallow 28237
addmuliu 541092
addmuliu_inplace 59696288
affc_fixlg 249594
affgr 898768
bid_get_MOD 2157263
bid_get_U 3680241
bid_get_arch 41188
bid_get_archp 2397094
bid_get_cyc 5739561
bid_get_fact 2498907
bid_get_fact2 2201581
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804410
bid_get_ideal 72842
bid_get_mod 1521922
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157989
bin_copy 497268784
bit_accuracy 3163182086
bit_accuracy_mul 3175436
bit_prec 143008154
bnf_get_clgp 5374916
bnf_get_cyc 3686065
bnf_get_fu 25859
bnf_get_fu_nocheck 289080
bnf_get_gen 1680311
bnf_get_logfu 2874717
bnf_get_nf 9863707
bnf_get_no 8372
bnf_get_reg 648
bnf_get_sunits 1367778
bnf_get_tuN 283003
bnf_get_tuU 303580
bnr_get_bid 2045867
bnr_get_bnf 3750905
bnr_get_clgp 2830031
bnr_get_cyc 2522353
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77119
bnr_get_nf 1368121
bnr_get_no 277496
both_odd 123870226
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975625
cgiv 102120096
checkell_i 5593327
closure_arity 370485453
closure_codestr 320646709
closure_get_code 0
closure_get_data 320593292
closure_get_dbg 13621
closure_get_frame 14147548
closure_get_oper 320620809
closure_get_text 37051
closure_is_variadic 40153132
col_ei 5925824
coltrunc_init 740250
const_col 9729842
const_vec 34468324
const_vecsmall 19663423
constant_coeff 1441486
cxcompotor 18216248
cxnorm 90943169
cxtofp 9082331
cxtoreal 337180
cyc_get_expo 2757783
cyclic_perm 99911
dbllog2r 94007397
degpol 5492751805
div_content 58476
divsBIL 8171478317
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8996372
ell_get_a2 7105470
ell_get_a3 8813340
ell_get_a4 8536011
ell_get_a6 10370249
ell_get_b2 7369849
ell_get_b4 2549033
ell_get_b6 3861932
ell_get_b8 3297414
ell_get_c4 10728667
ell_get_c6 12892036
ell_get_disc 16525532
ell_get_j 2126227
ell_get_type 12499393
ell_is_inf 52527519
ellff_get_a4a6 800032
ellff_get_field 2036865
ellinf 1868470
ellnf_get_bnf 126
ellnf_get_nf 2027593
equali1 1175161572
equalim1 139504362
err_get_compo 294
err_get_num 62529
gaddgs 123249088
gal_get_den 27874
gal_get_e 91
gal_get_gen 15449
gal_get_group 80394
gal_get_invvdm 27881
gal_get_mod 23772
gal_get_orders 6678
gal_get_p 6020
gal_get_pol 36337
gal_get_roots 32753
gc_GEN 256187232
gc_INT 4103995954
gc_INT_affii 8490421
gc_all 109991991
gc_leaf 1130719671
gc_slice 2204952
gc_upto 1949535593
gchar_copy_precs 1225
gchar_get_DLdata 190673
gchar_get_S 36995
gchar_get_U 0
gchar_get_Ui 10983
gchar_get_basis 32816
gchar_get_bnf 205373
gchar_get_cyc 16177
gchar_get_evalprec 4011
gchar_get_hnf 0
gchar_get_loccyc 50519
gchar_get_m0 3318
gchar_get_mod 8225
gchar_get_modP 4095
gchar_get_nalg 2044
gchar_get_nc 37261
gchar_get_nf 243932
gchar_get_nfprec 13468
gchar_get_nfree 322
gchar_get_nm 1869
gchar_get_ns 36995
gchar_get_ntors 322
gchar_get_prec 18795
gchar_get_r1 17444
gchar_get_r2 623
gchar_get_sfu 1743
gchar_get_u0 4252
gchar_get_zm 281911
gchar_set_HUUi 630
gchar_set_basis 1575
gchar_set_cyc 1575
gchar_set_evalprec 1813
gchar_set_m0 945
gchar_set_nalg 630
gchar_set_nf 2110
gchar_set_nfprec 2968
gchar_set_nfree 630
gchar_set_ntors 630
gchar_set_prec 1225
gchar_set_u0 2121
gcmpgs 761915
gdivsg 531335
gen_I 1269766
gener_Fq_local 29932
gequalgs 29176
get_F2x_degree 1929034
get_F2x_mod 2499215
get_F2x_var 2534140
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 81783936
get_Flx_mod 25598644
get_Flx_var 68356165
get_FlxqX_degree 317565
get_FlxqX_mod 8033
get_FlxqX_var 264420
get_FpXQX_degree 3589
get_FpXQX_mod 146583
get_FpXQX_var 51630
get_FpX_degree 6424312
get_FpX_mod 3394344
get_FpX_var 6957887
gisdouble 2987936
gmax_shallow 13510220
gmaxsg 0
gmin_shallow 876303
gminsg 0
gmulgs 22498786
gmulgu 282058132
gsubgs 1727482
gtodouble 60767067
gtofp 254211140
gtomp 22428
gtos 85833221
gtou 98302
guncloneNULL 48156516
guncloneNULL_deep 1387070
gval 5824
hash_str 2753015
hash_str_len 31542617
icopy_avma 8035584475
idealchineseinit 5427
idealred 138526
identity_ZV 8113
identity_perm 3242430
identity_zv 3266780
inf_get_sign 1453090
inv_content 0
is_bigint 562569946
is_const_t 4889985047
is_extscalar_t 6876
is_intreal_t 9583883
is_matvec_t 659166209
is_noncalc_t 85861065
is_pm1 2201363518
is_qfb_t 0
is_rational_t 5035144
is_real_t 62657947
is_recursive_t 9244473949
is_scalar_t 375642058
is_universal_constant 325732613
is_vec_t 43964218
isint1 17571655
isintm1 5703985
isintzero 2839185423
ismpzero 9583766
isonstack 8252176345
killblock 1902196
leading_coeff 170551054
leafcopy_avma 576950656
lg_increase 320256449
lgcols 350243093
lgpol 2677876842
lincombii 38184982
locs_get_Lgenfil 1288
locs_get_Lsprk 193935
locs_get_cyc 52136
locs_get_famod 1288
locs_get_m_infty 209475
locs_get_mod 8225
logint 755036
matpascal 3885
matslice 16817302
mkcol 10641026
mkcol2 156921145
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33506
mkcols 40411
mkcomplex 91624748
mkerr 0
mkfrac 41638582
mkfraccopy 4999003
mkfracss 1209563
mkintmod 8092621
mkintmodu 1813
mkmat 4750703
mkmat2 33658551
mkmat22 50283381
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122211
mkmoo 108848
mkoo 1331960
mkpadic 2009
mkpolmod 3105020
mkqfb 27919651
mkquad 69118
mkrfrac 698152
mkrfraccopy 14
mkvec 71157902
mkvec2 185657127
mkvec2copy 114573
mkvec2s 220414
mkvec3 116407243
mkvec3s 524441
mkvec4 10105918
mkvec4s 21
mkvec5 15184806
mkveccopy 122521
mkvecs 168
mkvecsmall 131663697
mkvecsmall2 233636105
mkvecsmall3 104051708
mkvecsmall4 17830860
mkvecsmall5 1730609
modpr_get_T 13867604
modpr_get_p 1888432
modpr_get_pr 31237705
mul_content 2654084
mul_denom 10709672
mulsubii 3881096
nbits2extraprec 1498735003
nbits2ndec 228
nbits2nlong 12647047
nbits2prec 187635103
nbrows 157467650
nchar2nlong 127389686
ndec2nbits 8270
ndec2nlong 41465
ndec2prec 33195
nfV_to_scalar_or_alg 26300
nf_get_G 303595
nf_get_M 21171971
nf_get_Tr 22081
nf_get_degree 71350094
nf_get_diff 4438
nf_get_disc 463863
nf_get_index 3711303
nf_get_invzk 9765311
nf_get_pol 98056435
nf_get_r1 22892436
nf_get_r2 4154
nf_get_ramified_primes 64813
nf_get_roots 1627835
nf_get_roundG 1746623
nf_get_sign 519551
nf_get_varn 1503579
nf_get_zk 4382
nf_get_zkden 5462075
nf_get_zkprimpart 5416274
normalize_frac 17204377
odd 2083651612
pari_calloc 47671
pari_err_BUG 14
pari_err_COMPONENT 214
pari_err_CONSTPOL 21
pari_err_COPRIME 84
pari_err_DIM 718
pari_err_DOMAIN 2841
pari_err_FILE 0
pari_err_FILEDESC 36
pari_err_FLAG 98
pari_err_IMPL 539
pari_err_INV 20018
pari_err_IRREDPOL 63
pari_err_MAXPRIME 0
pari_err_MODULUS 1316
pari_err_OP 406
pari_err_OVERFLOW 156
pari_err_PACKAGE 0
pari_err_PREC 238
pari_err_PRIME 98
pari_err_PRIORITY 238
pari_err_ROOTS0 63
pari_err_SQRTN 7084
pari_err_TYPE 15398
pari_err_TYPE2 3493
pari_err_VAR 371
pari_free 510588439
pari_malloc 746514458
pari_realloc 1890
pari_realloc_ip 2180139
pari_stack_alloc 1018621883
pari_stack_base 1023999448
pari_stack_delete 5402613
pari_stack_init 5835031
pari_stack_new 924000903
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782809
perm_mul 80929074
perm_sqr 728
pol0_F2x 13243722
pol0_Flx 103500641
pol1_F2x 3957656
pol1_Flx 55053673
pol_0 82998297
pol_1 3756327
pol_x 3856750
pol_xn 2249927
pol_xnall 294
polx_F2x 1078604
polx_Flx 37825664
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43176779
pr_get_e 15952771
pr_get_f 26040981
pr_get_gen 12062093
pr_get_p 91708710
pr_get_tau 48871880
pr_is_inert 16910174
pr_norm 1088578
prec2lg 4515820186
prec2nbits 105719478
prec2nbits_mul 581138
prec2ndec 9778
precdbl 475481
qfb_disc 18514478
qfb_disc3 4990779
qfb_is_qfi 62939870
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8081832207
rnf_get_absdegree 1392746
rnf_get_alpha 1428
rnf_get_degree 2506307
rnf_get_disc 350
rnf_get_idealdisc 1386
rnf_get_index 105
rnf_get_invzk 1225
rnf_get_k 1225
rnf_get_map 135659
rnf_get_nf 786030
rnf_get_nfdegree 21455
rnf_get_nfpol 255354
rnf_get_nfvarn 4886
rnf_get_nfzk 7245
rnf_get_pol 2845157
rnf_get_polabs 327628
rnf_get_ramified_primes 2849
rnf_get_varn 574
rnf_get_zk 4830
row 764006
row_i 987
rowcopy 204988
rowpermute 14709134
rowslice 79344811
rowslicepermute 184820
rowsplice 273
ser_isexactzero 10079479
shallowcopy 27640074
sqrfrac 4148019
sqrti 6665640
sqrtnr 2807259
sqrtr 80369965
sstoQ 1097215
sturm 385
submulii 32847018
submuliu 7742
submuliu_inplace 60192234
truecoef 0
trunc_safe 0
ulogint 1718779
upr_norm 346136
uutoQ 1600142
vec_append 3465586
vec_ei 1714639
vec_lengthen 18946
vec_prepend 313990
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036833
veclast 9372671
vecmodii 0
vecmoduu 49784
vecpermute 20530004
vecreverse 697235
vecreverse_inplace 2605
vecslice 656325355
vecslicepermute 2689853
vecsmall_append 4111359
vecsmall_coincidence 0
vecsmall_concat 1464417
vecsmall_copy 4404172
vecsmall_ei 584694
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043259
vecsmall_max 1164635
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186991
vecsmall_reverse 3052
vecsmall_shorten 74576
vecsmall_to_col 7837822
vecsmall_to_vec 511585
vecsmall_to_vec_inplace 3304
vecsmallpermute 78733634
vecsmalltrunc_append 101517332
vecsmalltrunc_init 191419913
vecsplice 384892
vectrunc_append 16161070
vectrunc_append_batch 12306
vectrunc_init 12066250
zc_to_ZC 7823640
zero_F2m 0
zero_F2m_copy 845109
zero_F2v 3648081
zero_F2x 1350
zero_Flm 2830111
zero_Flm_copy 235912
zero_Flv 59496024
zero_Flx 1426982
zero_zm 0
zero_zv 36736884
zero_zx 0
zerocol 122283947
zeromat 109165
zeromatcopy 14239940
zeropadic 855589
zeropadic_shallow 17024
zeropol 42358612
zeroser 138824
zerovec 28455349
zerovec_block 28947
zm_copy 0
zm_row 0
zm_to_zxV 0
zm_transpose 266
znstar_get_N 38653757
znstar_get_U 176107
znstar_get_Ui 46788
znstar_get_conreycyc 7978902
znstar_get_conreygen 3289889
znstar_get_cyc 262088
znstar_get_faN 7330731
znstar_get_gen 16150
znstar_get_no 14
znstar_get_pe 2868790
zv_copy 2184160
zv_to_ZV 503010
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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