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 30318-7d854b8994) Lines: 1421 1532 92.8 %
Date: 2025-06-06 09:19:58 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 8022482
F2m_copy 198013
F2m_flip 1554202
F2m_set 798
F2v_clear 12265515
F2v_coeff 660988808
F2v_copy 4487
F2v_ei 42
F2v_flip 1554202
F2v_set 101339912
F2v_to_F2x 37833
F2xX_shift 0
F2x_clear 12265515
F2x_coeff 667525312
F2x_copy 60413627
F2x_div 1566428
F2x_equal 4658416
F2x_equal1 2873837
F2x_flip 1554202
F2x_renormalize 115146102
F2x_set 124651016
F2xqX_div 33173
F3m_coeff 3247910
F3m_copy 0
F3m_set 0
Flm_copy 6275064
Flm_row 8741381
Flv_copy 2545307
Flx_constant 330328
Flx_copy 172062674
Flx_div 1995771
Flx_div_pre 21392726
Flx_equal1 8320151
Flx_lead 979328
Flx_mulu 1104824
FlxqX_div 0
FlxqX_div_pre 165416
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693453
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5442029
FpX_renormalize 145098739
Fp_add 171764598
Fp_addmul 11266095
Fp_center 75771673
Fp_center_i 14149948
Fp_div 15034143
Fp_divu 15133950
Fp_double 21033855
Fp_halve 246991
Fp_inv 23225133
Fp_invsafe 1099961
Fp_mul 199758812
Fp_muls 17780
Fp_mulu 69800432
Fp_neg 30197249
Fp_red 80779528
Fp_sqr 63956959
Fp_sub 203341930
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 568348
FqX_Fq_mul 427281
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38548
FqX_div_by_X_x 69629
FqX_divrem 0
FqX_extgcd 443134
FqX_factor 140939
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 367294
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 3106461
Fq_to_FpXQ 73792
GENbinbase 935732203
QV_isscalar 52368860
Q_abs 7936190
Q_abs_shallow 118653
Qtoss 19936
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 618271
RgC_gtofp 33714615
RgC_gtomp 574
RgM_dimensions 9408736
RgM_fpnorml2 22438
RgM_gtofp 8178859
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 21408087
RgV_gtofp 56
RgV_is_QV 140073
RgV_is_ZV 31476811
RgV_isin 110130
RgV_isin_i 110130
RgV_isscalar 1140180
RgXQX_div 1904
RgXQX_rem 126529
RgX_coeff 2551519
RgX_copy 103509770
RgX_div 7053736
RgX_equal_var 26927654
RgX_fpnorml2 60585
RgX_gtofp 7132152
RgX_is_QX 395895
RgX_is_ZX 20849709
RgX_is_monomial 1395725
RgX_is_rational 67734
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479267
RgX_shift_inplace_init 479267
RgX_to_RgV 140
Rg_col_ei 1308967
Rg_to_Fq 756
ZC_hnfrem 10191968
ZM_ZV_mod 540117
ZM_hnfrem 327058
ZM_lll 6934325
ZV_ZV_mod 7343385
ZV_dvd 23485
ZV_isscalar 22762142
ZV_to_zv 3191091
ZXQ_mul 2145403
ZXQ_sqr 951575
ZX_equal1 12679
ZX_is_monic 7328593
ZX_renormalize 157031852
Z_ispower 98
Z_issquare 458582
abgrp_get_cyc 11506063
abgrp_get_gen 1650845
abgrp_get_no 354823
absfrac 45595278
absfrac_shallow 27397
addmuliu 541056
addmuliu_inplace 59403639
affc_fixlg 249594
affgr 898789
bid_get_MOD 1994845
bid_get_U 3382325
bid_get_arch 31625
bid_get_archp 2222101
bid_get_cyc 5367611
bid_get_fact 2317605
bid_get_fact2 2029379
bid_get_gen 51933
bid_get_gen_nocheck 0
bid_get_grp 5420121
bid_get_ideal 72821
bid_get_mod 1386422
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 1995569
bin_copy 482395299
bit_accuracy 3134084666
bit_accuracy_mul 3175252
bit_prec 141566353
bnf_get_clgp 5098181
bnf_get_cyc 3511185
bnf_get_fu 25852
bnf_get_fu_nocheck 288398
bnf_get_gen 1578475
bnf_get_logfu 2702468
bnf_get_nf 9429110
bnf_get_no 8358
bnf_get_reg 641
bnf_get_sunits 1278294
bnf_get_tuN 265406
bnf_get_tuU 290750
bnr_get_bid 1941858
bnr_get_bnf 3594598
bnr_get_clgp 2640494
bnr_get_cyc 2345154
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 61579
bnr_get_nf 1269684
bnr_get_no 277492
both_odd 116876117
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 973496
cgiv 100646484
checkell_i 4677415
closure_arity 367755411
closure_codestr 318988283
closure_get_code 0
closure_get_data 318960009
closure_get_dbg 13523
closure_get_frame 13066324
closure_get_oper 318977322
closure_get_text 36855
closure_is_variadic 40104317
col_ei 5680582
coltrunc_init 393680
const_col 9622857
const_vec 32855072
const_vecsmall 18988444
constant_coeff 1439918
cxcompotor 18005069
cxnorm 90685980
cxtofp 8977969
cxtoreal 394439
cyc_get_expo 2523364
cyclic_perm 99911
dbllog2r 93157355
degpol 5357839136
div_content 57986
divsBIL 8101484787
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232582
ellR_get_sign 371325
ell_get_a1 7116181
ell_get_a2 5709701
ell_get_a3 6912828
ell_get_a4 6522702
ell_get_a6 7961475
ell_get_b2 5432766
ell_get_b4 2135641
ell_get_b6 3055105
ell_get_b8 2608978
ell_get_c4 8021660
ell_get_c6 8850327
ell_get_disc 11279807
ell_get_j 1295726
ell_get_type 11588152
ell_is_inf 51314801
ellff_get_a4a6 800019
ellff_get_field 2036844
ellinf 1868493
ellnf_get_bnf 126
ellnf_get_nf 2027587
equali1 1289797139
equalim1 139010308
err_get_compo 294
err_get_num 62333
gaddgs 123175596
gal_get_den 27650
gal_get_e 91
gal_get_gen 15449
gal_get_group 80170
gal_get_invvdm 27657
gal_get_mod 23772
gal_get_orders 6678
gal_get_p 6020
gal_get_pol 36113
gal_get_roots 32529
gc_GEN 249731095
gc_INT 4044245136
gc_INT_affii 8456535
gc_all 106206226
gc_leaf 1119709524
gc_slice 2202172
gc_upto 1907018649
gchar_copy_precs 1202
gchar_get_DLdata 188468
gchar_get_S 36865
gchar_get_U 0
gchar_get_Ui 10969
gchar_get_basis 32639
gchar_get_bnf 203105
gchar_get_cyc 16168
gchar_get_evalprec 4011
gchar_get_hnf 0
gchar_get_loccyc 50347
gchar_get_m0 3321
gchar_get_mod 8225
gchar_get_modP 4095
gchar_get_nalg 2042
gchar_get_nc 37131
gchar_get_nf 241501
gchar_get_nfprec 13419
gchar_get_nfree 322
gchar_get_nm 1841
gchar_get_ns 36865
gchar_get_ntors 322
gchar_get_prec 18732
gchar_get_r1 17416
gchar_get_r2 623
gchar_get_sfu 1748
gchar_get_u0 4267
gchar_get_zm 279434
gchar_set_HUUi 623
gchar_set_basis 1573
gchar_set_cyc 1573
gchar_set_evalprec 1785
gchar_set_m0 950
gchar_set_nalg 623
gchar_set_nf 2077
gchar_set_nfprec 2950
gchar_set_nfree 623
gchar_set_ntors 623
gchar_set_prec 1202
gchar_set_u0 2093
gcmpgs 790656
gdivsg 529208
gen_I 1269475
gener_Fq_local 14595
gequalgs 29176
get_F2x_degree 1928975
get_F2x_mod 2499092
get_F2x_var 2532719
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 83073985
get_Flx_mod 25410314
get_Flx_var 67700305
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 6005945
get_FpX_mod 3393170
get_FpX_var 7236797
gisdouble 2967872
gmax_shallow 13509994
gmaxsg 0
gmin_shallow 874913
gminsg 0
gmulgs 22066250
gmulgu 124184326
gsubgs 1719795
gtodouble 60833632
gtofp 252771186
gtomp 22428
gtos 85805757
gtou 102700
guncloneNULL 47880801
guncloneNULL_deep 1371187
gval 5824
hash_str 2747301
hash_str_len 18212854
icopy_avma 7910904074
idealchineseinit 5427
idealred 138502
identity_ZV 4333
identity_perm 3130795
identity_zv 3155136
inf_get_sign 1195166
inv_content 0
is_bigint 558721575
is_const_t 4891259865
is_extscalar_t 6876
is_intreal_t 9575112
is_matvec_t 659665142
is_noncalc_t 85681288
is_pm1 2177278182
is_qfb_t 0
is_rational_t 5017242
is_real_t 62656155
is_recursive_t 9158530135
is_scalar_t 377648913
is_universal_constant 291129956
is_vec_t 43411503
isint1 17089451
isintm1 5702646
isintzero 2805676738
ismpzero 9574996
isonstack 8132697677
killblock 1886885
leading_coeff 169267637
leafcopy_avma 565877079
lg_increase 314743298
lgcols 341312748
lgpol 2638829989
lincombii 37862866
locs_get_Lgenfil 1260
locs_get_Lsprk 191695
locs_get_cyc 51955
locs_get_famod 1260
locs_get_m_infty 207235
locs_get_mod 8225
logint 752121
matpascal 3885
matslice 16605511
mkcol 10185123
mkcol2 154771276
mkcol2s 4415390
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232365
mkcolcopy 33510
mkcols 40411
mkcomplex 90065045
mkerr 0
mkfrac 41028387
mkfraccopy 4959076
mkfracss 1209444
mkintmod 7983976
mkintmodu 1813
mkmat 4610440
mkmat2 32558445
mkmat22 49802550
mkmat22s 207501
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 121003
mkmoo 105919
mkoo 1076983
mkpadic 2009
mkpolmod 3024831
mkqfb 27798989
mkquad 69118
mkrfrac 698152
mkrfraccopy 14
mkvec 68087058
mkvec2 182744155
mkvec2copy 114514
mkvec2s 220004
mkvec3 118932072
mkvec3s 524441
mkvec4 6646961
mkvec4s 21
mkvec5 14487589
mkveccopy 122507
mkvecs 168
mkvecsmall 129358050
mkvecsmall2 223805693
mkvecsmall3 100287492
mkvecsmall4 15474574
mkvecsmall5 692074
modpr_get_T 13192642
modpr_get_p 1888418
modpr_get_pr 30070647
mul_content 2512782
mul_denom 10293787
mulsubii 3850257
nbits2extraprec 1488454762
nbits2ndec 228
nbits2nlong 12575698
nbits2prec 186143230
nbrows 153707136
nchar2nlong 120827424
ndec2nbits 8270
ndec2nlong 41493
ndec2prec 33223
nfV_to_scalar_or_alg 26293
nf_get_G 301364
nf_get_M 20767126
nf_get_Tr 22082
nf_get_degree 68834250
nf_get_diff 4438
nf_get_disc 457227
nf_get_index 3580463
nf_get_invzk 9488206
nf_get_pol 94456414
nf_get_r1 22161257
nf_get_r2 4140
nf_get_ramified_primes 59416
nf_get_roots 1531768
nf_get_roundG 1686143
nf_get_sign 517052
nf_get_varn 1167773
nf_get_zk 4382
nf_get_zkden 5066627
nf_get_zkprimpart 5020848
normalize_frac 17001915
odd 2055607293
pari_calloc 47545
pari_err_BUG 14
pari_err_COMPONENT 214
pari_err_CONSTPOL 21
pari_err_COPRIME 84
pari_err_DIM 718
pari_err_DOMAIN 2771
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 15384
pari_err_TYPE2 3493
pari_err_VAR 371
pari_free 495681468
pari_malloc 726014122
pari_realloc 1890
pari_realloc_ip 2148968
pari_stack_alloc 698490298
pari_stack_base 703810273
pari_stack_delete 5346336
pari_stack_init 5757920
pari_stack_new 605421773
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2778595
perm_mul 80187798
perm_sqr 728
pol0_F2x 13237835
pol0_Flx 101891039
pol1_F2x 3954385
pol1_Flx 54578546
pol_0 83281651
pol_1 4464297
pol_x 3564676
pol_xn 2232352
pol_xnall 294
polx_F2x 1075871
polx_Flx 37542952
polx_zx 0
polxn_Flx 371
powIs 1561
powii 42925664
pr_get_e 15719762
pr_get_f 25347674
pr_get_gen 11513132
pr_get_p 89386038
pr_get_tau 47847429
pr_is_inert 16402623
pr_norm 1066929
prec2lg 4477165380
prec2nbits 104969306
prec2nbits_mul 580921
prec2ndec 9778
precdbl 475327
qfb_disc 18474595
qfb_disc3 4848455
qfb_is_qfi 60844028
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8011037326
rnf_get_absdegree 1392746
rnf_get_alpha 1204
rnf_get_degree 2506083
rnf_get_disc 350
rnf_get_idealdisc 1386
rnf_get_index 105
rnf_get_invzk 1225
rnf_get_k 1225
rnf_get_map 135211
rnf_get_nf 733726
rnf_get_nfdegree 21231
rnf_get_nfpol 255354
rnf_get_nfvarn 4886
rnf_get_nfzk 6573
rnf_get_pol 2844933
rnf_get_polabs 314496
rnf_get_ramified_primes 2625
rnf_get_varn 574
rnf_get_zk 4606
row 762836
row_i 987
rowcopy 204988
rowpermute 14416230
rowslice 78361288
rowslicepermute 182616
rowsplice 273
ser_isexactzero 10079479
shallowcopy 25834538
sqrfrac 4136377
sqrti 6591166
sqrtnr 2795184
sqrtr 79988580
sstoQ 1074206
sturm 385
submulii 32799889
submuliu 7728
submuliu_inplace 59903840
truecoef 0
trunc_safe 0
ulogint 1719549
upr_norm 343930
uutoQ 158080619
vec_append 3432076
vec_ei 1711676
vec_lengthen 18941
vec_prepend 301302
vec_setconst 0
vec_shorten 11550
vec_to_vecsmall 4016087
veclast 6934482
vecmodii 0
vecmoduu 49784
vecpermute 19833345
vecreverse 697046
vecreverse_inplace 2570
vecslice 641794213
vecslicepermute 2647015
vecsmall_append 4078940
vecsmall_coincidence 0
vecsmall_concat 1464303
vecsmall_copy 4366115
vecsmall_ei 494155
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 526
vecsmall_lexcmp 7209171
vecsmall_max 1029989
vecsmall_min 2324
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186767
vecsmall_reverse 3052
vecsmall_shorten 72787
vecsmall_to_col 7761424
vecsmall_to_vec 511088
vecsmall_to_vec_inplace 3304
vecsmallpermute 77992533
vecsmalltrunc_append 99725598
vecsmalltrunc_init 188443467
vecsplice 354699
vectrunc_append 15156610
vectrunc_append_batch 10213
vectrunc_init 11628181
zc_to_ZC 7747242
zero_F2m 0
zero_F2m_copy 840132
zero_F2v 3628376
zero_F2x 1350
zero_Flm 2785443
zero_Flm_copy 232303
zero_Flv 58769486
zero_Flx 1426084
zero_zm 0
zero_zv 36172167
zero_zx 0
zerocol 118839531
zeromat 109142
zeromatcopy 14027848
zeropadic 855552
zeropadic_shallow 17024
zeropol 42309359
zeroser 138810
zerovec 26645963
zerovec_block 28233
zm_copy 0
zm_row 0
zm_to_zxV 0
zm_transpose 266
znstar_get_N 34545576
znstar_get_U 176051
znstar_get_Ui 46788
znstar_get_conreycyc 7824692
znstar_get_conreygen 3221961
znstar_get_cyc 261976
znstar_get_faN 7211773
znstar_get_gen 16150
znstar_get_no 14
znstar_get_pe 2820791
zv_copy 2183610
zv_to_ZV 502527
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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