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 30558-88b7dc3357) Lines: 1419 1532 92.6 %
Date: 2025-11-27 09:21:46 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 8039289
F2m_copy 200496
F2m_flip 1554251
F2m_set 798
F2v_clear 12355681
F2v_coeff 661330142
F2v_copy 4487
F2v_ei 42
F2v_flip 1554251
F2v_set 101404378
F2v_to_F2x 37862
F2xX_shift 0
F2x_clear 12355673
F2x_coeff 667949613
F2x_copy 60371973
F2x_div 1570535
F2x_equal 4656479
F2x_equal1 2874015
F2x_flip 1554251
F2x_renormalize 115250937
F2x_set 124795424
F2xqX_div 33173
F3m_coeff 3256664
F3m_copy 0
F3m_set 0
Flm_copy 6433673
Flm_row 8742560
Flv_copy 2555283
Flx_constant 334021
Flx_copy 173779244
Flx_div 1998954
Flx_div_pre 21707299
Flx_equal1 8331045
Flx_lead 980154
Flx_mulu 1105461
FlxqX_div 0
FlxqX_div_pre 165414
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693199
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5581200
FpX_renormalize 144583139
Fp_add 181472106
Fp_addmul 11360721
Fp_center 77241103
Fp_center_i 18055004
Fp_div 15035144
Fp_divu 15129695
Fp_double 22279027
Fp_halve 247348
Fp_inv 23440012
Fp_invsafe 1100548
Fp_mul 201046218
Fp_muls 17780
Fp_mulu 69948743
Fp_neg 31482292
Fp_red 82089353
Fp_sqr 64392386
Fp_sub 203446468
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 572120
FqX_Fq_mul 427298
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38568
FqX_div_by_X_x 69629
FqX_divrem 0
FqX_extgcd 445051
FqX_factor 141072
FqX_factor_squarefree 7
FqX_gcd 8288
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 4144
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 3106379
Fq_to_FpXQ 73792
GENbinbase 964390343
QV_isscalar 54401853
Q_abs 8063956
Q_abs_shallow 120239
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622078
RgC_gtofp 34013855
RgC_gtomp 574
RgM_dimensions 9742277
RgM_fpnorml2 22787
RgM_gtofp 8252993
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22170853
RgV_gtofp 56
RgV_is_QV 140762
RgV_is_ZV 32166731
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210303
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103409157
RgX_div 7000740
RgX_equal_var 26883187
RgX_fpnorml2 61607
RgX_gtofp 7147777
RgX_is_QX 400136
RgX_is_ZX 22422487
RgX_is_monomial 1331808
RgX_is_rational 68312
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
RgX_to_RgV 140
Rg_col_ei 1451355
Rg_to_Fq 756
ZC_hnfrem 10690772
ZM_ZV_mod 596577
ZM_hnfrem 363878
ZM_lll 7112867
ZV_ZV_mod 8131217
ZV_dvd 23485
ZV_isscalar 23098304
ZV_to_zv 3211412
ZXQ_mul 2162073
ZXQ_sqr 961085
ZX_equal1 12893
ZX_is_monic 7376001
ZX_renormalize 155020338
Z_ispower 98
Z_issquare 458925
abgrp_get_cyc 12230161
abgrp_get_gen 1765020
abgrp_get_no 355188
absfrac 46643514
absfrac_shallow 28237
addmuliu 535844
addmuliu_inplace 59765515
affc_fixlg 249618
affgr 898866
bid_get_MOD 2157244
bid_get_U 3680222
bid_get_arch 41188
bid_get_archp 2397064
bid_get_cyc 5739542
bid_get_fact 2498896
bid_get_fact2 2201564
bid_get_gen 64273
bid_get_gen_nocheck 0
bid_get_grp 5804393
bid_get_ideal 72842
bid_get_mod 1521919
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157969
bin_copy 497344373
bit_accuracy 3162691917
bit_accuracy_mul 3175472
bit_prec 142667287
bnf_get_clgp 5374906
bnf_get_cyc 3686058
bnf_get_fu 25859
bnf_get_fu_nocheck 289078
bnf_get_gen 1680310
bnf_get_logfu 2874711
bnf_get_nf 9863693
bnf_get_no 8372
bnf_get_reg 648
bnf_get_sunits 1367783
bnf_get_tuN 283001
bnf_get_tuU 303577
bnr_get_bid 2045860
bnr_get_bnf 3750900
bnr_get_clgp 2830004
bnr_get_cyc 2522326
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77119
bnr_get_nf 1368105
bnr_get_no 277496
both_odd 124189298
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975460
cgiv 102120764
checkell_i 5593345
closure_arity 371276234
closure_codestr 321419434
closure_get_code 0
closure_get_data 321363176
closure_get_dbg 13621
closure_get_frame 14169951
closure_get_oper 321392381
closure_get_text 37051
closure_is_variadic 44820712
col_ei 5926041
coltrunc_init 740250
const_col 9729871
const_vec 34478649
const_vecsmall 19707618
constant_coeff 1441393
cxcompotor 18221569
cxnorm 90948086
cxtofp 9084953
cxtoreal 337207
cyc_get_expo 2757772
cyclic_perm 99911
dbllog2r 92829602
degpol 5517565755
div_content 58477
divsBIL 8095453031
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997084
ell_get_a2 7106189
ell_get_a3 8814052
ell_get_a4 8536730
ell_get_a6 10370968
ell_get_b2 7371025
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11018020
ell_get_c6 13474399
ell_get_disc 16814997
ell_get_j 2126227
ell_get_type 12499426
ell_is_inf 52486482
ellff_get_a4a6 800030
ellff_get_field 2036873
ellinf 1869442
ellnf_get_bnf 126
ellnf_get_nf 2027639
equali1 1175180926
equalim1 139505635
err_get_compo 294
err_get_num 62522
gaddgs 123248609
gal_get_den 27874
gal_get_e 91
gal_get_gen 15449
gal_get_group 80395
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 256196614
gc_INT 4104479082
gc_INT_affii 8485526
gc_all 110008444
gc_leaf 1137483093
gc_slice 2205016
gc_upto 1949141298
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 243946
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 761913
gdivsg 531592
gen_I 1269839
gener_Fq_local 29932
gequalgs 29176
get_F2x_degree 1929105
get_F2x_mod 2499206
get_F2x_var 2534244
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 83396685
get_Flx_mod 25600272
get_Flx_var 68388196
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 6424826
get_FpX_mod 3394552
get_FpX_var 6957870
gisdouble 2987698
gmax_shallow 13510220
gmaxsg 0
gmin_shallow 878301
gminsg 0
gmulgs 22451361
gmulgu 282059385
gsubgs 1724797
gtodouble 60801132
gtofp 254268351
gtomp 22428
gtos 85854597
gtou 98307
guncloneNULL 48227506
guncloneNULL_deep 1444059
gval 6230
hash_str 2756815
hash_str_len 31550171
icopy_avma 8035571130
idealchineseinit 5427
idealred 138519
identity_ZV 8113
identity_perm 3242557
identity_zv 3266906
inf_get_sign 1453141
inv_content 0
is_bigint 562568860
is_const_t 4889779972
is_extscalar_t 6876
is_intreal_t 9584099
is_matvec_t 659373788
is_noncalc_t 85865392
is_pm1 2203539751
is_qfb_t 0
is_rational_t 5035316
is_real_t 62063861
is_recursive_t 9238948655
is_scalar_t 375670309
is_universal_constant 325815182
is_vec_t 43969718
isint1 17586698
isintm1 5711247
isintzero 2838231810
ismpzero 9583998
isonstack 8260463683
killblock 1929620
leading_coeff 170554232
leafcopy_avma 576837088
lg_increase 317005368
lgcols 350260422
lgpol 2690877335
lincombii 38187915
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 754896
matpascal 3983
matslice 16818277
mkcol 10640947
mkcol2 156863438
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33501
mkcols 40411
mkcomplex 91638163
mkerr 0
mkfrac 41638449
mkfraccopy 4999324
mkfracss 1209563
mkintmod 8092504
mkintmodu 1813
mkmat 4750930
mkmat2 33659348
mkmat22 50276927
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122241
mkmoo 108850
mkoo 1332034
mkpadic 2009
mkpolmod 3105123
mkqfb 27920526
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71148541
mkvec2 185227245
mkvec2copy 114570
mkvec2s 220416
mkvec3 121126745
mkvec3s 524441
mkvec4 10106276
mkvec4s 21
mkvec5 15185263
mkveccopy 122521
mkvecs 168
mkvecsmall 131681054
mkvecsmall2 233656602
mkvecsmall3 104042782
mkvecsmall4 17833377
mkvecsmall5 1731077
modpr_get_T 13867673
modpr_get_p 1888432
modpr_get_pr 31238379
mul_content 2654210
mul_denom 10710200
mulsubii 3881196
nbits2extraprec 1456744371
nbits2ndec 228
nbits2nlong 12680618
nbits2prec 186132752
nbrows 157477017
nchar2nlong 127409872
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26300
nf_get_G 303629
nf_get_M 21172096
nf_get_Tr 22083
nf_get_degree 71351653
nf_get_diff 4438
nf_get_disc 463858
nf_get_index 3711345
nf_get_invzk 9766099
nf_get_pol 98059456
nf_get_r1 22892637
nf_get_r2 4154
nf_get_ramified_primes 64813
nf_get_roots 1627880
nf_get_roundG 1746659
nf_get_sign 519552
nf_get_varn 1503722
nf_get_zk 4382
nf_get_zkden 5462550
nf_get_zkprimpart 5416710
normalize_frac 17205219
odd 2085265297
pari_calloc 47699
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 15391
pari_err_TYPE2 3493
pari_err_VAR 371
pari_free 510756456
pari_malloc 746646636
pari_realloc 1890
pari_realloc_ip 2268185
pari_stack_alloc 1019588672
pari_stack_base 1025200023
pari_stack_delete 5629625
pari_stack_init 6084516
pari_stack_new 924920188
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782900
perm_mul 80930002
perm_sqr 728
pol0_F2x 13241009
pol0_Flx 103507196
pol1_F2x 3958340
pol1_Flx 55073745
pol_0 83002113
pol_1 3756420
pol_x 3858278
pol_xn 2249938
pol_xnall 294
polx_F2x 1078829
polx_Flx 37829275
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43178485
pr_get_e 15953037
pr_get_f 26042164
pr_get_gen 12062936
pr_get_p 91709822
pr_get_tau 48872266
pr_is_inert 16910340
pr_norm 1088621
prec2lg 4467037524
prec2nbits 103961957
prec2nbits_mul 581165
prec2ndec 9778
precdbl 475523
qfb_disc 18514446
qfb_disc3 4991189
qfb_is_qfi 62943070
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8005486926
rnf_get_absdegree 1392746
rnf_get_alpha 1428
rnf_get_degree 2506307
rnf_get_disc 357
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 2845164
rnf_get_polabs 327628
rnf_get_ramified_primes 2849
rnf_get_varn 574
rnf_get_zk 4830
row 764010
row_i 987
rowcopy 204988
rowpermute 14709596
rowslice 79339961
rowslicepermute 184750
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27640050
sqrfrac 4148203
sqrti 6665969
sqrtnr 2808779
sqrtr 80367384
sstoQ 1097215
sturm 385
submulii 32847732
submuliu 7742
submuliu_inplace 60252433
truecoef 0
trunc_safe 0
ulogint 1725158
upr_norm 346132
uutoQ 1600198
vec_append 3465574
vec_ei 1714614
vec_lengthen 18946
vec_prepend 313991
vec_setconst 0
vec_shorten 11556
vec_to_vecsmall 4036813
veclast 9372677
vecmodii 0
vecmoduu 49784
vecpermute 20528407
vecreverse 697235
vecreverse_inplace 2605
vecslice 656204796
vecslicepermute 2689329
vecsmall_append 4111376
vecsmall_coincidence 0
vecsmall_concat 1464426
vecsmall_copy 4404221
vecsmall_ei 584715
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043198
vecsmall_max 1164675
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186991
vecsmall_reverse 3052
vecsmall_shorten 74576
vecsmall_to_col 7837561
vecsmall_to_vec 511809
vecsmall_to_vec_inplace 3304
vecsmallpermute 78733982
vecsmalltrunc_append 101467005
vecsmalltrunc_init 190517617
vecsplice 384904
vectrunc_append 16163297
vectrunc_append_batch 12306
vectrunc_init 12065441
zc_to_ZC 7823379
zero_F2m 0
zero_F2m_copy 845099
zero_F2v 3648066
zero_F2x 1350
zero_Flm 2830139
zero_Flm_copy 235922
zero_Flv 59500105
zero_Flx 1426650
zero_zm 0
zero_zv 36739318
zero_zx 0
zerocol 122291208
zeromat 109173
zeromatcopy 14241200
zeropadic 855683
zeropadic_shallow 17024
zeropol 42358719
zeroser 138908
zerovec 28455508
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 2184022
zv_to_ZV 503010
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

Generated by: LCOV version 1.16