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 30571-c0dfe82732) Lines: 1419 1532 92.6 %
Date: 2025-12-10 09:22:03 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 8039209
F2m_copy 200553
F2m_flip 1554073
F2m_set 798
F2v_clear 12357129
F2v_coeff 661334040
F2v_copy 4487
F2v_ei 42
F2v_flip 1554072
F2v_set 101405319
F2v_to_F2x 37880
F2xX_shift 0
F2x_clear 12357114
F2x_coeff 667952888
F2x_copy 60436524
F2x_div 1571556
F2x_equal 4662446
F2x_equal1 2873841
F2x_flip 1554072
F2x_renormalize 115183859
F2x_set 124751794
F2xqX_div 33173
F3m_coeff 3256661
F3m_copy 0
F3m_set 0
Flm_copy 6435548
Flm_row 8742768
Flv_copy 2555250
Flx_constant 334021
Flx_copy 173822943
Flx_div 1999155
Flx_div_pre 21715488
Flx_equal1 8330912
Flx_lead 980663
Flx_mulu 1105491
FlxqX_div 0
FlxqX_div_pre 165411
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693272
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5583068
FpX_renormalize 144590778
Fp_add 181476710
Fp_addmul 11361240
Fp_center 77238530
Fp_center_i 18053236
Fp_div 15035183
Fp_divu 15129675
Fp_double 22268675
Fp_halve 247348
Fp_inv 23444636
Fp_invsafe 1100562
Fp_mul 201044851
Fp_muls 17780
Fp_mulu 67678826
Fp_neg 31482749
Fp_red 82092207
Fp_sqr 64429372
Fp_sub 203435813
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 572209
FqX_Fq_mul 427286
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 445093
FqX_factor 141079
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 367830
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 3106314
Fq_to_FpXQ 73792
GENbinbase 964573493
QV_isscalar 54419325
Q_abs 8064380
Q_abs_shallow 120256
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622146
RgC_gtofp 34042571
RgC_gtomp 574
RgM_dimensions 9742352
RgM_fpnorml2 22794
RgM_gtofp 8259905
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22179267
RgV_gtofp 56
RgV_is_QV 140789
RgV_is_ZV 32167322
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210301
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103409312
RgX_div 7000740
RgX_equal_var 26883210
RgX_fpnorml2 61628
RgX_gtofp 7147952
RgX_is_QX 400153
RgX_is_ZX 22426165
RgX_is_monomial 1331799
RgX_is_rational 68324
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
RgX_to_RgV 140
Rg_col_ei 1451723
Rg_to_Fq 756
ZC_hnfrem 10696829
ZM_ZV_mod 596690
ZM_hnfrem 363871
ZM_lll 7117923
ZV_ZV_mod 8131653
ZV_dvd 23485
ZV_isscalar 23235870
ZV_to_zv 3211419
ZXQ_mul 2162225
ZXQ_sqr 961148
ZX_equal1 12893
ZX_is_monic 7376208
ZX_renormalize 155045993
Z_ispower 98
Z_issquare 458925
abgrp_get_cyc 12231332
abgrp_get_gen 1765126
abgrp_get_no 355203
absfrac 46644927
absfrac_shallow 28237
addmuliu 535836
addmuliu_inplace 59702869
affc_fixlg 249621
affgr 898866
bid_get_MOD 2157272
bid_get_U 3680250
bid_get_arch 41187
bid_get_archp 2397100
bid_get_cyc 5739796
bid_get_fact 2498950
bid_get_fact2 2201594
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804656
bid_get_ideal 72842
bid_get_mod 1521922
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2158002
bin_copy 497444766
bit_accuracy 3163896678
bit_accuracy_mul 3175472
bit_prec 142844194
bnf_get_clgp 5375654
bnf_get_cyc 3686692
bnf_get_fu 25859
bnf_get_fu_nocheck 289091
bnf_get_gen 1680413
bnf_get_logfu 2874820
bnf_get_nf 9865057
bnf_get_no 8379
bnf_get_reg 648
bnf_get_sunits 1367840
bnf_get_tuN 283002
bnf_get_tuU 303578
bnr_get_bid 2046146
bnr_get_bnf 3751390
bnr_get_clgp 2830279
bnr_get_cyc 2522598
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77147
bnr_get_nf 1368180
bnr_get_no 277503
both_odd 124024184
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975455
cgiv 102285853
checkell_i 5593303
closure_arity 371440140
closure_codestr 321576031
closure_get_code 0
closure_get_data 321519399
closure_get_dbg 13621
closure_get_frame 14174012
closure_get_oper 321547786
closure_get_text 37051
closure_is_variadic 44827201
col_ei 5927036
coltrunc_init 740250
const_col 9730305
const_vec 34491815
const_vecsmall 19711851
constant_coeff 1441408
cxcompotor 18223196
cxnorm 91222368
cxtofp 9085762
cxtoreal 337203
cyc_get_expo 2757855
cyclic_perm 99911
dbllog2r 92834127
degpol 5501260436
div_content 58575
divsBIL 8097480797
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997085
ell_get_a2 7106188
ell_get_a3 8814053
ell_get_a4 8536729
ell_get_a6 10370967
ell_get_b2 7371027
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11018069
ell_get_c6 13474473
ell_get_disc 16815209
ell_get_j 2126227
ell_get_type 12499313
ell_is_inf 52482684
ellff_get_a4a6 800030
ellff_get_field 2036871
ellinf 1869569
ellnf_get_bnf 126
ellnf_get_nf 2027644
equali1 1175753979
equalim1 139505935
err_get_compo 294
err_get_num 62523
gaddgs 123248622
gal_get_den 27880
gal_get_e 91
gal_get_gen 15449
gal_get_group 80400
gal_get_invvdm 27887
gal_get_mod 23772
gal_get_orders 6678
gal_get_p 6020
gal_get_pol 36343
gal_get_roots 32759
gc_GEN 256246333
gc_INT 4110666008
gc_INT_affii 8502393
gc_all 110027721
gc_leaf 1132616113
gc_slice 2205018
gc_upto 1951307304
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 761922
gdivsg 531589
gen_I 1269837
gener_Fq_local 29945
gequalgs 29176
get_F2x_degree 1929076
get_F2x_mod 2499125
get_F2x_var 2534266
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82290374
get_Flx_mod 25611235
get_Flx_var 68420598
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 6424979
get_FpX_mod 3394581
get_FpX_var 6958083
gisdouble 2993135
gmax_shallow 13510228
gmaxsg 0
gmin_shallow 878396
gminsg 0
gmulgs 22594030
gmulgu 282059385
gsubgs 1724806
gtodouble 60800134
gtofp 254379704
gtomp 22428
gtos 85854597
gtou 98319
guncloneNULL 48226613
guncloneNULL_deep 1440506
gval 6230
hash_str 2756813
hash_str_len 31551658
icopy_avma 8042595069
idealchineseinit 5427
idealred 138708
identity_ZV 8113
identity_perm 3242802
identity_zv 3267152
inf_get_sign 1453191
inv_content 0
is_bigint 562993937
is_const_t 4895364591
is_extscalar_t 6876
is_intreal_t 9586780
is_matvec_t 659513680
is_noncalc_t 85878947
is_pm1 2203657880
is_qfb_t 0
is_rational_t 5035638
is_real_t 62063896
is_recursive_t 9240290415
is_scalar_t 375679276
is_universal_constant 325774720
is_vec_t 43947076
isint1 17587221
isintm1 5711248
isintzero 2843395572
ismpzero 9586672
isonstack 8265678594
killblock 1929289
leading_coeff 170557764
leafcopy_avma 577789141
lg_increase 323206567
lgcols 350861883
lgpol 2681638168
lincombii 38216141
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 754921
matpascal 3983
matslice 16824041
mkcol 10641614
mkcol2 156897690
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33534
mkcols 40411
mkcomplex 91638608
mkerr 0
mkfrac 41643599
mkfraccopy 4999625
mkfracss 1209563
mkintmod 8092578
mkintmodu 1813
mkmat 4751266
mkmat2 33663433
mkmat22 50284941
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122271
mkmoo 108864
mkoo 1332065
mkpadic 2009
mkpolmod 3105223
mkqfb 27928947
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71168379
mkvec2 186238532
mkvec2copy 114618
mkvec2s 220436
mkvec3 117746782
mkvec3s 524441
mkvec4 10107032
mkvec4s 21
mkvec5 15187158
mkveccopy 122521
mkvecs 168
mkvecsmall 131716720
mkvecsmall2 233682051
mkvecsmall3 104052887
mkvecsmall4 17827921
mkvecsmall5 1731112
modpr_get_T 13867954
modpr_get_p 1888614
modpr_get_pr 31238915
mul_content 2654985
mul_denom 10713604
mulsubii 3881475
nbits2extraprec 1457007022
nbits2ndec 228
nbits2nlong 12679984
nbits2prec 186159109
nbrows 157534823
nchar2nlong 127436791
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26300
nf_get_G 304195
nf_get_M 21308470
nf_get_Tr 22081
nf_get_degree 71371908
nf_get_diff 4459
nf_get_disc 463989
nf_get_index 3712396
nf_get_invzk 9769446
nf_get_pol 98086207
nf_get_r1 23029108
nf_get_r2 4154
nf_get_ramified_primes 64855
nf_get_roots 1628534
nf_get_roundG 1747523
nf_get_sign 519567
nf_get_varn 1503796
nf_get_zk 4382
nf_get_zkden 5464337
nf_get_zkprimpart 5418545
normalize_frac 17206913
odd 2085356623
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 2862
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 15370
pari_err_TYPE2 3493
pari_err_VAR 371
pari_free 510852111
pari_malloc 746745222
pari_realloc 1890
pari_realloc_ip 2269127
pari_stack_alloc 1019758200
pari_stack_base 1025361438
pari_stack_delete 5618990
pari_stack_init 6086976
pari_stack_new 925068556
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782968
perm_mul 80934747
perm_sqr 728
pol0_F2x 13251547
pol0_Flx 103540350
pol1_F2x 3958257
pol1_Flx 55096732
pol_0 83002343
pol_1 3756692
pol_x 3858480
pol_xn 2249954
pol_xnall 294
polx_F2x 1079127
polx_Flx 37838535
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43178826
pr_get_e 16105319
pr_get_f 26350416
pr_get_gen 12069819
pr_get_p 92491454
pr_get_tau 49577588
pr_is_inert 17150509
pr_norm 1090271
prec2lg 4468796909
prec2nbits 103969290
prec2nbits_mul 581162
prec2ndec 9778
precdbl 475523
qfb_disc 18514489
qfb_disc3 4995420
qfb_is_qfi 62945377
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8007554419
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 764014
row_i 987
rowcopy 204988
rowpermute 14710965
rowslice 79357383
rowslicepermute 184948
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27642789
sqrfrac 4148232
sqrti 6666878
sqrtnr 2809724
sqrtr 80386401
sstoQ 1097215
sturm 385
submulii 32848628
submuliu 7742
submuliu_inplace 60199874
truecoef 0
trunc_safe 0
ulogint 1723526
upr_norm 346135
uutoQ 1600198
vec_append 3465717
vec_ei 1714753
vec_lengthen 18946
vec_prepend 313987
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036850
veclast 9372772
vecmodii 0
vecmoduu 49784
vecpermute 20546956
vecreverse 697235
vecreverse_inplace 2605
vecslice 656274798
vecslicepermute 2691375
vecsmall_append 4111383
vecsmall_coincidence 0
vecsmall_concat 1464432
vecsmall_copy 4404959
vecsmall_ei 584738
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043259
vecsmall_max 1164640
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186998
vecsmall_reverse 3066
vecsmall_shorten 74581
vecsmall_to_col 7838785
vecsmall_to_vec 511865
vecsmall_to_vec_inplace 3304
vecsmallpermute 78739157
vecsmalltrunc_append 101488950
vecsmalltrunc_init 192432798
vecsplice 384920
vectrunc_append 16161407
vectrunc_append_batch 12306
vectrunc_init 12066395
zc_to_ZC 7824604
zero_F2m 0
zero_F2m_copy 845230
zero_F2v 3648395
zero_F2x 1350
zero_Flm 2830369
zero_Flm_copy 235948
zero_Flv 59574129
zero_Flx 1426901
zero_zm 0
zero_zv 36748197
zero_zx 0
zerocol 122359790
zeromat 109164
zeromatcopy 14252026
zeropadic 855520
zeropadic_shallow 17024
zeropol 42358699
zeroser 138908
zerovec 28455853
zerovec_block 28947
zm_copy 0
zm_row 0
zm_to_zxV 0
zm_transpose 266
znstar_get_N 38655073
znstar_get_U 176107
znstar_get_Ui 46788
znstar_get_conreycyc 7979693
znstar_get_conreygen 3290176
znstar_get_cyc 262088
znstar_get_faN 7331711
znstar_get_gen 16150
znstar_get_no 14
znstar_get_pe 2869063
zv_copy 2183996
zv_to_ZV 503066
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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