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 30543-4febeb1110) Lines: 1420 1532 92.7 %
Date: 2025-11-10 09:22:37 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 8038983
F2m_copy 200497
F2m_flip 1554075
F2m_set 798
F2v_clear 12355252
F2v_coeff 661327767
F2v_copy 4487
F2v_ei 42
F2v_flip 1554075
F2v_set 101404014
F2v_to_F2x 37838
F2xX_shift 0
F2x_clear 12355252
F2x_coeff 667907703
F2x_copy 60414016
F2x_div 1571081
F2x_equal 4661895
F2x_equal1 2873963
F2x_flip 1554075
F2x_renormalize 115236972
F2x_set 124757040
F2xqX_div 33173
F3m_coeff 3256666
F3m_copy 0
F3m_set 0
Flm_copy 6433502
Flm_row 8742423
Flv_copy 2555328
Flx_constant 333156
Flx_copy 173797695
Flx_div 1999005
Flx_div_pre 21703618
Flx_equal1 8327141
Flx_lead 980211
Flx_mulu 1105193
FlxqX_div 0
FlxqX_div_pre 165417
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693832
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5581035
FpX_renormalize 144588367
Fp_add 181668719
Fp_addmul 11390203
Fp_center 77243124
Fp_center_i 18059466
Fp_div 15035458
Fp_divu 15135205
Fp_double 22353236
Fp_halve 247348
Fp_inv 23437746
Fp_invsafe 1100359
Fp_mul 201130134
Fp_muls 17780
Fp_mulu 67842144
Fp_neg 31488102
Fp_red 82096092
Fp_sqr 64789896
Fp_sub 203614745
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 572117
FqX_Fq_mul 427296
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38546
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 367817
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 3106345
Fq_to_FpXQ 73792
GENbinbase 964305337
QV_isscalar 54401084
Q_abs 8062590
Q_abs_shallow 120255
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622064
RgC_gtofp 34012116
RgC_gtomp 574
RgM_dimensions 9742192
RgM_fpnorml2 22781
RgM_gtofp 8252396
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22169940
RgV_gtofp 56
RgV_is_QV 140758
RgV_is_ZV 32164048
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210307
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103405292
RgX_div 7000740
RgX_equal_var 26880630
RgX_fpnorml2 61608
RgX_gtofp 7147710
RgX_is_QX 400126
RgX_is_ZX 22422001
RgX_is_monomial 1331678
RgX_is_rational 68303
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
RgX_to_RgV 140
Rg_col_ei 1451241
Rg_to_Fq 756
ZC_hnfrem 10690781
ZM_ZV_mod 596592
ZM_hnfrem 363852
ZM_lll 7112546
ZV_ZV_mod 8131259
ZV_dvd 23485
ZV_isscalar 23098236
ZV_to_zv 3211414
ZXQ_mul 2162070
ZXQ_sqr 961093
ZX_equal1 12711
ZX_is_monic 7375999
ZX_renormalize 155011549
Z_ispower 98
Z_issquare 458926
abgrp_get_cyc 12230199
abgrp_get_gen 1765030
abgrp_get_no 355190
absfrac 46641958
absfrac_shallow 28237
addmuliu 541092
addmuliu_inplace 59700682
affc_fixlg 249620
affgr 898866
bid_get_MOD 2157252
bid_get_U 3680232
bid_get_arch 41187
bid_get_archp 2397091
bid_get_cyc 5739545
bid_get_fact 2498928
bid_get_fact2 2201573
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804401
bid_get_ideal 72842
bid_get_mod 1521921
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157979
bin_copy 497306210
bit_accuracy 3162934560
bit_accuracy_mul 3175472
bit_prec 142674744
bnf_get_clgp 5374915
bnf_get_cyc 3686062
bnf_get_fu 25859
bnf_get_fu_nocheck 289072
bnf_get_gen 1680315
bnf_get_logfu 2874713
bnf_get_nf 9863693
bnf_get_no 8372
bnf_get_reg 648
bnf_get_sunits 1367780
bnf_get_tuN 283008
bnf_get_tuU 303581
bnr_get_bid 2045863
bnr_get_bnf 3750905
bnr_get_clgp 2830010
bnr_get_cyc 2522330
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77119
bnr_get_nf 1368122
bnr_get_no 277497
both_odd 124154117
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975460
cgiv 102120368
checkell_i 5593319
closure_arity 371291442
closure_codestr 321394451
closure_get_code 0
closure_get_data 321372805
closure_get_dbg 13621
closure_get_frame 14169492
closure_get_oper 321388558
closure_get_text 37051
closure_is_variadic 40168273
col_ei 5925831
coltrunc_init 740250
const_col 9729851
const_vec 34481284
const_vecsmall 19706101
constant_coeff 1441497
cxcompotor 18217789
cxnorm 90943720
cxtofp 9083058
cxtoreal 337207
cyc_get_expo 2757783
cyclic_perm 99911
dbllog2r 92828862
degpol 5502650898
div_content 58475
divsBIL 8097254021
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997062
ell_get_a2 7106156
ell_get_a3 8814030
ell_get_a4 8536697
ell_get_a6 10370935
ell_get_b2 7371036
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11018092
ell_get_c6 13474522
ell_get_disc 16815190
ell_get_j 2126227
ell_get_type 12499362
ell_is_inf 52493741
ellff_get_a4a6 800036
ellff_get_field 2036869
ellinf 1869840
ellnf_get_bnf 126
ellnf_get_nf 2027609
equali1 1175171734
equalim1 139504751
err_get_compo 294
err_get_num 62529
gaddgs 123247510
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 256218250
gc_INT 4105013969
gc_INT_affii 8489892
gc_all 109992160
gc_leaf 1132489501
gc_slice 2204914
gc_upto 1949176225
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 761933
gdivsg 531590
gen_I 1269840
gener_Fq_local 29932
gequalgs 29176
get_F2x_degree 1929020
get_F2x_mod 2499161
get_F2x_var 2534155
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82255799
get_Flx_mod 25599521
get_Flx_var 68358018
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 6424531
get_FpX_mod 3394339
get_FpX_var 6957840
gisdouble 2988014
gmax_shallow 13510221
gmaxsg 0
gmin_shallow 878282
gminsg 0
gmulgs 22510979
gmulgu 282059385
gsubgs 1724810
gtodouble 60799431
gtofp 254251944
gtomp 22428
gtos 85854560
gtou 98316
guncloneNULL 48223440
guncloneNULL_deep 1438956
gval 6230
hash_str 2756815
hash_str_len 31549703
icopy_avma 8036068091
idealchineseinit 5427
idealred 138523
identity_ZV 8113
identity_perm 3242653
identity_zv 3267003
inf_get_sign 1453103
inv_content 0
is_bigint 562614960
is_const_t 4888681239
is_extscalar_t 6876
is_intreal_t 9583925
is_matvec_t 659350040
is_noncalc_t 85862419
is_pm1 2202574009
is_qfb_t 0
is_rational_t 5035284
is_real_t 62063862
is_recursive_t 9238348086
is_scalar_t 375665227
is_universal_constant 325957988
is_vec_t 43930467
isint1 17585246
isintm1 5711132
isintzero 2837939836
ismpzero 9583799
isonstack 8256235152
killblock 1928983
leading_coeff 170556842
leafcopy_avma 577075810
lg_increase 314648456
lgcols 350246888
lgpol 2684208426
lincombii 38199286
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 755039
matpascal 3983
matslice 16817701
mkcol 10640993
mkcol2 156853317
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33508
mkcols 40411
mkcomplex 91628697
mkerr 0
mkfrac 41641785
mkfraccopy 4999067
mkfracss 1209563
mkintmod 8092660
mkintmodu 1813
mkmat 4750901
mkmat2 33658550
mkmat22 50274760
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122221
mkmoo 108846
mkoo 1331999
mkpadic 2009
mkpolmod 3105019
mkqfb 27919934
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71146588
mkvec2 184715235
mkvec2copy 114572
mkvec2s 220418
mkvec3 117824700
mkvec3s 524441
mkvec4 10106103
mkvec4s 21
mkvec5 15184971
mkveccopy 122521
mkvecs 168
mkvecsmall 131680472
mkvecsmall2 233633319
mkvecsmall3 104044035
mkvecsmall4 17837152
mkvecsmall5 1731103
modpr_get_T 13867588
modpr_get_p 1888432
modpr_get_pr 31237995
mul_content 2654074
mul_denom 10709785
mulsubii 3881934
nbits2extraprec 1456660148
nbits2ndec 228
nbits2nlong 12649541
nbits2prec 186133832
nbrows 157471119
nchar2nlong 127406408
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26300
nf_get_G 303614
nf_get_M 21172048
nf_get_Tr 22083
nf_get_degree 71350548
nf_get_diff 4438
nf_get_disc 463860
nf_get_index 3711310
nf_get_invzk 9765347
nf_get_pol 98056346
nf_get_r1 22892565
nf_get_r2 4154
nf_get_ramified_primes 64813
nf_get_roots 1627856
nf_get_roundG 1746635
nf_get_sign 519552
nf_get_varn 1503580
nf_get_zk 4382
nf_get_zkden 5462074
nf_get_zkprimpart 5416318
normalize_frac 17204679
odd 2085156331
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 510710886
pari_malloc 746598541
pari_realloc 1890
pari_realloc_ip 2267867
pari_stack_alloc 1019570940
pari_stack_base 1025169380
pari_stack_delete 5615469
pari_stack_init 6083741
pari_stack_new 924880474
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782882
perm_mul 80929671
perm_sqr 728
pol0_F2x 13245464
pol0_Flx 103507417
pol1_F2x 3957673
pol1_Flx 55056905
pol_0 83001702
pol_1 3756378
pol_x 3858180
pol_xn 2249959
pol_xnall 294
polx_F2x 1078839
polx_Flx 37827429
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43178409
pr_get_e 15952766
pr_get_f 26040698
pr_get_gen 12062081
pr_get_p 91708715
pr_get_tau 48871542
pr_is_inert 16910206
pr_norm 1088567
prec2lg 4466693783
prec2nbits 103956127
prec2nbits_mul 581166
prec2ndec 9778
precdbl 475510
qfb_disc 18514487
qfb_disc3 4990913
qfb_is_qfi 62940892
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8006162382
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 764007
row_i 987
rowcopy 204988
rowpermute 14709683
rowslice 79339720
rowslicepermute 184918
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27640443
sqrfrac 4148137
sqrti 6665670
sqrtnr 2807623
sqrtr 80366349
sstoQ 1097215
sturm 385
submulii 32847018
submuliu 7742
submuliu_inplace 60199562
truecoef 0
trunc_safe 0
ulogint 1720237
upr_norm 346134
uutoQ 1600198
vec_append 3465581
vec_ei 1714622
vec_lengthen 18946
vec_prepend 313995
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036845
veclast 9372660
vecmodii 0
vecmoduu 49784
vecpermute 20531709
vecreverse 697235
vecreverse_inplace 2605
vecslice 656005726
vecslicepermute 2690348
vecsmall_append 4111369
vecsmall_coincidence 0
vecsmall_concat 1464440
vecsmall_copy 4404211
vecsmall_ei 584706
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043259
vecsmall_max 1164584
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186991
vecsmall_reverse 3052
vecsmall_shorten 74578
vecsmall_to_col 7838019
vecsmall_to_vec 511809
vecsmall_to_vec_inplace 3304
vecsmallpermute 78734110
vecsmalltrunc_append 101456490
vecsmalltrunc_init 189531272
vecsplice 384901
vectrunc_append 16161781
vectrunc_append_batch 12306
vectrunc_init 12065851
zc_to_ZC 7823835
zero_F2m 0
zero_F2m_copy 845101
zero_F2v 3648067
zero_F2x 1350
zero_Flm 2830263
zero_Flm_copy 235915
zero_Flv 59497554
zero_Flx 1426888
zero_zm 0
zero_zv 36737966
zero_zx 0
zerocol 122288937
zeromat 109186
zeromatcopy 14240451
zeropadic 855658
zeropadic_shallow 17024
zeropol 42358624
zeroser 138908
zerovec 28455542
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 2184069
zv_to_ZV 503010
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

Generated by: LCOV version 1.16