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 30532-0c728fd268) Lines: 1419 1532 92.6 %
Date: 2025-10-17 09:22:15 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 8039193
F2m_copy 200495
F2m_flip 1554220
F2m_set 798
F2v_clear 12355463
F2v_coeff 661329029
F2v_copy 4487
F2v_ei 42
F2v_flip 1554220
F2v_set 101404115
F2v_to_F2x 37811
F2xX_shift 0
F2x_clear 12355462
F2x_coeff 667925342
F2x_copy 60421964
F2x_div 1570340
F2x_equal 4659619
F2x_equal1 2874094
F2x_flip 1554220
F2x_renormalize 115249033
F2x_set 124762562
F2xqX_div 33173
F3m_coeff 3256664
F3m_copy 0
F3m_set 0
Flm_copy 6433555
Flm_row 8742318
Flv_copy 2555404
Flx_constant 333157
Flx_copy 173770023
Flx_div 1999076
Flx_div_pre 21701831
Flx_equal1 8327214
Flx_lead 979611
Flx_mulu 1105091
FlxqX_div 0
FlxqX_div_pre 165412
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693350
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5581126
FpX_renormalize 144587085
Fp_add 181721421
Fp_addmul 11416636
Fp_center 77180046
Fp_center_i 17995755
Fp_div 15035116
Fp_divu 15134903
Fp_double 22409250
Fp_halve 247348
Fp_inv 23437545
Fp_invsafe 1100361
Fp_mul 201101630
Fp_muls 17780
Fp_mulu 67208721
Fp_neg 30906059
Fp_red 82091241
Fp_sqr 64819400
Fp_sub 203699749
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 572113
FqX_Fq_mul 427279
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 445049
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 367812
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 3106339
Fq_to_FpXQ 73792
GENbinbase 964235021
QV_isscalar 54400758
Q_abs 8062679
Q_abs_shallow 120244
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622078
RgC_gtofp 34010191
RgC_gtomp 574
RgM_dimensions 9741974
RgM_fpnorml2 22780
RgM_gtofp 8252274
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22169795
RgV_gtofp 56
RgV_is_QV 140761
RgV_is_ZV 32164054
RgV_isin 110130
RgV_isin_i 110130
RgV_isscalar 1210305
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669371
RgX_copy 103404825
RgX_div 7000740
RgX_equal_var 26880632
RgX_fpnorml2 61607
RgX_gtofp 7147763
RgX_is_QX 400127
RgX_is_ZX 22421900
RgX_is_monomial 1331313
RgX_is_rational 68304
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
RgX_to_RgV 140
Rg_col_ei 1451361
Rg_to_Fq 756
ZC_hnfrem 10690766
ZM_ZV_mod 596609
ZM_hnfrem 363846
ZM_lll 7112417
ZV_ZV_mod 8131234
ZV_dvd 23485
ZV_isscalar 23098278
ZV_to_zv 3211415
ZXQ_mul 2162066
ZXQ_sqr 961077
ZX_equal1 12711
ZX_is_monic 7376003
ZX_renormalize 155037928
Z_ispower 98
Z_issquare 458925
abgrp_get_cyc 12230130
abgrp_get_gen 1765023
abgrp_get_no 355189
absfrac 46637965
absfrac_shallow 28237
addmuliu 541108
addmuliu_inplace 59766716
affc_fixlg 249596
affgr 898817
bid_get_MOD 2157259
bid_get_U 3680234
bid_get_arch 41188
bid_get_archp 2397068
bid_get_cyc 5739522
bid_get_fact 2498890
bid_get_fact2 2201580
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804375
bid_get_ideal 72842
bid_get_mod 1521922
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157980
bin_copy 497266333
bit_accuracy 3163349717
bit_accuracy_mul 3175454
bit_prec 143010044
bnf_get_clgp 5374915
bnf_get_cyc 3686066
bnf_get_fu 25859
bnf_get_fu_nocheck 289080
bnf_get_gen 1680310
bnf_get_logfu 2874697
bnf_get_nf 9863692
bnf_get_no 8372
bnf_get_reg 648
bnf_get_sunits 1367777
bnf_get_tuN 283009
bnf_get_tuU 303583
bnr_get_bid 2045864
bnr_get_bnf 3750902
bnr_get_clgp 2830008
bnr_get_cyc 2522326
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77119
bnr_get_nf 1368102
bnr_get_no 277495
both_odd 123974284
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975624
cgiv 102119418
checkell_i 5593254
closure_arity 371154213
closure_codestr 321309953
closure_get_code 0
closure_get_data 321260804
closure_get_dbg 13621
closure_get_frame 14147242
closure_get_oper 321287646
closure_get_text 37051
closure_is_variadic 40152522
col_ei 5925819
coltrunc_init 740250
const_col 9729912
const_vec 34469797
const_vecsmall 19663088
constant_coeff 1441497
cxcompotor 18219116
cxnorm 90945788
cxtofp 9083725
cxtoreal 337179
cyc_get_expo 2757778
cyclic_perm 99911
dbllog2r 94011868
degpol 5499242090
div_content 58476
divsBIL 8170833323
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8996379
ell_get_a2 7105472
ell_get_a3 8813347
ell_get_a4 8536013
ell_get_a6 10370251
ell_get_b2 7369854
ell_get_b4 2549033
ell_get_b6 3861932
ell_get_b8 3297414
ell_get_c4 10728602
ell_get_c6 12891961
ell_get_disc 16525513
ell_get_j 2126227
ell_get_type 12499177
ell_is_inf 52497393
ellff_get_a4a6 800039
ellff_get_field 2036876
ellinf 1868493
ellnf_get_bnf 126
ellnf_get_nf 2027612
equali1 1175142291
equalim1 139504215
err_get_compo 294
err_get_num 62530
gaddgs 123245803
gal_get_den 27874
gal_get_e 91
gal_get_gen 15449
gal_get_group 80393
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 256062573
gc_INT 4104736322
gc_INT_affii 8486539
gc_all 109991398
gc_leaf 1132311458
gc_slice 2204956
gc_upto 1949475556
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 761924
gdivsg 531333
gen_I 1269828
gener_Fq_local 29932
gequalgs 29176
get_F2x_degree 1929060
get_F2x_mod 2499227
get_F2x_var 2534167
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82206353
get_Flx_mod 25596259
get_Flx_var 68348213
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 6424477
get_FpX_mod 3394344
get_FpX_var 6957993
gisdouble 2987224
gmax_shallow 13510221
gmaxsg 0
gmin_shallow 878301
gminsg 0
gmulgs 22459671
gmulgu 282058131
gsubgs 1724191
gtodouble 60768349
gtofp 254226763
gtomp 22428
gtos 85833283
gtou 98321
guncloneNULL 48158437
guncloneNULL_deep 1390340
gval 5824
hash_str 2754914
hash_str_len 31542911
icopy_avma 8035400617
idealchineseinit 5427
idealred 138529
identity_ZV 8113
identity_perm 3242482
identity_zv 3266830
inf_get_sign 1453202
inv_content 0
is_bigint 562540102
is_const_t 4889698719
is_extscalar_t 6876
is_intreal_t 9583751
is_matvec_t 659844016
is_noncalc_t 85861466
is_pm1 2201670320
is_qfb_t 0
is_rational_t 5035114
is_real_t 62659217
is_recursive_t 9244716566
is_scalar_t 375644035
is_universal_constant 325782343
is_vec_t 43965234
isint1 17572013
isintm1 5704347
isintzero 2838745000
ismpzero 9583645
isonstack 8255790035
killblock 1903316
leading_coeff 170555967
leafcopy_avma 576900593
lg_increase 313542019
lgcols 350238371
lgpol 2683011316
lincombii 38182370
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 755028
matpascal 3885
matslice 16817575
mkcol 10641079
mkcol2 156904335
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33514
mkcols 40411
mkcomplex 91635146
mkerr 0
mkfrac 41634853
mkfraccopy 4998898
mkfracss 1209563
mkintmod 8092666
mkintmodu 1813
mkmat 4750819
mkmat2 33658684
mkmat22 50279048
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122226
mkmoo 108847
mkoo 1332103
mkpadic 2009
mkpolmod 3105018
mkqfb 27919964
mkquad 69118
mkrfrac 698152
mkrfraccopy 14
mkvec 71127019
mkvec2 184657765
mkvec2copy 114575
mkvec2s 220414
mkvec3 117681294
mkvec3s 524441
mkvec4 10105955
mkvec4s 21
mkvec5 15184865
mkveccopy 122521
mkvecs 168
mkvecsmall 131662860
mkvecsmall2 233604212
mkvecsmall3 104044653
mkvecsmall4 17826536
mkvecsmall5 1730636
modpr_get_T 13867571
modpr_get_p 1888432
modpr_get_pr 31237959
mul_content 2654081
mul_denom 10709853
mulsubii 3881672
nbits2extraprec 1498607234
nbits2ndec 228
nbits2nlong 12649004
nbits2prec 187633785
nbrows 157461526
nchar2nlong 127389109
ndec2nbits 8270
ndec2nlong 41507
ndec2prec 33237
nfV_to_scalar_or_alg 26299
nf_get_G 303548
nf_get_M 21172119
nf_get_Tr 22084
nf_get_degree 71349913
nf_get_diff 4438
nf_get_disc 463858
nf_get_index 3711279
nf_get_invzk 9765247
nf_get_pol 98055924
nf_get_r1 22892660
nf_get_r2 4154
nf_get_ramified_primes 64813
nf_get_roots 1627785
nf_get_roundG 1746575
nf_get_sign 519553
nf_get_varn 1503588
nf_get_zk 4382
nf_get_zkden 5462201
nf_get_zkprimpart 5416315
normalize_frac 17204255
odd 2084956774
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 510589690
pari_malloc 746515742
pari_realloc 1890
pari_realloc_ip 2179138
pari_stack_alloc 1019265823
pari_stack_base 1024658065
pari_stack_delete 5404750
pari_stack_init 5835320
pari_stack_new 924662190
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782826
perm_mul 80926208
perm_sqr 728
pol0_F2x 13244201
pol0_Flx 103499210
pol1_F2x 3957906
pol1_Flx 55051412
pol_0 82998368
pol_1 3756372
pol_x 3856876
pol_xn 2249959
pol_xnall 294
polx_F2x 1078481
polx_Flx 37822722
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43176715
pr_get_e 15952542
pr_get_f 26040428
pr_get_gen 12061929
pr_get_p 91708053
pr_get_tau 48871206
pr_is_inert 16909901
pr_norm 1088501
prec2lg 4515351342
prec2nbits 105718251
prec2nbits_mul 581137
prec2ndec 9778
precdbl 475522
qfb_disc 18514424
qfb_disc3 4990916
qfb_is_qfi 62947803
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8081180512
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 14709146
rowslice 79339102
rowslicepermute 184714
rowsplice 273
ser_isexactzero 10079479
shallowcopy 27640326
sqrfrac 4147853
sqrti 6665689
sqrtnr 2807508
sqrtr 80369872
sstoQ 1097215
sturm 385
submulii 32847018
submuliu 7742
submuliu_inplace 60251839
truecoef 0
trunc_safe 0
ulogint 1725151
upr_norm 346136
uutoQ 1600142
vec_append 3465576
vec_ei 1714630
vec_lengthen 18946
vec_prepend 313994
vec_setconst 0
vec_shorten 11556
vec_to_vecsmall 4036840
veclast 9372669
vecmodii 0
vecmoduu 49784
vecpermute 20529970
vecreverse 697235
vecreverse_inplace 2605
vecslice 656127124
vecslicepermute 2689442
vecsmall_append 4111360
vecsmall_coincidence 0
vecsmall_concat 1464417
vecsmall_copy 4404181
vecsmall_ei 584769
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043187
vecsmall_max 1164474
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186991
vecsmall_reverse 3052
vecsmall_shorten 74573
vecsmall_to_col 7837648
vecsmall_to_vec 511585
vecsmall_to_vec_inplace 3304
vecsmallpermute 78730778
vecsmalltrunc_append 101468235
vecsmalltrunc_init 189399770
vecsplice 384886
vectrunc_append 16161648
vectrunc_append_batch 12306
vectrunc_init 12066792
zc_to_ZC 7823467
zero_F2m 0
zero_F2m_copy 845099
zero_F2v 3648018
zero_F2x 1350
zero_Flm 2830087
zero_Flm_copy 235911
zero_Flv 59496436
zero_Flx 1427087
zero_zm 0
zero_zv 36736922
zero_zx 0
zerocol 122283202
zeromat 109139
zeromatcopy 14240101
zeropadic 855689
zeropadic_shallow 17024
zeropol 42358605
zeroser 138824
zerovec 28455520
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 2184143
zv_to_ZV 503010
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

Generated by: LCOV version 1.16