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 30531-d68fd7cb7d) Lines: 1419 1532 92.6 %
Date: 2025-10-16 09:22:45 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 8039214
F2m_copy 200495
F2m_flip 1554224
F2m_set 798
F2v_clear 12355565
F2v_coeff 661329232
F2v_copy 4487
F2v_ei 42
F2v_flip 1554224
F2v_set 101404211
F2v_to_F2x 37897
F2xX_shift 0
F2x_clear 12355571
F2x_coeff 667939630
F2x_copy 60408717
F2x_div 1570290
F2x_equal 4658402
F2x_equal1 2873773
F2x_flip 1554224
F2x_renormalize 115229832
F2x_set 124763054
F2xqX_div 33173
F3m_coeff 3256656
F3m_copy 0
F3m_set 0
Flm_copy 6433597
Flm_row 8742606
Flv_copy 2555444
Flx_constant 333156
Flx_copy 173763335
Flx_div 1999032
Flx_div_pre 21700600
Flx_equal1 8326898
Flx_lead 979936
Flx_mulu 1105187
FlxqX_div 0
FlxqX_div_pre 165415
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693316
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5581081
FpX_renormalize 144582809
Fp_add 181687756
Fp_addmul 11406922
Fp_center 77212591
Fp_center_i 18058485
Fp_div 15035594
Fp_divu 15135376
Fp_double 22384679
Fp_halve 247348
Fp_inv 23437940
Fp_invsafe 1100360
Fp_mul 201144101
Fp_muls 17780
Fp_mulu 67212544
Fp_neg 30907104
Fp_red 82089609
Fp_sqr 64804426
Fp_sub 203714226
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 572125
FqX_Fq_mul 427295
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 445046
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 367813
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 3106440
Fq_to_FpXQ 73792
GENbinbase 964254522
QV_isscalar 54399957
Q_abs 8062590
Q_abs_shallow 120259
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622064
RgC_gtofp 34012694
RgC_gtomp 574
RgM_dimensions 9742101
RgM_fpnorml2 22780
RgM_gtofp 8252701
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22169967
RgV_gtofp 56
RgV_is_QV 140761
RgV_is_ZV 32164052
RgV_isin 110130
RgV_isin_i 110130
RgV_isscalar 1210306
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669371
RgX_copy 103404908
RgX_div 7000740
RgX_equal_var 26880643
RgX_fpnorml2 61609
RgX_gtofp 7147582
RgX_is_QX 400126
RgX_is_ZX 22421924
RgX_is_monomial 1331247
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 1451316
Rg_to_Fq 756
ZC_hnfrem 10690798
ZM_ZV_mod 596615
ZM_hnfrem 363839
ZM_lll 7112705
ZV_ZV_mod 8131273
ZV_dvd 23485
ZV_isscalar 23097851
ZV_to_zv 3211415
ZXQ_mul 2162042
ZXQ_sqr 961086
ZX_equal1 12711
ZX_is_monic 7375991
ZX_renormalize 155036298
Z_ispower 98
Z_issquare 458918
abgrp_get_cyc 12230172
abgrp_get_gen 1765040
abgrp_get_no 355180
absfrac 46637687
absfrac_shallow 28237
addmuliu 541119
addmuliu_inplace 59693153
affc_fixlg 249594
affgr 898817
bid_get_MOD 2157258
bid_get_U 3680235
bid_get_arch 41188
bid_get_archp 2397071
bid_get_cyc 5739537
bid_get_fact 2498895
bid_get_fact2 2201578
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804389
bid_get_ideal 72842
bid_get_mod 1521921
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157976
bin_copy 497277552
bit_accuracy 3163383290
bit_accuracy_mul 3175454
bit_prec 143017052
bnf_get_clgp 5374946
bnf_get_cyc 3686074
bnf_get_fu 25859
bnf_get_fu_nocheck 289089
bnf_get_gen 1680325
bnf_get_logfu 2874719
bnf_get_nf 9863724
bnf_get_no 8372
bnf_get_reg 648
bnf_get_sunits 1367778
bnf_get_tuN 283007
bnf_get_tuU 303584
bnr_get_bid 2045860
bnr_get_bnf 3750890
bnr_get_clgp 2829989
bnr_get_cyc 2522327
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77119
bnr_get_nf 1368117
bnr_get_no 277492
both_odd 124007200
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975623
cgiv 102120360
checkell_i 5593337
closure_arity 371197011
closure_codestr 321363129
closure_get_code 0
closure_get_data 321306520
closure_get_dbg 13621
closure_get_frame 14147645
closure_get_oper 321336775
closure_get_text 37051
closure_is_variadic 40153106
col_ei 5925807
coltrunc_init 740250
const_col 9729874
const_vec 34469336
const_vecsmall 19663605
constant_coeff 1441483
cxcompotor 18218667
cxnorm 90946725
cxtofp 9083587
cxtoreal 337179
cyc_get_expo 2757759
cyclic_perm 99911
dbllog2r 94011146
degpol 5500447014
div_content 58475
divsBIL 8170974114
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 7105473
ell_get_a3 8813347
ell_get_a4 8536014
ell_get_a6 10370252
ell_get_b2 7369853
ell_get_b4 2549033
ell_get_b6 3861932
ell_get_b8 3297414
ell_get_c4 10728688
ell_get_c6 12892044
ell_get_disc 16525579
ell_get_j 2126227
ell_get_type 12499486
ell_is_inf 52501728
ellff_get_a4a6 800039
ellff_get_field 2036878
ellinf 1868506
ellnf_get_bnf 126
ellnf_get_nf 2027601
equali1 1175153942
equalim1 139504476
err_get_compo 294
err_get_num 62530
gaddgs 123245805
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 256170734
gc_INT 4103768992
gc_INT_affii 8488273
gc_all 109992400
gc_leaf 1132710108
gc_slice 2204921
gc_upto 1949618758
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 761913
gdivsg 531334
gen_I 1269820
gener_Fq_local 29930
gequalgs 29176
get_F2x_degree 1929076
get_F2x_mod 2499090
get_F2x_var 2534229
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82219379
get_Flx_mod 25597254
get_Flx_var 68352866
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 6424469
get_FpX_mod 3394345
get_FpX_var 6957701
gisdouble 2988035
gmax_shallow 13510219
gmaxsg 0
gmin_shallow 878328
gminsg 0
gmulgs 22500803
gmulgu 282058132
gsubgs 1724187
gtodouble 60765611
gtofp 254218514
gtomp 22428
gtos 85833260
gtou 98307
guncloneNULL 48153354
guncloneNULL_deep 1385197
gval 5824
hash_str 2754915
hash_str_len 31542910
icopy_avma 8035661913
idealchineseinit 5427
idealred 138525
identity_ZV 8113
identity_perm 3242571
identity_zv 3266921
inf_get_sign 1453118
inv_content 0
is_bigint 562562108
is_const_t 4890007900
is_extscalar_t 6876
is_intreal_t 9583835
is_matvec_t 659882278
is_noncalc_t 85862119
is_pm1 2201723641
is_qfb_t 0
is_rational_t 5035171
is_real_t 62659217
is_recursive_t 9245041111
is_scalar_t 375643336
is_universal_constant 325792030
is_vec_t 43964526
isint1 17571959
isintm1 5704286
isintzero 2839014812
ismpzero 9583718
isonstack 8255461398
killblock 1900191
leading_coeff 170555172
leafcopy_avma 576860666
lg_increase 313684871
lgcols 350244583
lgpol 2683333558
lincombii 38189328
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 16817852
mkcol 10641073
mkcol2 156924911
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33509
mkcols 40411
mkcomplex 91635820
mkerr 0
mkfrac 41638828
mkfraccopy 4999073
mkfracss 1209563
mkintmod 8092629
mkintmodu 1813
mkmat 4750792
mkmat2 33658362
mkmat22 50283400
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122252
mkmoo 108848
mkoo 1332017
mkpadic 2009
mkpolmod 3105019
mkqfb 27920371
mkquad 69118
mkrfrac 698152
mkrfraccopy 14
mkvec 71133417
mkvec2 184639899
mkvec2copy 114570
mkvec2s 220419
mkvec3 117724330
mkvec3s 524441
mkvec4 10105967
mkvec4s 21
mkvec5 15184848
mkveccopy 122521
mkvecs 168
mkvecsmall 131664897
mkvecsmall2 233632882
mkvecsmall3 104049388
mkvecsmall4 17839561
mkvecsmall5 1730643
modpr_get_T 13867598
modpr_get_p 1888432
modpr_get_pr 31238008
mul_content 2654082
mul_denom 10709786
mulsubii 3881250
nbits2extraprec 1498768367
nbits2ndec 228
nbits2nlong 12649865
nbits2prec 187645452
nbrows 157469500
nchar2nlong 127391644
ndec2nbits 8270
ndec2nlong 41507
ndec2prec 33237
nfV_to_scalar_or_alg 26300
nf_get_G 303600
nf_get_M 21171667
nf_get_Tr 22082
nf_get_degree 71350291
nf_get_diff 4438
nf_get_disc 463859
nf_get_index 3711292
nf_get_invzk 9765406
nf_get_pol 98056376
nf_get_r1 22892176
nf_get_r2 4154
nf_get_ramified_primes 64812
nf_get_roots 1627855
nf_get_roundG 1746627
nf_get_sign 519553
nf_get_varn 1503577
nf_get_zk 4382
nf_get_zkden 5462202
nf_get_zkprimpart 5416304
normalize_frac 17204472
odd 2084781201
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 510594711
pari_malloc 746529596
pari_realloc 1890
pari_realloc_ip 2180214
pari_stack_alloc 1019315974
pari_stack_base 1024689626
pari_stack_delete 5388563
pari_stack_init 5835261
pari_stack_new 924709997
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782844
perm_mul 80927235
perm_sqr 728
pol0_F2x 13244906
pol0_Flx 103502299
pol1_F2x 3958040
pol1_Flx 55053172
pol_0 82998283
pol_1 3756407
pol_x 3856843
pol_xn 2249966
pol_xnall 294
polx_F2x 1078566
polx_Flx 37822644
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43176772
pr_get_e 15952943
pr_get_f 26041070
pr_get_gen 12062120
pr_get_p 91709044
pr_get_tau 48871974
pr_is_inert 16910201
pr_norm 1088583
prec2lg 4515010539
prec2nbits 105722257
prec2nbits_mul 581139
prec2ndec 9778
precdbl 475516
qfb_disc 18514427
qfb_disc3 4991137
qfb_is_qfi 62950055
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8081404993
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 764012
row_i 987
rowcopy 204988
rowpermute 14709467
rowslice 79336258
rowslicepermute 184906
rowsplice 273
ser_isexactzero 10079479
shallowcopy 27639529
sqrfrac 4147687
sqrti 6665610
sqrtnr 2807642
sqrtr 80371094
sstoQ 1097215
sturm 385
submulii 32847018
submuliu 7742
submuliu_inplace 60188765
truecoef 0
trunc_safe 0
ulogint 1720306
upr_norm 346135
uutoQ 1600142
vec_append 3465581
vec_ei 1714611
vec_lengthen 18946
vec_prepend 313999
vec_setconst 0
vec_shorten 11556
vec_to_vecsmall 4036827
veclast 9372682
vecmodii 0
vecmoduu 49784
vecpermute 20530954
vecreverse 697235
vecreverse_inplace 2605
vecslice 656054327
vecslicepermute 2690098
vecsmall_append 4111377
vecsmall_coincidence 0
vecsmall_concat 1464425
vecsmall_copy 4404253
vecsmall_ei 584730
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043259
vecsmall_max 1164583
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186991
vecsmall_reverse 3052
vecsmall_shorten 74573
vecsmall_to_col 7837930
vecsmall_to_vec 511585
vecsmall_to_vec_inplace 3304
vecsmallpermute 78731703
vecsmalltrunc_append 101459031
vecsmalltrunc_init 189345485
vecsplice 384902
vectrunc_append 16163582
vectrunc_append_batch 12306
vectrunc_init 12067128
zc_to_ZC 7823748
zero_F2m 0
zero_F2m_copy 845093
zero_F2v 3648052
zero_F2x 1350
zero_Flm 2830193
zero_Flm_copy 235913
zero_Flv 59498127
zero_Flx 1426919
zero_zm 0
zero_zv 36737918
zero_zx 0
zerocol 122288268
zeromat 109126
zeromatcopy 14240870
zeropadic 855629
zeropadic_shallow 17024
zeropol 42358595
zeroser 138824
zerovec 28455435
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 2184187
zv_to_ZV 503010
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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