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 30552-d1d0643eee) Lines: 1419 1532 92.6 %
Date: 2025-11-24 09:22:36 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 8039200
F2m_copy 200494
F2m_flip 1554224
F2m_set 798
F2v_clear 12355471
F2v_coeff 661328905
F2v_copy 4487
F2v_ei 42
F2v_flip 1554224
F2v_set 101404172
F2v_to_F2x 37884
F2xX_shift 0
F2x_clear 12355469
F2x_coeff 667899379
F2x_copy 60379196
F2x_div 1570006
F2x_equal 4655362
F2x_equal1 2873869
F2x_flip 1554224
F2x_renormalize 115197363
F2x_set 124741532
F2xqX_div 33173
F3m_coeff 3256661
F3m_copy 0
F3m_set 0
Flm_copy 6433722
Flm_row 8742496
Flv_copy 2555280
Flx_constant 334027
Flx_copy 173835896
Flx_div 1999053
Flx_div_pre 21706992
Flx_equal1 8331020
Flx_lead 980761
Flx_mulu 1105471
FlxqX_div 0
FlxqX_div_pre 165410
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693692
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5581253
FpX_renormalize 144583567
Fp_add 181710160
Fp_addmul 11411221
Fp_center 77250695
Fp_center_i 18061893
Fp_div 15035088
Fp_divu 15129580
Fp_double 22396239
Fp_halve 247348
Fp_inv 23440038
Fp_invsafe 1100556
Fp_mul 201143667
Fp_muls 17780
Fp_mulu 67797970
Fp_neg 31480054
Fp_red 82082519
Fp_sqr 64810554
Fp_sub 203638950
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 572132
FqX_Fq_mul 427292
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 3106453
Fq_to_FpXQ 73792
GENbinbase 964359851
QV_isscalar 54402207
Q_abs 8064122
Q_abs_shallow 120247
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622069
RgC_gtofp 34008898
RgC_gtomp 574
RgM_dimensions 9742112
RgM_fpnorml2 22788
RgM_gtofp 8251936
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22170589
RgV_gtofp 56
RgV_is_QV 140762
RgV_is_ZV 32166728
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210306
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103409292
RgX_div 7000740
RgX_equal_var 26883185
RgX_fpnorml2 61607
RgX_gtofp 7148074
RgX_is_QX 400141
RgX_is_ZX 22422491
RgX_is_monomial 1331801
RgX_is_rational 68311
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
RgX_to_RgV 140
Rg_col_ei 1451341
Rg_to_Fq 756
ZC_hnfrem 10690950
ZM_ZV_mod 596637
ZM_hnfrem 363832
ZM_lll 7112128
ZV_ZV_mod 8131361
ZV_dvd 23485
ZV_isscalar 23098187
ZV_to_zv 3211412
ZXQ_mul 2162091
ZXQ_sqr 961102
ZX_equal1 12893
ZX_is_monic 7376017
ZX_renormalize 155016712
Z_ispower 98
Z_issquare 458925
abgrp_get_cyc 12230266
abgrp_get_gen 1765031
abgrp_get_no 355186
absfrac 46643819
absfrac_shallow 28237
addmuliu 535791
addmuliu_inplace 59739686
affc_fixlg 249620
affgr 898866
bid_get_MOD 2157252
bid_get_U 3680233
bid_get_arch 41188
bid_get_archp 2397112
bid_get_cyc 5739582
bid_get_fact 2498937
bid_get_fact2 2201574
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804437
bid_get_ideal 72842
bid_get_mod 1521921
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157981
bin_copy 497334838
bit_accuracy 3162665630
bit_accuracy_mul 3175472
bit_prec 142662232
bnf_get_clgp 5374936
bnf_get_cyc 3686073
bnf_get_fu 25859
bnf_get_fu_nocheck 289088
bnf_get_gen 1680319
bnf_get_logfu 2874742
bnf_get_nf 9863717
bnf_get_no 8372
bnf_get_reg 648
bnf_get_sunits 1367779
bnf_get_tuN 283009
bnf_get_tuU 303583
bnr_get_bid 2045866
bnr_get_bnf 3750918
bnr_get_clgp 2830026
bnr_get_cyc 2522348
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77119
bnr_get_nf 1368109
bnr_get_no 277495
both_odd 124032127
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975461
cgiv 102119679
checkell_i 5593363
closure_arity 371218130
closure_codestr 321369412
closure_get_code 0
closure_get_data 321310124
closure_get_dbg 13621
closure_get_frame 14169809
closure_get_oper 321340247
closure_get_text 37051
closure_is_variadic 44820644
col_ei 5925918
coltrunc_init 740250
const_col 9729841
const_vec 34481392
const_vecsmall 19707291
constant_coeff 1441429
cxcompotor 18221626
cxnorm 90945003
cxtofp 9084962
cxtoreal 337208
cyc_get_expo 2757782
cyclic_perm 99911
dbllog2r 92831827
degpol 5503447202
div_content 58477
divsBIL 8096333839
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997093
ell_get_a2 7106183
ell_get_a3 8814061
ell_get_a4 8536724
ell_get_a6 10370962
ell_get_b2 7371040
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11018217
ell_get_c6 13474626
ell_get_disc 16815142
ell_get_j 2126227
ell_get_type 12499482
ell_is_inf 52471633
ellff_get_a4a6 800039
ellff_get_field 2036870
ellinf 1869834
ellnf_get_bnf 126
ellnf_get_nf 2027629
equali1 1175168451
equalim1 139505746
err_get_compo 294
err_get_num 62523
gaddgs 123248636
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 256193276
gc_INT 4103959388
gc_INT_affii 8487136
gc_all 110005974
gc_leaf 1132478209
gc_slice 2205021
gc_upto 1949169021
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 761925
gdivsg 531590
gen_I 1269867
gener_Fq_local 29932
gequalgs 29176
get_F2x_degree 1929017
get_F2x_mod 2499118
get_F2x_var 2534146
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82269659
get_Flx_mod 25603798
get_Flx_var 68397259
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 6424782
get_FpX_mod 3394550
get_FpX_var 6957874
gisdouble 2986653
gmax_shallow 13510220
gmaxsg 0
gmin_shallow 878341
gminsg 0
gmulgs 22439053
gmulgu 282059385
gsubgs 1724809
gtodouble 60801876
gtofp 254236769
gtomp 22428
gtos 85854589
gtou 98314
guncloneNULL 48227393
guncloneNULL_deep 1444622
gval 6230
hash_str 2756815
hash_str_len 31550077
icopy_avma 8035860726
idealchineseinit 5427
idealred 138527
identity_ZV 8113
identity_perm 3242440
identity_zv 3266790
inf_get_sign 1453106
inv_content 0
is_bigint 562577740
is_const_t 4888111652
is_extscalar_t 6876
is_intreal_t 9583627
is_matvec_t 659314591
is_noncalc_t 85864081
is_pm1 2202481914
is_qfb_t 0
is_rational_t 5035223
is_real_t 62063862
is_recursive_t 9238256443
is_scalar_t 375670402
is_universal_constant 325778263
is_vec_t 43928060
isint1 17586773
isintm1 5711315
isintzero 2837316602
ismpzero 9583521
isonstack 8255117177
killblock 1929955
leading_coeff 170558751
leafcopy_avma 576801279
lg_increase 316903599
lgcols 350244154
lgpol 2684481589
lincombii 38186703
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 754902
matpascal 3983
matslice 16816895
mkcol 10641061
mkcol2 156861296
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33508
mkcols 40411
mkcomplex 91636526
mkerr 0
mkfrac 41637083
mkfraccopy 4999323
mkfracss 1209563
mkintmod 8092699
mkintmodu 1813
mkmat 4750888
mkmat2 33657970
mkmat22 50276736
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122229
mkmoo 108850
mkoo 1332002
mkpadic 2009
mkpolmod 3105122
mkqfb 27919305
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71142063
mkvec2 185171557
mkvec2copy 114572
mkvec2s 220415
mkvec3 117737502
mkvec3s 524441
mkvec4 10106235
mkvec4s 21
mkvec5 15185248
mkveccopy 122521
mkvecs 168
mkvecsmall 131689417
mkvecsmall2 233634169
mkvecsmall3 104047720
mkvecsmall4 17831319
mkvecsmall5 1731079
modpr_get_T 13867711
modpr_get_p 1888432
modpr_get_pr 31238376
mul_content 2654212
mul_denom 10710221
mulsubii 3881927
nbits2extraprec 1456284497
nbits2ndec 228
nbits2nlong 12678082
nbits2prec 186128328
nbrows 157469272
nchar2nlong 127404910
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26300
nf_get_G 303530
nf_get_M 21171950
nf_get_Tr 22085
nf_get_degree 71351540
nf_get_diff 4438
nf_get_disc 463859
nf_get_index 3711359
nf_get_invzk 9766002
nf_get_pol 98059425
nf_get_r1 22892497
nf_get_r2 4154
nf_get_ramified_primes 64813
nf_get_roots 1627812
nf_get_roundG 1746570
nf_get_sign 519553
nf_get_varn 1503725
nf_get_zk 4382
nf_get_zkden 5462393
nf_get_zkprimpart 5416577
normalize_frac 17205265
odd 2085576110
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 510746576
pari_malloc 746644354
pari_realloc 1890
pari_realloc_ip 2268027
pari_stack_alloc 1019623679
pari_stack_base 1025196565
pari_stack_delete 5618189
pari_stack_init 6084458
pari_stack_new 924952014
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782846
perm_mul 80926993
perm_sqr 728
pol0_F2x 13239903
pol0_Flx 103519460
pol1_F2x 3957544
pol1_Flx 55081359
pol_0 83002124
pol_1 3756430
pol_x 3858324
pol_xn 2249949
pol_xnall 294
polx_F2x 1078425
polx_Flx 37833196
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43178373
pr_get_e 15952885
pr_get_f 26041396
pr_get_gen 12062786
pr_get_p 91708689
pr_get_tau 48871504
pr_is_inert 16910055
pr_norm 1088466
prec2lg 4466075349
prec2nbits 103955153
prec2nbits_mul 581166
prec2ndec 9778
precdbl 475533
qfb_disc 18514491
qfb_disc3 4990597
qfb_is_qfi 62940640
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8005286760
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 764011
row_i 987
rowcopy 204988
rowpermute 14709185
rowslice 79333326
rowslicepermute 184706
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27640655
sqrfrac 4148146
sqrti 6665942
sqrtnr 2808533
sqrtr 80363331
sstoQ 1097215
sturm 385
submulii 32847732
submuliu 7742
submuliu_inplace 60227008
truecoef 0
trunc_safe 0
ulogint 1730966
upr_norm 346135
uutoQ 1600198
vec_append 3465609
vec_ei 1714652
vec_lengthen 18946
vec_prepend 313998
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036839
veclast 9372670
vecmodii 0
vecmoduu 49784
vecpermute 20530158
vecreverse 697235
vecreverse_inplace 2605
vecslice 655927863
vecslicepermute 2689498
vecsmall_append 4111394
vecsmall_coincidence 0
vecsmall_concat 1464446
vecsmall_copy 4404135
vecsmall_ei 584696
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043241
vecsmall_max 1164711
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186991
vecsmall_reverse 3052
vecsmall_shorten 74574
vecsmall_to_col 7837688
vecsmall_to_vec 511809
vecsmall_to_vec_inplace 3304
vecsmallpermute 78731305
vecsmalltrunc_append 101507311
vecsmalltrunc_init 190482641
vecsplice 384914
vectrunc_append 16160538
vectrunc_append_batch 12306
vectrunc_init 12065085
zc_to_ZC 7823506
zero_F2m 0
zero_F2m_copy 845097
zero_F2v 3648054
zero_F2x 1350
zero_Flm 2830062
zero_Flm_copy 235909
zero_Flv 59494683
zero_Flx 1426914
zero_zm 0
zero_zv 36735764
zero_zx 0
zerocol 122281048
zeromat 109155
zeromatcopy 14239539
zeropadic 855726
zeropadic_shallow 17024
zeropol 42358690
zeroser 138908
zerovec 28455670
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 2184020
zv_to_ZV 503010
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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