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 30572-91e0396466) Lines: 1420 1532 92.7 %
Date: 2025-12-12 09:22:23 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 8039227
F2m_copy 200555
F2m_flip 1554077
F2m_set 798
F2v_clear 12357123
F2v_coeff 661333310
F2v_copy 4487
F2v_ei 42
F2v_flip 1554077
F2v_set 101405317
F2v_to_F2x 37876
F2xX_shift 0
F2x_clear 12357100
F2x_coeff 667909113
F2x_copy 60430956
F2x_div 1570494
F2x_equal 4658610
F2x_equal1 2873974
F2x_flip 1554077
F2x_renormalize 115171757
F2x_set 124727925
F2xqX_div 33173
F3m_coeff 3256666
F3m_copy 0
F3m_set 0
Flm_copy 6435440
Flm_row 8742401
Flv_copy 2555204
Flx_constant 334023
Flx_copy 173818736
Flx_div 1999181
Flx_div_pre 21713297
Flx_equal1 8331113
Flx_lead 980165
Flx_mulu 1105485
FlxqX_div 0
FlxqX_div_pre 165411
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693305
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5583072
FpX_renormalize 144587046
Fp_add 181522112
Fp_addmul 11376335
Fp_center 77236298
Fp_center_i 18056465
Fp_div 15035053
Fp_divu 15129510
Fp_double 22307302
Fp_halve 247348
Fp_inv 23444583
Fp_invsafe 1100568
Fp_mul 201072407
Fp_muls 17780
Fp_mulu 67533487
Fp_neg 31481232
Fp_red 82089494
Fp_sqr 64531129
Fp_sub 203524991
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 572213
FqX_Fq_mul 427289
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38567
FqX_div_by_X_x 69629
FqX_divrem 0
FqX_extgcd 445095
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 367829
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 3106422
Fq_to_FpXQ 73792
GENbinbase 964574755
QV_isscalar 54418449
Q_abs 8064354
Q_abs_shallow 120240
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622149
RgC_gtofp 34043147
RgC_gtomp 574
RgM_dimensions 9742633
RgM_fpnorml2 22795
RgM_gtofp 8259732
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22179706
RgV_gtofp 56
RgV_is_QV 140786
RgV_is_ZV 32167330
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210305
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103409211
RgX_div 7000740
RgX_equal_var 26883211
RgX_fpnorml2 61627
RgX_gtofp 7147920
RgX_is_QX 400148
RgX_is_ZX 22426112
RgX_is_monomial 1331780
RgX_is_rational 68323
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
RgX_to_RgV 140
Rg_col_ei 1451713
Rg_to_Fq 756
ZC_hnfrem 10696687
ZM_ZV_mod 596640
ZM_hnfrem 363889
ZM_lll 7117911
ZV_ZV_mod 8131550
ZV_dvd 23485
ZV_isscalar 23235782
ZV_to_zv 3211422
ZXQ_mul 2162184
ZXQ_sqr 961148
ZX_equal1 12893
ZX_is_monic 7376178
ZX_renormalize 155032631
Z_ispower 98
Z_issquare 458926
abgrp_get_cyc 12231347
abgrp_get_gen 1765114
abgrp_get_no 355204
absfrac 46644760
absfrac_shallow 28237
addmuliu 535800
addmuliu_inplace 59710046
affc_fixlg 249617
affgr 898866
bid_get_MOD 2157287
bid_get_U 3680264
bid_get_arch 41188
bid_get_archp 2397115
bid_get_cyc 5739812
bid_get_fact 2498961
bid_get_fact2 2201605
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804664
bid_get_ideal 72842
bid_get_mod 1521921
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2158014
bin_copy 497445158
bit_accuracy 3163646180
bit_accuracy_mul 3175472
bit_prec 142846934
bnf_get_clgp 5375642
bnf_get_cyc 3686689
bnf_get_fu 25859
bnf_get_fu_nocheck 289086
bnf_get_gen 1680406
bnf_get_logfu 2874814
bnf_get_nf 9865073
bnf_get_no 8379
bnf_get_reg 648
bnf_get_sunits 1367842
bnf_get_tuN 283003
bnf_get_tuU 303574
bnr_get_bid 2046150
bnr_get_bnf 3751392
bnr_get_clgp 2830293
bnr_get_cyc 2522604
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77147
bnr_get_nf 1368187
bnr_get_no 277505
both_odd 123922655
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975456
cgiv 102282851
checkell_i 5593304
closure_arity 371293441
closure_codestr 321412846
closure_get_code 0
closure_get_data 321372703
closure_get_dbg 13621
closure_get_frame 14173944
closure_get_oper 321394490
closure_get_text 37051
closure_is_variadic 44827323
col_ei 5927053
coltrunc_init 740250
const_col 9730278
const_vec 34489900
const_vecsmall 19712011
constant_coeff 1441424
cxcompotor 18222427
cxnorm 91219246
cxtofp 9085393
cxtoreal 337203
cyc_get_expo 2757835
cyclic_perm 99911
dbllog2r 92833266
degpol 5499156697
div_content 58575
divsBIL 8096996458
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997084
ell_get_a2 7106184
ell_get_a3 8814052
ell_get_a4 8536725
ell_get_a6 10370963
ell_get_b2 7371030
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11017848
ell_get_c6 13474250
ell_get_disc 16814989
ell_get_j 2126227
ell_get_type 12499254
ell_is_inf 52449012
ellff_get_a4a6 800030
ellff_get_field 2036863
ellinf 1869579
ellnf_get_bnf 126
ellnf_get_nf 2027645
equali1 1175737917
equalim1 139505901
err_get_compo 294
err_get_num 62523
gaddgs 123248639
gal_get_den 27881
gal_get_e 91
gal_get_gen 15449
gal_get_group 80399
gal_get_invvdm 27888
gal_get_mod 23772
gal_get_orders 6678
gal_get_p 6020
gal_get_pol 36344
gal_get_roots 32760
gc_GEN 256244074
gc_INT 4110559697
gc_INT_affii 8500403
gc_all 110028421
gc_leaf 1132303553
gc_slice 2204933
gc_upto 1951274979
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 761926
gdivsg 531589
gen_I 1269849
gener_Fq_local 29946
gequalgs 29176
get_F2x_degree 1929016
get_F2x_mod 2499168
get_F2x_var 2534167
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82198454
get_Flx_mod 25610336
get_Flx_var 68416873
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 6424719
get_FpX_mod 3394581
get_FpX_var 6958107
gisdouble 2993475
gmax_shallow 13510228
gmaxsg 0
gmin_shallow 878329
gminsg 0
gmulgs 22607745
gmulgu 282059385
gsubgs 1724798
gtodouble 60798447
gtofp 254399021
gtomp 22428
gtos 85854574
gtou 98322
guncloneNULL 48229376
guncloneNULL_deep 1442926
gval 6230
hash_str 2756815
hash_str_len 31551629
icopy_avma 8042676426
idealchineseinit 5427
idealred 138712
identity_ZV 8113
identity_perm 3242872
identity_zv 3267222
inf_get_sign 1453169
inv_content 0
is_bigint 562997259
is_const_t 4894543691
is_extscalar_t 6876
is_intreal_t 9586699
is_matvec_t 659362392
is_noncalc_t 85878398
is_pm1 2203417948
is_qfb_t 0
is_rational_t 5035703
is_real_t 62063900
is_recursive_t 9240375648
is_scalar_t 375678449
is_universal_constant 325810848
is_vec_t 43961399
isint1 17587202
isintm1 5711233
isintzero 2843233333
ismpzero 9586593
isonstack 8264602083
killblock 1930620
leading_coeff 170557200
leafcopy_avma 577372140
lg_increase 321533773
lgcols 350855505
lgpol 2681176953
lincombii 38215137
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 754920
matpascal 3983
matslice 16823905
mkcol 10641612
mkcol2 156900410
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33539
mkcols 40411
mkcomplex 91635320
mkerr 0
mkfrac 41644695
mkfraccopy 4999471
mkfracss 1209563
mkintmod 8092661
mkintmodu 1813
mkmat 4751381
mkmat2 33663933
mkmat22 50285995
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122265
mkmoo 108865
mkoo 1332043
mkpadic 2009
mkpolmod 3105223
mkqfb 27928748
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71165081
mkvec2 185848557
mkvec2copy 114621
mkvec2s 220441
mkvec3 117485263
mkvec3s 524441
mkvec4 10107042
mkvec4s 21
mkvec5 15187136
mkveccopy 122521
mkvecs 168
mkvecsmall 131698461
mkvecsmall2 233669977
mkvecsmall3 104043104
mkvecsmall4 17829065
mkvecsmall5 1731084
modpr_get_T 13867985
modpr_get_p 1888614
modpr_get_pr 31238952
mul_content 2655042
mul_denom 10713248
mulsubii 3881914
nbits2extraprec 1457135355
nbits2ndec 228
nbits2nlong 12678429
nbits2prec 186161701
nbrows 157539312
nchar2nlong 127439661
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26300
nf_get_G 304280
nf_get_M 21308368
nf_get_Tr 22084
nf_get_degree 71371446
nf_get_diff 4459
nf_get_disc 463985
nf_get_index 3712381
nf_get_invzk 9769479
nf_get_pol 98085589
nf_get_r1 23028957
nf_get_r2 4154
nf_get_ramified_primes 64855
nf_get_roots 1628608
nf_get_roundG 1747608
nf_get_sign 519567
nf_get_varn 1503788
nf_get_zk 4382
nf_get_zkden 5464192
nf_get_zkprimpart 5418428
normalize_frac 17206409
odd 2084993045
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 510857770
pari_malloc 746746589
pari_realloc 1890
pari_realloc_ip 2269499
pari_stack_alloc 1019551072
pari_stack_base 1025167098
pari_stack_delete 5632291
pari_stack_init 6087105
pari_stack_new 924854702
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782986
perm_mul 80934883
perm_sqr 728
pol0_F2x 13244393
pol0_Flx 103521924
pol1_F2x 3957690
pol1_Flx 55093526
pol_0 83002369
pol_1 3756647
pol_x 3858339
pol_xn 2249968
pol_xnall 294
polx_F2x 1078595
polx_Flx 37836141
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43178964
pr_get_e 16105727
pr_get_f 26350720
pr_get_gen 12069846
pr_get_p 92491933
pr_get_tau 49578012
pr_is_inert 17150101
pr_norm 1090312
prec2lg 4468584035
prec2nbits 103969643
prec2nbits_mul 581167
prec2ndec 9778
precdbl 475521
qfb_disc 18514439
qfb_disc3 4995333
qfb_is_qfi 62944127
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8007036733
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 764015
row_i 987
rowcopy 204988
rowpermute 14711189
rowslice 79357015
rowslicepermute 185042
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27643169
sqrfrac 4148131
sqrti 6666977
sqrtnr 2809784
sqrtr 80382242
sstoQ 1097215
sturm 385
submulii 32848628
submuliu 7742
submuliu_inplace 60205427
truecoef 0
trunc_safe 0
ulogint 1724663
upr_norm 346135
uutoQ 1600198
vec_append 3465731
vec_ei 1714762
vec_lengthen 18946
vec_prepend 313996
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036844
veclast 9372752
vecmodii 0
vecmoduu 49784
vecpermute 20546578
vecreverse 697235
vecreverse_inplace 2605
vecslice 656343485
vecslicepermute 2691598
vecsmall_append 4111368
vecsmall_coincidence 0
vecsmall_concat 1464409
vecsmall_copy 4404936
vecsmall_ei 584722
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043259
vecsmall_max 1164760
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186998
vecsmall_reverse 3066
vecsmall_shorten 74585
vecsmall_to_col 7838868
vecsmall_to_vec 511865
vecsmall_to_vec_inplace 3304
vecsmallpermute 78739358
vecsmalltrunc_append 101541560
vecsmalltrunc_init 191778143
vecsplice 384927
vectrunc_append 16160237
vectrunc_append_batch 12306
vectrunc_init 12065558
zc_to_ZC 7824686
zero_F2m 0
zero_F2m_copy 845240
zero_F2v 3648453
zero_F2x 1350
zero_Flm 2830462
zero_Flm_copy 235942
zero_Flv 59571733
zero_Flx 1426847
zero_zm 0
zero_zv 36746501
zero_zx 0
zerocol 122361714
zeromat 109204
zeromatcopy 14251868
zeropadic 855721
zeropadic_shallow 17024
zeropol 42358727
zeroser 138908
zerovec 28455776
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 2183943
zv_to_ZV 503066
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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