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 30590-f14e077362) Lines: 1422 1535 92.6 %
Date: 2025-12-31 09:21:49 Functions: 649 707 91.8 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
F2m_clear 0
F2m_coeff 8035122
F2m_copy 200471
F2m_flip 1553054
F2m_set 798
F2v_clear 12351868
F2v_coeff 661300213
F2v_copy 4487
F2v_ei 42
F2v_flip 1553054
F2v_set 101400440
F2v_to_F2x 37535
F2xX_shift 0
F2x_clear 12351874
F2x_coeff 667894943
F2x_copy 59699250
F2x_div 1555492
F2x_equal 4602025
F2x_equal1 2873891
F2x_flip 1553054
F2x_renormalize 114314713
F2x_set 124534102
F2xqX_div 33173
F3m_coeff 3255916
F3m_copy 0
F3m_set 0
Flm_copy 6433471
Flm_row 8741333
Flv_copy 2555060
Flx_constant 334021
Flx_copy 173219610
Flx_div 1998010
Flx_div_pre 21691720
Flx_equal1 8329851
Flx_lead 978895
Flx_mulu 1105489
FlxqX_div 0
FlxqX_div_pre 165415
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4694444
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849917
FpXY_Fq_evaly 20587
FpX_div 5581185
FpX_renormalize 144221558
Fp_add 181234583
Fp_addmul 11275908
Fp_center 77233746
Fp_center_i 18035185
Fp_div 15035854
Fp_divu 15130404
Fp_double 20976410
Fp_halve 247271
Fp_inv 23438495
Fp_invsafe 1100355
Fp_mul 200839430
Fp_muls 17780
Fp_mulu 67528769
Fp_neg 31480592
Fp_red 82188148
Fp_sqr 64191445
Fp_sub 203430491
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 571436
FqX_Fq_mul 427294
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38566
FqX_div_by_X_x 69699
FqX_divrem 0
FqX_extgcd 444662
FqX_factor 140946
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 367703
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 3106667
Fq_to_FpXQ 73652
GENbinbase 961789108
QV_isscalar 54414739
Q_abs 8062557
Q_abs_shallow 120222
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 619833
RgC_gtofp 34030915
RgC_gtomp 574
RgM_dimensions 9741320
RgM_fpnorml2 22661
RgM_gtofp 8257773
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22172940
RgV_gtofp 56
RgV_is_QV 140729
RgV_is_ZV 32158327
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210276
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103406648
RgX_div 7000641
RgX_equal_var 26883025
RgX_fpnorml2 61495
RgX_gtofp 7144830
RgX_is_QX 399922
RgX_is_ZX 22423217
RgX_is_monomial 1331344
RgX_is_rational 68165
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
RgX_to_RgV 140
Rg_col_ei 1451028
Rg_to_Fq 756
ZC_hnfrem 10695914
ZM_ZV_mod 596482
ZM_hnfrem 363789
ZM_lll 7116338
ZV_ZV_mod 8131514
ZV_dvd 23485
ZV_isscalar 23233577
ZV_to_zv 3211408
ZXQ_mul 2161294
ZXQ_sqr 960434
ZX_equal1 12850
ZX_is_monic 7374299
ZX_renormalize 155019640
Z_ispower 98
Z_issquare 458707
abgrp_get_cyc 12230767
abgrp_get_gen 1765015
abgrp_get_no 354944
absfrac 46638360
absfrac_shallow 28237
addmuliu 535790
addmuliu_inplace 59643344
affc_fixlg 249622
affgr 898866
bid_get_MOD 2157247
bid_get_U 3680228
bid_get_arch 41188
bid_get_archp 2397110
bid_get_cyc 5739813
bid_get_fact 2498928
bid_get_fact2 2201569
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804567
bid_get_ideal 72842
bid_get_mod 1521922
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157977
bin_copy 496003083
bit_accuracy 3152537707
bit_accuracy_mul 3175472
bit_prec 142812899
bnf_get_clgp 5374986
bnf_get_cyc 3686144
bnf_get_fu 25859
bnf_get_fu_nocheck 289079
bnf_get_gen 1680302
bnf_get_logfu 2874748
bnf_get_nf 9863866
bnf_get_no 8365
bnf_get_reg 648
bnf_get_sunits 1367775
bnf_get_tuN 283003
bnf_get_tuU 303577
bnr_get_bid 2046093
bnr_get_bnf 3751379
bnr_get_clgp 2830224
bnr_get_cyc 2522547
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77117
bnr_get_nf 1368099
bnr_get_no 277490
both_odd 124076990
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975460
cgiv 102251697
checkell_i 5593289
closure_arity 371281365
closure_codestr 321415835
closure_get_code 0
closure_get_data 321374337
closure_get_dbg 13621
closure_get_frame 14157666
closure_get_oper 321398363
closure_get_text 37051
closure_is_variadic 44789330
col_ei 5924648
coltrunc_init 740250
const_col 9729646
const_vec 34471283
const_vecsmall 19699681
constant_coeff 1441129
cxcompotor 18211305
cxnorm 91203822
cxtofp 9079738
cxtoreal 337207
cyc_get_expo 2757542
cyclic_perm 99911
dbllog2r 92819989
degpol 5492277381
div_content 58518
divsBIL 8087735209
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997088
ell_get_a2 7106186
ell_get_a3 8814056
ell_get_a4 8536727
ell_get_a6 10370965
ell_get_b2 7371032
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11017880
ell_get_c6 13474270
ell_get_disc 16813941
ell_get_j 2126269
ell_get_type 12499099
ell_is_inf 52357904
ellff_get_a4a6 800034
ellff_get_field 2036871
ellinf 1869967
ellnf_get_bnf 119
ellnf_get_nf 2027245
equali1 1174240621
equalim1 139505350
err_get_compo 294
err_get_num 62522
gaddgs 123248644
gal_get_den 27867
gal_get_e 91
gal_get_gen 15435
gal_get_group 80388
gal_get_invvdm 27874
gal_get_mod 23758
gal_get_orders 6678
gal_get_p 6006
gal_get_pol 36316
gal_get_roots 32732
gc_GEN 255498176
gc_INT 4108266342
gc_INT_affii 8492884
gc_all 109630324
gc_leaf 1135690397
gc_slice 2204245
gc_upto 1952073674
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 761917
gdivsg 531588
gen_I 1269708
gener_Fq_local 29946
gequalgs 29176
get_F2x_degree 1928971
get_F2x_mod 2499139
get_F2x_var 2533900
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82223223
get_Flx_mod 25594168
get_Flx_var 68350956
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 6424413
get_FpX_mod 3394355
get_FpX_var 6958105
gisdouble 2991884
gmax_shallow 13510198
gmaxsg 0
gmin_shallow 877661
gminsg 0
gmulgs 22593094
gmulgu 282059385
gsubgs 1724807
gtodouble 60783339
gtofp 254311549
gtomp 22428
gtos 85855666
gtou 99531
guncloneNULL 47921065
guncloneNULL_deep 1425290
gval 6230
hash_str 2756815
hash_str_len 31544535
icopy_avma 8036452727
idealchineseinit 5427
idealred 138455
identity_ZV 8113
identity_perm 3241420
identity_zv 3265770
inf_get_sign 1452914
inv_content 0
is_bigint 562946192
is_const_t 4894711992
is_extscalar_t 6876
is_intreal_t 9585825
is_matvec_t 659427591
is_noncalc_t 85875391
is_pm1 2203107782
is_qfb_t 0
is_rational_t 5032322
is_real_t 62062466
is_recursive_t 9234667699
is_scalar_t 375661183
is_universal_constant 325839062
is_vec_t 43950977
isint1 17584767
isintm1 5710225
isintzero 2843490898
ismpzero 9585730
isonstack 8267338652
killblock 1916450
leading_coeff 170261736
leafcopy_avma 577283767
lg_increase 316091001
lgcols 350619238
lgpol 2682827571
lincombii 38210889
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 754841
matpascal 3983
matslice 16819061
mkcol 10639946
mkcol2 156825117
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232470
mkcolcopy 33547
mkcols 40411
mkcomplex 91615787
mkerr 0
mkfrac 41641987
mkfraccopy 4999560
mkfracss 1209563
mkintmod 8092670
mkintmodu 1813
mkmat 4750844
mkmat2 33652542
mkmat22 50256971
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122240
mkmoo 108783
mkoo 1331878
mkpadic 2009
mkpolmod 3103724
mkqfb 27927471
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71153098
mkvec2 185031911
mkvec2copy 114506
mkvec2s 220245
mkvec3 117668444
mkvec3s 524441
mkvec4 10093634
mkvec4s 21
mkvec5 15185654
mkvec5s 0
mkvec6 0
mkvec6s 301
mkveccopy 122521
mkvecs 168
mkvecsmall 131588625
mkvecsmall2 234862170
mkvecsmall3 104183402
mkvecsmall4 18670339
mkvecsmall5 1717484
modpr_get_T 13867528
modpr_get_p 1888403
modpr_get_pr 31237841
mul_content 2654206
mul_denom 10710987
mulsubii 3881709
nbits2extraprec 1457371250
nbits2ndec 228
nbits2nlong 12750531
nbits2prec 186132869
nbrows 157440339
nchar2nlong 127382486
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26300
nf_get_G 303786
nf_get_M 21306777
nf_get_Tr 22084
nf_get_degree 71364041
nf_get_diff 4445
nf_get_disc 463478
nf_get_index 3711333
nf_get_invzk 9767438
nf_get_pol 98072535
nf_get_r1 23027222
nf_get_r2 4154
nf_get_ramified_primes 64645
nf_get_roots 1627805
nf_get_roundG 1747109
nf_get_sign 519545
nf_get_varn 1503583
nf_get_zk 4382
nf_get_zkden 5463190
nf_get_zkprimpart 5417433
normalize_frac 17205689
odd 2089099040
pari_calloc 47713
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 509358182
pari_malloc 745265883
pari_realloc 1890
pari_realloc_ip 2255658
pari_stack_alloc 1019592617
pari_stack_base 1025097486
pari_stack_delete 5546054
pari_stack_init 6049324
pari_stack_new 924912134
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2781879
perm_mul 80898887
perm_sqr 728
pol0_F2x 13190321
pol0_Flx 103434516
pol1_F2x 3957300
pol1_Flx 55054554
pol_0 82996683
pol_1 3755730
pol_x 3856885
pol_xn 2249257
pol_xnall 294
polx_F2x 1072500
polx_Flx 37488342
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43126908
pr_get_e 16101735
pr_get_f 26341622
pr_get_gen 12066951
pr_get_p 92475153
pr_get_tau 49564250
pr_is_inert 17145872
pr_norm 1089384
prec2lg 4471027690
prec2nbits 103969243
prec2nbits_mul 581167
prec2ndec 9778
precdbl 475379
qfb_disc 18502511
qfb_disc3 4994677
qfb_is_qfi 62325685
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 7996784384
rnf_get_absdegree 1392746
rnf_get_alpha 1428
rnf_get_degree 2506335
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 786086
rnf_get_nfdegree 21455
rnf_get_nfpol 255354
rnf_get_nfvarn 4886
rnf_get_nfzk 7245
rnf_get_pol 2845192
rnf_get_polabs 327628
rnf_get_ramified_primes 2849
rnf_get_varn 574
rnf_get_zk 4830
row 763901
row_i 987
rowcopy 204988
rowpermute 14705335
rowslice 79330305
rowslicepermute 184716
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27626695
sqrfrac 4148174
sqrti 6664614
sqrtnr 2809069
sqrtr 80377055
sstoQ 1097215
sturm 385
submulii 32838828
submuliu 7700
submuliu_inplace 60133273
truecoef 0
trunc_safe 0
ulogint 1713191
upr_norm 346133
uutoQ 1600198
vec_append 3465041
vec_ei 1713855
vec_lengthen 18960
vec_prepend 313996
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036619
veclast 9372703
vecmodii 0
vecmoduu 49784
vecpermute 20542901
vecreverse 697277
vecreverse_inplace 2605
vecslice 656311366
vecslicepermute 2689679
vecsmall_append 4099570
vecsmall_coincidence 0
vecsmall_concat 1464190
vecsmall_copy 4403941
vecsmall_ei 584718
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043259
vecsmall_max 1164150
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186970
vecsmall_reverse 3052
vecsmall_shorten 75641
vecsmall_to_col 7838284
vecsmall_to_vec 511781
vecsmall_to_vec_inplace 3304
vecsmallpermute 78703552
vecsmalltrunc_append 100909523
vecsmalltrunc_init 189487127
vecsplice 384922
vectrunc_append 15853427
vectrunc_append_batch 9667
vectrunc_init 11768813
zc_to_ZC 7824102
zero_F2m 0
zero_F2m_copy 845008
zero_F2v 3647428
zero_F2x 1350
zero_Flm 2829507
zero_Flm_copy 238203
zero_Flv 59640531
zero_Flx 1426901
zero_zm 0
zero_zv 36717360
zero_zx 0
zerocol 122322424
zeromat 109097
zeromatcopy 14248380
zeropadic 855483
zeropadic_shallow 17023
zeropol 42354022
zeroser 138908
zerovec 28453466
zerovec_block 29654
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 2183802
zv_to_ZV 502982
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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