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 30571-c0dfe82732) Lines: 1419 1532 92.6 %
Date: 2025-12-11 09:22:11 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 8039499
F2m_copy 200559
F2m_flip 1554224
F2m_set 798
F2v_clear 12357518
F2v_coeff 661335312
F2v_copy 4487
F2v_ei 42
F2v_flip 1554224
F2v_set 101405648
F2v_to_F2x 37873
F2xX_shift 0
F2x_clear 12357501
F2x_coeff 667870087
F2x_copy 60415369
F2x_div 1570460
F2x_equal 4658459
F2x_equal1 2873941
F2x_flip 1554224
F2x_renormalize 115156407
F2x_set 124705236
F2xqX_div 33173
F3m_coeff 3256660
F3m_copy 0
F3m_set 0
Flm_copy 6435570
Flm_row 8742413
Flv_copy 2555204
Flx_constant 334014
Flx_copy 173830005
Flx_div 1999156
Flx_div_pre 21716009
Flx_equal1 8331112
Flx_lead 980239
Flx_mulu 1105492
FlxqX_div 0
FlxqX_div_pre 165416
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693348
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5583066
FpX_renormalize 144587048
Fp_add 181605264
Fp_addmul 11395137
Fp_center 77213406
Fp_center_i 18049426
Fp_div 15035689
Fp_divu 15130120
Fp_double 22360735
Fp_halve 247348
Fp_inv 23444555
Fp_invsafe 1100559
Fp_mul 201104217
Fp_muls 17780
Fp_mulu 67719490
Fp_neg 31479153
Fp_red 82086807
Fp_sqr 64722526
Fp_sub 203641316
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 572224
FqX_Fq_mul 427293
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 445091
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 367827
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 3106334
Fq_to_FpXQ 73792
GENbinbase 964574959
QV_isscalar 54419620
Q_abs 8064377
Q_abs_shallow 120255
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622150
RgC_gtofp 34044093
RgC_gtomp 574
RgM_dimensions 9742664
RgM_fpnorml2 22794
RgM_gtofp 8260035
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22179869
RgV_gtofp 56
RgV_is_QV 140789
RgV_is_ZV 32167329
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210302
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103409149
RgX_div 7000740
RgX_equal_var 26883207
RgX_fpnorml2 61627
RgX_gtofp 7147763
RgX_is_QX 400150
RgX_is_ZX 22426240
RgX_is_monomial 1331808
RgX_is_rational 68325
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479399
RgX_shift_inplace_init 479399
RgX_to_RgV 140
Rg_col_ei 1451816
Rg_to_Fq 756
ZC_hnfrem 10696941
ZM_ZV_mod 596658
ZM_hnfrem 363886
ZM_lll 7118041
ZV_ZV_mod 8131663
ZV_dvd 23485
ZV_isscalar 23235926
ZV_to_zv 3211421
ZXQ_mul 2162109
ZXQ_sqr 961056
ZX_equal1 12893
ZX_is_monic 7376164
ZX_renormalize 155034244
Z_ispower 98
Z_issquare 458924
abgrp_get_cyc 12231368
abgrp_get_gen 1765130
abgrp_get_no 355203
absfrac 46644850
absfrac_shallow 28237
addmuliu 535755
addmuliu_inplace 59706989
affc_fixlg 249623
affgr 898866
bid_get_MOD 2157280
bid_get_U 3680259
bid_get_arch 41188
bid_get_archp 2397114
bid_get_cyc 5739822
bid_get_fact 2498963
bid_get_fact2 2201598
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804677
bid_get_ideal 72842
bid_get_mod 1521921
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2158014
bin_copy 497443861
bit_accuracy 3163531229
bit_accuracy_mul 3175472
bit_prec 142845623
bnf_get_clgp 5375657
bnf_get_cyc 3686697
bnf_get_fu 25859
bnf_get_fu_nocheck 289094
bnf_get_gen 1680417
bnf_get_logfu 2874817
bnf_get_nf 9865056
bnf_get_no 8379
bnf_get_reg 648
bnf_get_sunits 1367839
bnf_get_tuN 283020
bnf_get_tuU 303597
bnr_get_bid 2046139
bnr_get_bnf 3751402
bnr_get_clgp 2830293
bnr_get_cyc 2522614
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77147
bnr_get_nf 1368182
bnr_get_no 277503
both_odd 123891754
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975460
cgiv 102285019
checkell_i 5593265
closure_arity 371559347
closure_codestr 321696858
closure_get_code 0
closure_get_data 321643917
closure_get_dbg 13621
closure_get_frame 14173831
closure_get_oper 321672517
closure_get_text 37051
closure_is_variadic 44826910
col_ei 5927050
coltrunc_init 740250
const_col 9730271
const_vec 34490620
const_vecsmall 19711937
constant_coeff 1441409
cxcompotor 18221711
cxnorm 91217502
cxtofp 9085016
cxtoreal 337207
cyc_get_expo 2757844
cyclic_perm 99911
dbllog2r 92831052
degpol 5500162403
div_content 58576
divsBIL 8097205632
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997080
ell_get_a2 7106179
ell_get_a3 8814048
ell_get_a4 8536720
ell_get_a6 10370958
ell_get_b2 7371031
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11017465
ell_get_c6 13473930
ell_get_disc 16814436
ell_get_j 2126227
ell_get_type 12499193
ell_is_inf 52453689
ellff_get_a4a6 800027
ellff_get_field 2036850
ellinf 1869459
ellnf_get_bnf 126
ellnf_get_nf 2027634
equali1 1175754880
equalim1 139505709
err_get_compo 294
err_get_num 62523
gaddgs 123248627
gal_get_den 27880
gal_get_e 91
gal_get_gen 15449
gal_get_group 80401
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 256245140
gc_INT 4110972272
gc_INT_affii 8500673
gc_all 110028872
gc_leaf 1132648666
gc_slice 2204853
gc_upto 1951269548
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 761921
gdivsg 531591
gen_I 1269842
gener_Fq_local 29946
gequalgs 29176
get_F2x_degree 1928962
get_F2x_mod 2499132
get_F2x_var 2534084
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82277510
get_Flx_mod 25610583
get_Flx_var 68419259
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 6424873
get_FpX_mod 3394563
get_FpX_var 6958067
gisdouble 2993182
gmax_shallow 13510225
gmaxsg 0
gmin_shallow 878391
gminsg 0
gmulgs 22612857
gmulgu 282059385
gsubgs 1724807
gtodouble 60794011
gtofp 254398279
gtomp 22428
gtos 85854543
gtou 98304
guncloneNULL 48226062
guncloneNULL_deep 1439759
gval 6230
hash_str 2756815
hash_str_len 31551642
icopy_avma 8042627888
idealchineseinit 5427
idealred 138715
identity_ZV 8113
identity_perm 3242968
identity_zv 3267317
inf_get_sign 1453182
inv_content 0
is_bigint 562996821
is_const_t 4894625611
is_extscalar_t 6876
is_intreal_t 9586497
is_matvec_t 659605951
is_noncalc_t 85879244
is_pm1 2203919705
is_qfb_t 0
is_rational_t 5035698
is_real_t 62063903
is_recursive_t 9240192421
is_scalar_t 375679140
is_universal_constant 325995774
is_vec_t 43944741
isint1 17587076
isintm1 5711117
isintzero 2843360265
ismpzero 9586384
isonstack 8266004034
killblock 1929452
leading_coeff 170556206
leafcopy_avma 577248284
lg_increase 314945717
lgcols 350866316
lgpol 2681295207
lincombii 38229864
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 754913
matpascal 3983
matslice 16824556
mkcol 10641643
mkcol2 156882997
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33544
mkcols 40411
mkcomplex 91633062
mkerr 0
mkfrac 41644001
mkfraccopy 4999572
mkfracss 1209563
mkintmod 8092663
mkintmodu 1813
mkmat 4751419
mkmat2 33664102
mkmat22 50283217
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122270
mkmoo 108864
mkoo 1332062
mkpadic 2009
mkpolmod 3105224
mkqfb 27929134
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71168896
mkvec2 184492045
mkvec2copy 114624
mkvec2s 220439
mkvec3 117706350
mkvec3s 524441
mkvec4 10107027
mkvec4s 21
mkvec5 15187137
mkveccopy 122521
mkvecs 168
mkvecsmall 131695430
mkvecsmall2 233683230
mkvecsmall3 104049895
mkvecsmall4 17830489
mkvecsmall5 1731117
modpr_get_T 13868001
modpr_get_p 1888614
modpr_get_pr 31238925
mul_content 2655132
mul_denom 10713648
mulsubii 3882279
nbits2extraprec 1457074117
nbits2ndec 228
nbits2nlong 12675242
nbits2prec 186156679
nbrows 157541694
nchar2nlong 127438577
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26300
nf_get_G 304210
nf_get_M 21308445
nf_get_Tr 22083
nf_get_degree 71372422
nf_get_diff 4459
nf_get_disc 463977
nf_get_index 3712380
nf_get_invzk 9769541
nf_get_pol 98086940
nf_get_r1 23029127
nf_get_r2 4154
nf_get_ramified_primes 64855
nf_get_roots 1628543
nf_get_roundG 1747542
nf_get_sign 519566
nf_get_varn 1503763
nf_get_zk 4382
nf_get_zkden 5464279
nf_get_zkprimpart 5418466
normalize_frac 17206793
odd 2084380185
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 510850155
pari_malloc 746745176
pari_realloc 1890
pari_realloc_ip 2269156
pari_stack_alloc 1019821034
pari_stack_base 1025422819
pari_stack_delete 5620718
pari_stack_init 6086699
pari_stack_new 925122217
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782998
perm_mul 80935015
perm_sqr 728
pol0_F2x 13241963
pol0_Flx 103520882
pol1_F2x 3957085
pol1_Flx 55095079
pol_0 83002364
pol_1 3756605
pol_x 3858466
pol_xn 2249930
pol_xnall 294
polx_F2x 1078683
polx_Flx 37839244
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43178874
pr_get_e 16105714
pr_get_f 26350717
pr_get_gen 12069843
pr_get_p 92491924
pr_get_tau 49577947
pr_is_inert 17150703
pr_norm 1090245
prec2lg 4468553014
prec2nbits 103969628
prec2nbits_mul 581163
prec2ndec 9778
precdbl 475507
qfb_disc 18514495
qfb_disc3 4995510
qfb_is_qfi 62947622
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8007208784
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 764016
row_i 987
rowcopy 204988
rowpermute 14711202
rowslice 79358609
rowslicepermute 184962
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27643359
sqrfrac 4148186
sqrti 6667009
sqrtnr 2809724
sqrtr 80382195
sstoQ 1097215
sturm 385
submulii 32848628
submuliu 7742
submuliu_inplace 60198652
truecoef 0
trunc_safe 0
ulogint 1709778
upr_norm 346136
uutoQ 1600198
vec_append 3465742
vec_ei 1714738
vec_lengthen 18946
vec_prepend 313993
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036866
veclast 9372754
vecmodii 0
vecmoduu 49784
vecpermute 20547131
vecreverse 697235
vecreverse_inplace 2605
vecslice 656381458
vecslicepermute 2691554
vecsmall_append 4111384
vecsmall_coincidence 0
vecsmall_concat 1464428
vecsmall_copy 4404852
vecsmall_ei 584713
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043259
vecsmall_max 1164444
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186998
vecsmall_reverse 3066
vecsmall_shorten 74584
vecsmall_to_col 7838793
vecsmall_to_vec 511865
vecsmall_to_vec_inplace 3304
vecsmallpermute 78739186
vecsmalltrunc_append 101461017
vecsmalltrunc_init 188871404
vecsplice 384925
vectrunc_append 16161617
vectrunc_append_batch 12306
vectrunc_init 12067030
zc_to_ZC 7824614
zero_F2m 0
zero_F2m_copy 845233
zero_F2v 3648460
zero_F2x 1350
zero_Flm 2830546
zero_Flm_copy 235940
zero_Flv 59569205
zero_Flx 1426749
zero_zm 0
zero_zv 36745210
zero_zx 0
zerocol 122362330
zeromat 109139
zeromatcopy 14252221
zeropadic 855397
zeropadic_shallow 17024
zeropol 42358743
zeroser 138908
zerovec 28455844
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 2183953
zv_to_ZV 503066
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

Generated by: LCOV version 1.16