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 30573-61accf17c8) Lines: 1419 1532 92.6 %
Date: 2025-12-15 09:22:15 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 8039080
F2m_copy 200558
F2m_flip 1554050
F2m_set 798
F2v_clear 12357184
F2v_coeff 661332872
F2v_copy 4487
F2v_ei 42
F2v_flip 1554050
F2v_set 101405304
F2v_to_F2x 37857
F2xX_shift 0
F2x_clear 12357179
F2x_coeff 667895449
F2x_copy 60470499
F2x_div 1570055
F2x_equal 4661207
F2x_equal1 2874059
F2x_flip 1554050
F2x_renormalize 115200783
F2x_set 124718006
F2xqX_div 33173
F3m_coeff 3256715
F3m_copy 0
F3m_set 0
Flm_copy 6435579
Flm_row 8742554
Flv_copy 2555222
Flx_constant 334013
Flx_copy 173841777
Flx_div 1999179
Flx_div_pre 21715448
Flx_equal1 8331072
Flx_lead 980002
Flx_mulu 1105449
FlxqX_div 0
FlxqX_div_pre 165407
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693584
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5583079
FpX_renormalize 144594922
Fp_add 181445170
Fp_addmul 11351266
Fp_center 77203862
Fp_center_i 18003099
Fp_div 15035983
Fp_divu 15130441
Fp_double 22266364
Fp_halve 247348
Fp_inv 23444425
Fp_invsafe 1100567
Fp_mul 200979131
Fp_muls 17780
Fp_mulu 67638217
Fp_neg 31480310
Fp_red 82090682
Fp_sqr 64433874
Fp_sub 203385809
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 572208
FqX_Fq_mul 427288
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38566
FqX_div_by_X_x 69629
FqX_divrem 0
FqX_extgcd 445097
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 3106504
Fq_to_FpXQ 73792
GENbinbase 964560791
QV_isscalar 54419726
Q_abs 8064390
Q_abs_shallow 120245
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622148
RgC_gtofp 34040502
RgC_gtomp 574
RgM_dimensions 9742581
RgM_fpnorml2 22795
RgM_gtofp 8259325
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22179754
RgV_gtofp 56
RgV_is_QV 140788
RgV_is_ZV 32167327
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210306
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103409093
RgX_div 7000740
RgX_equal_var 26883211
RgX_fpnorml2 61628
RgX_gtofp 7147842
RgX_is_QX 400148
RgX_is_ZX 22426259
RgX_is_monomial 1331866
RgX_is_rational 68326
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479399
RgX_shift_inplace_init 479399
RgX_to_RgV 140
Rg_col_ei 1451757
Rg_to_Fq 756
ZC_hnfrem 10696832
ZM_ZV_mod 596662
ZM_hnfrem 363878
ZM_lll 7117660
ZV_ZV_mod 8131665
ZV_dvd 23485
ZV_isscalar 23236052
ZV_to_zv 3211419
ZXQ_mul 2162219
ZXQ_sqr 961156
ZX_equal1 12893
ZX_is_monic 7376172
ZX_renormalize 155042479
Z_ispower 98
Z_issquare 458923
abgrp_get_cyc 12231367
abgrp_get_gen 1765121
abgrp_get_no 355198
absfrac 46644879
absfrac_shallow 28237
addmuliu 535782
addmuliu_inplace 59701008
affc_fixlg 249621
affgr 898866
bid_get_MOD 2157274
bid_get_U 3680256
bid_get_arch 41187
bid_get_archp 2397124
bid_get_cyc 5739839
bid_get_fact 2498970
bid_get_fact2 2201596
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804696
bid_get_ideal 72842
bid_get_mod 1521920
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2158008
bin_copy 497440191
bit_accuracy 3163653084
bit_accuracy_mul 3175472
bit_prec 142838096
bnf_get_clgp 5375651
bnf_get_cyc 3686696
bnf_get_fu 25859
bnf_get_fu_nocheck 289090
bnf_get_gen 1680410
bnf_get_logfu 2874825
bnf_get_nf 9865075
bnf_get_no 8379
bnf_get_reg 648
bnf_get_sunits 1367847
bnf_get_tuN 283010
bnf_get_tuU 303584
bnr_get_bid 2046133
bnr_get_bnf 3751401
bnr_get_clgp 2830252
bnr_get_cyc 2522574
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77147
bnr_get_nf 1368164
bnr_get_no 277500
both_odd 123996350
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975459
cgiv 102283989
checkell_i 5593343
closure_arity 371384712
closure_codestr 321503322
closure_get_code 0
closure_get_data 321463458
closure_get_dbg 13621
closure_get_frame 14174051
closure_get_oper 321485493
closure_get_text 37051
closure_is_variadic 44827379
col_ei 5927098
coltrunc_init 740250
const_col 9730333
const_vec 34490384
const_vecsmall 19712133
constant_coeff 1441410
cxcompotor 18220172
cxnorm 91216220
cxtofp 9084221
cxtoreal 337206
cyc_get_expo 2757833
cyclic_perm 99911
dbllog2r 92830529
degpol 5501348765
div_content 58575
divsBIL 8097488596
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997074
ell_get_a2 7106182
ell_get_a3 8814042
ell_get_a4 8536723
ell_get_a6 10370961
ell_get_b2 7371021
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11017833
ell_get_c6 13474259
ell_get_disc 16814937
ell_get_j 2126227
ell_get_type 12499430
ell_is_inf 52498879
ellff_get_a4a6 800019
ellff_get_field 2036848
ellinf 1869560
ellnf_get_bnf 126
ellnf_get_nf 2027628
equali1 1175736857
equalim1 139506088
err_get_compo 294
err_get_num 62522
gaddgs 123248591
gal_get_den 27881
gal_get_e 91
gal_get_gen 15449
gal_get_group 80400
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 256184632
gc_INT 4110190593
gc_INT_affii 8501232
gc_all 110028309
gc_leaf 1132652813
gc_slice 2204912
gc_upto 1951250018
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 761919
gdivsg 531592
gen_I 1269840
gener_Fq_local 29946
gequalgs 29176
get_F2x_degree 1928988
get_F2x_mod 2499194
get_F2x_var 2534138
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82274244
get_Flx_mod 25609392
get_Flx_var 68415768
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 6424892
get_FpX_mod 3394578
get_FpX_var 6958218
gisdouble 2993104
gmax_shallow 13510228
gmaxsg 0
gmin_shallow 878383
gminsg 0
gmulgs 22603938
gmulgu 282059384
gsubgs 1724803
gtodouble 60795543
gtofp 254372564
gtomp 22428
gtos 85854557
gtou 98313
guncloneNULL 48225918
guncloneNULL_deep 1439655
gval 6230
hash_str 2756815
hash_str_len 31551738
icopy_avma 8042459172
idealchineseinit 5427
idealred 138711
identity_ZV 8113
identity_perm 3242913
identity_zv 3267262
inf_get_sign 1453280
inv_content 0
is_bigint 563001718
is_const_t 4894742906
is_extscalar_t 6876
is_intreal_t 9586694
is_matvec_t 659445210
is_noncalc_t 85878266
is_pm1 2203619310
is_qfb_t 0
is_rational_t 5035640
is_real_t 62063904
is_recursive_t 9240174789
is_scalar_t 375679895
is_universal_constant 325778443
is_vec_t 43963067
isint1 17587129
isintm1 5711148
isintzero 2843463664
ismpzero 9586581
isonstack 8264796270
killblock 1929212
leading_coeff 170558009
leafcopy_avma 577469245
lg_increase 316945728
lgcols 350861336
lgpol 2681809338
lincombii 38222491
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 754921
matpascal 3983
matslice 16823572
mkcol 10641566
mkcol2 156884419
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33546
mkcols 40411
mkcomplex 91625696
mkerr 0
mkfrac 41644244
mkfraccopy 4999464
mkfracss 1209563
mkintmod 8092537
mkintmodu 1813
mkmat 4751418
mkmat2 33663927
mkmat22 50282888
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122279
mkmoo 108864
mkoo 1332146
mkpadic 2009
mkpolmod 3105223
mkqfb 27928566
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71165740
mkvec2 184945184
mkvec2copy 114621
mkvec2s 220439
mkvec3 117705492
mkvec3s 524441
mkvec4 10107011
mkvec4s 21
mkvec5 15187149
mkveccopy 122521
mkvecs 168
mkvecsmall 131704005
mkvecsmall2 233696895
mkvecsmall3 104048651
mkvecsmall4 17832638
mkvecsmall5 1731121
modpr_get_T 13868011
modpr_get_p 1888614
modpr_get_pr 31238917
mul_content 2655143
mul_denom 10713592
mulsubii 3882832
nbits2extraprec 1457040316
nbits2ndec 228
nbits2nlong 12675514
nbits2prec 186153473
nbrows 157536894
nchar2nlong 127436144
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26300
nf_get_G 304258
nf_get_M 21308647
nf_get_Tr 22081
nf_get_degree 71371987
nf_get_diff 4459
nf_get_disc 463985
nf_get_index 3712371
nf_get_invzk 9769475
nf_get_pol 98087290
nf_get_r1 23029391
nf_get_r2 4154
nf_get_ramified_primes 64853
nf_get_roots 1628591
nf_get_roundG 1747586
nf_get_sign 519563
nf_get_varn 1503781
nf_get_zk 4382
nf_get_zkden 5464367
nf_get_zkprimpart 5418586
normalize_frac 17206790
odd 2085304594
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 510845234
pari_malloc 746743274
pari_realloc 1890
pari_realloc_ip 2268970
pari_stack_alloc 1019623132
pari_stack_base 1025228702
pari_stack_delete 5620294
pari_stack_init 6086802
pari_stack_new 924923593
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782938
perm_mul 80933614
perm_sqr 728
pol0_F2x 13245328
pol0_Flx 103527835
pol1_F2x 3957537
pol1_Flx 55093097
pol_0 83002407
pol_1 3756622
pol_x 3858521
pol_xn 2249952
pol_xnall 294
polx_F2x 1078525
polx_Flx 37838917
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43178866
pr_get_e 16105658
pr_get_f 26350685
pr_get_gen 12069861
pr_get_p 92492043
pr_get_tau 49577912
pr_is_inert 17150742
pr_norm 1090331
prec2lg 4469138936
prec2nbits 103968982
prec2nbits_mul 581166
prec2ndec 9778
precdbl 475513
qfb_disc 18514444
qfb_disc3 4995231
qfb_is_qfi 62941101
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8007445183
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 14711165
rowslice 79354147
rowslicepermute 185124
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27643801
sqrfrac 4148299
sqrti 6666947
sqrtnr 2809699
sqrtr 80381444
sstoQ 1097215
sturm 385
submulii 32848628
submuliu 7742
submuliu_inplace 60190377
truecoef 0
trunc_safe 0
ulogint 1720986
upr_norm 346134
uutoQ 1600198
vec_append 3465728
vec_ei 1714761
vec_lengthen 18946
vec_prepend 313984
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036873
veclast 9372754
vecmodii 0
vecmoduu 49784
vecpermute 20548199
vecreverse 697235
vecreverse_inplace 2605
vecslice 656319898
vecslicepermute 2692050
vecsmall_append 4111365
vecsmall_coincidence 0
vecsmall_concat 1464416
vecsmall_copy 4404921
vecsmall_ei 584765
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043253
vecsmall_max 1164662
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186998
vecsmall_reverse 3066
vecsmall_shorten 74581
vecsmall_to_col 7839088
vecsmall_to_vec 511865
vecsmall_to_vec_inplace 3304
vecsmallpermute 78738132
vecsmalltrunc_append 101506357
vecsmalltrunc_init 189804381
vecsplice 384919
vectrunc_append 16161220
vectrunc_append_batch 12306
vectrunc_init 12066006
zc_to_ZC 7824905
zero_F2m 0
zero_F2m_copy 845234
zero_F2v 3648437
zero_F2x 1350
zero_Flm 2830459
zero_Flm_copy 235946
zero_Flv 59570522
zero_Flx 1426850
zero_zm 0
zero_zv 36745933
zero_zx 0
zerocol 122357285
zeromat 109187
zeromatcopy 14251351
zeropadic 855548
zeropadic_shallow 17024
zeropol 42358721
zeroser 138908
zerovec 28455915
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 2183966
zv_to_ZV 503066
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

Generated by: LCOV version 1.16