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 30532-0c728fd268) Lines: 1419 1532 92.6 %
Date: 2025-10-20 09:22:51 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 8039107
F2m_copy 200499
F2m_flip 1554195
F2m_set 798
F2v_clear 12355668
F2v_coeff 661328639
F2v_copy 4487
F2v_ei 42
F2v_flip 1554195
F2v_set 101404261
F2v_to_F2x 37807
F2xX_shift 0
F2x_clear 12355662
F2x_coeff 667989041
F2x_copy 60430796
F2x_div 1570300
F2x_equal 4658857
F2x_equal1 2874256
F2x_flip 1554195
F2x_renormalize 115247613
F2x_set 124791465
F2xqX_div 33173
F3m_coeff 3256769
F3m_copy 0
F3m_set 0
Flm_copy 6433479
Flm_row 8742091
Flv_copy 2555413
Flx_constant 333156
Flx_copy 173777330
Flx_div 1999004
Flx_div_pre 21703981
Flx_equal1 8327476
Flx_lead 980622
Flx_mulu 1105142
FlxqX_div 0
FlxqX_div_pre 165414
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693307
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5581052
FpX_renormalize 144584643
Fp_add 181704351
Fp_addmul 11404253
Fp_center 77223358
Fp_center_i 18047871
Fp_div 15035424
Fp_divu 15135242
Fp_double 22388758
Fp_halve 247348
Fp_inv 23437721
Fp_invsafe 1100352
Fp_mul 201137193
Fp_muls 17780
Fp_mulu 67187808
Fp_neg 30909053
Fp_red 82090839
Fp_sqr 64824901
Fp_sub 203695345
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 572117
FqX_Fq_mul 427295
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38547
FqX_div_by_X_x 69629
FqX_divrem 0
FqX_extgcd 445048
FqX_factor 141051
FqX_factor_squarefree 7
FqX_gcd 8246
FqX_get_red 6090
FqX_halfgcd 0
FqX_halve 19411
FqX_integ 0
FqX_is_squarefree 683802
FqX_mul 367818
FqX_mulu 21942
FqX_neg 24956
FqX_normalize 4123
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 3106441
Fq_to_FpXQ 73792
GENbinbase 964245706
QV_isscalar 54401134
Q_abs 8062581
Q_abs_shallow 120245
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622066
RgC_gtofp 34009619
RgC_gtomp 574
RgM_dimensions 9742060
RgM_fpnorml2 22781
RgM_gtofp 8252050
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22169728
RgV_gtofp 56
RgV_is_QV 140762
RgV_is_ZV 32164054
RgV_isin 110130
RgV_isin_i 110130
RgV_isscalar 1210306
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669371
RgX_copy 103404880
RgX_div 7000740
RgX_equal_var 26880624
RgX_fpnorml2 61608
RgX_gtofp 7147956
RgX_is_QX 400134
RgX_is_ZX 22421736
RgX_is_monomial 1331274
RgX_is_rational 68306
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
RgX_to_RgV 140
Rg_col_ei 1451336
Rg_to_Fq 756
ZC_hnfrem 10690696
ZM_ZV_mod 596614
ZM_hnfrem 363831
ZM_lll 7112316
ZV_ZV_mod 8131189
ZV_dvd 23485
ZV_isscalar 23098261
ZV_to_zv 3211413
ZXQ_mul 2162043
ZXQ_sqr 961076
ZX_equal1 12711
ZX_is_monic 7375998
ZX_renormalize 155028950
Z_ispower 98
Z_issquare 458925
abgrp_get_cyc 12230150
abgrp_get_gen 1765027
abgrp_get_no 355185
absfrac 46637608
absfrac_shallow 28237
addmuliu 541173
addmuliu_inplace 59687121
affc_fixlg 249594
affgr 898817
bid_get_MOD 2157247
bid_get_U 3680225
bid_get_arch 41188
bid_get_archp 2397042
bid_get_cyc 5739508
bid_get_fact 2498920
bid_get_fact2 2201574
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804358
bid_get_ideal 72842
bid_get_mod 1521921
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157966
bin_copy 497273978
bit_accuracy 3163479638
bit_accuracy_mul 3175454
bit_prec 143013223
bnf_get_clgp 5374925
bnf_get_cyc 3686069
bnf_get_fu 25859
bnf_get_fu_nocheck 289076
bnf_get_gen 1680313
bnf_get_logfu 2874713
bnf_get_nf 9863703
bnf_get_no 8372
bnf_get_reg 648
bnf_get_sunits 1367776
bnf_get_tuN 282999
bnf_get_tuU 303577
bnr_get_bid 2045865
bnr_get_bnf 3750903
bnr_get_clgp 2830022
bnr_get_cyc 2522338
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77118
bnr_get_nf 1368110
bnr_get_no 277493
both_odd 124129458
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975622
cgiv 102120302
checkell_i 5593304
closure_arity 371332832
closure_codestr 321494049
closure_get_code 0
closure_get_data 321440682
closure_get_dbg 13621
closure_get_frame 14147681
closure_get_oper 321470265
closure_get_text 37051
closure_is_variadic 40153252
col_ei 5925747
coltrunc_init 740250
const_col 9729870
const_vec 34469256
const_vecsmall 19663438
constant_coeff 1441502
cxcompotor 18217234
cxnorm 90946815
cxtofp 9082801
cxtoreal 337177
cyc_get_expo 2757764
cyclic_perm 99911
dbllog2r 94010986
degpol 5500429552
div_content 58477
divsBIL 8170950793
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8996384
ell_get_a2 7105479
ell_get_a3 8813352
ell_get_a4 8536020
ell_get_a6 10370258
ell_get_b2 7369852
ell_get_b4 2549033
ell_get_b6 3861932
ell_get_b8 3297414
ell_get_c4 10728661
ell_get_c6 12892006
ell_get_disc 16525574
ell_get_j 2126227
ell_get_type 12499335
ell_is_inf 52478290
ellff_get_a4a6 800045
ellff_get_field 2036896
ellinf 1868502
ellnf_get_bnf 126
ellnf_get_nf 2027608
equali1 1175150913
equalim1 139504516
err_get_compo 294
err_get_num 62529
gaddgs 123245802
gal_get_den 27874
gal_get_e 91
gal_get_gen 15449
gal_get_group 80395
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 256159325
gc_INT 4104047677
gc_INT_affii 8490471
gc_all 109992537
gc_leaf 1132408451
gc_slice 2205040
gc_upto 1949594279
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 243932
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 761928
gdivsg 531336
gen_I 1269849
gener_Fq_local 29932
gequalgs 29176
get_F2x_degree 1929159
get_F2x_mod 2499322
get_F2x_var 2534301
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82205967
get_Flx_mod 25597308
get_Flx_var 68349683
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 6424445
get_FpX_mod 3394348
get_FpX_var 6958022
gisdouble 2987782
gmax_shallow 13510220
gmaxsg 0
gmin_shallow 878302
gminsg 0
gmulgs 22502274
gmulgu 282058132
gsubgs 1724188
gtodouble 60766047
gtofp 254196613
gtomp 22428
gtos 85833296
gtou 98324
guncloneNULL 48153895
guncloneNULL_deep 1385780
gval 5824
hash_str 2754914
hash_str_len 31542847
icopy_avma 8035593401
idealchineseinit 5427
idealred 138522
identity_ZV 8113
identity_perm 3242573
identity_zv 3266923
inf_get_sign 1453098
inv_content 0
is_bigint 562571080
is_const_t 4890151990
is_extscalar_t 6876
is_intreal_t 9583849
is_matvec_t 660003666
is_noncalc_t 85861330
is_pm1 2201788257
is_qfb_t 0
is_rational_t 5035131
is_real_t 62659216
is_recursive_t 9244983080
is_scalar_t 375643499
is_universal_constant 325799551
is_vec_t 43964388
isint1 17572047
isintm1 5704379
isintzero 2839092948
ismpzero 9583733
isonstack 8255609657
killblock 1900263
leading_coeff 170554845
leafcopy_avma 577281552
lg_increase 313912855
lgcols 350233517
lgpol 2683082837
lincombii 38189889
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 755024
matpascal 3885
matslice 16817289
mkcol 10641007
mkcol2 156921055
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33506
mkcols 40411
mkcomplex 91629503
mkerr 0
mkfrac 41638032
mkfraccopy 4998968
mkfracss 1209563
mkintmod 8092676
mkintmodu 1813
mkmat 4750796
mkmat2 33658455
mkmat22 50282672
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122267
mkmoo 108849
mkoo 1331994
mkpadic 2009
mkpolmod 3105023
mkqfb 27919822
mkquad 69118
mkrfrac 698152
mkrfraccopy 14
mkvec 71137748
mkvec2 184708478
mkvec2copy 114572
mkvec2s 220419
mkvec3 117685418
mkvec3s 524441
mkvec4 10105975
mkvec4s 21
mkvec5 15184827
mkveccopy 122521
mkvecs 168
mkvecsmall 131679885
mkvecsmall2 233594087
mkvecsmall3 104043580
mkvecsmall4 17824166
mkvecsmall5 1730614
modpr_get_T 13867538
modpr_get_p 1888432
modpr_get_pr 31237851
mul_content 2654156
mul_denom 10709916
mulsubii 3881653
nbits2extraprec 1498720236
nbits2ndec 228
nbits2nlong 12651069
nbits2prec 187645906
nbrows 157466782
nchar2nlong 127389422
ndec2nbits 8270
ndec2nlong 41507
ndec2prec 33237
nfV_to_scalar_or_alg 26300
nf_get_G 303621
nf_get_M 21172073
nf_get_Tr 22080
nf_get_degree 71350643
nf_get_diff 4438
nf_get_disc 463869
nf_get_index 3711290
nf_get_invzk 9765304
nf_get_pol 98056368
nf_get_r1 22892503
nf_get_r2 4154
nf_get_ramified_primes 64812
nf_get_roots 1627868
nf_get_roundG 1746650
nf_get_sign 519552
nf_get_varn 1503584
nf_get_zk 4382
nf_get_zkden 5462154
nf_get_zkprimpart 5416300
normalize_frac 17204390
odd 2084669490
pari_calloc 47671
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 15398
pari_err_TYPE2 3493
pari_err_VAR 371
pari_free 510590804
pari_malloc 746525028
pari_realloc 1890
pari_realloc_ip 2180255
pari_stack_alloc 1019411700
pari_stack_base 1024787825
pari_stack_delete 5386133
pari_stack_init 5835185
pari_stack_new 924812037
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782757
perm_mul 80925391
perm_sqr 728
pol0_F2x 13247475
pol0_Flx 103517252
pol1_F2x 3958942
pol1_Flx 55052175
pol_0 82998314
pol_1 3756358
pol_x 3856805
pol_xn 2249948
pol_xnall 294
polx_F2x 1078473
polx_Flx 37821697
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43176836
pr_get_e 15952864
pr_get_f 26041193
pr_get_gen 12062068
pr_get_p 91709229
pr_get_tau 48872113
pr_is_inert 16910214
pr_norm 1088614
prec2lg 4515086629
prec2nbits 105720729
prec2nbits_mul 581138
prec2ndec 9778
precdbl 475531
qfb_disc 18514423
qfb_disc3 4990837
qfb_is_qfi 62952321
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8081352652
rnf_get_absdegree 1392746
rnf_get_alpha 1428
rnf_get_degree 2506307
rnf_get_disc 350
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 2845157
rnf_get_polabs 327628
rnf_get_ramified_primes 2849
rnf_get_varn 574
rnf_get_zk 4830
row 764009
row_i 987
rowcopy 204988
rowpermute 14709359
rowslice 79336308
rowslicepermute 185041
rowsplice 273
ser_isexactzero 10079479
shallowcopy 27639733
sqrfrac 4147689
sqrti 6665602
sqrtnr 2807595
sqrtr 80369480
sstoQ 1097215
sturm 385
submulii 32847018
submuliu 7742
submuliu_inplace 60177403
truecoef 0
trunc_safe 0
ulogint 1719044
upr_norm 346133
uutoQ 1600142
vec_append 3465621
vec_ei 1714601
vec_lengthen 18946
vec_prepend 313999
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036822
veclast 9372680
vecmodii 0
vecmoduu 49784
vecpermute 20533173
vecreverse 697235
vecreverse_inplace 2605
vecslice 656050268
vecslicepermute 2690608
vecsmall_append 4111390
vecsmall_coincidence 0
vecsmall_concat 1464352
vecsmall_copy 4404254
vecsmall_ei 584709
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043255
vecsmall_max 1164584
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186991
vecsmall_reverse 3052
vecsmall_shorten 74578
vecsmall_to_col 7838174
vecsmall_to_vec 511585
vecsmall_to_vec_inplace 3304
vecsmallpermute 78730010
vecsmalltrunc_append 101465508
vecsmalltrunc_init 189510967
vecsplice 384895
vectrunc_append 16160403
vectrunc_append_batch 12306
vectrunc_init 12065565
zc_to_ZC 7823985
zero_F2m 0
zero_F2m_copy 845110
zero_F2v 3648075
zero_F2x 1350
zero_Flm 2830208
zero_Flm_copy 235918
zero_Flv 59500607
zero_Flx 1427051
zero_zm 0
zero_zv 36739088
zero_zx 0
zerocol 122283615
zeromat 109176
zeromatcopy 14240062
zeropadic 855773
zeropadic_shallow 17024
zeropol 42358595
zeroser 138824
zerovec 28455414
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 2184154
zv_to_ZV 503010
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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