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 30550-07450a7a86) Lines: 1419 1532 92.6 %
Date: 2025-11-19 09:22:25 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 8035977
F2m_copy 200481
F2m_flip 1553228
F2m_set 798
F2v_clear 12353777
F2v_coeff 661310781
F2v_copy 4487
F2v_ei 42
F2v_flip 1553228
F2v_set 101401437
F2v_to_F2x 37489
F2xX_shift 0
F2x_clear 12353779
F2x_coeff 667937707
F2x_copy 59591485
F2x_div 1555521
F2x_equal 4595410
F2x_equal1 2874027
F2x_flip 1553228
F2x_renormalize 114232408
F2x_set 124537196
F2xqX_div 33173
F3m_coeff 3256666
F3m_copy 0
F3m_set 0
Flm_copy 6433721
Flm_row 8742644
Flv_copy 2555318
Flx_constant 334020
Flx_copy 173812425
Flx_div 1999075
Flx_div_pre 21709700
Flx_equal1 8331131
Flx_lead 980680
Flx_mulu 1105462
FlxqX_div 0
FlxqX_div_pre 165417
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693607
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5581277
FpX_renormalize 144577744
Fp_add 181597288
Fp_addmul 11374805
Fp_center 77215114
Fp_center_i 18061106
Fp_div 15035145
Fp_divu 15129648
Fp_double 22321460
Fp_halve 247348
Fp_inv 23439826
Fp_invsafe 1100550
Fp_mul 201080996
Fp_muls 17780
Fp_mulu 68157187
Fp_neg 31482393
Fp_red 82086247
Fp_sqr 64637696
Fp_sub 203518188
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 572112
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 445047
FqX_factor 141072
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 367812
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 3106423
Fq_to_FpXQ 73792
GENbinbase 964377732
QV_isscalar 54402187
Q_abs 8064077
Q_abs_shallow 120244
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622073
RgC_gtofp 34011238
RgC_gtomp 574
RgM_dimensions 9742248
RgM_fpnorml2 22788
RgM_gtofp 8252493
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22169837
RgV_gtofp 56
RgV_is_QV 140762
RgV_is_ZV 32166732
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210305
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103408767
RgX_div 7000740
RgX_equal_var 26882920
RgX_fpnorml2 61607
RgX_gtofp 7147719
RgX_is_QX 400145
RgX_is_ZX 22422679
RgX_is_monomial 1331858
RgX_is_rational 68312
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
RgX_to_RgV 140
Rg_col_ei 1451341
Rg_to_Fq 756
ZC_hnfrem 10690805
ZM_ZV_mod 596631
ZM_hnfrem 363845
ZM_lll 7112567
ZV_ZV_mod 8131245
ZV_dvd 23485
ZV_isscalar 23098938
ZV_to_zv 3211414
ZXQ_mul 2162061
ZXQ_sqr 961094
ZX_equal1 12893
ZX_is_monic 7376005
ZX_renormalize 154991075
Z_ispower 98
Z_issquare 458923
abgrp_get_cyc 12230249
abgrp_get_gen 1765029
abgrp_get_no 355191
absfrac 46643746
absfrac_shallow 28237
addmuliu 535845
addmuliu_inplace 59767088
affc_fixlg 249621
affgr 898866
bid_get_MOD 2157262
bid_get_U 3680238
bid_get_arch 41187
bid_get_archp 2397121
bid_get_cyc 5739598
bid_get_fact 2498943
bid_get_fact2 2201583
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804452
bid_get_ideal 72842
bid_get_mod 1521922
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157984
bin_copy 497337941
bit_accuracy 3158598874
bit_accuracy_mul 3175472
bit_prec 142661514
bnf_get_clgp 5374923
bnf_get_cyc 3686065
bnf_get_fu 25859
bnf_get_fu_nocheck 289071
bnf_get_gen 1680313
bnf_get_logfu 2874737
bnf_get_nf 9863727
bnf_get_no 8372
bnf_get_reg 648
bnf_get_sunits 1367785
bnf_get_tuN 283007
bnf_get_tuU 303584
bnr_get_bid 2045869
bnr_get_bnf 3750919
bnr_get_clgp 2830023
bnr_get_cyc 2522335
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77119
bnr_get_nf 1368109
bnr_get_no 277499
both_odd 123960149
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975457
cgiv 102106263
checkell_i 5593289
closure_arity 371247882
closure_codestr 321364276
closure_get_code 0
closure_get_data 321331551
closure_get_dbg 13621
closure_get_frame 14170208
closure_get_oper 321350228
closure_get_text 37051
closure_is_variadic 40168712
col_ei 5925978
coltrunc_init 740250
const_col 9729907
const_vec 34481301
const_vecsmall 19707536
constant_coeff 1441412
cxcompotor 18220276
cxnorm 90946326
cxtofp 9084290
cxtoreal 337204
cyc_get_expo 2757781
cyclic_perm 99911
dbllog2r 92830783
degpol 5505364758
div_content 58475
divsBIL 8093366183
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997061
ell_get_a2 7106161
ell_get_a3 8814029
ell_get_a4 8536702
ell_get_a6 10370940
ell_get_b2 7371030
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11017688
ell_get_c6 13474088
ell_get_disc 16814581
ell_get_j 2126227
ell_get_type 12499328
ell_is_inf 52512026
ellff_get_a4a6 800035
ellff_get_field 2036878
ellinf 1869847
ellnf_get_bnf 126
ellnf_get_nf 2027586
equali1 1175175513
equalim1 139505755
err_get_compo 294
err_get_num 62523
gaddgs 123248627
gal_get_den 27874
gal_get_e 91
gal_get_gen 15449
gal_get_group 80394
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 256181780
gc_INT 4103196586
gc_INT_affii 8487944
gc_all 110008226
gc_leaf 1133525775
gc_slice 2204852
gc_upto 1949166499
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 531591
gen_I 1269836
gener_Fq_local 29931
gequalgs 29176
get_F2x_degree 1929028
get_F2x_mod 2499209
get_F2x_var 2534164
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82483462
get_Flx_mod 25603111
get_Flx_var 68397090
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 6424882
get_FpX_mod 3394572
get_FpX_var 6957870
gisdouble 2987830
gmax_shallow 13510218
gmaxsg 0
gmin_shallow 878293
gminsg 0
gmulgs 22452028
gmulgu 282059385
gsubgs 1724801
gtodouble 60797306
gtofp 254251695
gtomp 22428
gtos 85854599
gtou 98323
guncloneNULL 48229037
guncloneNULL_deep 1446237
gval 6230
hash_str 2756815
hash_str_len 31549996
icopy_avma 8035662333
idealchineseinit 5427
idealred 138513
identity_ZV 8113
identity_perm 3242389
identity_zv 3266739
inf_get_sign 1453180
inv_content 0
is_bigint 562583645
is_const_t 4887903577
is_extscalar_t 6876
is_intreal_t 9584107
is_matvec_t 659351766
is_noncalc_t 85864459
is_pm1 2202711641
is_qfb_t 0
is_rational_t 5035336
is_real_t 62063857
is_recursive_t 9238842851
is_scalar_t 375670396
is_universal_constant 325802881
is_vec_t 43947645
isint1 17586394
isintm1 5711089
isintzero 2837282188
ismpzero 9584000
isonstack 8255401673
killblock 1929888
leading_coeff 170558005
leafcopy_avma 577348041
lg_increase 319723490
lgcols 350253870
lgpol 2682542919
lincombii 38183372
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 754893
matpascal 3983
matslice 16816899
mkcol 10641002
mkcol2 156853574
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33496
mkcols 40411
mkcomplex 91631632
mkerr 0
mkfrac 41637643
mkfraccopy 4999280
mkfracss 1209563
mkintmod 8092590
mkintmodu 1813
mkmat 4750915
mkmat2 33659155
mkmat22 50275608
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122284
mkmoo 108850
mkoo 1332077
mkpadic 2009
mkpolmod 3105034
mkqfb 27919899
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71157211
mkvec2 185855659
mkvec2copy 114566
mkvec2s 220420
mkvec3 118380547
mkvec3s 524441
mkvec4 10106243
mkvec4s 21
mkvec5 15185322
mkveccopy 122521
mkvecs 168
mkvecsmall 131648684
mkvecsmall2 233643487
mkvecsmall3 104053787
mkvecsmall4 17839437
mkvecsmall5 1731106
modpr_get_T 13867695
modpr_get_p 1888432
modpr_get_pr 31238382
mul_content 2654207
mul_denom 10710261
mulsubii 3881017
nbits2extraprec 1456332845
nbits2ndec 228
nbits2nlong 12681933
nbits2prec 186128153
nbrows 157474509
nchar2nlong 127410472
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26300
nf_get_G 303653
nf_get_M 21172803
nf_get_Tr 22083
nf_get_degree 71352055
nf_get_diff 4438
nf_get_disc 463863
nf_get_index 3711375
nf_get_invzk 9766099
nf_get_pol 98060034
nf_get_r1 22893384
nf_get_r2 4154
nf_get_ramified_primes 64813
nf_get_roots 1627926
nf_get_roundG 1746678
nf_get_sign 519553
nf_get_varn 1503606
nf_get_zk 4382
nf_get_zkden 5462583
nf_get_zkprimpart 5416779
normalize_frac 17204951
odd 2085742269
pari_calloc 47685
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 15391
pari_err_TYPE2 3493
pari_err_VAR 371
pari_free 510753976
pari_malloc 746636722
pari_realloc 1890
pari_realloc_ip 2267871
pari_stack_alloc 1019585665
pari_stack_base 1025186645
pari_stack_delete 5627620
pari_stack_init 6084126
pari_stack_new 924901120
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782875
perm_mul 80924949
perm_sqr 728
pol0_F2x 13189674
pol0_Flx 103476928
pol1_F2x 3958146
pol1_Flx 55080809
pol_0 83002170
pol_1 3756430
pol_x 3858330
pol_xn 2249968
pol_xnall 294
polx_F2x 1072865
polx_Flx 37832873
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43178546
pr_get_e 15953460
pr_get_f 26042785
pr_get_gen 12063060
pr_get_p 91710949
pr_get_tau 48873511
pr_is_inert 16910841
pr_norm 1088673
prec2lg 4465980136
prec2nbits 103958657
prec2nbits_mul 581164
prec2ndec 9778
precdbl 475508
qfb_disc 18514503
qfb_disc3 4990885
qfb_is_qfi 62944625
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8002365798
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 764004
row_i 987
rowcopy 204988
rowpermute 14709480
rowslice 79330122
rowslicepermute 185031
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27640726
sqrfrac 4148247
sqrti 6665914
sqrtnr 2808828
sqrtr 80364355
sstoQ 1097215
sturm 385
submulii 32847732
submuliu 7742
submuliu_inplace 60260767
truecoef 0
trunc_safe 0
ulogint 1730270
upr_norm 346136
uutoQ 1600198
vec_append 3465580
vec_ei 1714650
vec_lengthen 18946
vec_prepend 313983
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036853
veclast 9372682
vecmodii 0
vecmoduu 49784
vecpermute 20531993
vecreverse 697235
vecreverse_inplace 2605
vecslice 655939005
vecslicepermute 2690161
vecsmall_append 4111361
vecsmall_coincidence 0
vecsmall_concat 1464403
vecsmall_copy 4404263
vecsmall_ei 584745
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043259
vecsmall_max 1164658
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186991
vecsmall_reverse 3052
vecsmall_shorten 74578
vecsmall_to_col 7838113
vecsmall_to_vec 511809
vecsmall_to_vec_inplace 3304
vecsmallpermute 78729297
vecsmalltrunc_append 101494029
vecsmalltrunc_init 191833710
vecsplice 384906
vectrunc_append 16161278
vectrunc_append_batch 12306
vectrunc_init 12065687
zc_to_ZC 7823902
zero_F2m 0
zero_F2m_copy 845054
zero_F2v 3647792
zero_F2x 1350
zero_Flm 2829917
zero_Flm_copy 235926
zero_Flv 59484092
zero_Flx 1426957
zero_zm 0
zero_zv 36723662
zero_zx 0
zerocol 122289077
zeromat 109144
zeromatcopy 14240653
zeropadic 855724
zeropadic_shallow 17024
zeropol 42358742
zeroser 138908
zerovec 28455626
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 2184059
zv_to_ZV 503010
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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