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 30543-4febeb1110) Lines: 1419 1532 92.6 %
Date: 2025-11-11 09:22:28 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
F2xX_shift 0
F3m_copy 0
F3m_set 0
FlxqX_div 0
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQ_add 0
FpXQ_sub 0
FqXQ_add 0
FqXQ_div 0
FqXQ_inv 0
FqXQ_invsafe 0
FqXQ_pow 0
FqXQ_sqr 0
FqXQ_sub 0
FqX_divrem 0
FqX_halfgcd 0
FqX_integ 0
FqXn_exp 0
FqXn_sqr 0
R_abs 0
RgX_isscalar 0
bid_get_gen_nocheck 0
bid_get_no 0
cbrtr 0
cbrtr_abs 0
closure_get_code 0
gchar_get_U 0
gchar_get_hnf 0
gmaxsg 0
gminsg 0
inv_content 0
is_qfb_t 0
mkcol4s 0
mkerr 0
mkmat5 0
pari_err_FILE 0
pari_err_MAXPRIME 0
pari_err_PACKAGE 0
polx_zx 0
random_Fq 0
truecoef 0
trunc_safe 0
vec_setconst 0
vecmodii 0
vecsmall_coincidence 0
zero_F2m 0
zero_zm 0
zero_zx 0
zm_copy 0
zm_row 0
zm_to_zxV 0
zx_shift 0
zx_to_zv 0
FqX_ddf 7
FqX_factor_squarefree 7
mkrfraccopy 14
pari_err_BUG 14
znstar_get_no 14
RgM_gtomp 21
mkvec4s 21
pari_err_CONSTPOL 21
vecsmall_indexmax 21
vecsmall_indexmin 21
pari_err_FILEDESC 36
F2v_ei 42
RgV_gtofp 56
pari_err_IRREDPOL 63
pari_err_ROOTS0 63
bnr_get_gen_nocheck 70
mkmat4 84
pari_err_COPRIME 84
vecsmall_isin 84
vecsmall_pack 84
gal_get_e 91
mkcol5 94
Z_ispower 98
pari_err_FLAG 98
pari_err_PRIME 98
rnf_get_index 105
ellnf_get_bnf 126
RgX_to_RgV 140
pari_err_OVERFLOW 156
mkvecs 168
FqX_to_mod 175
pari_err_COMPONENT 214
nbits2ndec 228
pari_err_PREC 238
pari_err_PRIORITY 238
zm_transpose 266
rowsplice 273
err_get_compo 294
pol_xnall 294
ellQp_get_prec 308
mkcol3s 315
gchar_get_nfree 322
gchar_get_ntors 322
get_F2xqX_mod 343
rnf_get_disc 350
pari_err_VAR 371
polxn_Flx 371
sturm 385
pari_err_OP 406
pari_err_IMPL 539
vecsmall_lengthen 547
RgC_gtomp 574
rnf_get_varn 574
gchar_get_r2 623
gchar_set_HUUi 630
gchar_set_nalg 630
gchar_set_nfree 630
gchar_set_ntors 630
bnf_get_reg 648
pari_err_DIM 718
perm_sqr 728
Rg_to_Fq 756
F2m_set 798
gchar_set_m0 945
row_i 987
RgM_minor 1036
quad_disc 1085
ellQp_get_p 1134
gchar_copy_precs 1225
gchar_set_prec 1225
rnf_get_invzk 1225
rnf_get_k 1225
locs_get_Lgenfil 1288
locs_get_famod 1288
FqX_powu 1295
pari_err_MODULUS 1316
zero_F2x 1350
rnf_get_idealdisc 1386
rnf_get_alpha 1428
ellQp_get_zero 1463
powIs 1561
gchar_set_basis 1575
gchar_set_cyc 1575
gchar_get_sfu 1743
gchar_set_evalprec 1813
mkintmodu 1813
gchar_get_nm 1869
pari_realloc 1890
RgXQX_div 1904
mkpadic 2009
gchar_get_nalg 2044
gchar_set_nf 2110
gchar_set_u0 2121
vecsmall_min 2345
vecreverse_inplace 2605
pari_err_DOMAIN 2841
rnf_get_ramified_primes 2849
gchar_set_nfprec 2968
vecsmall_reverse 3052
vecsmall_to_vec_inplace 3304
gchar_get_m0 3318
pari_err_TYPE2 3493
get_FpXQX_degree 3589
matpascal 3983
gchar_get_evalprec 4011
gchar_get_modP 4095
FqX_normalize 4123
nf_get_r2 4154
gchar_get_u0 4252
nf_get_zk 4382
nf_get_diff 4438
F2v_copy 4487
FpXQX_div 4526
rnf_get_zk 4830
rnf_get_nfvarn 4886
idealchineseinit 5427
pari_stack_pushp 5851
gal_get_p 6020
FqX_get_red 6090
gval 6230
FqXn_expint 6590
gal_get_orders 6678
is_extscalar_t 6876
pari_err_SQRTN 7084
FqXn_inv 7126
rnf_get_nfzk 7245
FqX_roots 7273
submuliu 7742
bnr_get_gen 7847
get_FlxqX_mod 8033
identity_ZV 8113
gchar_get_mod 8225
locs_get_mod 8225
FqX_gcd 8246
ndec2nbits 8270
bnf_get_no 8372
prec2ndec 9778
cgetalloc 10166
gchar_get_Ui 10983
vec_shorten 11557
vectrunc_append_batch 12306
ZX_equal1 12711
R_abs_shallow 13097
gchar_get_nfprec 13468
closure_get_dbg 13621
zx_renormalize 14049
pari_err_TYPE 15398
gal_get_gen 15449
znstar_get_gen 16150
gchar_get_cyc 16177
mkmat3 17001
zeropadic_shallow 17024
gchar_get_r1 17444
Fp_muls 17780
gchar_get_prec 18795
vec_lengthen 18946
FqX_halve 19411
pari_err_INV 20018
FpXY_Fq_evaly 20587
rnf_get_nfdegree 21455
FqX_mulu 21942
nf_get_Tr 22082
gtomp 22428
FqXQ_mul 22766
RgM_fpnorml2 22781
ZV_dvd 23485
gal_get_mod 23772
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25859
nfV_to_scalar_or_alg 26300
gal_get_den 27874
gal_get_invvdm 27881
absfrac_shallow 28237
zerovec_block 28947
gequalgs 29176
gener_Fq_local 29932
gal_get_roots 32753
gchar_get_basis 32816
F2xqX_div 33173
ndec2prec 33279
mkcolcopy 33506
Qtoss 35322
gal_get_pol 36337
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37051
gchar_get_nc 37261
FqX_rem 37743
F2v_to_F2x 37853
FqX_div 38543
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41549
znstar_get_Ui 46788
pari_calloc 47671
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50519
get_FpXQX_var 51630
locs_get_cyc 52136
div_content 58475
RgX_fpnorml2 61606
err_get_num 62530
bid_get_gen 64274
nf_get_ramified_primes 64813
RgX_is_rational 68304
FqX_sub 68607
mkquad 69118
FqX_div_by_X_x 69629
quadnorm 69881
FqX_sqr 71855
bid_get_ideal 72842
Fq_to_FpXQ 73792
vecsmall_shorten 74574
bnr_get_mod 77119
gal_get_group 80395
mkcol3 88314
gtou 98314
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108850
zeromat 109129
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114571
Q_abs_shallow 120253
mkmatcopy 122238
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138524
zeroser 138908
RgV_is_QV 140758
FqX_factor 141051
get_FpXQX_mod 146583
FlxqX_div_pre 165415
znstar_get_U 176107
rowslicepermute 184890
vecsmall_prepend 186991
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200496
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220417
mkcol6 232589
ellR_get_prec 232750
zero_Flm_copy 235909
gchar_get_nf 243932
Fp_halve 247348
affc_fixlg 249615
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277495
gchar_get_zm 281911
bnf_get_tuN 283007
bnf_get_fu_nocheck 289077
nf_get_G 303569
bnf_get_tuU 303579
vec_prepend 313991
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 333154
cxtoreal 337200
upr_norm 346134
RgX_renormalize 349807
abgrp_get_no 355188
ZM_hnfrem 363866
FqX_mul 367812
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384888
RgX_is_QX 400133
perm_conj 418299
FqX_Fq_mul 427296
FqX_extgcd 445046
Z_issquare 458925
nf_get_disc 463863
precdbl 475510
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
zv_to_ZV 503010
vecsmall_to_vec 511809
nf_get_sign 519552
mkvec3s 524441
gdivsg 531592
addmuliu 541128
FqX_Fp_mul 572122
prec2nbits_mul 581167
vecsmall_ei 584726
ZM_ZV_mod 596596
RgC_fpnorml2 622069
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698439
coltrunc_init 740250
logint 755036
gcmpgs 761919
row 764011
rnf_get_nf 786030
ellff_get_a4a6 800041
zero_F2m_copy 845112
FpXX_renormalize 849896
zeropadic 855444
gmin_shallow 878305
affgr 898866
ZXQ_sqr 961083
cgetc 975453
Flx_lead 980327
polx_F2x 1079087
pr_norm 1088508
sstoQ 1097215
Fp_invsafe 1100351
Flx_mulu 1105231
vecsmall_max 1164656
mkfracss 1209563
RgV_isscalar 1210305
gen_I 1269845
RgX_is_monomial 1331718
mkoo 1332046
bnf_get_sunits 1367782
bnr_get_nf 1368117
rnf_get_absdegree 1392746
zero_Flx 1426946
guncloneNULL_deep 1439544
constant_coeff 1441527
Rg_col_ei 1451300
inf_get_sign 1453151
vecsmall_concat 1464442
nf_get_varn 1503582
bid_get_mod 1521921
F2m_flip 1554381
F2v_flip 1554381
F2x_flip 1554381
F2x_div 1571626
uutoQ 1600198
nf_get_roots 1627824
bnf_get_gen 1680321
vec_ei 1714635
ulogint 1723224
gsubgs 1724798
mkvecsmall5 1731104
nf_get_roundG 1746596
abgrp_get_gen 1765035
ellinf 1869783
modpr_get_p 1888432
get_F2x_degree 1929102
killblock 1929199
Flx_div 1998990
ellnf_get_nf 2027606
ellff_get_field 2036882
bnr_get_bid 2045870
ell_get_j 2126227
bid_get_MOD 2157261
bid_get_sprk 2157981
ZXQ_mul 2162058
zv_copy 2184065
bid_get_fact2 2201583
gc_slice 2204875
pol_xn 2249950
pari_realloc_ip 2267916
bid_get_archp 2397103
bid_get_fact 2498936
get_F2x_mod 2499184
rnf_get_degree 2506307
bnr_get_cyc 2522344
get_F2x_var 2534246
ell_get_b4 2550216
Flv_copy 2555325
mul_content 2654106
RgX_coeff 2669861
vecslicepermute 2690251
hash_str 2756815
cyc_get_expo 2757786
perm_inv 2782815
sqrtnr 2807556
bnr_get_clgp 2830018
zero_Flm 2830205
rnf_get_pol 2845157
znstar_get_pe 2868790
F2x_equal1 2873973
bnf_get_logfu 2874724
gisdouble 2987644
mkpolmod 3105021
Fq_red 3106378
bit_accuracy_mul 3175472
ZV_to_zv 3211415
identity_perm 3242545
F3m_coeff 3256664
identity_zv 3266894
znstar_get_conreygen 3289889
ell_get_b8 3297414
get_FpX_mod 3394334
vec_append 3465566
zero_F2v 3648070
bid_get_U 3680239
bnf_get_cyc 3686069
nf_get_index 3711281
bnr_get_bnf 3750913
pol_1 3756412
pol_x 3858279
ell_get_b6 3863115
mulsubii 3880836
pol1_F2x 3958235
vec_to_vecsmall 4036824
vecsmall_append 4111381
sqrfrac 4148194
vecsmall_copy 4404216
mkcol2s 4416244
F2x_equal 4661550
FpXQX_renormalize 4693643
mkmat 4750736
qfb_disc3 4990905
mkfraccopy 4999054
is_rational_t 5035228
bnf_get_clgp 5374934
nf_get_zkprimpart 5416346
nf_get_zkden 5462143
FpX_div 5581050
checkell_i 5593326
pari_stack_delete 5613679
isintm1 5711135
bid_get_cyc 5739573
bid_get_grp 5804419
col_ei 5925785
pari_stack_init 6083449
get_FpX_degree 6424573
Flm_copy 6433515
sqrti 6665655
get_FpX_var 6957889
RgX_div 7000740
vecsmall_lexcmp 7043259
ell_get_a2 7106160
ZM_lll 7112387
RgX_gtofp 7147568
znstar_get_faN 7330731
ell_get_b2 7371037
ZX_is_monic 7376017
zc_to_ZC 7823817
vecsmall_to_col 7837998
znstar_get_conreycyc 7978902
F2m_coeff 8039522
Q_abs 8062572
mkintmod 8092658
ZV_ZV_mod 8131279
RgM_gtofp 8252264
Flx_equal1 8327121
gc_INT_affii 8490076
ell_get_a4 8536701
Flm_row 8742468
ell_get_a3 8814035
ell_get_a1 8997067
cxtofp 9083361
veclast 9372663
ismpzero 9583589
is_intreal_t 9583711
const_col 9729878
RgM_dimensions 9741910
nf_get_invzk 9765410
bnf_get_nf 9863732
mkvec4 10106132
ser_isexactzero 10120284
ell_get_a6 10370939
mkcol 10640951
ZC_hnfrem 10690776
mul_denom 10709920
ell_get_c4 11018083
Fp_addmul 11415053
pr_get_gen 12062079
vectrunc_init 12066144
abgrp_get_cyc 12230226
F2v_clear 12355783
F2x_clear 12355791
ell_get_type 12499452
nbits2nlong 12649639
pol0_F2x 13248930
ell_get_c6 13474450
gmax_shallow 13510219
modpr_get_T 13867580
closure_get_frame 14169287
zeromatcopy 14240236
rowpermute 14709434
Fp_div 15035712
Fp_divu 15135510
mkvec5 15185024
pr_get_e 15952836
vectrunc_append 16161769
ell_get_disc 16815310
matslice 16817271
pr_is_inert 16910204
normalize_frac 17204653
isint1 17585258
mkvecsmall4 17835235
Fp_center_i 18053699
cxcompotor 18218421
qfb_disc 18514494
const_vecsmall 19705916
vecpermute 20531612
nf_get_M 21171833
Flx_div_pre 21704564
RgM_shallowcopy 22169467
Fp_double 22417080
RgX_is_ZX 22421934
gmulgs 22503554
nf_get_r1 22892387
ZV_isscalar 23098000
Fp_inv 23437703
get_Flx_mod 25601091
pr_get_f 26040898
RgX_equal_var 26880637
shallowcopy 27639993
mkqfb 27919921
zerovec 28455592
modpr_get_pr 31237942
Fp_neg 31490102
hash_str_len 31549635
RgV_is_ZV 32164053
submulii 32847018
mkmat2 33659506
RgC_gtofp 34010775
const_vec 34481754
zero_zv 36738805
polx_Flx 37827585
lincombii 38185820
znstar_get_N 38653757
closure_is_variadic 40168057
mkfrac 41640969
zeropol 42358644
powii 43178358
is_vec_t 43942156
absfrac 46641953
guncloneNULL 48224433
pr_get_tau 48871764
mkmat22 50275098
ell_is_inf 52473151
QV_isscalar 54401415
pol1_Flx 55059906
zero_Flv 59499049
addmuliu_inplace 59696336
submuliu_inplace 60190906
F2x_copy 60436486
gtodouble 60798077
is_real_t 62063858
qfb_is_qfi 62950949
Fp_sqr 64933431
get_Flx_var 68360869
Fp_mulu 69031931
mkvec 71141814
nf_get_degree 71350688
Fp_center 77254018
vecsmallpermute 78732243
rowslice 79338106
sqrtr 80364636
perm_mul 80927861
Fp_red 82090278
get_Flx_degree 82824522
pol_0 83001708
gtos 85854581
is_noncalc_t 85862173
cxnorm 90943005
mkcomplex 91629447
pr_get_p 91708757
dbllog2r 92827505
nf_get_pol 98056575
F2v_set 101404595
vecsmalltrunc_append 101492932
cgiv 102122641
RgX_copy 103405360
pol0_Flx 103517102
prec2nbits 103952526
mkvecsmall3 104041576
vecsmall_prefixcmp 108088071
gc_all 109992207
F2x_renormalize 115254989
mkvec3 119548549
zerocol 122285359
gaddgs 123247548
both_odd 123996337
F2x_set 124778954
nchar2nlong 127403703
mkvecsmall 131690140
equalim1 139504641
bit_prec 142668826
FpX_renormalize 144592482
ZX_renormalize 155020850
mkcol2 156857569
nbrows 157467745
leading_coeff 170557389
Flx_copy 173798362
Fp_add 181770415
mkvec2 185496621
nbits2prec 186129731
vecsmalltrunc_init 191083587
Fp_mul 201167517
Fp_sub 203726622
mkvecsmall2 233627275
gtofp 254237408
gc_GEN 256202499
gmulgu 282059385
lg_increase 317974507
closure_get_data 321338296
closure_get_oper 321355975
closure_codestr 321371481
is_universal_constant 325794468
lgcols 350237125
closure_arity 371253113
is_scalar_t 375665447
bin_copy 497305823
pari_free 510710869
is_bigint 562600958
leafcopy_avma 576745228
vecslice 655972318
is_matvec_t 659304524
F2v_coeff 661331520
F2x_coeff 667949712
pari_malloc 746599013
pari_stack_new 924858268
GENbinbase 964306040
pari_stack_alloc 1019548582
pari_stack_base 1025132506
gc_leaf 1134592298
equali1 1175175617
nbits2extraprec 1456390440
gc_upto 1949158643
odd 2084911102
is_pm1 2203056281
lgpol 2687672627
isintzero 2838105857
bit_accuracy 3163034396
gc_INT 4105329240
prec2lg 4466430629
is_const_t 4888793319
degpol 5509395608
remsBIL 8006178604
icopy_avma 8036118004
divsBIL 8097124230
isonstack 8258752755
is_recursive_t 9238415769

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