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 30670-52869c8c38) Lines: 1420 1535 92.5 %
Date: 2026-02-05 09:23:49 Functions: 649 707 91.8 %
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
mkvec5s 0
mkvec6 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
vecsmall_isin 84
vecsmall_pack 84
gal_get_e 91
pari_err_COPRIME 91
mkcol5 94
Z_ispower 98
pari_err_FLAG 98
pari_err_PRIME 98
rnf_get_index 105
ellnf_get_bnf 119
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 245
zm_transpose 266
rowsplice 273
err_get_compo 294
pol_xnall 294
mkvec6s 301
ellQp_get_prec 308
mkcol3s 315
gchar_get_nfree 322
gchar_get_ntors 322
get_F2xqX_mod 343
rnf_get_disc 357
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
rnf_get_ramified_primes 2849
pari_err_DOMAIN 2862
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 4144
nf_get_r2 4154
gchar_get_u0 4252
nf_get_zk 4382
nf_get_diff 4445
F2v_copy 4487
FpXQX_div 4526
rnf_get_zk 4830
rnf_get_nfvarn 4886
idealchineseinit 5427
pari_stack_pushp 5851
gal_get_p 6006
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 7700
bnr_get_gen 7847
get_FlxqX_mod 8033
identity_ZV 8113
gchar_get_mod 8225
locs_get_mod 8225
ndec2nbits 8270
FqX_gcd 8288
bnf_get_no 8372
vectrunc_append_batch 9667
prec2ndec 9778
cgetalloc 10166
gchar_get_Ui 10983
vec_shorten 11557
ZX_equal1 12850
R_abs_shallow 13097
gchar_get_nfprec 13468
closure_get_dbg 13635
zx_renormalize 14049
pari_err_TYPE 15370
gal_get_gen 15435
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 18960
FqX_halve 19411
pari_err_INV 20018
FpXY_Fq_evaly 20587
rnf_get_nfdegree 21455
FqX_mulu 21942
nf_get_Tr 22085
gtomp 22428
RgM_fpnorml2 22662
FqXQ_mul 22766
ZV_dvd 23485
gal_get_mod 23758
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25859
nfV_to_scalar_or_alg 26299
gal_get_den 27867
gal_get_invvdm 27874
absfrac_shallow 28237
gequalgs 29176
zerovec_block 29654
gener_Fq_local 29946
gal_get_roots 32732
gchar_get_basis 32816
F2xqX_div 33173
ndec2prec 33314
mkcolcopy 33556
Qtoss 35364
gal_get_pol 36316
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37079
gchar_get_nc 37261
FqX_rem 37743
F2v_to_F2x 37913
FqX_div 38568
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41584
znstar_get_Ui 46788
pari_calloc 47734
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50519
get_FpXQX_var 51630
locs_get_cyc 52136
div_content 58504
RgX_fpnorml2 61600
err_get_num 62551
bid_get_gen 64274
nf_get_ramified_primes 64644
RgX_is_rational 68166
FqX_sub 68607
mkquad 69118
FqX_div_by_X_x 69699
quadnorm 69881
FqX_sqr 71855
bid_get_ideal 72842
Fq_to_FpXQ 73652
vecsmall_shorten 75642
bnr_get_mod 77118
gal_get_group 80388
mkcol3 88314
cyclic_perm 99911
gtou 100708
mkcol4 103467
zv_to_zx 104146
mkmoo 108799
zeromat 109134
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114533
Q_abs_shallow 120220
mkmatcopy 122279
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138445
zeroser 138943
RgV_is_QV 140732
FqX_factor 140946
get_FpXQX_mod 146583
FlxqX_div_pre 165416
znstar_get_U 176107
rowslicepermute 185257
vecsmall_prepend 186977
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200436
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220252
mkcol6 232470
ellR_get_prec 232750
zero_Flm_copy 238231
gchar_get_nf 243946
Fp_halve 247271
affc_fixlg 249623
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277489
gchar_get_zm 281911
bnf_get_tuN 282994
bnf_get_fu_nocheck 289078
bnf_get_tuU 303578
nf_get_G 304986
vec_prepend 314009
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 334013
cxtoreal 337206
upr_norm 346135
RgX_renormalize 349807
abgrp_get_no 354949
ZM_hnfrem 363783
FqX_mul 367708
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384923
RgX_is_QX 399939
perm_conj 418299
FqX_Fq_mul 427293
FqX_extgcd 444770
Z_issquare 457643
nf_get_disc 463486
precdbl 475384
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
zv_to_ZV 502982
vecsmall_to_vec 511781
nf_get_sign 519552
mkvec3s 524441
gdivsg 531592
addmuliu 535709
FqX_Fp_mul 571650
prec2nbits_mul 581166
vecsmall_ei 584720
ZM_ZV_mod 596639
RgC_fpnorml2 619855
FqX_is_squarefree 683802
vecreverse 697305
mkrfrac 698439
coltrunc_init 740250
logint 754832
gcmpgs 761909
row 763895
rnf_get_nf 786086
ellff_get_a4a6 800020
zero_F2m_copy 845053
FpXX_renormalize 849903
zeropadic 855783
gmin_shallow 877778
affgr 899594
ZXQ_sqr 960355
cgetc 975459
Flx_lead 979271
polx_F2x 1079256
pr_norm 1090606
sstoQ 1097313
Fp_invsafe 1100345
Flx_mulu 1105439
vecsmall_max 1164176
mkfracss 1209563
RgV_isscalar 1210273
gen_I 1269723
RgX_is_monomial 1331322
mkoo 1331856
bnf_get_sunits 1367773
rnf_get_absdegree 1392746
bnr_get_nf 1399067
zero_Flx 1426936
constant_coeff 1441434
Rg_col_ei 1451061
inf_get_sign 1452914
vecsmall_concat 1464285
guncloneNULL_deep 1491463
nf_get_varn 1503774
bid_get_mod 1521922
F2m_flip 1554505
F2v_flip 1554505
F2x_flip 1554505
F2x_div 1572946
uutoQ 1602144
nf_get_roots 1629031
bnf_get_gen 1680291
vec_ei 1713874
mkvecsmall5 1717486
ulogint 1720381
gsubgs 1724815
nf_get_roundG 1748303
abgrp_get_gen 1765001
ellinf 1869734
modpr_get_p 1887627
get_F2x_degree 1928957
killblock 1949351
Flx_div 1998030
ellnf_get_nf 2027261
ellff_get_field 2036839
bnr_get_bid 2046088
ell_get_j 2126269
bid_get_MOD 2157264
bid_get_sprk 2157990
ZXQ_mul 2161107
zv_copy 2183757
bid_get_fact2 2201585
gc_slice 2204155
pol_xn 2249282
pari_realloc_ip 2349759
bid_get_archp 2397139
bid_get_fact 2498959
get_F2x_mod 2499282
rnf_get_degree 2506335
bnr_get_cyc 2522567
get_F2x_var 2533901
ell_get_b4 2550216
Flv_copy 2555016
mul_content 2657373
RgX_coeff 2669861
vecslicepermute 2692349
cyc_get_expo 2757551
hash_str 2760615
perm_inv 2782045
sqrtnr 2810328
bnr_get_clgp 2830238
zero_Flm 2830849
rnf_get_pol 2845192
znstar_get_pe 2869063
F2x_equal1 2874030
bnf_get_logfu 2874760
gisdouble 2996859
mkpolmod 3103712
Fq_red 3106692
bit_accuracy_mul 3175484
ZV_to_zv 3211713
identity_perm 3242435
F3m_coeff 3255866
identity_zv 3266785
znstar_get_conreygen 3290526
ell_get_b8 3297414
get_FpX_mod 3394336
vec_append 3464678
zero_F2v 3647767
bid_get_U 3680242
bnf_get_cyc 3686123
bnr_get_bnf 3710937
nf_get_index 3711417
pol_1 3755682
pol_x 3857318
ell_get_b6 3863115
mulsubii 3881502
pol1_F2x 3956817
vec_to_vecsmall 4036962
vecsmall_append 4114715
sqrfrac 4148243
vecsmall_copy 4403810
mkcol2s 4416244
F2x_equal 4678732
FpXQX_renormalize 4694465
mkmat 4750929
qfb_disc3 4996085
mkfraccopy 4999909
is_rational_t 5032710
bnf_get_clgp 5374952
nf_get_zkprimpart 5414003
nf_get_zkden 5459779
FpX_div 5581222
checkell_i 5593253
isintm1 5710237
bid_get_cyc 5739843
bid_get_grp 5804694
pari_stack_delete 5814891
col_ei 5924630
pari_stack_init 6352644
get_FpX_degree 6424437
Flm_copy 6433682
sqrti 6610302
get_FpX_var 6958175
RgX_div 7000642
vecsmall_lexcmp 7043253
ell_get_a2 7106177
ZM_lll 7117905
RgX_gtofp 7145315
znstar_get_faN 7334819
ell_get_b2 7371027
ZX_is_monic 7374245
zc_to_ZC 7824790
vecsmall_to_col 7838971
znstar_get_conreycyc 7982108
F2m_coeff 8039253
Q_abs 8062832
mkintmod 8092510
ZV_ZV_mod 8131891
RgM_gtofp 8258035
Flx_equal1 8330011
gc_INT_affii 8492421
ell_get_a4 8536718
Flm_row 8742069
ell_get_a3 8814042
ell_get_a1 8997074
cxtofp 9078502
veclast 9372697
ismpzero 9584711
is_intreal_t 9584812
const_col 9729682
RgM_dimensions 9741843
nf_get_invzk 9767627
bnf_get_nf 9865133
mkvec4 10094883
ser_isexactzero 10120326
ell_get_a6 10370955
mkcol 10639737
ZC_hnfrem 10697518
mul_denom 10707887
ell_get_c4 11018007
Fp_addmul 11269644
vectrunc_init 11766538
pr_get_gen 12071339
abgrp_get_cyc 12230784
F2v_clear 12354360
F2x_clear 12354367
ell_get_type 12498860
nbits2nlong 12752944
pol0_F2x 13253154
ell_get_c6 13474448
gmax_shallow 13510200
modpr_get_T 13867183
zeromatcopy 14250274
rowpermute 14707205
closure_get_frame 14717207
Fp_div 15035868
Fp_divu 15130319
mkvec5 15185835
vectrunc_append 15854012
pr_get_e 16162171
ell_get_disc 16815388
matslice 16825564
normalize_frac 17206933
pr_is_inert 17224345
isint1 17586326
Fp_center_i 18051583
cxcompotor 18208846
qfb_disc 18502554
mkvecsmall4 18684379
const_vecsmall 19707483
vecpermute 20551335
Fp_double 20959635
Flx_div_pre 21690019
nf_get_M 21746007
RgM_shallowcopy 22179942
RgX_is_ZX 22423394
gmulgs 22630997
Fp_inv 23440948
nf_get_r1 23466378
ZV_isscalar 23675306
get_Flx_mod 25596488
pr_get_f 26443188
RgX_equal_var 26883012
shallowcopy 27632294
mkqfb 27930294
zerovec 29292059
modpr_get_pr 31236665
Fp_neg 31477047
hash_str_len 31631719
submulii 31982591
RgV_is_ZV 32160182
mkmat2 33654590
RgC_gtofp 34033053
const_vec 34568097
zero_zv 36737797
polx_Flx 37487249
lincombii 38243769
znstar_get_N 38658713
mkfrac 41646904
zeropol 42353947
powii 43130629
is_vec_t 43963658
closure_is_variadic 45906779
absfrac 46540277
guncloneNULL 48007090
pr_get_tau 49768713
mkmat22 50295376
ell_is_inf 52435520
QV_isscalar 54417557
pol1_Flx 55059612
addmuliu_inplace 59642014
zero_Flv 59676508
submuliu_inplace 60128473
F2x_copy 60628413
gtodouble 60781411
is_real_t 62062523
qfb_is_qfi 62318709
Fp_sqr 64444785
Fp_mulu 67423703
get_Flx_var 68359527
mkvec 71298110
nf_get_degree 71371792
Fp_center 77369629
vecsmallpermute 78724423
rowslice 79352496
sqrtr 80371481
perm_mul 80919798
get_Flx_degree 82187948
Fp_red 82192850
pol_0 82789158
gtos 85855658
is_noncalc_t 85872150
cxnorm 91196609
mkcomplex 91599766
pr_get_p 92751026
dbllog2r 92816745
nf_get_pol 98110594
vecsmalltrunc_append 100919349
F2v_set 101404164
cgiv 102689119
RgX_copy 103406662
pol0_Flx 103488624
prec2nbits 103971693
mkvecsmall3 104192830
vecsmall_prefixcmp 108088071
gc_all 109640635
F2x_renormalize 115470966
mkvec3 117752001
zerocol 122338010
gaddgs 123248667
both_odd 124172179
F2x_set 124769063
nchar2nlong 127562450
mkvecsmall 131650383
equalim1 139505635
bit_prec 143257020
FpX_renormalize 144226931
ZX_renormalize 155027186
mkcol2 156932050
nbrows 157477247
leading_coeff 170224654
Flx_copy 173225989
Fp_add 181326102
mkvec2 185577723
nbits2prec 186141412
vecsmalltrunc_init 190641012
Fp_mul 200893256
Fp_sub 203189838
mkvecsmall2 234994545
gtofp 254349540
gc_GEN 255484207
gmulgu 283104681
lg_increase 318225173
closure_get_data 322186480
closure_get_oper 322210348
closure_codestr 322227818
is_universal_constant 326540454
lgcols 351662059
closure_arity 372648610
is_scalar_t 375659693
bin_copy 496003689
pari_free 509484090
is_bigint 563416831
leafcopy_avma 577565478
vecslice 656482885
is_matvec_t 659654709
F2v_coeff 661325099
F2x_coeff 667843781
pari_malloc 745426106
pari_stack_new 926969127
GENbinbase 961797628
pari_stack_alloc 1022263858
pari_stack_base 1028049038
gc_leaf 1137026336
equali1 1174146024
nbits2extraprec 1458516813
gc_upto 1955455805
odd 2091286452
is_pm1 2205080180
lgpol 2688493726
isintzero 2845616268
bit_accuracy 3160701268
gc_INT 4114120331
prec2lg 4470789895
is_const_t 4901057539
degpol 5493508948
remsBIL 8004755309
icopy_avma 8042702388
divsBIL 8096026463
isonstack 8279135786
is_recursive_t 9238993156

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