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 30571-c0dfe82732) Lines: 1420 1532 92.7 %
Date: 2025-12-05 09:21:30 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 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 3066
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 4459
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
ndec2nbits 8270
FqX_gcd 8288
bnf_get_no 8379
prec2ndec 9778
cgetalloc 10166
gchar_get_Ui 10983
vec_shorten 11557
vectrunc_append_batch 12306
ZX_equal1 12893
R_abs_shallow 13097
gchar_get_nfprec 13468
closure_get_dbg 13621
zx_renormalize 14049
pari_err_TYPE 15370
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 22793
ZV_dvd 23485
gal_get_mod 23772
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25859
nfV_to_scalar_or_alg 26299
gal_get_den 27881
gal_get_invvdm 27888
absfrac_shallow 28237
zerovec_block 28947
gequalgs 29176
gener_Fq_local 29945
gal_get_roots 32760
gchar_get_basis 32816
F2xqX_div 33173
ndec2prec 33279
mkcolcopy 33538
Qtoss 35322
gal_get_pol 36344
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37051
gchar_get_nc 37261
FqX_rem 37743
F2v_to_F2x 37846
FqX_div 38567
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41549
znstar_get_Ui 46788
pari_calloc 47699
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50519
get_FpXQX_var 51630
locs_get_cyc 52136
div_content 58573
RgX_fpnorml2 61627
err_get_num 62522
bid_get_gen 64274
nf_get_ramified_primes 64854
RgX_is_rational 68323
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 74583
bnr_get_mod 77146
gal_get_group 80402
mkcol3 88314
gtou 98315
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108864
zeromat 109113
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114618
Q_abs_shallow 120247
mkmatcopy 122289
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138708
zeroser 138908
RgV_is_QV 140786
FqX_factor 141079
get_FpXQX_mod 146583
FlxqX_div_pre 165408
znstar_get_U 176107
rowslicepermute 184778
vecsmall_prepend 186998
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200563
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220441
mkcol6 232589
ellR_get_prec 232750
zero_Flm_copy 235952
gchar_get_nf 243946
Fp_halve 247348
affc_fixlg 249622
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277503
gchar_get_zm 281911
bnf_get_tuN 283011
bnf_get_fu_nocheck 289093
bnf_get_tuU 303589
nf_get_G 304204
vec_prepend 313992
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 333988
cxtoreal 337205
upr_norm 346132
RgX_renormalize 349807
abgrp_get_no 355201
ZM_hnfrem 363874
FqX_mul 367827
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384918
RgX_is_QX 400152
perm_conj 418299
FqX_Fq_mul 427291
FqX_extgcd 445097
Z_issquare 458925
nf_get_disc 463988
precdbl 475534
RgX_shift_inplace 479399
RgX_shift_inplace_init 479399
zv_to_ZV 503066
vecsmall_to_vec 511865
nf_get_sign 519565
mkvec3s 524441
gdivsg 531590
addmuliu 535773
FqX_Fp_mul 572217
prec2nbits_mul 581165
vecsmall_ei 584719
ZM_ZV_mod 596670
RgC_fpnorml2 622147
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698439
coltrunc_init 740250
logint 754922
gcmpgs 761917
row 764017
rnf_get_nf 786030
ellff_get_a4a6 800029
zero_F2m_copy 845256
FpXX_renormalize 849896
zeropadic 855618
gmin_shallow 878406
affgr 898866
ZXQ_sqr 961147
cgetc 975459
Flx_lead 980498
polx_F2x 1078742
pr_norm 1090265
sstoQ 1097215
Fp_invsafe 1100569
Flx_mulu 1105316
vecsmall_max 1164580
mkfracss 1209563
RgV_isscalar 1210306
gen_I 1269831
RgX_is_monomial 1331758
mkoo 1332024
bnf_get_sunits 1367847
bnr_get_nf 1368167
rnf_get_absdegree 1392746
zero_Flx 1426775
constant_coeff 1441408
guncloneNULL_deep 1449299
Rg_col_ei 1451744
inf_get_sign 1453148
vecsmall_concat 1464355
nf_get_varn 1503773
bid_get_mod 1521921
F2m_flip 1554224
F2v_flip 1554224
F2x_flip 1554224
F2x_div 1570777
uutoQ 1600198
nf_get_roots 1628540
bnf_get_gen 1680407
vec_ei 1714768
gsubgs 1724807
ulogint 1727108
mkvecsmall5 1731118
nf_get_roundG 1747524
abgrp_get_gen 1765114
ellinf 1869547
modpr_get_p 1888614
get_F2x_degree 1928989
killblock 1933816
Flx_div 1999207
ellnf_get_nf 2027628
ellff_get_field 2036856
bnr_get_bid 2046140
ell_get_j 2126227
bid_get_MOD 2157280
bid_get_sprk 2158017
ZXQ_mul 2162243
zv_copy 2184034
bid_get_fact2 2201600
gc_slice 2205197
pol_xn 2249969
pari_realloc_ip 2268697
bid_get_archp 2397119
bid_get_fact 2498976
get_F2x_mod 2499168
rnf_get_degree 2506307
bnr_get_cyc 2522589
get_F2x_var 2534133
ell_get_b4 2550216
Flv_copy 2555291
mul_content 2654997
RgX_coeff 2669861
vecslicepermute 2690593
hash_str 2756815
cyc_get_expo 2757856
perm_inv 2782922
sqrtnr 2809758
zero_Flm 2830260
bnr_get_clgp 2830261
rnf_get_pol 2845164
znstar_get_pe 2869063
F2x_equal1 2874002
bnf_get_logfu 2874826
gisdouble 2993357
mkpolmod 3105222
Fq_red 3106343
bit_accuracy_mul 3175472
ZV_to_zv 3211421
identity_perm 3242790
F3m_coeff 3256666
identity_zv 3267141
znstar_get_conreygen 3290176
ell_get_b8 3297414
get_FpX_mod 3394577
vec_append 3465748
zero_F2v 3648501
bid_get_U 3680259
bnf_get_cyc 3686696
nf_get_index 3712379
bnr_get_bnf 3751395
pol_1 3756686
pol_x 3858445
ell_get_b6 3863115
mulsubii 3882916
pol1_F2x 3957349
vec_to_vecsmall 4036859
vecsmall_append 4111386
sqrfrac 4148124
vecsmall_copy 4404933
mkcol2s 4416244
F2x_equal 4661001
FpXQX_renormalize 4693224
mkmat 4751423
qfb_disc3 4995336
mkfraccopy 4999292
is_rational_t 5035726
bnf_get_clgp 5375652
nf_get_zkprimpart 5418491
nf_get_zkden 5464267
FpX_div 5583134
checkell_i 5593310
pari_stack_delete 5654963
isintm1 5711352
bid_get_cyc 5739819
bid_get_grp 5804672
col_ei 5927020
pari_stack_init 6087047
get_FpX_degree 6424911
Flm_copy 6435543
sqrti 6666984
get_FpX_var 6958090
RgX_div 7000740
vecsmall_lexcmp 7043259
ell_get_a2 7106181
ZM_lll 7117989
RgX_gtofp 7147974
znstar_get_faN 7331711
ell_get_b2 7371032
ZX_is_monic 7376197
zc_to_ZC 7824263
vecsmall_to_col 7838445
znstar_get_conreycyc 7979693
F2m_coeff 8039561
Q_abs 8064418
mkintmod 8092669
ZV_ZV_mod 8131636
RgM_gtofp 8260043
Flx_equal1 8331191
gc_INT_affii 8494122
ell_get_a4 8536722
Flm_row 8741862
ell_get_a3 8814051
ell_get_a1 8997083
cxtofp 9087041
veclast 9372752
ismpzero 9586717
is_intreal_t 9586826
const_col 9730293
RgM_dimensions 9742691
nf_get_invzk 9769544
bnf_get_nf 9865076
mkvec4 10107013
ser_isexactzero 10120284
ell_get_a6 10370960
mkcol 10641577
ZC_hnfrem 10696791
mul_denom 10713369
ell_get_c4 11017705
Fp_addmul 11393330
vectrunc_init 12066011
pr_get_gen 12069692
abgrp_get_cyc 12231342
F2x_clear 12357629
F2v_clear 12357642
ell_get_type 12499285
nbits2nlong 12677201
pol0_F2x 13245640
ell_get_c6 13473947
gmax_shallow 13510226
modpr_get_T 13867955
closure_get_frame 14174035
zeromatcopy 14252082
rowpermute 14710526
Fp_div 15034984
Fp_divu 15129446
mkvec5 15187109
pr_get_e 16105106
vectrunc_append 16160279
ell_get_disc 16814556
matslice 16823591
pr_is_inert 17150418
normalize_frac 17206027
isint1 17587305
mkvecsmall4 17825391
Fp_center_i 18041406
cxcompotor 18225755
qfb_disc 18514473
const_vecsmall 19711847
vecpermute 20544053
nf_get_M 21308448
Flx_div_pre 21713997
RgM_shallowcopy 22179542
Fp_double 22329674
RgX_is_ZX 22426238
gmulgs 22587690
nf_get_r1 23029033
ZV_isscalar 23235890
Fp_inv 23444563
get_Flx_mod 25609757
pr_get_f 26350284
RgX_equal_var 26883211
shallowcopy 27643105
mkqfb 27928784
zerovec 28455883
modpr_get_pr 31238917
Fp_neg 31480045
hash_str_len 31551771
RgV_is_ZV 32167333
submulii 32848628
mkmat2 33663340
RgC_gtofp 34044098
const_vec 34489922
zero_zv 36745725
polx_Flx 37834800
lincombii 38215609
znstar_get_N 38655073
mkfrac 41643309
zeropol 42358624
powii 43178858
is_vec_t 43956414
closure_is_variadic 44827153
absfrac 46644934
guncloneNULL 48235387
pr_get_tau 49577412
mkmat22 50281541
ell_is_inf 52450211
QV_isscalar 54418615
pol1_Flx 55091107
zero_Flv 59570093
addmuliu_inplace 59707877
submuliu_inplace 60207564
F2x_copy 60462468
gtodouble 60804957
is_real_t 62063889
qfb_is_qfi 62935580
Fp_sqr 64595659
Fp_mulu 67740582
get_Flx_var 68415075
mkvec 71142011
nf_get_degree 71371265
Fp_center 77172471
vecsmallpermute 78735605
rowslice 79351423
sqrtr 80390485
perm_mul 80931014
Fp_red 82089097
get_Flx_degree 82285815
pol_0 83002180
gtos 85854575
is_noncalc_t 85878631
cxnorm 91224902
mkcomplex 91654124
pr_get_p 92491012
dbllog2r 92835150
nf_get_pol 98084493
F2v_set 101405792
vecsmalltrunc_append 101498480
cgiv 102280742
RgX_copy 103409442
pol0_Flx 103515557
prec2nbits 103968551
mkvecsmall3 104046335
vecsmall_prefixcmp 108088071
gc_all 110027137
F2x_renormalize 115170841
mkvec3 117744092
zerocol 122360906
gaddgs 123248655
both_odd 123883651
F2x_set 124712454
nchar2nlong 127440822
mkvecsmall 131690655
equalim1 139505897
bit_prec 142850698
FpX_renormalize 144584399
ZX_renormalize 155056179
mkcol2 156877295
nbrows 157538185
leading_coeff 170557647
Flx_copy 173800183
Fp_add 181575622
nbits2prec 186158504
mkvec2 186198773
vecsmalltrunc_init 192335656
Fp_mul 201085051
Fp_sub 203569266
mkvecsmall2 233659524
gtofp 254396463
gc_GEN 256208834
gmulgu 282059385
closure_get_data 321643547
closure_get_oper 321672314
closure_codestr 321696412
lg_increase 322905764
is_universal_constant 325881364
lgcols 350850198
closure_arity 371559742
is_scalar_t 375679231
bin_copy 497447011
pari_free 510868345
is_bigint 562976742
leafcopy_avma 577562470
vecslice 656321961
is_matvec_t 659618131
F2v_coeff 661336227
F2x_coeff 667885837
pari_malloc 746747399
pari_stack_new 925131944
GENbinbase 964581092
pari_stack_alloc 1019829608
pari_stack_base 1025462800
gc_leaf 1132263733
equali1 1175715572
nbits2extraprec 1456918342
gc_upto 1951247292
odd 2085598158
is_pm1 2203464959
lgpol 2680477180
isintzero 2843119680
bit_accuracy 3163393669
gc_INT 4109970478
prec2lg 4468280978
is_const_t 4893894100
degpol 5498146951
remsBIL 8006588282
icopy_avma 8042267971
divsBIL 8096511375
isonstack 8264277281
is_recursive_t 9240252696

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