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 30531-d68fd7cb7d) Lines: 1419 1532 92.6 %
Date: 2025-10-16 09:22:45 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 3885
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
gval 5824
pari_stack_pushp 5851
gal_get_p 6020
FqX_get_red 6090
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 11556
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 22780
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 29930
gal_get_roots 32753
gchar_get_basis 32816
F2xqX_div 33173
ndec2prec 33237
mkcolcopy 33509
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 37897
FqX_div 38546
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41507
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 61609
err_get_num 62530
bid_get_gen 64274
nf_get_ramified_primes 64812
RgX_is_rational 68303
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 74573
bnr_get_mod 77119
gal_get_group 80395
mkcol3 88314
gtou 98307
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108848
zeromat 109126
RgV_isin 110130
RgV_isin_i 110130
mkvec2copy 114570
Q_abs_shallow 120259
mkmatcopy 122252
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138525
zeroser 138824
RgV_is_QV 140761
FqX_factor 141051
get_FpXQX_mod 146583
FlxqX_div_pre 165415
znstar_get_U 176107
rowslicepermute 184906
vecsmall_prepend 186991
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200495
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220419
mkcol6 232589
ellR_get_prec 232750
zero_Flm_copy 235913
gchar_get_nf 243932
Fp_halve 247348
affc_fixlg 249594
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277492
gchar_get_zm 281911
bnf_get_tuN 283007
bnf_get_fu_nocheck 289089
bnf_get_tuU 303584
nf_get_G 303600
vec_prepend 313999
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 333156
cxtoreal 337179
upr_norm 346135
RgX_renormalize 349807
abgrp_get_no 355180
ZM_hnfrem 363839
FqX_mul 367813
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384902
RgX_is_QX 400126
perm_conj 418299
FqX_Fq_mul 427295
FqX_extgcd 445046
Z_issquare 458918
nf_get_disc 463859
precdbl 475516
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
zv_to_ZV 503010
vecsmall_to_vec 511585
nf_get_sign 519553
mkvec3s 524441
gdivsg 531334
addmuliu 541119
FqX_Fp_mul 572125
prec2nbits_mul 581139
vecsmall_ei 584730
ZM_ZV_mod 596615
RgC_fpnorml2 622064
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698152
coltrunc_init 740250
logint 755028
gcmpgs 761913
row 764012
rnf_get_nf 786030
ellff_get_a4a6 800039
zero_F2m_copy 845093
FpXX_renormalize 849896
zeropadic 855629
gmin_shallow 878328
affgr 898817
ZXQ_sqr 961086
cgetc 975623
Flx_lead 979936
polx_F2x 1078566
pr_norm 1088583
sstoQ 1097215
Fp_invsafe 1100360
Flx_mulu 1105187
vecsmall_max 1164583
mkfracss 1209563
RgV_isscalar 1210306
gen_I 1269820
RgX_is_monomial 1331247
mkoo 1332017
bnf_get_sunits 1367778
bnr_get_nf 1368117
guncloneNULL_deep 1385197
rnf_get_absdegree 1392746
zero_Flx 1426919
constant_coeff 1441483
Rg_col_ei 1451316
inf_get_sign 1453118
vecsmall_concat 1464425
nf_get_varn 1503577
bid_get_mod 1521921
F2m_flip 1554224
F2v_flip 1554224
F2x_flip 1554224
F2x_div 1570290
uutoQ 1600142
nf_get_roots 1627855
bnf_get_gen 1680325
vec_ei 1714611
ulogint 1720306
gsubgs 1724187
mkvecsmall5 1730643
nf_get_roundG 1746627
abgrp_get_gen 1765040
ellinf 1868506
modpr_get_p 1888432
killblock 1900191
get_F2x_degree 1929076
Flx_div 1999032
ellnf_get_nf 2027601
ellff_get_field 2036878
bnr_get_bid 2045860
ell_get_j 2126227
bid_get_MOD 2157258
bid_get_sprk 2157976
ZXQ_mul 2162042
pari_realloc_ip 2180214
zv_copy 2184187
bid_get_fact2 2201578
gc_slice 2204921
pol_xn 2249966
bid_get_archp 2397071
bid_get_fact 2498895
get_F2x_mod 2499090
rnf_get_degree 2506307
bnr_get_cyc 2522327
get_F2x_var 2534229
ell_get_b4 2549033
Flv_copy 2555444
mul_content 2654082
RgX_coeff 2669371
vecslicepermute 2690098
hash_str 2754915
cyc_get_expo 2757759
perm_inv 2782844
sqrtnr 2807642
bnr_get_clgp 2829989
zero_Flm 2830193
rnf_get_pol 2845157
znstar_get_pe 2868790
F2x_equal1 2873773
bnf_get_logfu 2874719
gisdouble 2988035
mkpolmod 3105019
Fq_red 3106440
bit_accuracy_mul 3175454
ZV_to_zv 3211415
identity_perm 3242571
F3m_coeff 3256656
identity_zv 3266921
znstar_get_conreygen 3289889
ell_get_b8 3297414
get_FpX_mod 3394345
vec_append 3465581
zero_F2v 3648052
bid_get_U 3680235
bnf_get_cyc 3686074
nf_get_index 3711292
bnr_get_bnf 3750890
pol_1 3756407
pol_x 3856843
ell_get_b6 3861932
mulsubii 3881250
pol1_F2x 3958040
vec_to_vecsmall 4036827
vecsmall_append 4111377
sqrfrac 4147687
vecsmall_copy 4404253
mkcol2s 4416244
F2x_equal 4658402
FpXQX_renormalize 4693316
mkmat 4750792
qfb_disc3 4991137
mkfraccopy 4999073
is_rational_t 5035171
bnf_get_clgp 5374946
pari_stack_delete 5388563
nf_get_zkprimpart 5416304
nf_get_zkden 5462202
FpX_div 5581081
checkell_i 5593337
isintm1 5704286
bid_get_cyc 5739537
bid_get_grp 5804389
pari_stack_init 5835261
col_ei 5925807
get_FpX_degree 6424469
Flm_copy 6433597
sqrti 6665610
get_FpX_var 6957701
RgX_div 7000740
vecsmall_lexcmp 7043259
ell_get_a2 7105473
ZM_lll 7112705
RgX_gtofp 7147582
znstar_get_faN 7330731
ell_get_b2 7369853
ZX_is_monic 7375991
zc_to_ZC 7823748
vecsmall_to_col 7837930
znstar_get_conreycyc 7978902
F2m_coeff 8039214
Q_abs 8062590
mkintmod 8092629
ZV_ZV_mod 8131273
RgM_gtofp 8252701
Flx_equal1 8326898
gc_INT_affii 8488273
ell_get_a4 8536014
Flm_row 8742606
ell_get_a3 8813347
ell_get_a1 8996379
cxtofp 9083587
veclast 9372682
ismpzero 9583718
is_intreal_t 9583835
const_col 9729874
RgM_dimensions 9742101
nf_get_invzk 9765406
bnf_get_nf 9863724
ser_isexactzero 10079479
mkvec4 10105967
ell_get_a6 10370252
mkcol 10641073
ZC_hnfrem 10690798
mul_denom 10709786
ell_get_c4 10728688
Fp_addmul 11406922
pr_get_gen 12062120
vectrunc_init 12067128
abgrp_get_cyc 12230172
F2v_clear 12355565
F2x_clear 12355571
ell_get_type 12499486
nbits2nlong 12649865
ell_get_c6 12892044
pol0_F2x 13244906
gmax_shallow 13510219
modpr_get_T 13867598
closure_get_frame 14147645
zeromatcopy 14240870
rowpermute 14709467
Fp_div 15035594
Fp_divu 15135376
mkvec5 15184848
pr_get_e 15952943
vectrunc_append 16163582
ell_get_disc 16525579
matslice 16817852
pr_is_inert 16910201
normalize_frac 17204472
isint1 17571959
mkvecsmall4 17839561
Fp_center_i 18058485
cxcompotor 18218667
qfb_disc 18514427
const_vecsmall 19663605
vecpermute 20530954
nf_get_M 21171667
Flx_div_pre 21700600
RgM_shallowcopy 22169967
Fp_double 22384679
RgX_is_ZX 22421924
gmulgs 22500803
nf_get_r1 22892176
ZV_isscalar 23097851
Fp_inv 23437940
get_Flx_mod 25597254
pr_get_f 26041070
RgX_equal_var 26880643
shallowcopy 27639529
mkqfb 27920371
zerovec 28455435
Fp_neg 30907104
modpr_get_pr 31238008
hash_str_len 31542910
RgV_is_ZV 32164052
submulii 32847018
mkmat2 33658362
RgC_gtofp 34012694
const_vec 34469336
zero_zv 36737918
polx_Flx 37822644
lincombii 38189328
znstar_get_N 38653757
closure_is_variadic 40153106
mkfrac 41638828
zeropol 42358595
powii 43176772
is_vec_t 43964526
absfrac 46637687
guncloneNULL 48153354
pr_get_tau 48871974
mkmat22 50283400
ell_is_inf 52501728
QV_isscalar 54399957
pol1_Flx 55053172
zero_Flv 59498127
addmuliu_inplace 59693153
submuliu_inplace 60188765
F2x_copy 60408717
gtodouble 60765611
is_real_t 62659217
qfb_is_qfi 62950055
Fp_sqr 64804426
Fp_mulu 67212544
get_Flx_var 68352866
mkvec 71133417
nf_get_degree 71350291
Fp_center 77212591
vecsmallpermute 78731703
rowslice 79336258
sqrtr 80371094
perm_mul 80927235
Fp_red 82089609
get_Flx_degree 82219379
pol_0 82998283
gtos 85833260
is_noncalc_t 85862119
cxnorm 90946725
mkcomplex 91635820
pr_get_p 91709044
dbllog2r 94011146
nf_get_pol 98056376
F2v_set 101404211
vecsmalltrunc_append 101459031
cgiv 102120360
RgX_copy 103404908
pol0_Flx 103502299
mkvecsmall3 104049388
prec2nbits 105722257
vecsmall_prefixcmp 108088071
gc_all 109992400
F2x_renormalize 115229832
mkvec3 117724330
zerocol 122288268
gaddgs 123245805
both_odd 124007200
F2x_set 124763054
nchar2nlong 127391644
mkvecsmall 131664897
equalim1 139504476
bit_prec 143017052
FpX_renormalize 144582809
ZX_renormalize 155036298
mkcol2 156924911
nbrows 157469500
leading_coeff 170555172
Flx_copy 173763335
Fp_add 181687756
mkvec2 184639899
nbits2prec 187645452
vecsmalltrunc_init 189345485
Fp_mul 201144101
Fp_sub 203714226
mkvecsmall2 233632882
gtofp 254218514
gc_GEN 256170734
gmulgu 282058132
lg_increase 313684871
closure_get_data 321306520
closure_get_oper 321336775
closure_codestr 321363129
is_universal_constant 325792030
lgcols 350244583
closure_arity 371197011
is_scalar_t 375643336
bin_copy 497277552
pari_free 510594711
is_bigint 562562108
leafcopy_avma 576860666
vecslice 656054327
is_matvec_t 659882278
F2v_coeff 661329232
F2x_coeff 667939630
pari_malloc 746529596
pari_stack_new 924709997
GENbinbase 964254522
pari_stack_alloc 1019315974
pari_stack_base 1024689626
gc_leaf 1132710108
equali1 1175153942
nbits2extraprec 1498768367
gc_upto 1949618758
odd 2084781201
is_pm1 2201723641
lgpol 2683333558
isintzero 2839014812
bit_accuracy 3163383290
gc_INT 4103768992
prec2lg 4515010539
is_const_t 4890007900
degpol 5500447014
icopy_avma 8035661913
remsBIL 8081404993
divsBIL 8170974114
isonstack 8255461398
is_recursive_t 9245041111

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