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 30558-88b7dc3357) Lines: 1419 1532 92.6 %
Date: 2025-11-27 09:21:46 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
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 4144
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
ndec2nbits 8270
FqX_gcd 8288
bnf_get_no 8372
prec2ndec 9778
cgetalloc 10166
gchar_get_Ui 10983
vec_shorten 11556
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 15391
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 22083
gtomp 22428
FqXQ_mul 22766
RgM_fpnorml2 22787
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 33501
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 37862
FqX_div 38568
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 58477
RgX_fpnorml2 61607
err_get_num 62522
bid_get_gen 64273
nf_get_ramified_primes 64813
RgX_is_rational 68312
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 74576
bnr_get_mod 77119
gal_get_group 80395
mkcol3 88314
gtou 98307
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108850
zeromat 109173
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114570
Q_abs_shallow 120239
mkmatcopy 122241
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138519
zeroser 138908
RgV_is_QV 140762
FqX_factor 141072
get_FpXQX_mod 146583
FlxqX_div_pre 165414
znstar_get_U 176107
rowslicepermute 184750
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 220416
mkcol6 232589
ellR_get_prec 232750
zero_Flm_copy 235922
gchar_get_nf 243946
Fp_halve 247348
affc_fixlg 249618
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277496
gchar_get_zm 281911
bnf_get_tuN 283001
bnf_get_fu_nocheck 289078
bnf_get_tuU 303577
nf_get_G 303629
vec_prepend 313991
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 334021
cxtoreal 337207
upr_norm 346132
RgX_renormalize 349807
abgrp_get_no 355188
ZM_hnfrem 363878
FqX_mul 367815
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384904
RgX_is_QX 400136
perm_conj 418299
FqX_Fq_mul 427298
FqX_extgcd 445051
Z_issquare 458925
nf_get_disc 463858
precdbl 475523
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 535844
FqX_Fp_mul 572120
prec2nbits_mul 581165
vecsmall_ei 584715
ZM_ZV_mod 596577
RgC_fpnorml2 622078
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698439
coltrunc_init 740250
logint 754896
gcmpgs 761913
row 764010
rnf_get_nf 786030
ellff_get_a4a6 800030
zero_F2m_copy 845099
FpXX_renormalize 849896
zeropadic 855683
gmin_shallow 878301
affgr 898866
ZXQ_sqr 961085
cgetc 975460
Flx_lead 980154
polx_F2x 1078829
pr_norm 1088621
sstoQ 1097215
Fp_invsafe 1100548
Flx_mulu 1105461
vecsmall_max 1164675
mkfracss 1209563
RgV_isscalar 1210303
gen_I 1269839
RgX_is_monomial 1331808
mkoo 1332034
bnf_get_sunits 1367783
bnr_get_nf 1368105
rnf_get_absdegree 1392746
zero_Flx 1426650
constant_coeff 1441393
guncloneNULL_deep 1444059
Rg_col_ei 1451355
inf_get_sign 1453141
vecsmall_concat 1464426
nf_get_varn 1503722
bid_get_mod 1521919
F2m_flip 1554251
F2v_flip 1554251
F2x_flip 1554251
F2x_div 1570535
uutoQ 1600198
nf_get_roots 1627880
bnf_get_gen 1680310
vec_ei 1714614
gsubgs 1724797
ulogint 1725158
mkvecsmall5 1731077
nf_get_roundG 1746659
abgrp_get_gen 1765020
ellinf 1869442
modpr_get_p 1888432
get_F2x_degree 1929105
killblock 1929620
Flx_div 1998954
ellnf_get_nf 2027639
ellff_get_field 2036873
bnr_get_bid 2045860
ell_get_j 2126227
bid_get_MOD 2157244
bid_get_sprk 2157969
ZXQ_mul 2162073
zv_copy 2184022
bid_get_fact2 2201564
gc_slice 2205016
pol_xn 2249938
pari_realloc_ip 2268185
bid_get_archp 2397064
bid_get_fact 2498896
get_F2x_mod 2499206
rnf_get_degree 2506307
bnr_get_cyc 2522326
get_F2x_var 2534244
ell_get_b4 2550216
Flv_copy 2555283
mul_content 2654210
RgX_coeff 2669861
vecslicepermute 2689329
hash_str 2756815
cyc_get_expo 2757772
perm_inv 2782900
sqrtnr 2808779
bnr_get_clgp 2830004
zero_Flm 2830139
rnf_get_pol 2845164
znstar_get_pe 2868790
F2x_equal1 2874015
bnf_get_logfu 2874711
gisdouble 2987698
mkpolmod 3105123
Fq_red 3106379
bit_accuracy_mul 3175472
ZV_to_zv 3211412
identity_perm 3242557
F3m_coeff 3256664
identity_zv 3266906
znstar_get_conreygen 3289889
ell_get_b8 3297414
get_FpX_mod 3394552
vec_append 3465574
zero_F2v 3648066
bid_get_U 3680222
bnf_get_cyc 3686058
nf_get_index 3711345
bnr_get_bnf 3750900
pol_1 3756420
pol_x 3858278
ell_get_b6 3863115
mulsubii 3881196
pol1_F2x 3958340
vec_to_vecsmall 4036813
vecsmall_append 4111376
sqrfrac 4148203
vecsmall_copy 4404221
mkcol2s 4416244
F2x_equal 4656479
FpXQX_renormalize 4693199
mkmat 4750930
qfb_disc3 4991189
mkfraccopy 4999324
is_rational_t 5035316
bnf_get_clgp 5374906
nf_get_zkprimpart 5416710
nf_get_zkden 5462550
FpX_div 5581200
checkell_i 5593345
pari_stack_delete 5629625
isintm1 5711247
bid_get_cyc 5739542
bid_get_grp 5804393
col_ei 5926041
pari_stack_init 6084516
get_FpX_degree 6424826
Flm_copy 6433673
sqrti 6665969
get_FpX_var 6957870
RgX_div 7000740
vecsmall_lexcmp 7043198
ell_get_a2 7106189
ZM_lll 7112867
RgX_gtofp 7147777
znstar_get_faN 7330731
ell_get_b2 7371025
ZX_is_monic 7376001
zc_to_ZC 7823379
vecsmall_to_col 7837561
znstar_get_conreycyc 7978902
F2m_coeff 8039289
Q_abs 8063956
mkintmod 8092504
ZV_ZV_mod 8131217
RgM_gtofp 8252993
Flx_equal1 8331045
gc_INT_affii 8485526
ell_get_a4 8536730
Flm_row 8742560
ell_get_a3 8814052
ell_get_a1 8997084
cxtofp 9084953
veclast 9372677
ismpzero 9583998
is_intreal_t 9584099
const_col 9729871
RgM_dimensions 9742277
nf_get_invzk 9766099
bnf_get_nf 9863693
mkvec4 10106276
ser_isexactzero 10120284
ell_get_a6 10370968
mkcol 10640947
ZC_hnfrem 10690772
mul_denom 10710200
ell_get_c4 11018020
Fp_addmul 11360721
pr_get_gen 12062936
vectrunc_init 12065441
abgrp_get_cyc 12230161
F2x_clear 12355673
F2v_clear 12355681
ell_get_type 12499426
nbits2nlong 12680618
pol0_F2x 13241009
ell_get_c6 13474399
gmax_shallow 13510220
modpr_get_T 13867673
closure_get_frame 14169951
zeromatcopy 14241200
rowpermute 14709596
Fp_div 15035144
Fp_divu 15129695
mkvec5 15185263
pr_get_e 15953037
vectrunc_append 16163297
ell_get_disc 16814997
matslice 16818277
pr_is_inert 16910340
normalize_frac 17205219
isint1 17586698
mkvecsmall4 17833377
Fp_center_i 18055004
cxcompotor 18221569
qfb_disc 18514446
const_vecsmall 19707618
vecpermute 20528407
nf_get_M 21172096
Flx_div_pre 21707299
RgM_shallowcopy 22170853
Fp_double 22279027
RgX_is_ZX 22422487
gmulgs 22451361
nf_get_r1 22892637
ZV_isscalar 23098304
Fp_inv 23440012
get_Flx_mod 25600272
pr_get_f 26042164
RgX_equal_var 26883187
shallowcopy 27640050
mkqfb 27920526
zerovec 28455508
modpr_get_pr 31238379
Fp_neg 31482292
hash_str_len 31550171
RgV_is_ZV 32166731
submulii 32847732
mkmat2 33659348
RgC_gtofp 34013855
const_vec 34478649
zero_zv 36739318
polx_Flx 37829275
lincombii 38187915
znstar_get_N 38653757
mkfrac 41638449
zeropol 42358719
powii 43178485
is_vec_t 43969718
closure_is_variadic 44820712
absfrac 46643514
guncloneNULL 48227506
pr_get_tau 48872266
mkmat22 50276927
ell_is_inf 52486482
QV_isscalar 54401853
pol1_Flx 55073745
zero_Flv 59500105
addmuliu_inplace 59765515
submuliu_inplace 60252433
F2x_copy 60371973
gtodouble 60801132
is_real_t 62063861
qfb_is_qfi 62943070
Fp_sqr 64392386
get_Flx_var 68388196
Fp_mulu 69948743
mkvec 71148541
nf_get_degree 71351653
Fp_center 77241103
vecsmallpermute 78733982
rowslice 79339961
sqrtr 80367384
perm_mul 80930002
Fp_red 82089353
pol_0 83002113
get_Flx_degree 83396685
gtos 85854597
is_noncalc_t 85865392
cxnorm 90948086
mkcomplex 91638163
pr_get_p 91709822
dbllog2r 92829602
nf_get_pol 98059456
F2v_set 101404378
vecsmalltrunc_append 101467005
cgiv 102120764
RgX_copy 103409157
pol0_Flx 103507196
prec2nbits 103961957
mkvecsmall3 104042782
vecsmall_prefixcmp 108088071
gc_all 110008444
F2x_renormalize 115250937
mkvec3 121126745
zerocol 122291208
gaddgs 123248609
both_odd 124189298
F2x_set 124795424
nchar2nlong 127409872
mkvecsmall 131681054
equalim1 139505635
bit_prec 142667287
FpX_renormalize 144583139
ZX_renormalize 155020338
mkcol2 156863438
nbrows 157477017
leading_coeff 170554232
Flx_copy 173779244
Fp_add 181472106
mkvec2 185227245
nbits2prec 186132752
vecsmalltrunc_init 190517617
Fp_mul 201046218
Fp_sub 203446468
mkvecsmall2 233656602
gtofp 254268351
gc_GEN 256196614
gmulgu 282059385
lg_increase 317005368
closure_get_data 321363176
closure_get_oper 321392381
closure_codestr 321419434
is_universal_constant 325815182
lgcols 350260422
closure_arity 371276234
is_scalar_t 375670309
bin_copy 497344373
pari_free 510756456
is_bigint 562568860
leafcopy_avma 576837088
vecslice 656204796
is_matvec_t 659373788
F2v_coeff 661330142
F2x_coeff 667949613
pari_malloc 746646636
pari_stack_new 924920188
GENbinbase 964390343
pari_stack_alloc 1019588672
pari_stack_base 1025200023
gc_leaf 1137483093
equali1 1175180926
nbits2extraprec 1456744371
gc_upto 1949141298
odd 2085265297
is_pm1 2203539751
lgpol 2690877335
isintzero 2838231810
bit_accuracy 3162691917
gc_INT 4104479082
prec2lg 4467037524
is_const_t 4889779972
degpol 5517565755
remsBIL 8005486926
icopy_avma 8035571130
divsBIL 8095453031
isonstack 8260463683
is_recursive_t 9238948655

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