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: 1420 1532 92.7 %
Date: 2025-11-10 09:22:37 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 22083
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 33508
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 37838
FqX_div 38546
FqX_deriv 40061
mkcols 40411
bid_get_arch 41187
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 61608
err_get_num 62529
bid_get_gen 64274
nf_get_ramified_primes 64813
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 74578
bnr_get_mod 77119
gal_get_group 80394
mkcol3 88314
gtou 98316
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108846
zeromat 109186
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114572
Q_abs_shallow 120255
mkmatcopy 122221
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138523
zeroser 138908
RgV_is_QV 140758
FqX_factor 141051
get_FpXQX_mod 146583
FlxqX_div_pre 165417
znstar_get_U 176107
rowslicepermute 184918
vecsmall_prepend 186991
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200497
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220418
mkcol6 232589
ellR_get_prec 232750
zero_Flm_copy 235915
gchar_get_nf 243932
Fp_halve 247348
affc_fixlg 249620
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277497
gchar_get_zm 281911
bnf_get_tuN 283008
bnf_get_fu_nocheck 289072
bnf_get_tuU 303581
nf_get_G 303614
vec_prepend 313995
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 333156
cxtoreal 337207
upr_norm 346134
RgX_renormalize 349807
abgrp_get_no 355190
ZM_hnfrem 363852
FqX_mul 367817
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384901
RgX_is_QX 400126
perm_conj 418299
FqX_Fq_mul 427296
FqX_extgcd 445047
Z_issquare 458926
nf_get_disc 463860
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 531590
addmuliu 541092
FqX_Fp_mul 572117
prec2nbits_mul 581166
vecsmall_ei 584706
ZM_ZV_mod 596592
RgC_fpnorml2 622064
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698439
coltrunc_init 740250
logint 755039
gcmpgs 761933
row 764007
rnf_get_nf 786030
ellff_get_a4a6 800036
zero_F2m_copy 845101
FpXX_renormalize 849896
zeropadic 855658
gmin_shallow 878282
affgr 898866
ZXQ_sqr 961093
cgetc 975460
Flx_lead 980211
polx_F2x 1078839
pr_norm 1088567
sstoQ 1097215
Fp_invsafe 1100359
Flx_mulu 1105193
vecsmall_max 1164584
mkfracss 1209563
RgV_isscalar 1210307
gen_I 1269840
RgX_is_monomial 1331678
mkoo 1331999
bnf_get_sunits 1367780
bnr_get_nf 1368122
rnf_get_absdegree 1392746
zero_Flx 1426888
guncloneNULL_deep 1438956
constant_coeff 1441497
Rg_col_ei 1451241
inf_get_sign 1453103
vecsmall_concat 1464440
nf_get_varn 1503580
bid_get_mod 1521921
F2m_flip 1554075
F2v_flip 1554075
F2x_flip 1554075
F2x_div 1571081
uutoQ 1600198
nf_get_roots 1627856
bnf_get_gen 1680315
vec_ei 1714622
ulogint 1720237
gsubgs 1724810
mkvecsmall5 1731103
nf_get_roundG 1746635
abgrp_get_gen 1765030
ellinf 1869840
modpr_get_p 1888432
killblock 1928983
get_F2x_degree 1929020
Flx_div 1999005
ellnf_get_nf 2027609
ellff_get_field 2036869
bnr_get_bid 2045863
ell_get_j 2126227
bid_get_MOD 2157252
bid_get_sprk 2157979
ZXQ_mul 2162070
zv_copy 2184069
bid_get_fact2 2201573
gc_slice 2204914
pol_xn 2249959
pari_realloc_ip 2267867
bid_get_archp 2397091
bid_get_fact 2498928
get_F2x_mod 2499161
rnf_get_degree 2506307
bnr_get_cyc 2522330
get_F2x_var 2534155
ell_get_b4 2550216
Flv_copy 2555328
mul_content 2654074
RgX_coeff 2669861
vecslicepermute 2690348
hash_str 2756815
cyc_get_expo 2757783
perm_inv 2782882
sqrtnr 2807623
bnr_get_clgp 2830010
zero_Flm 2830263
rnf_get_pol 2845157
znstar_get_pe 2868790
F2x_equal1 2873963
bnf_get_logfu 2874713
gisdouble 2988014
mkpolmod 3105019
Fq_red 3106345
bit_accuracy_mul 3175472
ZV_to_zv 3211414
identity_perm 3242653
F3m_coeff 3256666
identity_zv 3267003
znstar_get_conreygen 3289889
ell_get_b8 3297414
get_FpX_mod 3394339
vec_append 3465581
zero_F2v 3648067
bid_get_U 3680232
bnf_get_cyc 3686062
nf_get_index 3711310
bnr_get_bnf 3750905
pol_1 3756378
pol_x 3858180
ell_get_b6 3863115
mulsubii 3881934
pol1_F2x 3957673
vec_to_vecsmall 4036845
vecsmall_append 4111369
sqrfrac 4148137
vecsmall_copy 4404211
mkcol2s 4416244
F2x_equal 4661895
FpXQX_renormalize 4693832
mkmat 4750901
qfb_disc3 4990913
mkfraccopy 4999067
is_rational_t 5035284
bnf_get_clgp 5374915
nf_get_zkprimpart 5416318
nf_get_zkden 5462074
FpX_div 5581035
checkell_i 5593319
pari_stack_delete 5615469
isintm1 5711132
bid_get_cyc 5739545
bid_get_grp 5804401
col_ei 5925831
pari_stack_init 6083741
get_FpX_degree 6424531
Flm_copy 6433502
sqrti 6665670
get_FpX_var 6957840
RgX_div 7000740
vecsmall_lexcmp 7043259
ell_get_a2 7106156
ZM_lll 7112546
RgX_gtofp 7147710
znstar_get_faN 7330731
ell_get_b2 7371036
ZX_is_monic 7375999
zc_to_ZC 7823835
vecsmall_to_col 7838019
znstar_get_conreycyc 7978902
F2m_coeff 8038983
Q_abs 8062590
mkintmod 8092660
ZV_ZV_mod 8131259
RgM_gtofp 8252396
Flx_equal1 8327141
gc_INT_affii 8489892
ell_get_a4 8536697
Flm_row 8742423
ell_get_a3 8814030
ell_get_a1 8997062
cxtofp 9083058
veclast 9372660
ismpzero 9583799
is_intreal_t 9583925
const_col 9729851
RgM_dimensions 9742192
nf_get_invzk 9765347
bnf_get_nf 9863693
mkvec4 10106103
ser_isexactzero 10120284
ell_get_a6 10370935
mkcol 10640993
ZC_hnfrem 10690781
mul_denom 10709785
ell_get_c4 11018092
Fp_addmul 11390203
pr_get_gen 12062081
vectrunc_init 12065851
abgrp_get_cyc 12230199
F2v_clear 12355252
F2x_clear 12355252
ell_get_type 12499362
nbits2nlong 12649541
pol0_F2x 13245464
ell_get_c6 13474522
gmax_shallow 13510221
modpr_get_T 13867588
closure_get_frame 14169492
zeromatcopy 14240451
rowpermute 14709683
Fp_div 15035458
Fp_divu 15135205
mkvec5 15184971
pr_get_e 15952766
vectrunc_append 16161781
ell_get_disc 16815190
matslice 16817701
pr_is_inert 16910206
normalize_frac 17204679
isint1 17585246
mkvecsmall4 17837152
Fp_center_i 18059466
cxcompotor 18217789
qfb_disc 18514487
const_vecsmall 19706101
vecpermute 20531709
nf_get_M 21172048
Flx_div_pre 21703618
RgM_shallowcopy 22169940
Fp_double 22353236
RgX_is_ZX 22422001
gmulgs 22510979
nf_get_r1 22892565
ZV_isscalar 23098236
Fp_inv 23437746
get_Flx_mod 25599521
pr_get_f 26040698
RgX_equal_var 26880630
shallowcopy 27640443
mkqfb 27919934
zerovec 28455542
modpr_get_pr 31237995
Fp_neg 31488102
hash_str_len 31549703
RgV_is_ZV 32164048
submulii 32847018
mkmat2 33658550
RgC_gtofp 34012116
const_vec 34481284
zero_zv 36737966
polx_Flx 37827429
lincombii 38199286
znstar_get_N 38653757
closure_is_variadic 40168273
mkfrac 41641785
zeropol 42358624
powii 43178409
is_vec_t 43930467
absfrac 46641958
guncloneNULL 48223440
pr_get_tau 48871542
mkmat22 50274760
ell_is_inf 52493741
QV_isscalar 54401084
pol1_Flx 55056905
zero_Flv 59497554
addmuliu_inplace 59700682
submuliu_inplace 60199562
F2x_copy 60414016
gtodouble 60799431
is_real_t 62063862
qfb_is_qfi 62940892
Fp_sqr 64789896
Fp_mulu 67842144
get_Flx_var 68358018
mkvec 71146588
nf_get_degree 71350548
Fp_center 77243124
vecsmallpermute 78734110
rowslice 79339720
sqrtr 80366349
perm_mul 80929671
Fp_red 82096092
get_Flx_degree 82255799
pol_0 83001702
gtos 85854560
is_noncalc_t 85862419
cxnorm 90943720
mkcomplex 91628697
pr_get_p 91708715
dbllog2r 92828862
nf_get_pol 98056346
F2v_set 101404014
vecsmalltrunc_append 101456490
cgiv 102120368
RgX_copy 103405292
pol0_Flx 103507417
prec2nbits 103956127
mkvecsmall3 104044035
vecsmall_prefixcmp 108088071
gc_all 109992160
F2x_renormalize 115236972
mkvec3 117824700
zerocol 122288937
gaddgs 123247510
both_odd 124154117
F2x_set 124757040
nchar2nlong 127406408
mkvecsmall 131680472
equalim1 139504751
bit_prec 142674744
FpX_renormalize 144588367
ZX_renormalize 155011549
mkcol2 156853317
nbrows 157471119
leading_coeff 170556842
Flx_copy 173797695
Fp_add 181668719
mkvec2 184715235
nbits2prec 186133832
vecsmalltrunc_init 189531272
Fp_mul 201130134
Fp_sub 203614745
mkvecsmall2 233633319
gtofp 254251944
gc_GEN 256218250
gmulgu 282059385
lg_increase 314648456
closure_get_data 321372805
closure_get_oper 321388558
closure_codestr 321394451
is_universal_constant 325957988
lgcols 350246888
closure_arity 371291442
is_scalar_t 375665227
bin_copy 497306210
pari_free 510710886
is_bigint 562614960
leafcopy_avma 577075810
vecslice 656005726
is_matvec_t 659350040
F2v_coeff 661327767
F2x_coeff 667907703
pari_malloc 746598541
pari_stack_new 924880474
GENbinbase 964305337
pari_stack_alloc 1019570940
pari_stack_base 1025169380
gc_leaf 1132489501
equali1 1175171734
nbits2extraprec 1456660148
gc_upto 1949176225
odd 2085156331
is_pm1 2202574009
lgpol 2684208426
isintzero 2837939836
bit_accuracy 3162934560
gc_INT 4105013969
prec2lg 4466693783
is_const_t 4888681239
degpol 5502650898
remsBIL 8006162382
icopy_avma 8036068091
divsBIL 8097254021
isonstack 8256235152
is_recursive_t 9238348086

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