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: 1419 1532 92.6 %
Date: 2025-12-11 09:22:11 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 22083
gtomp 22428
FqXQ_mul 22766
RgM_fpnorml2 22794
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 27880
gal_get_invvdm 27888
absfrac_shallow 28237
zerovec_block 28947
gequalgs 29176
gener_Fq_local 29946
gal_get_roots 32760
gchar_get_basis 32816
F2xqX_div 33173
ndec2prec 33279
mkcolcopy 33544
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 37873
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 58576
RgX_fpnorml2 61627
err_get_num 62523
bid_get_gen 64274
nf_get_ramified_primes 64855
RgX_is_rational 68325
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 74584
bnr_get_mod 77147
gal_get_group 80401
mkcol3 88314
gtou 98304
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108864
zeromat 109139
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114624
Q_abs_shallow 120255
mkmatcopy 122270
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138715
zeroser 138908
RgV_is_QV 140789
FqX_factor 141079
get_FpXQX_mod 146583
FlxqX_div_pre 165416
znstar_get_U 176107
rowslicepermute 184962
vecsmall_prepend 186998
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200559
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220439
mkcol6 232589
ellR_get_prec 232750
zero_Flm_copy 235940
gchar_get_nf 243946
Fp_halve 247348
affc_fixlg 249623
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 283020
bnf_get_fu_nocheck 289094
bnf_get_tuU 303597
nf_get_G 304210
vec_prepend 313993
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 334014
cxtoreal 337207
upr_norm 346136
RgX_renormalize 349807
abgrp_get_no 355203
ZM_hnfrem 363886
FqX_mul 367827
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384925
RgX_is_QX 400150
perm_conj 418299
FqX_Fq_mul 427293
FqX_extgcd 445091
Z_issquare 458924
nf_get_disc 463977
precdbl 475507
RgX_shift_inplace 479399
RgX_shift_inplace_init 479399
zv_to_ZV 503066
vecsmall_to_vec 511865
nf_get_sign 519566
mkvec3s 524441
gdivsg 531591
addmuliu 535755
FqX_Fp_mul 572224
prec2nbits_mul 581163
vecsmall_ei 584713
ZM_ZV_mod 596658
RgC_fpnorml2 622150
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698439
coltrunc_init 740250
logint 754913
gcmpgs 761921
row 764016
rnf_get_nf 786030
ellff_get_a4a6 800027
zero_F2m_copy 845233
FpXX_renormalize 849896
zeropadic 855397
gmin_shallow 878391
affgr 898866
ZXQ_sqr 961056
cgetc 975460
Flx_lead 980239
polx_F2x 1078683
pr_norm 1090245
sstoQ 1097215
Fp_invsafe 1100559
Flx_mulu 1105492
vecsmall_max 1164444
mkfracss 1209563
RgV_isscalar 1210302
gen_I 1269842
RgX_is_monomial 1331808
mkoo 1332062
bnf_get_sunits 1367839
bnr_get_nf 1368182
rnf_get_absdegree 1392746
zero_Flx 1426749
guncloneNULL_deep 1439759
constant_coeff 1441409
Rg_col_ei 1451816
inf_get_sign 1453182
vecsmall_concat 1464428
nf_get_varn 1503763
bid_get_mod 1521921
F2m_flip 1554224
F2v_flip 1554224
F2x_flip 1554224
F2x_div 1570460
uutoQ 1600198
nf_get_roots 1628543
bnf_get_gen 1680417
ulogint 1709778
vec_ei 1714738
gsubgs 1724807
mkvecsmall5 1731117
nf_get_roundG 1747542
abgrp_get_gen 1765130
ellinf 1869459
modpr_get_p 1888614
get_F2x_degree 1928962
killblock 1929452
Flx_div 1999156
ellnf_get_nf 2027634
ellff_get_field 2036850
bnr_get_bid 2046139
ell_get_j 2126227
bid_get_MOD 2157280
bid_get_sprk 2158014
ZXQ_mul 2162109
zv_copy 2183953
bid_get_fact2 2201598
gc_slice 2204853
pol_xn 2249930
pari_realloc_ip 2269156
bid_get_archp 2397114
bid_get_fact 2498963
get_F2x_mod 2499132
rnf_get_degree 2506307
bnr_get_cyc 2522614
get_F2x_var 2534084
ell_get_b4 2550216
Flv_copy 2555204
mul_content 2655132
RgX_coeff 2669861
vecslicepermute 2691554
hash_str 2756815
cyc_get_expo 2757844
perm_inv 2782998
sqrtnr 2809724
bnr_get_clgp 2830293
zero_Flm 2830546
rnf_get_pol 2845164
znstar_get_pe 2869063
F2x_equal1 2873941
bnf_get_logfu 2874817
gisdouble 2993182
mkpolmod 3105224
Fq_red 3106334
bit_accuracy_mul 3175472
ZV_to_zv 3211421
identity_perm 3242968
F3m_coeff 3256660
identity_zv 3267317
znstar_get_conreygen 3290176
ell_get_b8 3297414
get_FpX_mod 3394563
vec_append 3465742
zero_F2v 3648460
bid_get_U 3680259
bnf_get_cyc 3686697
nf_get_index 3712380
bnr_get_bnf 3751402
pol_1 3756605
pol_x 3858466
ell_get_b6 3863115
mulsubii 3882279
pol1_F2x 3957085
vec_to_vecsmall 4036866
vecsmall_append 4111384
sqrfrac 4148186
vecsmall_copy 4404852
mkcol2s 4416244
F2x_equal 4658459
FpXQX_renormalize 4693348
mkmat 4751419
qfb_disc3 4995510
mkfraccopy 4999572
is_rational_t 5035698
bnf_get_clgp 5375657
nf_get_zkprimpart 5418466
nf_get_zkden 5464279
FpX_div 5583066
checkell_i 5593265
pari_stack_delete 5620718
isintm1 5711117
bid_get_cyc 5739822
bid_get_grp 5804677
col_ei 5927050
pari_stack_init 6086699
get_FpX_degree 6424873
Flm_copy 6435570
sqrti 6667009
get_FpX_var 6958067
RgX_div 7000740
vecsmall_lexcmp 7043259
ell_get_a2 7106179
ZM_lll 7118041
RgX_gtofp 7147763
znstar_get_faN 7331711
ell_get_b2 7371031
ZX_is_monic 7376164
zc_to_ZC 7824614
vecsmall_to_col 7838793
znstar_get_conreycyc 7979693
F2m_coeff 8039499
Q_abs 8064377
mkintmod 8092663
ZV_ZV_mod 8131663
RgM_gtofp 8260035
Flx_equal1 8331112
gc_INT_affii 8500673
ell_get_a4 8536720
Flm_row 8742413
ell_get_a3 8814048
ell_get_a1 8997080
cxtofp 9085016
veclast 9372754
ismpzero 9586384
is_intreal_t 9586497
const_col 9730271
RgM_dimensions 9742664
nf_get_invzk 9769541
bnf_get_nf 9865056
mkvec4 10107027
ser_isexactzero 10120284
ell_get_a6 10370958
mkcol 10641643
ZC_hnfrem 10696941
mul_denom 10713648
ell_get_c4 11017465
Fp_addmul 11395137
vectrunc_init 12067030
pr_get_gen 12069843
abgrp_get_cyc 12231368
F2x_clear 12357501
F2v_clear 12357518
ell_get_type 12499193
nbits2nlong 12675242
pol0_F2x 13241963
ell_get_c6 13473930
gmax_shallow 13510225
modpr_get_T 13868001
closure_get_frame 14173831
zeromatcopy 14252221
rowpermute 14711202
Fp_div 15035689
Fp_divu 15130120
mkvec5 15187137
pr_get_e 16105714
vectrunc_append 16161617
ell_get_disc 16814436
matslice 16824556
pr_is_inert 17150703
normalize_frac 17206793
isint1 17587076
mkvecsmall4 17830489
Fp_center_i 18049426
cxcompotor 18221711
qfb_disc 18514495
const_vecsmall 19711937
vecpermute 20547131
nf_get_M 21308445
Flx_div_pre 21716009
RgM_shallowcopy 22179869
Fp_double 22360735
RgX_is_ZX 22426240
gmulgs 22612857
nf_get_r1 23029127
ZV_isscalar 23235926
Fp_inv 23444555
get_Flx_mod 25610583
pr_get_f 26350717
RgX_equal_var 26883207
shallowcopy 27643359
mkqfb 27929134
zerovec 28455844
modpr_get_pr 31238925
Fp_neg 31479153
hash_str_len 31551642
RgV_is_ZV 32167329
submulii 32848628
mkmat2 33664102
RgC_gtofp 34044093
const_vec 34490620
zero_zv 36745210
polx_Flx 37839244
lincombii 38229864
znstar_get_N 38655073
mkfrac 41644001
zeropol 42358743
powii 43178874
is_vec_t 43944741
closure_is_variadic 44826910
absfrac 46644850
guncloneNULL 48226062
pr_get_tau 49577947
mkmat22 50283217
ell_is_inf 52453689
QV_isscalar 54419620
pol1_Flx 55095079
zero_Flv 59569205
addmuliu_inplace 59706989
submuliu_inplace 60198652
F2x_copy 60415369
gtodouble 60794011
is_real_t 62063903
qfb_is_qfi 62947622
Fp_sqr 64722526
Fp_mulu 67719490
get_Flx_var 68419259
mkvec 71168896
nf_get_degree 71372422
Fp_center 77213406
vecsmallpermute 78739186
rowslice 79358609
sqrtr 80382195
perm_mul 80935015
Fp_red 82086807
get_Flx_degree 82277510
pol_0 83002364
gtos 85854543
is_noncalc_t 85879244
cxnorm 91217502
mkcomplex 91633062
pr_get_p 92491924
dbllog2r 92831052
nf_get_pol 98086940
F2v_set 101405648
vecsmalltrunc_append 101461017
cgiv 102285019
RgX_copy 103409149
pol0_Flx 103520882
prec2nbits 103969628
mkvecsmall3 104049895
vecsmall_prefixcmp 108088071
gc_all 110028872
F2x_renormalize 115156407
mkvec3 117706350
zerocol 122362330
gaddgs 123248627
both_odd 123891754
F2x_set 124705236
nchar2nlong 127438577
mkvecsmall 131695430
equalim1 139505709
bit_prec 142845623
FpX_renormalize 144587048
ZX_renormalize 155034244
mkcol2 156882997
nbrows 157541694
leading_coeff 170556206
Flx_copy 173830005
Fp_add 181605264
mkvec2 184492045
nbits2prec 186156679
vecsmalltrunc_init 188871404
Fp_mul 201104217
Fp_sub 203641316
mkvecsmall2 233683230
gtofp 254398279
gc_GEN 256245140
gmulgu 282059385
lg_increase 314945717
closure_get_data 321643917
closure_get_oper 321672517
closure_codestr 321696858
is_universal_constant 325995774
lgcols 350866316
closure_arity 371559347
is_scalar_t 375679140
bin_copy 497443861
pari_free 510850155
is_bigint 562996821
leafcopy_avma 577248284
vecslice 656381458
is_matvec_t 659605951
F2v_coeff 661335312
F2x_coeff 667870087
pari_malloc 746745176
pari_stack_new 925122217
GENbinbase 964574959
pari_stack_alloc 1019821034
pari_stack_base 1025422819
gc_leaf 1132648666
equali1 1175754880
nbits2extraprec 1457074117
gc_upto 1951269548
odd 2084380185
is_pm1 2203919705
lgpol 2681295207
isintzero 2843360265
bit_accuracy 3163531229
gc_INT 4110972272
prec2lg 4468553014
is_const_t 4894625611
degpol 5500162403
remsBIL 8007208784
icopy_avma 8042627888
divsBIL 8097205632
isonstack 8266004034
is_recursive_t 9240192421

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