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 30552-d1d0643eee) Lines: 1419 1532 92.6 %
Date: 2025-11-24 09:22:36 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 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 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 22085
gtomp 22428
FqXQ_mul 22766
RgM_fpnorml2 22788
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 37884
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 62523
bid_get_gen 64274
nf_get_ramified_primes 64813
RgX_is_rational 68311
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 74574
bnr_get_mod 77119
gal_get_group 80394
mkcol3 88314
gtou 98314
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108850
zeromat 109155
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114572
Q_abs_shallow 120247
mkmatcopy 122229
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138527
zeroser 138908
RgV_is_QV 140762
FqX_factor 141072
get_FpXQX_mod 146583
FlxqX_div_pre 165410
znstar_get_U 176107
rowslicepermute 184706
vecsmall_prepend 186991
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200494
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220415
mkcol6 232589
ellR_get_prec 232750
zero_Flm_copy 235909
gchar_get_nf 243946
Fp_halve 247348
affc_fixlg 249620
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277495
gchar_get_zm 281911
bnf_get_tuN 283009
bnf_get_fu_nocheck 289088
nf_get_G 303530
bnf_get_tuU 303583
vec_prepend 313998
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 334027
cxtoreal 337208
upr_norm 346135
RgX_renormalize 349807
abgrp_get_no 355186
ZM_hnfrem 363832
FqX_mul 367815
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384914
RgX_is_QX 400141
perm_conj 418299
FqX_Fq_mul 427292
FqX_extgcd 445051
Z_issquare 458925
nf_get_disc 463859
precdbl 475533
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
zv_to_ZV 503010
vecsmall_to_vec 511809
nf_get_sign 519553
mkvec3s 524441
gdivsg 531590
addmuliu 535791
FqX_Fp_mul 572132
prec2nbits_mul 581166
vecsmall_ei 584696
ZM_ZV_mod 596637
RgC_fpnorml2 622069
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698439
coltrunc_init 740250
logint 754902
gcmpgs 761925
row 764011
rnf_get_nf 786030
ellff_get_a4a6 800039
zero_F2m_copy 845097
FpXX_renormalize 849896
zeropadic 855726
gmin_shallow 878341
affgr 898866
ZXQ_sqr 961102
cgetc 975461
Flx_lead 980761
polx_F2x 1078425
pr_norm 1088466
sstoQ 1097215
Fp_invsafe 1100556
Flx_mulu 1105471
vecsmall_max 1164711
mkfracss 1209563
RgV_isscalar 1210306
gen_I 1269867
RgX_is_monomial 1331801
mkoo 1332002
bnf_get_sunits 1367779
bnr_get_nf 1368109
rnf_get_absdegree 1392746
zero_Flx 1426914
constant_coeff 1441429
guncloneNULL_deep 1444622
Rg_col_ei 1451341
inf_get_sign 1453106
vecsmall_concat 1464446
nf_get_varn 1503725
bid_get_mod 1521921
F2m_flip 1554224
F2v_flip 1554224
F2x_flip 1554224
F2x_div 1570006
uutoQ 1600198
nf_get_roots 1627812
bnf_get_gen 1680319
vec_ei 1714652
gsubgs 1724809
ulogint 1730966
mkvecsmall5 1731079
nf_get_roundG 1746570
abgrp_get_gen 1765031
ellinf 1869834
modpr_get_p 1888432
get_F2x_degree 1929017
killblock 1929955
Flx_div 1999053
ellnf_get_nf 2027629
ellff_get_field 2036870
bnr_get_bid 2045866
ell_get_j 2126227
bid_get_MOD 2157252
bid_get_sprk 2157981
ZXQ_mul 2162091
zv_copy 2184020
bid_get_fact2 2201574
gc_slice 2205021
pol_xn 2249949
pari_realloc_ip 2268027
bid_get_archp 2397112
bid_get_fact 2498937
get_F2x_mod 2499118
rnf_get_degree 2506307
bnr_get_cyc 2522348
get_F2x_var 2534146
ell_get_b4 2550216
Flv_copy 2555280
mul_content 2654212
RgX_coeff 2669861
vecslicepermute 2689498
hash_str 2756815
cyc_get_expo 2757782
perm_inv 2782846
sqrtnr 2808533
bnr_get_clgp 2830026
zero_Flm 2830062
rnf_get_pol 2845164
znstar_get_pe 2868790
F2x_equal1 2873869
bnf_get_logfu 2874742
gisdouble 2986653
mkpolmod 3105122
Fq_red 3106453
bit_accuracy_mul 3175472
ZV_to_zv 3211412
identity_perm 3242440
F3m_coeff 3256661
identity_zv 3266790
znstar_get_conreygen 3289889
ell_get_b8 3297414
get_FpX_mod 3394550
vec_append 3465609
zero_F2v 3648054
bid_get_U 3680233
bnf_get_cyc 3686073
nf_get_index 3711359
bnr_get_bnf 3750918
pol_1 3756430
pol_x 3858324
ell_get_b6 3863115
mulsubii 3881927
pol1_F2x 3957544
vec_to_vecsmall 4036839
vecsmall_append 4111394
sqrfrac 4148146
vecsmall_copy 4404135
mkcol2s 4416244
F2x_equal 4655362
FpXQX_renormalize 4693692
mkmat 4750888
qfb_disc3 4990597
mkfraccopy 4999323
is_rational_t 5035223
bnf_get_clgp 5374936
nf_get_zkprimpart 5416577
nf_get_zkden 5462393
FpX_div 5581253
checkell_i 5593363
pari_stack_delete 5618189
isintm1 5711315
bid_get_cyc 5739582
bid_get_grp 5804437
col_ei 5925918
pari_stack_init 6084458
get_FpX_degree 6424782
Flm_copy 6433722
sqrti 6665942
get_FpX_var 6957874
RgX_div 7000740
vecsmall_lexcmp 7043241
ell_get_a2 7106183
ZM_lll 7112128
RgX_gtofp 7148074
znstar_get_faN 7330731
ell_get_b2 7371040
ZX_is_monic 7376017
zc_to_ZC 7823506
vecsmall_to_col 7837688
znstar_get_conreycyc 7978902
F2m_coeff 8039200
Q_abs 8064122
mkintmod 8092699
ZV_ZV_mod 8131361
RgM_gtofp 8251936
Flx_equal1 8331020
gc_INT_affii 8487136
ell_get_a4 8536724
Flm_row 8742496
ell_get_a3 8814061
ell_get_a1 8997093
cxtofp 9084962
veclast 9372670
ismpzero 9583521
is_intreal_t 9583627
const_col 9729841
RgM_dimensions 9742112
nf_get_invzk 9766002
bnf_get_nf 9863717
mkvec4 10106235
ser_isexactzero 10120284
ell_get_a6 10370962
mkcol 10641061
ZC_hnfrem 10690950
mul_denom 10710221
ell_get_c4 11018217
Fp_addmul 11411221
pr_get_gen 12062786
vectrunc_init 12065085
abgrp_get_cyc 12230266
F2x_clear 12355469
F2v_clear 12355471
ell_get_type 12499482
nbits2nlong 12678082
pol0_F2x 13239903
ell_get_c6 13474626
gmax_shallow 13510220
modpr_get_T 13867711
closure_get_frame 14169809
zeromatcopy 14239539
rowpermute 14709185
Fp_div 15035088
Fp_divu 15129580
mkvec5 15185248
pr_get_e 15952885
vectrunc_append 16160538
ell_get_disc 16815142
matslice 16816895
pr_is_inert 16910055
normalize_frac 17205265
isint1 17586773
mkvecsmall4 17831319
Fp_center_i 18061893
cxcompotor 18221626
qfb_disc 18514491
const_vecsmall 19707291
vecpermute 20530158
nf_get_M 21171950
Flx_div_pre 21706992
RgM_shallowcopy 22170589
Fp_double 22396239
RgX_is_ZX 22422491
gmulgs 22439053
nf_get_r1 22892497
ZV_isscalar 23098187
Fp_inv 23440038
get_Flx_mod 25603798
pr_get_f 26041396
RgX_equal_var 26883185
shallowcopy 27640655
mkqfb 27919305
zerovec 28455670
modpr_get_pr 31238376
Fp_neg 31480054
hash_str_len 31550077
RgV_is_ZV 32166728
submulii 32847732
mkmat2 33657970
RgC_gtofp 34008898
const_vec 34481392
zero_zv 36735764
polx_Flx 37833196
lincombii 38186703
znstar_get_N 38653757
mkfrac 41637083
zeropol 42358690
powii 43178373
is_vec_t 43928060
closure_is_variadic 44820644
absfrac 46643819
guncloneNULL 48227393
pr_get_tau 48871504
mkmat22 50276736
ell_is_inf 52471633
QV_isscalar 54402207
pol1_Flx 55081359
zero_Flv 59494683
addmuliu_inplace 59739686
submuliu_inplace 60227008
F2x_copy 60379196
gtodouble 60801876
is_real_t 62063862
qfb_is_qfi 62940640
Fp_sqr 64810554
Fp_mulu 67797970
get_Flx_var 68397259
mkvec 71142063
nf_get_degree 71351540
Fp_center 77250695
vecsmallpermute 78731305
rowslice 79333326
sqrtr 80363331
perm_mul 80926993
Fp_red 82082519
get_Flx_degree 82269659
pol_0 83002124
gtos 85854589
is_noncalc_t 85864081
cxnorm 90945003
mkcomplex 91636526
pr_get_p 91708689
dbllog2r 92831827
nf_get_pol 98059425
F2v_set 101404172
vecsmalltrunc_append 101507311
cgiv 102119679
RgX_copy 103409292
pol0_Flx 103519460
prec2nbits 103955153
mkvecsmall3 104047720
vecsmall_prefixcmp 108088071
gc_all 110005974
F2x_renormalize 115197363
mkvec3 117737502
zerocol 122281048
gaddgs 123248636
both_odd 124032127
F2x_set 124741532
nchar2nlong 127404910
mkvecsmall 131689417
equalim1 139505746
bit_prec 142662232
FpX_renormalize 144583567
ZX_renormalize 155016712
mkcol2 156861296
nbrows 157469272
leading_coeff 170558751
Flx_copy 173835896
Fp_add 181710160
mkvec2 185171557
nbits2prec 186128328
vecsmalltrunc_init 190482641
Fp_mul 201143667
Fp_sub 203638950
mkvecsmall2 233634169
gtofp 254236769
gc_GEN 256193276
gmulgu 282059385
lg_increase 316903599
closure_get_data 321310124
closure_get_oper 321340247
closure_codestr 321369412
is_universal_constant 325778263
lgcols 350244154
closure_arity 371218130
is_scalar_t 375670402
bin_copy 497334838
pari_free 510746576
is_bigint 562577740
leafcopy_avma 576801279
vecslice 655927863
is_matvec_t 659314591
F2v_coeff 661328905
F2x_coeff 667899379
pari_malloc 746644354
pari_stack_new 924952014
GENbinbase 964359851
pari_stack_alloc 1019623679
pari_stack_base 1025196565
gc_leaf 1132478209
equali1 1175168451
nbits2extraprec 1456284497
gc_upto 1949169021
odd 2085576110
is_pm1 2202481914
lgpol 2684481589
isintzero 2837316602
bit_accuracy 3162665630
gc_INT 4103959388
prec2lg 4466075349
is_const_t 4888111652
degpol 5503447202
remsBIL 8005286760
icopy_avma 8035860726
divsBIL 8096333839
isonstack 8255117177
is_recursive_t 9238256443

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