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 30572-91e0396466) Lines: 1420 1532 92.7 %
Date: 2025-12-12 09:22:23 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 22084
gtomp 22428
FqXQ_mul 22766
RgM_fpnorml2 22795
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 27881
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 33539
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 37876
FqX_div 38567
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 58575
RgX_fpnorml2 61627
err_get_num 62523
bid_get_gen 64274
nf_get_ramified_primes 64855
RgX_is_rational 68323
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 74585
bnr_get_mod 77147
gal_get_group 80399
mkcol3 88314
gtou 98322
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108865
zeromat 109204
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114621
Q_abs_shallow 120240
mkmatcopy 122265
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138712
zeroser 138908
RgV_is_QV 140786
FqX_factor 141079
get_FpXQX_mod 146583
FlxqX_div_pre 165411
znstar_get_U 176107
rowslicepermute 185042
vecsmall_prepend 186998
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200555
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220441
mkcol6 232589
ellR_get_prec 232750
zero_Flm_copy 235942
gchar_get_nf 243946
Fp_halve 247348
affc_fixlg 249617
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277505
gchar_get_zm 281911
bnf_get_tuN 283003
bnf_get_fu_nocheck 289086
bnf_get_tuU 303574
nf_get_G 304280
vec_prepend 313996
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 334023
cxtoreal 337203
upr_norm 346135
RgX_renormalize 349807
abgrp_get_no 355204
ZM_hnfrem 363889
FqX_mul 367829
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384927
RgX_is_QX 400148
perm_conj 418299
FqX_Fq_mul 427289
FqX_extgcd 445095
Z_issquare 458926
nf_get_disc 463985
precdbl 475521
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
zv_to_ZV 503066
vecsmall_to_vec 511865
nf_get_sign 519567
mkvec3s 524441
gdivsg 531589
addmuliu 535800
FqX_Fp_mul 572213
prec2nbits_mul 581167
vecsmall_ei 584722
ZM_ZV_mod 596640
RgC_fpnorml2 622149
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698439
coltrunc_init 740250
logint 754920
gcmpgs 761926
row 764015
rnf_get_nf 786030
ellff_get_a4a6 800030
zero_F2m_copy 845240
FpXX_renormalize 849896
zeropadic 855721
gmin_shallow 878329
affgr 898866
ZXQ_sqr 961148
cgetc 975456
Flx_lead 980165
polx_F2x 1078595
pr_norm 1090312
sstoQ 1097215
Fp_invsafe 1100568
Flx_mulu 1105485
vecsmall_max 1164760
mkfracss 1209563
RgV_isscalar 1210305
gen_I 1269849
RgX_is_monomial 1331780
mkoo 1332043
bnf_get_sunits 1367842
bnr_get_nf 1368187
rnf_get_absdegree 1392746
zero_Flx 1426847
constant_coeff 1441424
guncloneNULL_deep 1442926
Rg_col_ei 1451713
inf_get_sign 1453169
vecsmall_concat 1464409
nf_get_varn 1503788
bid_get_mod 1521921
F2m_flip 1554077
F2v_flip 1554077
F2x_flip 1554077
F2x_div 1570494
uutoQ 1600198
nf_get_roots 1628608
bnf_get_gen 1680406
vec_ei 1714762
ulogint 1724663
gsubgs 1724798
mkvecsmall5 1731084
nf_get_roundG 1747608
abgrp_get_gen 1765114
ellinf 1869579
modpr_get_p 1888614
get_F2x_degree 1929016
killblock 1930620
Flx_div 1999181
ellnf_get_nf 2027645
ellff_get_field 2036863
bnr_get_bid 2046150
ell_get_j 2126227
bid_get_MOD 2157287
bid_get_sprk 2158014
ZXQ_mul 2162184
zv_copy 2183943
bid_get_fact2 2201605
gc_slice 2204933
pol_xn 2249968
pari_realloc_ip 2269499
bid_get_archp 2397115
bid_get_fact 2498961
get_F2x_mod 2499168
rnf_get_degree 2506307
bnr_get_cyc 2522604
get_F2x_var 2534167
ell_get_b4 2550216
Flv_copy 2555204
mul_content 2655042
RgX_coeff 2669861
vecslicepermute 2691598
hash_str 2756815
cyc_get_expo 2757835
perm_inv 2782986
sqrtnr 2809784
bnr_get_clgp 2830293
zero_Flm 2830462
rnf_get_pol 2845164
znstar_get_pe 2869063
F2x_equal1 2873974
bnf_get_logfu 2874814
gisdouble 2993475
mkpolmod 3105223
Fq_red 3106422
bit_accuracy_mul 3175472
ZV_to_zv 3211422
identity_perm 3242872
F3m_coeff 3256666
identity_zv 3267222
znstar_get_conreygen 3290176
ell_get_b8 3297414
get_FpX_mod 3394581
vec_append 3465731
zero_F2v 3648453
bid_get_U 3680264
bnf_get_cyc 3686689
nf_get_index 3712381
bnr_get_bnf 3751392
pol_1 3756647
pol_x 3858339
ell_get_b6 3863115
mulsubii 3881914
pol1_F2x 3957690
vec_to_vecsmall 4036844
vecsmall_append 4111368
sqrfrac 4148131
vecsmall_copy 4404936
mkcol2s 4416244
F2x_equal 4658610
FpXQX_renormalize 4693305
mkmat 4751381
qfb_disc3 4995333
mkfraccopy 4999471
is_rational_t 5035703
bnf_get_clgp 5375642
nf_get_zkprimpart 5418428
nf_get_zkden 5464192
FpX_div 5583072
checkell_i 5593304
pari_stack_delete 5632291
isintm1 5711233
bid_get_cyc 5739812
bid_get_grp 5804664
col_ei 5927053
pari_stack_init 6087105
get_FpX_degree 6424719
Flm_copy 6435440
sqrti 6666977
get_FpX_var 6958107
RgX_div 7000740
vecsmall_lexcmp 7043259
ell_get_a2 7106184
ZM_lll 7117911
RgX_gtofp 7147920
znstar_get_faN 7331711
ell_get_b2 7371030
ZX_is_monic 7376178
zc_to_ZC 7824686
vecsmall_to_col 7838868
znstar_get_conreycyc 7979693
F2m_coeff 8039227
Q_abs 8064354
mkintmod 8092661
ZV_ZV_mod 8131550
RgM_gtofp 8259732
Flx_equal1 8331113
gc_INT_affii 8500403
ell_get_a4 8536725
Flm_row 8742401
ell_get_a3 8814052
ell_get_a1 8997084
cxtofp 9085393
veclast 9372752
ismpzero 9586593
is_intreal_t 9586699
const_col 9730278
RgM_dimensions 9742633
nf_get_invzk 9769479
bnf_get_nf 9865073
mkvec4 10107042
ser_isexactzero 10120284
ell_get_a6 10370963
mkcol 10641612
ZC_hnfrem 10696687
mul_denom 10713248
ell_get_c4 11017848
Fp_addmul 11376335
vectrunc_init 12065558
pr_get_gen 12069846
abgrp_get_cyc 12231347
F2x_clear 12357100
F2v_clear 12357123
ell_get_type 12499254
nbits2nlong 12678429
pol0_F2x 13244393
ell_get_c6 13474250
gmax_shallow 13510228
modpr_get_T 13867985
closure_get_frame 14173944
zeromatcopy 14251868
rowpermute 14711189
Fp_div 15035053
Fp_divu 15129510
mkvec5 15187136
pr_get_e 16105727
vectrunc_append 16160237
ell_get_disc 16814989
matslice 16823905
pr_is_inert 17150101
normalize_frac 17206409
isint1 17587202
mkvecsmall4 17829065
Fp_center_i 18056465
cxcompotor 18222427
qfb_disc 18514439
const_vecsmall 19712011
vecpermute 20546578
nf_get_M 21308368
Flx_div_pre 21713297
RgM_shallowcopy 22179706
Fp_double 22307302
RgX_is_ZX 22426112
gmulgs 22607745
nf_get_r1 23028957
ZV_isscalar 23235782
Fp_inv 23444583
get_Flx_mod 25610336
pr_get_f 26350720
RgX_equal_var 26883211
shallowcopy 27643169
mkqfb 27928748
zerovec 28455776
modpr_get_pr 31238952
Fp_neg 31481232
hash_str_len 31551629
RgV_is_ZV 32167330
submulii 32848628
mkmat2 33663933
RgC_gtofp 34043147
const_vec 34489900
zero_zv 36746501
polx_Flx 37836141
lincombii 38215137
znstar_get_N 38655073
mkfrac 41644695
zeropol 42358727
powii 43178964
is_vec_t 43961399
closure_is_variadic 44827323
absfrac 46644760
guncloneNULL 48229376
pr_get_tau 49578012
mkmat22 50285995
ell_is_inf 52449012
QV_isscalar 54418449
pol1_Flx 55093526
zero_Flv 59571733
addmuliu_inplace 59710046
submuliu_inplace 60205427
F2x_copy 60430956
gtodouble 60798447
is_real_t 62063900
qfb_is_qfi 62944127
Fp_sqr 64531129
Fp_mulu 67533487
get_Flx_var 68416873
mkvec 71165081
nf_get_degree 71371446
Fp_center 77236298
vecsmallpermute 78739358
rowslice 79357015
sqrtr 80382242
perm_mul 80934883
Fp_red 82089494
get_Flx_degree 82198454
pol_0 83002369
gtos 85854574
is_noncalc_t 85878398
cxnorm 91219246
mkcomplex 91635320
pr_get_p 92491933
dbllog2r 92833266
nf_get_pol 98085589
F2v_set 101405317
vecsmalltrunc_append 101541560
cgiv 102282851
RgX_copy 103409211
pol0_Flx 103521924
prec2nbits 103969643
mkvecsmall3 104043104
vecsmall_prefixcmp 108088071
gc_all 110028421
F2x_renormalize 115171757
mkvec3 117485263
zerocol 122361714
gaddgs 123248639
both_odd 123922655
F2x_set 124727925
nchar2nlong 127439661
mkvecsmall 131698461
equalim1 139505901
bit_prec 142846934
FpX_renormalize 144587046
ZX_renormalize 155032631
mkcol2 156900410
nbrows 157539312
leading_coeff 170557200
Flx_copy 173818736
Fp_add 181522112
mkvec2 185848557
nbits2prec 186161701
vecsmalltrunc_init 191778143
Fp_mul 201072407
Fp_sub 203524991
mkvecsmall2 233669977
gtofp 254399021
gc_GEN 256244074
gmulgu 282059385
closure_get_data 321372703
closure_get_oper 321394490
closure_codestr 321412846
lg_increase 321533773
is_universal_constant 325810848
lgcols 350855505
closure_arity 371293441
is_scalar_t 375678449
bin_copy 497445158
pari_free 510857770
is_bigint 562997259
leafcopy_avma 577372140
vecslice 656343485
is_matvec_t 659362392
F2v_coeff 661333310
F2x_coeff 667909113
pari_malloc 746746589
pari_stack_new 924854702
GENbinbase 964574755
pari_stack_alloc 1019551072
pari_stack_base 1025167098
gc_leaf 1132303553
equali1 1175737917
nbits2extraprec 1457135355
gc_upto 1951274979
odd 2084993045
is_pm1 2203417948
lgpol 2681176953
isintzero 2843233333
bit_accuracy 3163646180
gc_INT 4110559697
prec2lg 4468584035
is_const_t 4894543691
degpol 5499156697
remsBIL 8007036733
icopy_avma 8042676426
divsBIL 8096996458
isonstack 8264602083
is_recursive_t 9240375648

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