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 30480-572da319a6) Lines: 1422 1532 92.8 %
Date: 2025-08-27 09:24:05 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 540
RgC_gtomp 574
rnf_get_varn 574
gchar_get_r2 623
gchar_set_HUUi 623
gchar_set_nalg 623
gchar_set_nfree 623
gchar_set_ntors 623
bnf_get_reg 648
pari_err_DIM 718
perm_sqr 728
Rg_to_Fq 756
F2m_set 798
gchar_set_m0 950
row_i 987
RgM_minor 1036
quad_disc 1085
ellQp_get_p 1134
gchar_copy_precs 1202
gchar_set_prec 1202
rnf_get_invzk 1225
rnf_get_k 1225
locs_get_Lgenfil 1260
locs_get_famod 1260
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 1573
gchar_set_cyc 1573
gchar_get_sfu 1748
gchar_set_evalprec 1785
mkintmodu 1813
gchar_get_nm 1841
pari_realloc 1890
RgXQX_div 1904
mkpadic 2009
gchar_get_nalg 2042
gchar_set_nf 2077
gchar_set_u0 2093
vecsmall_min 2324
vecreverse_inplace 2570
pari_err_DOMAIN 2841
rnf_get_ramified_primes 2849
gchar_set_nfprec 2950
vecsmall_reverse 3052
vecsmall_to_vec_inplace 3304
gchar_get_m0 3321
pari_err_TYPE2 3493
get_FpXQX_degree 3589
matpascal 3885
gchar_get_evalprec 4011
gchar_get_modP 4095
FqX_normalize 4123
nf_get_r2 4140
gchar_get_u0 4267
nf_get_zk 4382
nf_get_diff 4438
F2v_copy 4487
FpXQX_div 4526
rnf_get_zk 4830
rnf_get_nfvarn 4886
idealchineseinit 5427
gval 5824
pari_stack_pushp 5851
gal_get_p 6020
FqX_get_red 6090
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 8358
prec2ndec 9778
cgetalloc 10166
gchar_get_Ui 10969
vec_shorten 11549
vectrunc_append_batch 12306
ZX_equal1 12711
R_abs_shallow 13097
gchar_get_nfprec 13419
closure_get_dbg 13621
zx_renormalize 14049
pari_err_TYPE 15398
gal_get_gen 15449
znstar_get_gen 16150
gchar_get_cyc 16168
mkmat3 17001
zeropadic_shallow 17024
gchar_get_r1 17416
Fp_muls 17780
gchar_get_prec 18732
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 22781
ZV_dvd 23485
gal_get_mod 23772
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25852
nfV_to_scalar_or_alg 26292
gal_get_den 27874
gal_get_invvdm 27881
absfrac_shallow 28237
zerovec_block 28947
gequalgs 29176
gener_Fq_local 29932
gchar_get_basis 32639
gal_get_roots 32753
ndec2prec 33160
F2xqX_div 33173
mkcolcopy 33500
Qtoss 35322
gal_get_pol 36337
gchar_get_S 36865
gchar_get_ns 36865
closure_get_text 37051
gchar_get_nc 37131
FqX_rem 37743
F2v_to_F2x 37912
FqX_div 38548
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41430
znstar_get_Ui 46788
pari_calloc 47650
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50347
get_FpXQX_var 51630
locs_get_cyc 51955
div_content 58476
RgX_fpnorml2 61606
err_get_num 62529
bid_get_gen 64274
nf_get_ramified_primes 64813
RgX_is_rational 68306
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 74577
bnr_get_mod 77119
gal_get_group 80393
mkcol3 88314
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
gtou 104259
mkmoo 108831
zeromat 109122
RgV_isin 110130
RgV_isin_i 110130
mkvec2copy 114562
Q_abs_shallow 120242
mkmatcopy 122248
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138515
zeroser 138824
RgV_is_QV 140756
FqX_factor 141051
get_FpXQX_mod 146583
FlxqX_div_pre 165417
znstar_get_U 176107
rowslicepermute 184682
vecsmall_prepend 186991
gchar_get_DLdata 188468
locs_get_Lsprk 191695
F2m_copy 200506
get_F2xqX_degree 200851
gchar_get_bnf 203105
rowcopy 204988
locs_get_m_infty 207235
mkmat22s 207578
mkvec2s 220412
mkcol6 232589
ellR_get_prec 232750
zero_Flm_copy 235901
gchar_get_nf 241501
Fp_halve 247348
affc_fixlg 249594
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277497
gchar_get_zm 279434
bnf_get_tuN 282994
bnf_get_fu_nocheck 289074
bnf_get_tuU 303564
nf_get_G 303594
vec_prepend 313988
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 330252
cxtoreal 337179
upr_norm 343930
RgX_renormalize 349807
abgrp_get_no 355173
ZM_hnfrem 363830
FqX_mul 367816
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384892
RgX_is_QX 400117
perm_conj 418299
FqX_Fq_mul 427303
FqX_extgcd 445051
Z_issquare 458921
nf_get_disc 463824
precdbl 475483
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
zv_to_ZV 502996
vecsmall_to_vec 511571
nf_get_sign 517290
mkvec3s 524441
gdivsg 529207
addmuliu 541128
FqX_Fp_mul 572114
prec2nbits_mul 581136
vecsmall_ei 584689
ZM_ZV_mod 596582
RgC_fpnorml2 622073
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698152
coltrunc_init 740250
logint 752806
gcmpgs 761920
row 764002
rnf_get_nf 786030
ellff_get_a4a6 800028
zero_F2m_copy 845126
FpXX_renormalize 849896
zeropadic 855582
gmin_shallow 876326
affgr 898719
ZXQ_sqr 961079
cgetc 973496
Flx_lead 979458
polx_F2x 1079285
pr_norm 1088547
sstoQ 1097215
Fp_invsafe 1100359
Flx_mulu 1105201
vecsmall_max 1164656
RgV_isscalar 1208180
mkfracss 1209563
gen_I 1269700
RgX_is_monomial 1331214
mkoo 1331957
bnf_get_sunits 1365642
bnr_get_nf 1368114
guncloneNULL_deep 1385310
rnf_get_absdegree 1392746
zero_Flx 1426877
constant_coeff 1441506
Rg_col_ei 1451256
inf_get_sign 1453046
vecsmall_concat 1464426
nf_get_varn 1503567
bid_get_mod 1521922
F2m_flip 1554381
F2v_flip 1554381
F2x_flip 1554381
F2x_div 1571975
uutoQ 1600142
nf_get_roots 1625518
bnf_get_gen 1678190
ulogint 1713007
vec_ei 1714573
gsubgs 1727466
mkvecsmall5 1730629
nf_get_roundG 1744512
abgrp_get_gen 1762896
ellinf 1868505
modpr_get_p 1888432
killblock 1900974
get_F2x_degree 1929102
Flx_div 1999015
ellnf_get_nf 2027613
ellff_get_field 2036869
bnr_get_bid 2045870
ell_get_j 2126227
bid_get_MOD 2157268
bid_get_sprk 2158001
ZXQ_mul 2162067
pari_realloc_ip 2179888
zv_copy 2184195
bid_get_fact2 2201589
gc_slice 2204876
pol_xn 2249925
bid_get_archp 2397144
bid_get_fact 2498952
get_F2x_mod 2499153
rnf_get_degree 2506307
bnr_get_cyc 2522345
get_F2x_var 2534202
ell_get_b4 2549033
Flv_copy 2555455
mul_content 2652032
RgX_coeff 2669140
vecslicepermute 2689159
hash_str 2753015
cyc_get_expo 2755558
perm_inv 2782845
sqrtnr 2807108
bnr_get_clgp 2830021
zero_Flm 2830059
rnf_get_pol 2845157
znstar_get_pe 2868790
bnf_get_logfu 2872612
F2x_equal1 2873905
gisdouble 2987336
mkpolmod 3105014
Fq_red 3106484
bit_accuracy_mul 3175421
ZV_to_zv 3206095
identity_perm 3242395
F3m_coeff 3256661
identity_zv 3266745
znstar_get_conreygen 3289889
ell_get_b8 3297414
get_FpX_mod 3394347
vec_append 3461156
zero_F2v 3648138
bid_get_U 3680248
bnf_get_cyc 3681736
nf_get_index 3709014
bnr_get_bnf 3750910
pol_1 3756349
pol_x 3856809
ell_get_b6 3861932
mulsubii 3881991
pol1_F2x 3958136
vec_to_vecsmall 4031495
vecsmall_append 4111378
sqrfrac 4148033
vecsmall_copy 4404280
mkcol2s 4416244
F2x_equal 4664243
FpXQX_renormalize 4693720
mkmat 4748682
qfb_disc3 4988667
mkfraccopy 4999636
is_rational_t 5035095
bnf_get_clgp 5368447
pari_stack_delete 5392909
nf_get_zkprimpart 5414095
nf_get_zkden 5459970
FpX_div 5578781
checkell_i 5593249
isintm1 5704031
bid_get_cyc 5739608
bid_get_grp 5804461
pari_stack_init 5834281
col_ei 5923674
get_FpX_degree 6424580
Flm_copy 6431496
sqrti 6663491
get_FpX_var 6957954
RgX_div 7000740
vecsmall_lexcmp 7043259
ell_get_a2 7105474
ZM_lll 7110100
RgX_gtofp 7147382
znstar_get_faN 7330731
ell_get_b2 7369841
ZX_is_monic 7375993
zc_to_ZC 7819004
vecsmall_to_col 7833184
znstar_get_conreycyc 7978902
F2m_coeff 8039585
Q_abs 8062663
mkintmod 8092488
ZV_ZV_mod 8129079
RgM_gtofp 8251920
Flx_equal1 8327196
gc_INT_affii 8485238
ell_get_a4 8536015
Flm_row 8742456
ell_get_a3 8813336
ell_get_a1 8996368
cxtofp 9078475
veclast 9372650
ismpzero 9575219
is_intreal_t 9575327
const_col 9729732
RgM_dimensions 9741992
nf_get_invzk 9761105
bnf_get_nf 9852796
ser_isexactzero 10079479
mkvec4 10105787
ell_get_a6 10370253
mkcol 10635382
ZC_hnfrem 10682276
mul_denom 10707796
ell_get_c4 10728567
Fp_addmul 11356078
pr_get_gen 12055254
vectrunc_init 12066361
abgrp_get_cyc 12225946
F2x_clear 12356046
F2v_clear 12356055
ell_get_type 12499144
nbits2nlong 12650303
ell_get_c6 12891931
pol0_F2x 13248736
gmax_shallow 13510219
modpr_get_T 13865335
closure_get_frame 14145014
zeromatcopy 14239623
rowpermute 14704748
Fp_div 15035233
Fp_divu 15135044
mkvec5 15182596
pr_get_e 15948337
vectrunc_append 16162466
ell_get_disc 16525447
matslice 16817147
pr_is_inert 16905905
normalize_frac 17205171
isint1 17571640
mkvecsmall4 17834921
Fp_center_i 18055473
cxcompotor 18208581
qfb_disc 18514523
const_vecsmall 19660909
vecpermute 20517903
nf_get_M 21161944
Flx_div_pre 21703713
RgM_shallowcopy 22161556
Fp_double 22188952
RgX_is_ZX 22417544
gmulgs 22443079
nf_get_r1 22884505
ZV_isscalar 23092473
Fp_inv 23399353
get_Flx_mod 25601796
pr_get_f 26036093
RgX_equal_var 26880631
shallowcopy 27635182
mkqfb 28079496
zerovec 28455245
Fp_neg 30884647
modpr_get_pr 31231262
hash_str_len 31539802
RgV_is_ZV 32159676
submulii 32847018
mkmat2 33649216
RgC_gtofp 34008221
const_vec 34466020
zero_zv 36731463
polx_Flx 37826601
lincombii 38193351
znstar_get_N 38653757
closure_is_variadic 40152599
mkfrac 41622265
zeropol 42358572
powii 43176648
is_vec_t 43960549
absfrac 46628012
guncloneNULL 48153024
pr_get_tau 48861140
mkmat22 50267664
ell_is_inf 52473142
QV_isscalar 54380234
pol1_Flx 55060050
zero_Flv 59491550
addmuliu_inplace 59760451
submuliu_inplace 60246882
F2x_copy 60452999
gtodouble 60766816
is_real_t 62657876
qfb_is_qfi 62947726
Fp_sqr 64554549
Fp_mulu 65283847
get_Flx_var 68361181
mkvec 71147395
nf_get_degree 71322095
Fp_center 77214252
vecsmallpermute 78733232
rowslice 79345504
sqrtr 80275970
perm_mul 80928844
get_Flx_degree 81302972
Fp_red 82080401
pol_0 82998101
gtos 85833168
is_noncalc_t 85858998
cxnorm 90892735
mkcomplex 91624506
pr_get_p 91688973
dbllog2r 93991031
nf_get_pol 98019527
F2v_set 101404831
vecsmalltrunc_append 101538539
cgiv 102099036
RgX_copy 103402317
pol0_Flx 103513682
mkvecsmall3 104070885
prec2nbits 105656013
vecsmall_prefixcmp 108088071
gc_all 109981997
mkvec3 114948201
F2x_renormalize 115213745
zerocol 122267278
gaddgs 123247471
both_odd 123938302
F2x_set 124758643
nchar2nlong 127372802
mkvecsmall 131678911
equalim1 139504174
bit_prec 142990751
FpX_renormalize 144576574
ZX_renormalize 155020430
mkcol2 156863524
nbrows 157435791
leading_coeff 170556106
Flx_copy 173790105
Fp_add 181545027
mkvec2 184458690
nbits2prec 187583364
vecsmalltrunc_init 189054916
Fp_mul 201048743
Fp_sub 203447586
mkvecsmall2 233669632
gtofp 254204451
gc_GEN 256114417
gmulgu 282058132
lg_increase 315103845
closure_get_data 321694231
closure_get_oper 321720190
closure_codestr 321753048
is_universal_constant 325954203
lgcols 350174597
closure_arity 371578091
is_scalar_t 375639656
bin_copy 497207422
pari_free 510525429
is_bigint 562515223
leafcopy_avma 577215357
vecslice 656274261
is_matvec_t 660180822
F2v_coeff 661331842
F2x_coeff 667944715
pari_malloc 746462873
pari_stack_new 925023937
GENbinbase 964118433
pari_stack_alloc 1019636138
pari_stack_base 1025000107
gc_leaf 1128726059
equali1 1175053100
nbits2extraprec 1498246930
gc_upto 1949431596
odd 2084590600
is_pm1 2200327744
lgpol 2675931047
isintzero 2837912462
bit_accuracy 3163620603
gc_INT 4103149249
prec2lg 4510104121
is_const_t 4890183783
degpol 5488211246
icopy_avma 8034591331
remsBIL 8081298448
divsBIL 8171572305
isonstack 8251121386
is_recursive_t 9245173486

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