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 30288-703288f808) Lines: 1420 1532 92.7 %
Date: 2025-05-19 09:23:07 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
vecsmall_lengthen 526
pari_err_IMPL 539
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 641
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_alpha 1204
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
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
rnf_get_ramified_primes 2625
pari_err_DOMAIN 2771
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
identity_ZV 4333
nf_get_zk 4382
nf_get_diff 4438
F2v_copy 4487
FpXQX_div 4526
rnf_get_zk 4606
rnf_get_nfvarn 4886
idealchineseinit 5427
gval 5824
pari_stack_pushp 5851
gal_get_p 6020
FqX_get_red 6090
rnf_get_nfzk 6573
FqXn_expint 6590
gal_get_orders 6678
is_extscalar_t 6876
pari_err_SQRTN 7084
FqXn_inv 7126
FqX_roots 7273
submuliu 7728
bnr_get_gen 7847
get_FlxqX_mod 8033
gchar_get_mod 8225
locs_get_mod 8225
FqX_gcd 8246
ndec2nbits 8270
bnf_get_no 8358
prec2ndec 9778
vectrunc_append_batch 9821
cgetalloc 10166
gchar_get_Ui 10969
vec_shorten 11550
ZX_equal1 12549
R_abs_shallow 13083
gchar_get_nfprec 13419
closure_get_dbg 13523
zx_renormalize 14049
gener_Fq_local 14595
pari_err_TYPE 15384
gal_get_gen 15449
znstar_get_gen 16150
gchar_get_cyc 16168
mkmat3 17001
zeropadic_shallow 17023
gchar_get_r1 17416
Fp_muls 17780
gchar_get_prec 18732
vec_lengthen 18941
FqX_halve 19411
Qtoss 19936
pari_err_INV 20018
FpXY_Fq_evaly 20587
rnf_get_nfdegree 21231
FqX_mulu 21942
nf_get_Tr 22083
RgM_fpnorml2 22424
gtomp 22428
FqXQ_mul 22766
ZV_dvd 23485
gal_get_mod 23772
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25852
nfV_to_scalar_or_alg 26293
absfrac_shallow 27397
gal_get_den 27650
gal_get_invvdm 27657
zerovec_block 28009
gequalgs 29176
bid_get_arch 31626
gal_get_roots 32529
gchar_get_basis 32639
F2xqX_div 33173
ndec2prec 33209
mkcolcopy 33499
gal_get_pol 36113
closure_get_text 36855
gchar_get_S 36865
gchar_get_ns 36865
gchar_get_nc 37131
F2v_to_F2x 37557
FqX_rem 37743
FqX_div 38545
FqX_deriv 40061
mkcols 40411
ndec2nlong 41479
znstar_get_Ui 46788
pari_calloc 47545
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50347
get_FpXQX_var 51630
bid_get_gen 51933
locs_get_cyc 51955
div_content 57980
nf_get_ramified_primes 59395
RgX_fpnorml2 60569
bnr_get_mod 61579
err_get_num 62331
RgX_is_rational 67725
FqX_sub 68607
mkquad 69118
FqX_div_by_X_x 69629
quadnorm 69881
FqX_sqr 71855
vecsmall_shorten 72685
bid_get_ideal 72821
Fq_to_FpXQ 73792
gal_get_group 80170
mkcol3 88314
cyclic_perm 99911
gtou 102529
mkcol4 103467
zv_to_zx 104146
mkmoo 105913
zeromat 109113
RgV_isin 110130
RgV_isin_i 110130
mkvec2copy 114494
Q_abs_shallow 118651
mkmatcopy 121030
mkveccopy 122507
RgXQX_rem 126529
FqX_add 127694
rnf_get_map 135211
idealred 138461
zeroser 138810
RgV_is_QV 140074
FqX_factor 140925
get_FpXQX_mod 146583
FlxqX_div_pre 165403
znstar_get_U 176051
rowslicepermute 182454
vecsmall_prepend 186767
gchar_get_DLdata 188468
locs_get_Lsprk 191695
F2m_copy 198003
get_F2xqX_degree 200851
gchar_get_bnf 203105
rowcopy 204988
locs_get_m_infty 207235
mkmat22s 207501
mkvec2s 219984
zero_Flm_copy 232079
mkcol6 232344
ellR_get_prec 232582
gchar_get_nf 241501
Fp_halve 246991
affc_fixlg 249595
rnf_get_nfpol 255354
znstar_get_cyc 261976
FqXn_mul 263403
get_FlxqX_var 264420
bnf_get_tuN 265415
bnr_get_no 277494
gchar_get_zm 279434
bnf_get_fu_nocheck 288402
bnf_get_tuU 290759
nf_get_G 301256
vec_prepend 301316
rnf_get_polabs 314496
get_FlxqX_degree 317565
ZM_hnfrem 327106
Flx_constant 330287
upr_norm 343930
RgX_renormalize 349807
vecsplice 354728
abgrp_get_no 354806
FqX_mul 367258
ellR_get_sign 371325
get_F2xqX_var 375375
coltrunc_init 393680
cxtoreal 394437
RgX_is_QX 395800
perm_conj 418299
FqX_Fq_mul 427264
FqX_extgcd 443047
nf_get_disc 457169
Z_issquare 458552
precdbl 475325
RgX_shift_inplace 479266
RgX_shift_inplace_init 479266
vecsmall_ei 494139
zv_to_ZV 502527
vecsmall_to_vec 511088
nf_get_sign 517047
mkvec3s 524441
gdivsg 529206
ZM_ZV_mod 540135
addmuliu 541078
FqX_Fp_mul 568187
prec2nbits_mul 580919
RgC_fpnorml2 617791
FqX_is_squarefree 683802
mkvecsmall5 691948
vecreverse 697046
mkrfrac 698152
rnf_get_nf 733726
logint 752125
row 762793
gcmpgs 790641
ellff_get_a4a6 800036
zero_F2m_copy 840081
FpXX_renormalize 849896
zeropadic 855662
gmin_shallow 874918
affgr 898775
ZXQ_sqr 951460
cgetc 973494
Flx_lead 978550
vecsmall_max 1029789
pr_norm 1066874
polx_F2x 1070595
sstoQ 1074206
mkoo 1076919
Fp_invsafe 1099917
Flx_mulu 1104781
RgV_isscalar 1140182
nf_get_varn 1167821
inf_get_sign 1195088
mkfracss 1209444
gen_I 1269448
bnr_get_nf 1269690
bnf_get_sunits 1278294
ell_get_j 1295726
Rg_col_ei 1308750
guncloneNULL_deep 1360392
bid_get_mod 1386423
rnf_get_absdegree 1392746
RgX_is_monomial 1395664
zero_Flx 1426262
constant_coeff 1439829
vecsmall_concat 1464247
nf_get_roots 1531644
F2m_flip 1553235
F2v_flip 1553235
F2x_flip 1553235
F2x_div 1553725
bnf_get_gen 1578481
abgrp_get_gen 1650853
nf_get_roundG 1686025
vec_ei 1711485
gsubgs 1719798
ulogint 1727325
ellinf 1868526
killblock 1882809
modpr_get_p 1888446
get_F2x_degree 1928959
bnr_get_bid 1941852
bid_get_MOD 1994842
bid_get_sprk 1995570
Flx_div 1995743
ellnf_get_nf 2027607
bid_get_fact2 2029327
ellff_get_field 2036869
ell_get_b4 2135641
pari_realloc_ip 2145179
ZXQ_mul 2145259
zv_copy 2183600
gc_slice 2202291
bid_get_archp 2222127
pol_xn 2232335
bid_get_fact 2317650
bnr_get_cyc 2345199
get_F2x_mod 2499202
rnf_get_degree 2506083
mul_content 2512983
cyc_get_expo 2523366
get_F2x_var 2532650
Flv_copy 2545291
RgX_coeff 2551519
ell_get_b8 2608978
bnr_get_clgp 2640539
vecslicepermute 2646706
bnf_get_logfu 2702464
hash_str 2747299
perm_inv 2778676
zero_Flm 2785429
sqrtnr 2795089
znstar_get_pe 2820791
rnf_get_pol 2844933
F2x_equal1 2874061
gisdouble 2967491
mkpolmod 3024399
ell_get_b6 3055105
Fq_red 3106818
identity_perm 3130815
identity_zv 3155158
bit_accuracy_mul 3175246
ZV_to_zv 3191094
znstar_get_conreygen 3221961
F3m_coeff 3247862
bid_get_U 3382319
get_FpX_mod 3393148
vec_append 3431995
bnf_get_cyc 3511187
pol_x 3564556
nf_get_index 3580422
bnr_get_bnf 3594603
zero_F2v 3627935
mulsubii 3850444
pol1_F2x 3954703
vec_to_vecsmall 4016044
vecsmall_append 4077417
sqrfrac 4136310
vecsmall_copy 4366147
mkcol2s 4415390
pol_1 4464188
mkmat 4610409
F2x_equal 4630157
checkell_i 4677437
FpXQX_renormalize 4694697
qfb_disc3 4848342
mkfraccopy 4959062
is_rational_t 5016264
nf_get_zkprimpart 5020843
nf_get_zkden 5066565
bnf_get_clgp 5098192
pari_stack_delete 5288576
bid_get_cyc 5367637
bid_get_grp 5420150
ell_get_b2 5432776
FpX_div 5442203
col_ei 5680558
isintm1 5702603
ell_get_a2 5709705
pari_stack_init 5748647
get_FpX_degree 6005846
Flm_copy 6275359
ell_get_a4 6522706
sqrti 6591137
mkvec4 6643017
ell_get_a3 6912843
ZM_lll 6934169
veclast 6934478
RgX_div 7053742
ell_get_a1 7116196
RgX_gtofp 7132168
vecsmall_lexcmp 7209147
znstar_get_faN 7211773
get_FpX_var 7238228
ZX_is_monic 7328016
ZV_ZV_mod 7343574
zc_to_ZC 7747085
vecsmall_to_col 7761267
znstar_get_conreycyc 7824692
Q_abs 7935688
ell_get_a6 7961479
mkintmod 7984147
F2m_coeff 8018844
ell_get_c4 8021642
RgM_gtofp 8178662
Flx_equal1 8319882
gc_INT_affii 8470328
Flm_row 8741677
ell_get_c6 8850287
cxtofp 8978089
RgM_dimensions 9408338
bnf_get_nf 9429120
nf_get_invzk 9488160
ismpzero 9574921
is_intreal_t 9575014
const_col 9622796
ser_isexactzero 10079479
mkcol 10185276
ZC_hnfrem 10191939
mul_denom 10293651
ell_get_disc 11279831
Fp_addmul 11363932
abgrp_get_cyc 11506161
pr_get_gen 11513385
ell_get_type 11588137
vectrunc_init 11685678
F2v_clear 12263056
F2x_clear 12263101
nbits2nlong 12581686
closure_get_frame 13065331
modpr_get_T 13192621
pol0_F2x 13207511
gmax_shallow 13509997
zeromatcopy 14027261
Fp_center_i 14163315
rowpermute 14416388
mkvec5 14487509
Fp_div 15036473
Fp_divu 15136338
vectrunc_append 15226721
mkvecsmall4 15503799
pr_get_e 15718855
pr_is_inert 16401738
matslice 16606763
normalize_frac 17001803
isint1 17089241
cxcompotor 18005478
hash_str_len 18211996
qfb_disc 18470760
const_vecsmall 18989024
vecpermute 19832613
nf_get_M 20765884
RgX_is_ZX 20849569
Flx_div_pre 21399573
RgM_shallowcopy 21407857
Fp_double 21551812
gmulgs 22072391
nf_get_r1 22159980
ZV_isscalar 22760752
Fp_inv 23225273
pr_get_f 25346572
get_Flx_mod 25410074
shallowcopy 25830454
zerovec 26645632
RgX_equal_var 26927645
mkqfb 27798935
Fp_neg 28854888
modpr_get_pr 30070908
RgV_is_ZV 31459619
mkmat2 32557220
submulii 32800208
const_vec 32855670
RgC_gtofp 33713599
znstar_get_N 34545576
zero_zv 36158382
polx_Flx 37594324
lincombii 37873306
closure_is_variadic 40102590
mkfrac 41029080
zeropol 42309329
powii 42893582
is_vec_t 43442211
absfrac 45594009
guncloneNULL 47773562
pr_get_tau 47844517
mkmat22 49795251
ell_is_inf 51137069
QV_isscalar 52370196
pol1_Flx 54587305
zero_Flv 58751353
addmuliu_inplace 59414706
submuliu_inplace 59918316
F2x_copy 60206735
gtodouble 60840814
is_real_t 62656079
Fp_sqr 66434647
get_Flx_var 67637565
qfb_is_qfi 67760146
mkvec 68176638
nf_get_degree 68835327
Fp_mulu 69217018
Fp_center 75878501
vecsmallpermute 77997265
rowslice 78382425
sqrtr 80005751
perm_mul 80192216
Fp_red 80818556
get_Flx_degree 82687435
pol_0 83281214
is_noncalc_t 85681324
gtos 85805523
pr_get_p 89382808
mkcomplex 90062593
cxnorm 90688154
dbllog2r 93159660
nf_get_pol 94459577
vecsmalltrunc_append 99703751
mkvecsmall3 100314474
cgiv 100652611
F2v_set 101336905
pol0_Flx 101876351
RgX_copy 103509158
prec2nbits 104988650
gc_all 105994722
vecsmall_prefixcmp 108088071
F2x_renormalize 114950399
both_odd 117423712
mkvec3 117750863
zerocol 118837140
nchar2nlong 120819316
gaddgs 123175628
gmulgu 124184326
F2x_set 124540732
mkvecsmall 129332411
equalim1 139010267
bit_prec 141577600
FpX_renormalize 145076328
nbrows 153708408
mkcol2 154764182
ZX_renormalize 157271168
uutoQ 158080619
leading_coeff 169171874
Flx_copy 172238103
Fp_add 172706015
mkvec2 183541529
nbits2prec 186146310
vecsmalltrunc_init 189615982
Fp_mul 200038190
Fp_sub 204382224
mkvecsmall2 223777077
gc_GEN 249445594
gtofp 252783597
is_universal_constant 291558130
lg_increase 318473725
closure_get_data 319750451
closure_get_oper 319806024
closure_codestr 319828853
lgcols 341387734
closure_arity 368547728
is_scalar_t 377620293
bin_copy 481723011
pari_free 494989606
is_bigint 558698529
leafcopy_avma 566308482
pari_stack_new 606030705
vecslice 642317321
is_matvec_t 660458300
F2v_coeff 660965850
F2x_coeff 667539962
pari_stack_alloc 699105925
pari_stack_base 704378895
pari_malloc 725326268
GENbinbase 934451778
gc_uptoleaf 1120984383
equali1 1289327096
nbits2extraprec 1490014545
gc_upto 1907229563
odd 2058172888
is_pm1 2177569132
lgpol 2643505947
isintzero 2810151093
bit_accuracy 3131386088
gc_INT 4048830638
prec2lg 4491539796
is_const_t 4900824056
degpol 5372847222
icopy_avma 7912792023
remsBIL 8022876504
divsBIL 8112812316
isonstack 8142237267
is_recursive_t 9156328013

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