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 30482-15ec328664) Lines: 1420 1532 92.7 %
Date: 2025-09-04 09:23:52 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 11550
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 22083
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 26293
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 33503
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 37864
FqX_div 38545
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 58478
RgX_fpnorml2 61608
err_get_num 62529
bid_get_gen 64274
nf_get_ramified_primes 64813
RgX_is_rational 68305
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 80395
mkcol3 88314
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
gtou 104265
mkmoo 108835
zeromat 109136
RgV_isin 110130
RgV_isin_i 110130
mkvec2copy 114561
Q_abs_shallow 120240
mkmatcopy 122248
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138516
zeroser 138824
RgV_is_QV 140756
FqX_factor 141051
get_FpXQX_mod 146583
FlxqX_div_pre 165414
znstar_get_U 176107
rowslicepermute 185134
vecsmall_prepend 186991
gchar_get_DLdata 188468
locs_get_Lsprk 191695
F2m_copy 200497
get_F2xqX_degree 200851
gchar_get_bnf 203105
rowcopy 204988
locs_get_m_infty 207235
mkmat22s 207578
mkvec2s 220411
mkcol6 232589
ellR_get_prec 232750
zero_Flm_copy 235903
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 277496
gchar_get_zm 279434
bnf_get_tuN 282987
bnf_get_fu_nocheck 289070
bnf_get_tuU 303553
nf_get_G 303627
vec_prepend 313980
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 330256
cxtoreal 337175
upr_norm 343930
RgX_renormalize 349807
abgrp_get_no 355174
ZM_hnfrem 363830
FqX_mul 367817
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384881
RgX_is_QX 400116
perm_conj 418299
FqX_Fq_mul 427299
FqX_extgcd 445054
Z_issquare 458924
nf_get_disc 463830
precdbl 475487
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
zv_to_ZV 502996
vecsmall_to_vec 511571
nf_get_sign 517290
mkvec3s 524441
gdivsg 529205
addmuliu 541083
FqX_Fp_mul 572126
prec2nbits_mul 581138
vecsmall_ei 584773
ZM_ZV_mod 596593
RgC_fpnorml2 622067
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698152
coltrunc_init 740250
logint 752810
gcmpgs 761927
row 764003
rnf_get_nf 786030
ellff_get_a4a6 800032
zero_F2m_copy 845109
FpXX_renormalize 849896
zeropadic 855567
gmin_shallow 876301
affgr 898719
ZXQ_sqr 961079
cgetc 973493
Flx_lead 980282
polx_F2x 1079073
pr_norm 1088543
sstoQ 1097215
Fp_invsafe 1100357
Flx_mulu 1105196
vecsmall_max 1164664
RgV_isscalar 1208178
mkfracss 1209563
gen_I 1269703
RgX_is_monomial 1331349
mkoo 1332112
bnf_get_sunits 1365638
bnr_get_nf 1368126
guncloneNULL_deep 1386055
rnf_get_absdegree 1392746
zero_Flx 1426860
constant_coeff 1441501
Rg_col_ei 1451311
inf_get_sign 1453202
vecsmall_concat 1464444
nf_get_varn 1503589
bid_get_mod 1521921
F2m_flip 1554354
F2v_flip 1554354
F2x_flip 1554354
F2x_div 1571524
uutoQ 1600142
nf_get_roots 1625525
bnf_get_gen 1678181
vec_ei 1714629
ulogint 1725214
gsubgs 1727464
mkvecsmall5 1730635
nf_get_roundG 1744546
abgrp_get_gen 1762893
ellinf 1868511
modpr_get_p 1888431
killblock 1900065
get_F2x_degree 1929027
Flx_div 1999050
ellnf_get_nf 2027611
ellff_get_field 2036863
bnr_get_bid 2045869
ell_get_j 2126227
bid_get_MOD 2157256
bid_get_sprk 2157987
ZXQ_mul 2162054
pari_realloc_ip 2180001
zv_copy 2184115
bid_get_fact2 2201577
gc_slice 2204891
pol_xn 2249910
bid_get_archp 2397114
bid_get_fact 2498939
get_F2x_mod 2499138
rnf_get_degree 2506307
bnr_get_cyc 2522352
get_F2x_var 2534129
ell_get_b4 2549033
Flv_copy 2555376
mul_content 2652177
RgX_coeff 2669140
vecslicepermute 2690860
hash_str 2753015
cyc_get_expo 2755565
perm_inv 2782876
sqrtnr 2807171
bnr_get_clgp 2830036
zero_Flm 2830223
rnf_get_pol 2845157
znstar_get_pe 2868790
bnf_get_logfu 2872590
F2x_equal1 2873919
gisdouble 2987634
mkpolmod 3105019
Fq_red 3106396
bit_accuracy_mul 3175421
ZV_to_zv 3206095
identity_perm 3242639
F3m_coeff 3256662
identity_zv 3266989
znstar_get_conreygen 3289889
ell_get_b8 3297414
get_FpX_mod 3394333
vec_append 3461162
zero_F2v 3648073
bid_get_U 3680233
bnf_get_cyc 3681726
nf_get_index 3709035
bnr_get_bnf 3750905
pol_1 3756314
pol_x 3856919
ell_get_b6 3861932
mulsubii 3881940
pol1_F2x 3957498
vec_to_vecsmall 4031517
vecsmall_append 4111396
sqrfrac 4148249
vecsmall_copy 4404206
mkcol2s 4416244
F2x_equal 4663700
FpXQX_renormalize 4693527
mkmat 4748643
qfb_disc3 4988912
mkfraccopy 4999655
is_rational_t 5035136
bnf_get_clgp 5368431
pari_stack_delete 5400030
nf_get_zkprimpart 5414272
nf_get_zkden 5460093
FpX_div 5578733
checkell_i 5593333
isintm1 5704048
bid_get_cyc 5739593
bid_get_grp 5804443
pari_stack_init 5834223
col_ei 5923606
get_FpX_degree 6424442
Flm_copy 6431399
sqrti 6663496
get_FpX_var 6957779
RgX_div 7000740
vecsmall_lexcmp 7043253
ell_get_a2 7105469
ZM_lll 7110434
RgX_gtofp 7147329
znstar_get_faN 7330731
ell_get_b2 7369850
ZX_is_monic 7375971
zc_to_ZC 7819773
vecsmall_to_col 7833954
znstar_get_conreycyc 7978902
F2m_coeff 8039486
Q_abs 8062666
mkintmod 8092603
ZV_ZV_mod 8129099
RgM_gtofp 8252370
Flx_equal1 8327134
gc_INT_affii 8491456
ell_get_a4 8536010
Flm_row 8742554
ell_get_a3 8813340
ell_get_a1 8996372
cxtofp 9078130
veclast 9372638
ismpzero 9575279
is_intreal_t 9575391
const_col 9729811
RgM_dimensions 9741901
nf_get_invzk 9761056
bnf_get_nf 9852794
ser_isexactzero 10079479
mkvec4 10105774
ell_get_a6 10370248
mkcol 10635362
ZC_hnfrem 10682334
mul_denom 10707979
ell_get_c4 10728697
Fp_addmul 11387725
pr_get_gen 12055382
vectrunc_init 12067177
abgrp_get_cyc 12225911
F2v_clear 12355828
F2x_clear 12355829
ell_get_type 12499439
nbits2nlong 12647064
ell_get_c6 12892060
pol0_F2x 13246514
gmax_shallow 13510221
modpr_get_T 13865368
closure_get_frame 14144998
zeromatcopy 14240481
rowpermute 14705667
Fp_div 15034895
Fp_divu 15134641
mkvec5 15182687
pr_get_e 15948485
vectrunc_append 16163993
ell_get_disc 16525570
matslice 16817609
pr_is_inert 16906025
normalize_frac 17205162
isint1 17571660
mkvecsmall4 17835604
Fp_center_i 18055432
cxcompotor 18207924
qfb_disc 18514523
const_vecsmall 19661283
vecpermute 20523309
nf_get_M 21161509
Flx_div_pre 21702551
RgM_shallowcopy 22161672
Fp_double 22262708
RgX_is_ZX 22417691
gmulgs 22477465
nf_get_r1 22884255
ZV_isscalar 23091971
Fp_inv 23399480
get_Flx_mod 25600784
pr_get_f 26036264
RgX_equal_var 26880638
shallowcopy 27636447
mkqfb 28079959
zerovec 28455422
Fp_neg 30882845
modpr_get_pr 31231375
hash_str_len 31539870
RgV_is_ZV 32159676
submulii 32847018
mkmat2 33649824
RgC_gtofp 34011054
const_vec 34465195
zero_zv 36731802
polx_Flx 37827313
lincombii 38197532
znstar_get_N 38653757
closure_is_variadic 40152620
mkfrac 41623838
zeropol 42358581
powii 43176736
is_vec_t 43957853
absfrac 46628101
guncloneNULL 48153584
pr_get_tau 48861165
mkmat22 50268471
ell_is_inf 52509307
QV_isscalar 54380881
pol1_Flx 55058872
zero_Flv 59490967
addmuliu_inplace 59764993
submuliu_inplace 60250576
F2x_copy 60462163
gtodouble 60769932
is_real_t 62657878
qfb_is_qfi 62954300
Fp_sqr 64684803
Fp_mulu 67080216
get_Flx_var 68360344
mkvec 71135687
nf_get_degree 71323628
Fp_center 77219738
vecsmallpermute 78737318
rowslice 79355660
sqrtr 80276705
perm_mul 80932944
Fp_red 82079582
get_Flx_degree 82170053
pol_0 82998108
gtos 85833146
is_noncalc_t 85859553
cxnorm 90889865
mkcomplex 91626952
pr_get_p 91689209
dbllog2r 93992357
nf_get_pol 98020298
F2v_set 101404652
vecsmalltrunc_append 101528922
cgiv 102102235
RgX_copy 103402308
pol0_Flx 103514289
mkvecsmall3 104073517
prec2nbits 105656918
vecsmall_prefixcmp 108088071
gc_all 109982595
F2x_renormalize 115201605
mkvec3 117543594
zerocol 122276428
gaddgs 123247483
both_odd 123944747
F2x_set 124731219
nchar2nlong 127376383
mkvecsmall 131676281
equalim1 139504177
bit_prec 142997084
FpX_renormalize 144574952
ZX_renormalize 155013503
mkcol2 156862599
nbrows 157442371
leading_coeff 170555525
Flx_copy 173787932
Fp_add 181638966
mkvec2 185861075
nbits2prec 187589904
vecsmalltrunc_init 191910252
Fp_mul 201101816
Fp_sub 203575183
mkvecsmall2 233682454
gtofp 254234850
gc_GEN 256150611
gmulgu 282058132
lg_increase 321158885
closure_get_data 321583804
closure_get_oper 321603127
closure_codestr 321621994
is_universal_constant 325773446
lgcols 350185784
closure_arity 371480699
is_scalar_t 375640732
bin_copy 497214177
pari_free 510534965
is_bigint 562550665
leafcopy_avma 577201099
vecslice 656380267
is_matvec_t 660117400
F2v_coeff 661330883
F2x_coeff 667902772
pari_malloc 746478770
pari_stack_new 924941854
GENbinbase 964126804
pari_stack_alloc 1019563896
pari_stack_base 1024947958
gc_leaf 1132208209
equali1 1175077665
nbits2extraprec 1498252051
gc_upto 1949379409
odd 2085499359
is_pm1 2201103574
lgpol 2681150966
isintzero 2837834874
bit_accuracy 3163559879
gc_INT 4103452246
prec2lg 4510079373
is_const_t 4889618874
degpol 5499194578
icopy_avma 8034964448
remsBIL 8080876193
divsBIL 8171091749
isonstack 8254820258
is_recursive_t 9245354095

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