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: 1421 1532 92.8 %
Date: 2025-09-06 09:24:15 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
F2m_coeff 8039604
F2m_copy 200507
F2m_flip 1554381
F2m_set 798
F2v_clear 12356100
F2v_coeff 661331920
F2v_copy 4487
F2v_ei 42
F2v_flip 1554381
F2v_set 101404837
F2v_to_F2x 37868
F2xX_shift 0
F2x_clear 12356099
F2x_coeff 667889815
F2x_copy 60465147
F2x_div 1572000
F2x_equal 4665904
F2x_equal1 2873953
F2x_flip 1554381
F2x_renormalize 115230924
F2x_set 124741372
F2xqX_div 33173
F3m_coeff 3256771
F3m_copy 0
F3m_set 0
Flm_copy 6431491
Flm_row 8742516
Flv_copy 2555339
Flx_constant 330253
Flx_copy 173786880
Flx_div 1999021
Flx_div_pre 21703945
Flx_equal1 8327090
Flx_lead 980478
Flx_mulu 1105168
FlxqX_div 0
FlxqX_div_pre 165415
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693669
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5578785
FpX_renormalize 144573837
Fp_add 181674151
Fp_addmul 11400378
Fp_center 77221925
Fp_center_i 18054161
Fp_div 15033982
Fp_divu 15133719
Fp_double 22291536
Fp_halve 247348
Fp_inv 23399286
Fp_invsafe 1100358
Fp_mul 201124000
Fp_muls 17780
Fp_mulu 67210708
Fp_neg 30882148
Fp_red 82078458
Fp_sqr 64733341
Fp_sub 203586926
FqXQ_add 0
FqXQ_div 0
FqXQ_inv 0
FqXQ_invsafe 0
FqXQ_mul 22766
FqXQ_pow 0
FqXQ_sqr 0
FqXQ_sub 0
FqX_Fp_mul 572121
FqX_Fq_mul 427288
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38547
FqX_div_by_X_x 69629
FqX_divrem 0
FqX_extgcd 445042
FqX_factor 141051
FqX_factor_squarefree 7
FqX_gcd 8246
FqX_get_red 6090
FqX_halfgcd 0
FqX_halve 19411
FqX_integ 0
FqX_is_squarefree 683802
FqX_mul 367811
FqX_mulu 21942
FqX_neg 24956
FqX_normalize 4123
FqX_powu 1295
FqX_red 25354
FqX_rem 37743
FqX_roots 7273
FqX_sqr 71855
FqX_sub 68607
FqX_to_mod 175
FqXn_exp 0
FqXn_expint 6590
FqXn_inv 7126
FqXn_mul 263403
FqXn_sqr 0
Fq_red 3106496
Fq_to_FpXQ 73792
GENbinbase 964133911
QV_isscalar 54379869
Q_abs 8062553
Q_abs_shallow 120238
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622074
RgC_gtofp 34013815
RgC_gtomp 574
RgM_dimensions 9742023
RgM_fpnorml2 22781
RgM_gtofp 8252650
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22161459
RgV_gtofp 56
RgV_is_QV 140756
RgV_is_ZV 32159676
RgV_isin 110130
RgV_isin_i 110130
RgV_isscalar 1208178
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669140
RgX_copy 103402198
RgX_div 7000740
RgX_equal_var 26880629
RgX_fpnorml2 61608
RgX_gtofp 7147252
RgX_is_QX 400113
RgX_is_ZX 22417623
RgX_is_monomial 1331289
RgX_is_rational 68305
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
RgX_to_RgV 140
Rg_col_ei 1451313
Rg_to_Fq 756
ZC_hnfrem 10682250
ZM_ZV_mod 596638
ZM_hnfrem 363790
ZM_lll 7110520
ZV_ZV_mod 8129144
ZV_dvd 23485
ZV_isscalar 23092232
ZV_to_zv 3206091
ZXQ_mul 2162050
ZXQ_sqr 961079
ZX_equal1 12711
ZX_is_monic 7375980
ZX_renormalize 155009325
Z_ispower 98
Z_issquare 458925
abgrp_get_cyc 12225901
abgrp_get_gen 1762886
abgrp_get_no 355176
absfrac 46627961
absfrac_shallow 28237
addmuliu 541074
addmuliu_inplace 59698391
affc_fixlg 249592
affgr 898719
bid_get_MOD 2157262
bid_get_U 3680241
bid_get_arch 41188
bid_get_archp 2397107
bid_get_cyc 5739580
bid_get_fact 2498947
bid_get_fact2 2201580
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804434
bid_get_ideal 72842
bid_get_mod 1521922
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157996
bin_copy 497217017
bit_accuracy 3163704326
bit_accuracy_mul 3175421
bit_prec 143008596
bnf_get_clgp 5368414
bnf_get_cyc 3681724
bnf_get_fu 25852
bnf_get_fu_nocheck 289076
bnf_get_gen 1678178
bnf_get_logfu 2872610
bnf_get_nf 9852801
bnf_get_no 8358
bnf_get_reg 648
bnf_get_sunits 1365638
bnf_get_tuN 282994
bnf_get_tuU 303567
bnr_get_bid 2045872
bnr_get_bnf 3750910
bnr_get_clgp 2830026
bnr_get_cyc 2522341
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77119
bnr_get_nf 1368113
bnr_get_no 277498
both_odd 124014131
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 973492
cgiv 102101543
checkell_i 5593347
closure_arity 371368431
closure_codestr 321534674
closure_get_code 0
closure_get_data 321477775
closure_get_dbg 13621
closure_get_frame 14145001
closure_get_oper 321506062
closure_get_text 37051
closure_is_variadic 40152434
col_ei 5923735
coltrunc_init 740250
const_col 9729765
const_vec 34466374
const_vecsmall 19660936
constant_coeff 1441495
cxcompotor 18205631
cxnorm 90891068
cxtofp 9077019
cxtoreal 337175
cyc_get_expo 2755550
cyclic_perm 99911
dbllog2r 93989932
degpol 5500932891
div_content 58477
divsBIL 8171602952
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8996376
ell_get_a2 7105468
ell_get_a3 8813344
ell_get_a4 8536009
ell_get_a6 10370247
ell_get_b2 7369855
ell_get_b4 2549033
ell_get_b6 3861932
ell_get_b8 3297414
ell_get_c4 10728663
ell_get_c6 12892032
ell_get_disc 16525526
ell_get_j 2126227
ell_get_type 12499433
ell_is_inf 52464568
ellff_get_a4a6 800036
ellff_get_field 2036865
ellinf 1868522
ellnf_get_bnf 126
ellnf_get_nf 2027616
equali1 1175072612
equalim1 139503984
err_get_compo 294
err_get_num 62529
gaddgs 123247487
gal_get_den 27874
gal_get_e 91
gal_get_gen 15449
gal_get_group 80394
gal_get_invvdm 27881
gal_get_mod 23772
gal_get_orders 6678
gal_get_p 6020
gal_get_pol 36337
gal_get_roots 32753
gc_GEN 256142744
gc_INT 4103290366
gc_INT_affii 8485311
gc_all 109982589
gc_leaf 1132500098
gc_slice 2204906
gc_upto 1949444937
gchar_copy_precs 1202
gchar_get_DLdata 188468
gchar_get_S 36865
gchar_get_U 0
gchar_get_Ui 10969
gchar_get_basis 32639
gchar_get_bnf 203105
gchar_get_cyc 16168
gchar_get_evalprec 4011
gchar_get_hnf 0
gchar_get_loccyc 50347
gchar_get_m0 3321
gchar_get_mod 8225
gchar_get_modP 4095
gchar_get_nalg 2042
gchar_get_nc 37131
gchar_get_nf 241501
gchar_get_nfprec 13419
gchar_get_nfree 322
gchar_get_nm 1841
gchar_get_ns 36865
gchar_get_ntors 322
gchar_get_prec 18732
gchar_get_r1 17416
gchar_get_r2 623
gchar_get_sfu 1748
gchar_get_u0 4267
gchar_get_zm 279434
gchar_set_HUUi 623
gchar_set_basis 1573
gchar_set_cyc 1573
gchar_set_evalprec 1785
gchar_set_m0 950
gchar_set_nalg 623
gchar_set_nf 2077
gchar_set_nfprec 2950
gchar_set_nfree 623
gchar_set_ntors 623
gchar_set_prec 1202
gchar_set_u0 2093
gcmpgs 761931
gdivsg 529207
gen_I 1269673
gener_Fq_local 29932
gequalgs 29176
get_F2x_degree 1929019
get_F2x_mod 2499151
get_F2x_var 2534138
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82225182
get_Flx_mod 25600837
get_Flx_var 68361432
get_FlxqX_degree 317565
get_FlxqX_mod 8033
get_FlxqX_var 264420
get_FpXQX_degree 3589
get_FpXQX_mod 146583
get_FpXQX_var 51630
get_FpX_degree 6424390
get_FpX_mod 3394335
get_FpX_var 6957738
gisdouble 2987942
gmax_shallow 13510221
gmaxsg 0
gmin_shallow 876324
gminsg 0
gmulgs 22516264
gmulgu 282058132
gsubgs 1727469
gtodouble 60769072
gtofp 254238234
gtomp 22428
gtos 85833165
gtou 104240
guncloneNULL 48152550
guncloneNULL_deep 1385231
gval 5824
hash_str 2753015
hash_str_len 31539787
icopy_avma 8034870104
idealchineseinit 5427
idealred 138527
identity_ZV 8113
identity_perm 3242795
identity_zv 3267145
inf_get_sign 1453119
inv_content 0
is_bigint 562555645
is_const_t 4890579255
is_extscalar_t 6876
is_intreal_t 9575338
is_matvec_t 660024571
is_noncalc_t 85859974
is_pm1 2201188272
is_qfb_t 0
is_rational_t 5035153
is_real_t 62657877
is_recursive_t 9245332941
is_scalar_t 375640147
is_universal_constant 325802068
is_vec_t 43951127
isint1 17571574
isintm1 5703943
isintzero 2838927118
ismpzero 9575231
isonstack 8254864881
killblock 1899508
leading_coeff 170555067
leafcopy_avma 577382299
lg_increase 317823714
lgcols 350185487
lgpol 2681675608
lincombii 38199045
locs_get_Lgenfil 1260
locs_get_Lsprk 191695
locs_get_cyc 51955
locs_get_famod 1260
locs_get_m_infty 207235
locs_get_mod 8225
logint 752815
matpascal 3885
matslice 16818247
mkcol 10635407
mkcol2 156867407
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33510
mkcols 40411
mkcomplex 91616666
mkerr 0
mkfrac 41628029
mkfraccopy 4999619
mkfracss 1209563
mkintmod 8092652
mkintmodu 1813
mkmat 4748711
mkmat2 33649483
mkmat22 50270135
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122234
mkmoo 108834
mkoo 1332031
mkpadic 2009
mkpolmod 3105019
mkqfb 28079853
mkquad 69118
mkrfrac 698152
mkrfraccopy 14
mkvec 71144841
mkvec2 185299462
mkvec2copy 114568
mkvec2s 220412
mkvec3 117708011
mkvec3s 524441
mkvec4 10105750
mkvec4s 21
mkvec5 15182691
mkveccopy 122521
mkvecs 168
mkvecsmall 131669793
mkvecsmall2 233659426
mkvecsmall3 104071389
mkvecsmall4 17836530
mkvecsmall5 1730606
modpr_get_T 13865382
modpr_get_p 1888432
modpr_get_pr 31231381
mul_content 2652042
mul_denom 10707866
mulsubii 3882045
nbits2extraprec 1498344428
nbits2ndec 228
nbits2nlong 12646407
nbits2prec 187602334
nbrows 157447764
nchar2nlong 127377768
ndec2nbits 8270
ndec2nlong 41430
ndec2prec 33160
nfV_to_scalar_or_alg 26293
nf_get_G 303556
nf_get_M 21161750
nf_get_Tr 22081
nf_get_degree 71322278
nf_get_diff 4438
nf_get_disc 463836
nf_get_index 3709025
nf_get_invzk 9761133
nf_get_pol 98019056
nf_get_r1 22884358
nf_get_r2 4140
nf_get_ramified_primes 64812
nf_get_roots 1625468
nf_get_roundG 1744486
nf_get_sign 517288
nf_get_varn 1503586
nf_get_zk 4382
nf_get_zkden 5460055
nf_get_zkprimpart 5414224
normalize_frac 17205192
odd 2084734866
pari_calloc 47650
pari_err_BUG 14
pari_err_COMPONENT 214
pari_err_CONSTPOL 21
pari_err_COPRIME 84
pari_err_DIM 718
pari_err_DOMAIN 2841
pari_err_FILE 0
pari_err_FILEDESC 36
pari_err_FLAG 98
pari_err_IMPL 539
pari_err_INV 20018
pari_err_IRREDPOL 63
pari_err_MAXPRIME 0
pari_err_MODULUS 1316
pari_err_OP 406
pari_err_OVERFLOW 156
pari_err_PACKAGE 0
pari_err_PREC 238
pari_err_PRIME 98
pari_err_PRIORITY 238
pari_err_ROOTS0 63
pari_err_SQRTN 7084
pari_err_TYPE 15398
pari_err_TYPE2 3493
pari_err_VAR 371
pari_free 510535952
pari_malloc 746480567
pari_realloc 1890
pari_realloc_ip 2179962
pari_stack_alloc 1019484885
pari_stack_base 1024855536
pari_stack_delete 5397677
pari_stack_init 5834101
pari_stack_new 924862670
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782900
perm_mul 80935302
perm_sqr 728
pol0_F2x 13245423
pol0_Flx 103505333
pol1_F2x 3957402
pol1_Flx 55060879
pol_0 82998158
pol_1 3756321
pol_x 3856861
pol_xn 2249914
pol_xnall 294
polx_F2x 1079323
polx_Flx 37825340
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43176537
pr_get_e 15948140
pr_get_f 26036076
pr_get_gen 12055309
pr_get_p 91688754
pr_get_tau 48861044
pr_is_inert 16905810
pr_norm 1088499
prec2lg 4510462717
prec2nbits 105660022
prec2nbits_mul 581138
prec2ndec 9778
precdbl 475471
qfb_disc 18514509
qfb_disc3 4988888
qfb_is_qfi 62946081
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8081354630
rnf_get_absdegree 1392746
rnf_get_alpha 1428
rnf_get_degree 2506307
rnf_get_disc 350
rnf_get_idealdisc 1386
rnf_get_index 105
rnf_get_invzk 1225
rnf_get_k 1225
rnf_get_map 135659
rnf_get_nf 786030
rnf_get_nfdegree 21455
rnf_get_nfpol 255354
rnf_get_nfvarn 4886
rnf_get_nfzk 7245
rnf_get_pol 2845157
rnf_get_polabs 327628
rnf_get_ramified_primes 2849
rnf_get_varn 574
rnf_get_zk 4830
row 764009
row_i 987
rowcopy 204988
rowpermute 14705400
rowslice 79356515
rowslicepermute 184603
rowsplice 273
ser_isexactzero 10079479
shallowcopy 27634865
sqrfrac 4148190
sqrti 6663529
sqrtnr 2807175
sqrtr 80276890
sstoQ 1097215
sturm 385
submulii 32847018
submuliu 7742
submuliu_inplace 60186863
truecoef 0
trunc_safe 0
ulogint 1716963
upr_norm 343930
uutoQ 1600142
vec_append 3461179
vec_ei 1714606
vec_lengthen 18946
vec_prepend 313983
vec_setconst 0
vec_shorten 11550
vec_to_vecsmall 4031478
veclast 9372648
vecmodii 0
vecmoduu 49784
vecpermute 20518600
vecreverse 697235
vecreverse_inplace 2570
vecslice 656408681
vecslicepermute 2689527
vecsmall_append 4111388
vecsmall_coincidence 0
vecsmall_concat 1464449
vecsmall_copy 4404203
vecsmall_ei 584725
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 540
vecsmall_lexcmp 7043259
vecsmall_max 1164612
vecsmall_min 2324
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186991
vecsmall_reverse 3052
vecsmall_shorten 74577
vecsmall_to_col 7833180
vecsmall_to_vec 511571
vecsmall_to_vec_inplace 3304
vecsmallpermute 78739746
vecsmalltrunc_append 101585603
vecsmalltrunc_init 190927278
vecsplice 384887
vectrunc_append 16164201
vectrunc_append_batch 12306
vectrunc_init 12067194
zc_to_ZC 7819002
zero_F2m 0
zero_F2m_copy 845124
zero_F2v 3648132
zero_F2x 1350
zero_Flm 2830443
zero_Flm_copy 235905
zero_Flv 59490994
zero_Flx 1426833
zero_zm 0
zero_zv 36731930
zero_zx 0
zerocol 122276763
zeromat 109094
zeromatcopy 14240527
zeropadic 855927
zeropadic_shallow 17024
zeropol 42358592
zeroser 138824
zerovec 28455261
zerovec_block 28947
zm_copy 0
zm_row 0
zm_to_zxV 0
zm_transpose 266
znstar_get_N 38653757
znstar_get_U 176107
znstar_get_Ui 46788
znstar_get_conreycyc 7978902
znstar_get_conreygen 3289889
znstar_get_cyc 262088
znstar_get_faN 7330731
znstar_get_gen 16150
znstar_get_no 14
znstar_get_pe 2868790
zv_copy 2184074
zv_to_ZV 502996
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

Generated by: LCOV version 1.16