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 30571-c0dfe82732) Lines: 1419 1532 92.6 %
Date: 2025-12-08 09:22:00 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 8039492
F2m_copy 200560
F2m_flip 1554208
F2m_set 798
F2v_clear 12357498
F2v_coeff 661335693
F2v_copy 4487
F2v_ei 42
F2v_flip 1554208
F2v_set 101405604
F2v_to_F2x 37873
F2xX_shift 0
F2x_clear 12357495
F2x_coeff 667937038
F2x_copy 60423073
F2x_div 1570532
F2x_equal 4658353
F2x_equal1 2874108
F2x_flip 1554208
F2x_renormalize 115171911
F2x_set 124738120
F2xqX_div 33173
F3m_coeff 3256768
F3m_copy 0
F3m_set 0
Flm_copy 6435581
Flm_row 8742518
Flv_copy 2555206
Flx_constant 334020
Flx_copy 173812388
Flx_div 1999134
Flx_div_pre 21714518
Flx_equal1 8331193
Flx_lead 980370
Flx_mulu 1105476
FlxqX_div 0
FlxqX_div_pre 165411
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693042
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5582919
FpX_renormalize 144585677
Fp_add 181361166
Fp_addmul 11329553
Fp_center 77246793
Fp_center_i 18061510
Fp_div 15035211
Fp_divu 15129705
Fp_double 22199163
Fp_halve 247348
Fp_inv 23444344
Fp_invsafe 1100560
Fp_mul 200998677
Fp_muls 17780
Fp_mulu 67595992
Fp_neg 31482004
Fp_red 82087799
Fp_sqr 64264133
Fp_sub 203311517
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 572227
FqX_Fq_mul 427287
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38568
FqX_div_by_X_x 69629
FqX_divrem 0
FqX_extgcd 445098
FqX_factor 141079
FqX_factor_squarefree 7
FqX_gcd 8288
FqX_get_red 6090
FqX_halfgcd 0
FqX_halve 19411
FqX_integ 0
FqX_is_squarefree 683802
FqX_mul 367830
FqX_mulu 21942
FqX_neg 24956
FqX_normalize 4144
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 3106506
Fq_to_FpXQ 73792
GENbinbase 964565079
QV_isscalar 54418805
Q_abs 8064303
Q_abs_shallow 120252
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622141
RgC_gtofp 34043689
RgC_gtomp 574
RgM_dimensions 9742762
RgM_fpnorml2 22795
RgM_gtofp 8259909
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22179150
RgV_gtofp 56
RgV_is_QV 140786
RgV_is_ZV 32167326
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210305
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103409248
RgX_div 7000740
RgX_equal_var 26883212
RgX_fpnorml2 61629
RgX_gtofp 7147826
RgX_is_QX 400148
RgX_is_ZX 22425990
RgX_is_monomial 1331722
RgX_is_rational 68324
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
RgX_to_RgV 140
Rg_col_ei 1451774
Rg_to_Fq 756
ZC_hnfrem 10696776
ZM_ZV_mod 596664
ZM_hnfrem 363869
ZM_lll 7117873
ZV_ZV_mod 8131586
ZV_dvd 23485
ZV_isscalar 23236261
ZV_to_zv 3211422
ZXQ_mul 2162196
ZXQ_sqr 961158
ZX_equal1 12893
ZX_is_monic 7376202
ZX_renormalize 155026238
Z_ispower 98
Z_issquare 458924
abgrp_get_cyc 12231314
abgrp_get_gen 1765125
abgrp_get_no 355200
absfrac 46644653
absfrac_shallow 28237
addmuliu 535827
addmuliu_inplace 59702834
affc_fixlg 249620
affgr 898866
bid_get_MOD 2157273
bid_get_U 3680249
bid_get_arch 41188
bid_get_archp 2397099
bid_get_cyc 5739796
bid_get_fact 2498946
bid_get_fact2 2201593
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804651
bid_get_ideal 72842
bid_get_mod 1521922
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2158001
bin_copy 497441392
bit_accuracy 3163702292
bit_accuracy_mul 3175472
bit_prec 142844336
bnf_get_clgp 5375664
bnf_get_cyc 3686697
bnf_get_fu 25859
bnf_get_fu_nocheck 289089
bnf_get_gen 1680413
bnf_get_logfu 2874803
bnf_get_nf 9865073
bnf_get_no 8379
bnf_get_reg 648
bnf_get_sunits 1367841
bnf_get_tuN 282998
bnf_get_tuU 303575
bnr_get_bid 2046145
bnr_get_bnf 3751405
bnr_get_clgp 2830290
bnr_get_cyc 2522601
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77147
bnr_get_nf 1368175
bnr_get_no 277500
both_odd 123867934
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975455
cgiv 102283267
checkell_i 5593271
closure_arity 371401496
closure_codestr 321554485
closure_get_code 0
closure_get_data 321490151
closure_get_dbg 13621
closure_get_frame 14173857
closure_get_oper 321523376
closure_get_text 37051
closure_is_variadic 44826942
col_ei 5927123
coltrunc_init 740250
const_col 9730268
const_vec 34489474
const_vecsmall 19711914
constant_coeff 1441416
cxcompotor 18220814
cxnorm 91221701
cxtofp 9084585
cxtoreal 337202
cyc_get_expo 2757838
cyclic_perm 99911
dbllog2r 92830936
degpol 5499277297
div_content 58574
divsBIL 8096773254
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997077
ell_get_a2 7106187
ell_get_a3 8814045
ell_get_a4 8536728
ell_get_a6 10370966
ell_get_b2 7371020
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11017871
ell_get_c6 13474243
ell_get_disc 16814956
ell_get_j 2126227
ell_get_type 12499245
ell_is_inf 52483626
ellff_get_a4a6 800023
ellff_get_field 2036862
ellinf 1869481
ellnf_get_bnf 126
ellnf_get_nf 2027641
equali1 1175732768
equalim1 139505872
err_get_compo 294
err_get_num 62522
gaddgs 123248613
gal_get_den 27880
gal_get_e 91
gal_get_gen 15449
gal_get_group 80402
gal_get_invvdm 27888
gal_get_mod 23772
gal_get_orders 6678
gal_get_p 6020
gal_get_pol 36344
gal_get_roots 32760
gc_GEN 256250980
gc_INT 4110397633
gc_INT_affii 8497936
gc_all 110027587
gc_leaf 1132516495
gc_slice 2205003
gc_upto 1951254221
gchar_copy_precs 1225
gchar_get_DLdata 190673
gchar_get_S 36995
gchar_get_U 0
gchar_get_Ui 10983
gchar_get_basis 32816
gchar_get_bnf 205373
gchar_get_cyc 16177
gchar_get_evalprec 4011
gchar_get_hnf 0
gchar_get_loccyc 50519
gchar_get_m0 3318
gchar_get_mod 8225
gchar_get_modP 4095
gchar_get_nalg 2044
gchar_get_nc 37261
gchar_get_nf 243946
gchar_get_nfprec 13468
gchar_get_nfree 322
gchar_get_nm 1869
gchar_get_ns 36995
gchar_get_ntors 322
gchar_get_prec 18795
gchar_get_r1 17444
gchar_get_r2 623
gchar_get_sfu 1743
gchar_get_u0 4252
gchar_get_zm 281911
gchar_set_HUUi 630
gchar_set_basis 1575
gchar_set_cyc 1575
gchar_set_evalprec 1813
gchar_set_m0 945
gchar_set_nalg 630
gchar_set_nf 2110
gchar_set_nfprec 2968
gchar_set_nfree 630
gchar_set_ntors 630
gchar_set_prec 1225
gchar_set_u0 2121
gcmpgs 761923
gdivsg 531590
gen_I 1269827
gener_Fq_local 29946
gequalgs 29176
get_F2x_degree 1929074
get_F2x_mod 2499234
get_F2x_var 2534248
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82274336
get_Flx_mod 25609714
get_Flx_var 68413871
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 6424879
get_FpX_mod 3394574
get_FpX_var 6957939
gisdouble 2993026
gmax_shallow 13510227
gmaxsg 0
gmin_shallow 878365
gminsg 0
gmulgs 22601863
gmulgu 282059385
gsubgs 1724783
gtodouble 60798492
gtofp 254392959
gtomp 22428
gtos 85854577
gtou 98313
guncloneNULL 48227221
guncloneNULL_deep 1441467
gval 6230
hash_str 2756815
hash_str_len 31551590
icopy_avma 8042273550
idealchineseinit 5427
idealred 138713
identity_ZV 8113
identity_perm 3242930
identity_zv 3267281
inf_get_sign 1453093
inv_content 0
is_bigint 562982568
is_const_t 4895141831
is_extscalar_t 6876
is_intreal_t 9586594
is_matvec_t 659496843
is_noncalc_t 85878892
is_pm1 2203965129
is_qfb_t 0
is_rational_t 5035643
is_real_t 62063901
is_recursive_t 9240232306
is_scalar_t 375677946
is_universal_constant 325909742
is_vec_t 43951813
isint1 17587111
isintm1 5711149
isintzero 2843464720
ismpzero 9586485
isonstack 8265018163
killblock 1930363
leading_coeff 170556372
leafcopy_avma 577134787
lg_increase 317908578
lgcols 350857452
lgpol 2681176237
lincombii 38227394
locs_get_Lgenfil 1288
locs_get_Lsprk 193935
locs_get_cyc 52136
locs_get_famod 1288
locs_get_m_infty 209475
locs_get_mod 8225
logint 754901
matpascal 3983
matslice 16824044
mkcol 10641625
mkcol2 156895636
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33539
mkcols 40411
mkcomplex 91629571
mkerr 0
mkfrac 41644117
mkfraccopy 4999567
mkfracss 1209563
mkintmod 8092563
mkintmodu 1813
mkmat 4751455
mkmat2 33663718
mkmat22 50285479
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122275
mkmoo 108861
mkoo 1331968
mkpadic 2009
mkpolmod 3105223
mkqfb 27928705
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71159381
mkvec2 184989968
mkvec2copy 114620
mkvec2s 220438
mkvec3 117708552
mkvec3s 524441
mkvec4 10107035
mkvec4s 21
mkvec5 15187127
mkveccopy 122521
mkvecs 168
mkvecsmall 131703977
mkvecsmall2 233658135
mkvecsmall3 104049563
mkvecsmall4 17826857
mkvecsmall5 1731098
modpr_get_T 13867954
modpr_get_p 1888614
modpr_get_pr 31238893
mul_content 2655042
mul_denom 10713564
mulsubii 3882661
nbits2extraprec 1456954049
nbits2ndec 228
nbits2nlong 12678694
nbits2prec 186156364
nbrows 157539089
nchar2nlong 127437994
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26300
nf_get_G 304165
nf_get_M 21308761
nf_get_Tr 22083
nf_get_degree 71371329
nf_get_diff 4459
nf_get_disc 463980
nf_get_index 3712393
nf_get_invzk 9769462
nf_get_pol 98085622
nf_get_r1 23029283
nf_get_r2 4154
nf_get_ramified_primes 64855
nf_get_roots 1628505
nf_get_roundG 1747493
nf_get_sign 519564
nf_get_varn 1503784
nf_get_zk 4382
nf_get_zkden 5464238
nf_get_zkprimpart 5418373
normalize_frac 17206793
odd 2085036972
pari_calloc 47699
pari_err_BUG 14
pari_err_COMPONENT 214
pari_err_CONSTPOL 21
pari_err_COPRIME 84
pari_err_DIM 718
pari_err_DOMAIN 2862
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 15370
pari_err_TYPE2 3493
pari_err_VAR 371
pari_free 510848105
pari_malloc 746741994
pari_realloc 1890
pari_realloc_ip 2269076
pari_stack_alloc 1019754917
pari_stack_base 1025355668
pari_stack_delete 5623411
pari_stack_init 6087058
pari_stack_new 925062448
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782994
perm_mul 80934793
perm_sqr 728
pol0_F2x 13246537
pol0_Flx 103528971
pol1_F2x 3958210
pol1_Flx 55092226
pol_0 83002250
pol_1 3756676
pol_x 3858365
pol_xn 2249939
pol_xnall 294
polx_F2x 1078698
polx_Flx 37838873
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43178803
pr_get_e 16105539
pr_get_f 26350632
pr_get_gen 12069710
pr_get_p 92491747
pr_get_tau 49577830
pr_is_inert 17150606
pr_norm 1090241
prec2lg 4468707626
prec2nbits 103968062
prec2nbits_mul 581166
prec2ndec 9778
precdbl 475513
qfb_disc 18514482
qfb_disc3 4995297
qfb_is_qfi 62936768
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8006830908
rnf_get_absdegree 1392746
rnf_get_alpha 1428
rnf_get_degree 2506307
rnf_get_disc 357
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 2845164
rnf_get_polabs 327628
rnf_get_ramified_primes 2849
rnf_get_varn 574
rnf_get_zk 4830
row 764016
row_i 987
rowcopy 204988
rowpermute 14710834
rowslice 79354679
rowslicepermute 184746
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27643032
sqrfrac 4148057
sqrti 6666923
sqrtnr 2809674
sqrtr 80385255
sstoQ 1097215
sturm 385
submulii 32848628
submuliu 7742
submuliu_inplace 60191678
truecoef 0
trunc_safe 0
ulogint 1722618
upr_norm 346134
uutoQ 1600198
vec_append 3465701
vec_ei 1714749
vec_lengthen 18946
vec_prepend 313992
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036856
veclast 9372762
vecmodii 0
vecmoduu 49784
vecpermute 20545014
vecreverse 697235
vecreverse_inplace 2605
vecslice 656251283
vecslicepermute 2690905
vecsmall_append 4111388
vecsmall_coincidence 0
vecsmall_concat 1464438
vecsmall_copy 4404948
vecsmall_ei 584699
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043259
vecsmall_max 1164728
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186998
vecsmall_reverse 3066
vecsmall_shorten 74582
vecsmall_to_col 7838488
vecsmall_to_vec 511865
vecsmall_to_vec_inplace 3304
vecsmallpermute 78739077
vecsmalltrunc_append 101548299
vecsmalltrunc_init 190005965
vecsplice 384926
vectrunc_append 16160595
vectrunc_append_batch 12306
vectrunc_init 12066368
zc_to_ZC 7824306
zero_F2m 0
zero_F2m_copy 845236
zero_F2v 3648464
zero_F2x 1350
zero_Flm 2830499
zero_Flm_copy 235947
zero_Flv 59572696
zero_Flx 1426724
zero_zm 0
zero_zv 36746800
zero_zx 0
zerocol 122360039
zeromat 109143
zeromatcopy 14251876
zeropadic 855667
zeropadic_shallow 17024
zeropol 42358680
zeroser 138908
zerovec 28455832
zerovec_block 28947
zm_copy 0
zm_row 0
zm_to_zxV 0
zm_transpose 266
znstar_get_N 38655073
znstar_get_U 176107
znstar_get_Ui 46788
znstar_get_conreycyc 7979693
znstar_get_conreygen 3290176
znstar_get_cyc 262088
znstar_get_faN 7331711
znstar_get_gen 16150
znstar_get_no 14
znstar_get_pe 2869063
zv_copy 2183945
zv_to_ZV 503066
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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