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 30574-595e4ba651) Lines: 1420 1532 92.7 %
Date: 2025-12-18 09:22:54 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 8038938
F2m_copy 200553
F2m_flip 1553923
F2m_set 798
F2v_clear 12356878
F2v_coeff 661331986
F2v_copy 4487
F2v_ei 42
F2v_flip 1553923
F2v_set 101405044
F2v_to_F2x 37834
F2xX_shift 0
F2x_clear 12356864
F2x_coeff 667969324
F2x_copy 60443706
F2x_div 1570114
F2x_equal 4659187
F2x_equal1 2874060
F2x_flip 1553923
F2x_renormalize 115209838
F2x_set 124760957
F2xqX_div 33173
F3m_coeff 3256663
F3m_copy 0
F3m_set 0
Flm_copy 6435479
Flm_row 8742147
Flv_copy 2555263
Flx_constant 334020
Flx_copy 173841159
Flx_div 1999137
Flx_div_pre 21717617
Flx_equal1 8331345
Flx_lead 979773
Flx_mulu 1105496
FlxqX_div 0
FlxqX_div_pre 165411
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693460
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5583065
FpX_renormalize 144596994
Fp_add 181809254
Fp_addmul 11433448
Fp_center 77241891
Fp_center_i 18063979
Fp_div 15035434
Fp_divu 15129955
Fp_double 22437704
Fp_halve 247348
Fp_inv 23444719
Fp_invsafe 1100562
Fp_mul 201191968
Fp_muls 17780
Fp_mulu 66586936
Fp_neg 31483765
Fp_red 82090437
Fp_sqr 65319935
Fp_sub 204350112
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 572223
FqX_Fq_mul 427288
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 445095
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 367826
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 3106454
Fq_to_FpXQ 73792
GENbinbase 964581230
QV_isscalar 54418780
Q_abs 8064382
Q_abs_shallow 120242
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622150
RgC_gtofp 34041621
RgC_gtomp 574
RgM_dimensions 9742772
RgM_fpnorml2 22795
RgM_gtofp 8259564
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22179149
RgV_gtofp 56
RgV_is_QV 140790
RgV_is_ZV 32167324
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210304
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103409387
RgX_div 7000740
RgX_equal_var 26883219
RgX_fpnorml2 61629
RgX_gtofp 7148276
RgX_is_QX 400155
RgX_is_ZX 22426211
RgX_is_monomial 1331803
RgX_is_rational 68326
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
RgX_to_RgV 140
Rg_col_ei 1451686
Rg_to_Fq 756
ZC_hnfrem 10696958
ZM_ZV_mod 596681
ZM_hnfrem 363882
ZM_lll 7117655
ZV_ZV_mod 8131699
ZV_dvd 23485
ZV_isscalar 23235882
ZV_to_zv 3211420
ZXQ_mul 2162184
ZXQ_sqr 961152
ZX_equal1 12893
ZX_is_monic 7376196
ZX_renormalize 155066867
Z_ispower 98
Z_issquare 458924
abgrp_get_cyc 12231351
abgrp_get_gen 1765114
abgrp_get_no 355198
absfrac 46644877
absfrac_shallow 28237
addmuliu 535854
addmuliu_inplace 59710008
affc_fixlg 249623
affgr 898866
bid_get_MOD 2157261
bid_get_U 3680240
bid_get_arch 41187
bid_get_archp 2397102
bid_get_cyc 5739801
bid_get_fact 2498964
bid_get_fact2 2201581
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804657
bid_get_ideal 72842
bid_get_mod 1521920
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157992
bin_copy 497451025
bit_accuracy 3164274410
bit_accuracy_mul 3175472
bit_prec 142847330
bnf_get_clgp 5375637
bnf_get_cyc 3686685
bnf_get_fu 25859
bnf_get_fu_nocheck 289092
bnf_get_gen 1680403
bnf_get_logfu 2874800
bnf_get_nf 9865047
bnf_get_no 8379
bnf_get_reg 648
bnf_get_sunits 1367845
bnf_get_tuN 283012
bnf_get_tuU 303584
bnr_get_bid 2046130
bnr_get_bnf 3751390
bnr_get_clgp 2830307
bnr_get_cyc 2522623
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77147
bnr_get_nf 1368174
bnr_get_no 277498
both_odd 124078303
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975458
cgiv 102286932
checkell_i 5593422
closure_arity 371407730
closure_codestr 321525881
closure_get_code 0
closure_get_data 321484048
closure_get_dbg 13621
closure_get_frame 14173803
closure_get_oper 321507680
closure_get_text 37051
closure_is_variadic 44826963
col_ei 5927073
coltrunc_init 740250
const_col 9730283
const_vec 34492235
const_vecsmall 19711896
constant_coeff 1441417
cxcompotor 18223678
cxnorm 91223052
cxtofp 9085991
cxtoreal 337205
cyc_get_expo 2757856
cyclic_perm 99911
dbllog2r 92836839
degpol 5494617709
div_content 58576
divsBIL 8098756681
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997097
ell_get_a2 7106190
ell_get_a3 8814065
ell_get_a4 8536731
ell_get_a6 10370969
ell_get_b2 7371037
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11018184
ell_get_c6 13474532
ell_get_disc 16815439
ell_get_j 2126227
ell_get_type 12499482
ell_is_inf 52526881
ellff_get_a4a6 800043
ellff_get_field 2036888
ellinf 1869626
ellnf_get_bnf 126
ellnf_get_nf 2027637
equali1 1175757880
equalim1 139505831
err_get_compo 294
err_get_num 62522
gaddgs 123248603
gal_get_den 27881
gal_get_e 91
gal_get_gen 15449
gal_get_group 80401
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 256272733
gc_INT 4111345639
gc_INT_affii 8502768
gc_all 110028706
gc_leaf 1130366876
gc_slice 2205159
gc_upto 1951373146
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 761909
gdivsg 531592
gen_I 1269855
gener_Fq_local 29946
gequalgs 29176
get_F2x_degree 1929089
get_F2x_mod 2499226
get_F2x_var 2534287
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 81662170
get_Flx_mod 25612404
get_Flx_var 68422390
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 6424884
get_FpX_mod 3394585
get_FpX_var 6958203
gisdouble 2992831
gmax_shallow 13510228
gmaxsg 0
gmin_shallow 878400
gminsg 0
gmulgs 22588356
gmulgu 282059385
gsubgs 1724787
gtodouble 60803278
gtofp 254380329
gtomp 22428
gtos 85854577
gtou 98312
guncloneNULL 48220247
guncloneNULL_deep 1434551
gval 6230
hash_str 2756815
hash_str_len 31551694
icopy_avma 8043190556
idealchineseinit 5427
idealred 138710
identity_ZV 8113
identity_perm 3242846
identity_zv 3267196
inf_get_sign 1453190
inv_content 0
is_bigint 562992666
is_const_t 4896279034
is_extscalar_t 6876
is_intreal_t 9586567
is_matvec_t 659454138
is_noncalc_t 85877669
is_pm1 2203060948
is_qfb_t 0
is_rational_t 5035657
is_real_t 62063576
is_recursive_t 9240598255
is_scalar_t 375679211
is_universal_constant 325810884
is_vec_t 43960250
isint1 17587453
isintm1 5711370
isintzero 2843688859
ismpzero 9586464
isonstack 8263978110
killblock 1927722
leading_coeff 170557899
leafcopy_avma 577692337
lg_increase 323310740
lgcols 350856771
lgpol 2678744396
lincombii 38217600
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 754908
matpascal 3983
matslice 16823542
mkcol 10641636
mkcol2 156910738
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33542
mkcols 40411
mkcomplex 91644456
mkerr 0
mkfrac 41643486
mkfraccopy 4999607
mkfracss 1209563
mkintmod 8092772
mkintmodu 1813
mkmat 4751461
mkmat2 33663267
mkmat22 50287626
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122266
mkmoo 108862
mkoo 1332067
mkpadic 2009
mkpolmod 3105226
mkqfb 27928358
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71166254
mkvec2 186548955
mkvec2copy 114619
mkvec2s 220440
mkvec3 115857094
mkvec3s 524441
mkvec4 10107057
mkvec4s 21
mkvec5 15187140
mkveccopy 122521
mkvecs 168
mkvecsmall 131722048
mkvecsmall2 233698401
mkvecsmall3 104055007
mkvecsmall4 17834886
mkvecsmall5 1731128
modpr_get_T 13868005
modpr_get_p 1888614
modpr_get_pr 31239008
mul_content 2655003
mul_denom 10713390
mulsubii 3883168
nbits2extraprec 1457088121
nbits2ndec 228
nbits2nlong 12681781
nbits2prec 186158918
nbrows 157535690
nchar2nlong 127436933
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26300
nf_get_G 304155
nf_get_M 21308417
nf_get_Tr 22082
nf_get_degree 71371352
nf_get_diff 4459
nf_get_disc 463976
nf_get_index 3712356
nf_get_invzk 9769528
nf_get_pol 98085997
nf_get_r1 23028917
nf_get_r2 4154
nf_get_ramified_primes 64854
nf_get_roots 1628475
nf_get_roundG 1747480
nf_get_sign 519566
nf_get_varn 1503792
nf_get_zk 4382
nf_get_zkden 5464252
nf_get_zkprimpart 5418471
normalize_frac 17206671
odd 2086252838
pari_calloc 47713
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 510851041
pari_malloc 746752130
pari_realloc 1890
pari_realloc_ip 2268906
pari_stack_alloc 1019666661
pari_stack_base 1025269366
pari_stack_delete 5605841
pari_stack_init 6086499
pari_stack_new 924984687
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782931
perm_mul 80932632
perm_sqr 728
pol0_F2x 13248861
pol0_Flx 103545149
pol1_F2x 3958602
pol1_Flx 55100182
pol_0 83002211
pol_1 3756654
pol_x 3858490
pol_xn 2249961
pol_xnall 294
polx_F2x 1078503
polx_Flx 37836533
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43178746
pr_get_e 16105323
pr_get_f 26350212
pr_get_gen 12069646
pr_get_p 92491195
pr_get_tau 49577381
pr_is_inert 17150436
pr_norm 1090189
prec2lg 4469446918
prec2nbits 103972074
prec2nbits_mul 581165
prec2ndec 9778
precdbl 475542
qfb_disc 18514506
qfb_disc3 4995128
qfb_is_qfi 62950162
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8008681262
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 764014
row_i 987
rowcopy 204988
rowpermute 14710827
rowslice 79355669
rowslicepermute 184920
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27643233
sqrfrac 4148221
sqrti 6666964
sqrtnr 2809640
sqrtr 80387803
sstoQ 1097215
sturm 385
submulii 32848628
submuliu 7742
submuliu_inplace 60203710
truecoef 0
trunc_safe 0
ulogint 1730392
upr_norm 346135
uutoQ 1600198
vec_append 3465697
vec_ei 1714746
vec_lengthen 18946
vec_prepend 313988
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036862
veclast 9372765
vecmodii 0
vecmoduu 49784
vecpermute 20546636
vecreverse 697235
vecreverse_inplace 2605
vecslice 656345902
vecslicepermute 2691308
vecsmall_append 4111360
vecsmall_coincidence 0
vecsmall_concat 1464329
vecsmall_copy 4404966
vecsmall_ei 584721
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043259
vecsmall_max 1164791
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186998
vecsmall_reverse 3066
vecsmall_shorten 74586
vecsmall_to_col 7838753
vecsmall_to_vec 511865
vecsmall_to_vec_inplace 3304
vecsmallpermute 78737096
vecsmalltrunc_append 101499556
vecsmalltrunc_init 193052019
vecsplice 384923
vectrunc_append 16162551
vectrunc_append_batch 12306
vectrunc_init 12066620
zc_to_ZC 7824571
zero_F2m 0
zero_F2m_copy 845219
zero_F2v 3648398
zero_F2x 1350
zero_Flm 2830343
zero_Flm_copy 235945
zero_Flv 59573378
zero_Flx 1426856
zero_zm 0
zero_zv 36747097
zero_zx 0
zerocol 122357340
zeromat 109121
zeromatcopy 14251421
zeropadic 855394
zeropadic_shallow 17024
zeropol 42358606
zeroser 138908
zerovec 28455883
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 2184008
zv_to_ZV 503066
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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