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 30530-11e908049b) Lines: 1420 1532 92.7 %
Date: 2025-10-13 09:22:58 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 8038862
F2m_copy 200504
F2m_flip 1554050
F2m_set 798
F2v_clear 12355378
F2v_coeff 661327628
F2v_copy 4487
F2v_ei 42
F2v_flip 1554050
F2v_set 101403979
F2v_to_F2x 37820
F2xX_shift 0
F2x_clear 12355373
F2x_coeff 667899556
F2x_copy 60414361
F2x_div 1569593
F2x_equal 4657033
F2x_equal1 2874237
F2x_flip 1554050
F2x_renormalize 115233693
F2x_set 124748871
F2xqX_div 33173
F3m_coeff 3256771
F3m_copy 0
F3m_set 0
Flm_copy 6433540
Flm_row 8742526
Flv_copy 2555415
Flx_constant 333155
Flx_copy 173780590
Flx_div 1999047
Flx_div_pre 21702850
Flx_equal1 8327432
Flx_lead 980917
Flx_mulu 1105222
FlxqX_div 0
FlxqX_div_pre 165415
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693280
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5581093
FpX_renormalize 144582701
Fp_add 181506116
Fp_addmul 11358267
Fp_center 77222249
Fp_center_i 18059570
Fp_div 15035643
Fp_divu 15135401
Fp_double 22270286
Fp_halve 247348
Fp_inv 23437550
Fp_invsafe 1100348
Fp_mul 201063985
Fp_muls 17780
Fp_mulu 68673193
Fp_neg 30905026
Fp_red 82092123
Fp_sqr 64518508
Fp_sub 203502512
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 572124
FqX_Fq_mul 427293
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38548
FqX_div_by_X_x 69629
FqX_divrem 0
FqX_extgcd 445048
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 367815
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 3106467
Fq_to_FpXQ 73792
GENbinbase 964235532
QV_isscalar 54401584
Q_abs 8062692
Q_abs_shallow 120248
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622062
RgC_gtofp 34010920
RgC_gtomp 574
RgM_dimensions 9742230
RgM_fpnorml2 22781
RgM_gtofp 8252417
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22169729
RgV_gtofp 56
RgV_is_QV 140759
RgV_is_ZV 32164052
RgV_isin 110130
RgV_isin_i 110130
RgV_isscalar 1210304
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669371
RgX_copy 103404865
RgX_div 7000740
RgX_equal_var 26880633
RgX_fpnorml2 61607
RgX_gtofp 7147671
RgX_is_QX 400134
RgX_is_ZX 22421813
RgX_is_monomial 1331221
RgX_is_rational 68306
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479399
RgX_shift_inplace_init 479399
RgX_to_RgV 140
Rg_col_ei 1451299
Rg_to_Fq 756
ZC_hnfrem 10690826
ZM_ZV_mod 596609
ZM_hnfrem 363837
ZM_lll 7112513
ZV_ZV_mod 8131234
ZV_dvd 23485
ZV_isscalar 23098524
ZV_to_zv 3211415
ZXQ_mul 2162064
ZXQ_sqr 961082
ZX_equal1 12711
ZX_is_monic 7376001
ZX_renormalize 155044038
Z_ispower 98
Z_issquare 458926
abgrp_get_cyc 12230133
abgrp_get_gen 1765025
abgrp_get_no 355186
absfrac 46637849
absfrac_shallow 28237
addmuliu 541083
addmuliu_inplace 59770942
affc_fixlg 249595
affgr 898817
bid_get_MOD 2157249
bid_get_U 3680226
bid_get_arch 41188
bid_get_archp 2397061
bid_get_cyc 5739514
bid_get_fact 2498886
bid_get_fact2 2201569
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804359
bid_get_ideal 72842
bid_get_mod 1521921
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157975
bin_copy 497268648
bit_accuracy 3163269710
bit_accuracy_mul 3175454
bit_prec 143006532
bnf_get_clgp 5374922
bnf_get_cyc 3686066
bnf_get_fu 25859
bnf_get_fu_nocheck 289069
bnf_get_gen 1680314
bnf_get_logfu 2874710
bnf_get_nf 9863689
bnf_get_no 8372
bnf_get_reg 648
bnf_get_sunits 1367780
bnf_get_tuN 283000
bnf_get_tuU 303574
bnr_get_bid 2045845
bnr_get_bnf 3750906
bnr_get_clgp 2830015
bnr_get_cyc 2522340
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77119
bnr_get_nf 1368107
bnr_get_no 277494
both_odd 124017331
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975624
cgiv 102120530
checkell_i 5593253
closure_arity 371106080
closure_codestr 321256879
closure_get_code 0
closure_get_data 321211320
closure_get_dbg 13621
closure_get_frame 14147496
closure_get_oper 321236311
closure_get_text 37051
closure_is_variadic 40152682
col_ei 5925889
coltrunc_init 740250
const_col 9729856
const_vec 34470379
const_vecsmall 19663434
constant_coeff 1441492
cxcompotor 18217287
cxnorm 90943052
cxtofp 9082862
cxtoreal 337179
cyc_get_expo 2757769
cyclic_perm 99911
dbllog2r 94009631
degpol 5509721957
div_content 58476
divsBIL 8170822054
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8996367
ell_get_a2 7105469
ell_get_a3 8813335
ell_get_a4 8536010
ell_get_a6 10370248
ell_get_b2 7369845
ell_get_b4 2549033
ell_get_b6 3861932
ell_get_b8 3297414
ell_get_c4 10728601
ell_get_c6 12891974
ell_get_disc 16525496
ell_get_j 2126227
ell_get_type 12499199
ell_is_inf 52482832
ellff_get_a4a6 800027
ellff_get_field 2036858
ellinf 1868504
ellnf_get_bnf 126
ellnf_get_nf 2027601
equali1 1175155367
equalim1 139504129
err_get_compo 294
err_get_num 62530
gaddgs 123245777
gal_get_den 27874
gal_get_e 91
gal_get_gen 15449
gal_get_group 80395
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 256171267
gc_INT 4103896227
gc_INT_affii 8491188
gc_all 109991724
gc_leaf 1135471917
gc_slice 2204876
gc_upto 1949552136
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 243932
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 761928
gdivsg 531335
gen_I 1269855
gener_Fq_local 29932
gequalgs 29176
get_F2x_degree 1929001
get_F2x_mod 2499276
get_F2x_var 2534130
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82997435
get_Flx_mod 25598541
get_Flx_var 68354704
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 6424456
get_FpX_mod 3394309
get_FpX_var 6957852
gisdouble 2987641
gmax_shallow 13510220
gmaxsg 0
gmin_shallow 878290
gminsg 0
gmulgs 22468577
gmulgu 282058132
gsubgs 1724194
gtodouble 60760405
gtofp 254228910
gtomp 22428
gtos 85833285
gtou 98321
guncloneNULL 48154382
guncloneNULL_deep 1386249
gval 5824
hash_str 2754915
hash_str_len 31542944
icopy_avma 8035364120
idealchineseinit 5427
idealred 138513
identity_ZV 8113
identity_perm 3242388
identity_zv 3266738
inf_get_sign 1453055
inv_content 0
is_bigint 562545770
is_const_t 4890552386
is_extscalar_t 6876
is_intreal_t 9583751
is_matvec_t 659779723
is_noncalc_t 85862141
is_pm1 2202739709
is_qfb_t 0
is_rational_t 5035217
is_real_t 62659213
is_recursive_t 9244804257
is_scalar_t 375642994
is_universal_constant 325755406
is_vec_t 43951411
isint1 17571911
isintm1 5704256
isintzero 2838657193
ismpzero 9583649
isonstack 8258137187
killblock 1900632
leading_coeff 170555016
leafcopy_avma 576746370
lg_increase 316622664
lgcols 350240296
lgpol 2687693563
lincombii 38198805
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 755035
matpascal 3885
matslice 16817962
mkcol 10641015
mkcol2 156922675
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33497
mkcols 40411
mkcomplex 91630726
mkerr 0
mkfrac 41634916
mkfraccopy 4999063
mkfracss 1209563
mkintmod 8092609
mkintmodu 1813
mkmat 4750879
mkmat2 33658549
mkmat22 50282597
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122249
mkmoo 108852
mkoo 1331947
mkpadic 2009
mkpolmod 3105020
mkqfb 27919883
mkquad 69118
mkrfrac 698152
mkrfraccopy 14
mkvec 71137677
mkvec2 185115142
mkvec2copy 114569
mkvec2s 220417
mkvec3 120059027
mkvec3s 524441
mkvec4 10105894
mkvec4s 21
mkvec5 15184865
mkveccopy 122521
mkvecs 168
mkvecsmall 131662840
mkvecsmall2 233603458
mkvecsmall3 104047943
mkvecsmall4 17829579
mkvecsmall5 1730605
modpr_get_T 13867552
modpr_get_p 1888430
modpr_get_pr 31237992
mul_content 2654152
mul_denom 10710033
mulsubii 3881623
nbits2extraprec 1498692345
nbits2ndec 228
nbits2nlong 12646271
nbits2prec 187632466
nbrows 157466953
nchar2nlong 127392227
ndec2nbits 8270
ndec2nlong 41507
ndec2prec 33237
nfV_to_scalar_or_alg 26299
nf_get_G 303577
nf_get_M 21172367
nf_get_Tr 22081
nf_get_degree 71351012
nf_get_diff 4438
nf_get_disc 463870
nf_get_index 3711313
nf_get_invzk 9765361
nf_get_pol 98056691
nf_get_r1 22892739
nf_get_r2 4154
nf_get_ramified_primes 64813
nf_get_roots 1627833
nf_get_roundG 1746591
nf_get_sign 519552
nf_get_varn 1503587
nf_get_zk 4382
nf_get_zkden 5462143
nf_get_zkprimpart 5416248
normalize_frac 17204667
odd 2085118244
pari_calloc 47671
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 510584560
pari_malloc 746521648
pari_realloc 1890
pari_realloc_ip 2180453
pari_stack_alloc 1019209238
pari_stack_base 1024578980
pari_stack_delete 5387596
pari_stack_init 5835621
pari_stack_new 924601027
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782873
perm_mul 80927130
perm_sqr 728
pol0_F2x 13240727
pol0_Flx 103500427
pol1_F2x 3957655
pol1_Flx 55054203
pol_0 82998283
pol_1 3756364
pol_x 3856751
pol_xn 2249957
pol_xnall 294
polx_F2x 1078286
polx_Flx 37825479
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43176750
pr_get_e 15952651
pr_get_f 26041257
pr_get_gen 12062212
pr_get_p 91708701
pr_get_tau 48871740
pr_is_inert 16910123
pr_norm 1088605
prec2lg 4514834261
prec2nbits 105719885
prec2nbits_mul 581138
prec2ndec 9778
precdbl 475513
qfb_disc 18514467
qfb_disc3 4990873
qfb_is_qfi 62950821
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8081178712
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 764012
row_i 987
rowcopy 204988
rowpermute 14709410
rowslice 79339778
rowslicepermute 184880
rowsplice 273
ser_isexactzero 10079479
shallowcopy 27639548
sqrfrac 4147641
sqrti 6665666
sqrtnr 2807609
sqrtr 80368083
sstoQ 1097215
sturm 385
submulii 32847018
submuliu 7742
submuliu_inplace 60263454
truecoef 0
trunc_safe 0
ulogint 1724015
upr_norm 346134
uutoQ 1600142
vec_append 3465602
vec_ei 1714632
vec_lengthen 18946
vec_prepend 313994
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036841
veclast 9372661
vecmodii 0
vecmoduu 49784
vecpermute 20531654
vecreverse 697235
vecreverse_inplace 2605
vecslice 656023179
vecslicepermute 2690079
vecsmall_append 4111384
vecsmall_coincidence 0
vecsmall_concat 1464437
vecsmall_copy 4404235
vecsmall_ei 584699
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043259
vecsmall_max 1164625
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186991
vecsmall_reverse 3052
vecsmall_shorten 74576
vecsmall_to_col 7838007
vecsmall_to_vec 511585
vecsmall_to_vec_inplace 3304
vecsmallpermute 78731554
vecsmalltrunc_append 101441128
vecsmalltrunc_init 190299757
vecsplice 384905
vectrunc_append 16161149
vectrunc_append_batch 12306
vectrunc_init 12065719
zc_to_ZC 7823828
zero_F2m 0
zero_F2m_copy 845115
zero_F2v 3648094
zero_F2x 1350
zero_Flm 2829992
zero_Flm_copy 235923
zero_Flv 59496246
zero_Flx 1427028
zero_zm 0
zero_zv 36737088
zero_zx 0
zerocol 122286272
zeromat 109100
zeromatcopy 14240382
zeropadic 855749
zeropadic_shallow 17024
zeropol 42358568
zeroser 138824
zerovec 28455402
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 2184154
zv_to_ZV 503010
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

Generated by: LCOV version 1.16