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 30595-a3cd9a95e8) Lines: 1420 1535 92.5 %
Date: 2026-01-04 09:21:39 Functions: 649 707 91.8 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
F2m_clear 0
F2m_coeff 8038681
F2m_copy 200481
F2m_flip 1554187
F2m_set 798
F2v_clear 12353943
F2v_coeff 661321048
F2v_copy 4487
F2v_ei 42
F2v_flip 1554187
F2v_set 101403552
F2v_to_F2x 37891
F2xX_shift 0
F2x_clear 12353939
F2x_coeff 667792413
F2x_copy 60424567
F2x_div 1570620
F2x_equal 4661933
F2x_equal1 2873879
F2x_flip 1554187
F2x_renormalize 115233970
F2x_set 124708887
F2xqX_div 33173
F3m_coeff 3255853
F3m_copy 0
F3m_set 0
Flm_copy 6433448
Flm_row 8740538
Flv_copy 2554886
Flx_constant 334023
Flx_copy 173185286
Flx_div 1998021
Flx_div_pre 21688555
Flx_equal1 8329749
Flx_lead 979262
Flx_mulu 1105419
FlxqX_div 0
FlxqX_div_pre 165409
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4694085
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849917
FpXY_Fq_evaly 20587
FpX_div 5581217
FpX_renormalize 144205868
Fp_add 180943294
Fp_addmul 11211908
Fp_center 77150043
Fp_center_i 18001351
Fp_div 15033802
Fp_divu 15128190
Fp_double 20773254
Fp_halve 247271
Fp_inv 23438429
Fp_invsafe 1100363
Fp_mul 200684303
Fp_muls 17780
Fp_mulu 70372963
Fp_neg 31474804
Fp_red 82188050
Fp_sqr 63302747
Fp_sub 202255675
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 571435
FqX_Fq_mul 427294
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38567
FqX_div_by_X_x 69699
FqX_divrem 0
FqX_extgcd 444662
FqX_factor 140946
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 367705
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 3106320
Fq_to_FpXQ 73652
GENbinbase 961819196
QV_isscalar 54415200
Q_abs 8062606
Q_abs_shallow 120229
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 619845
RgC_gtofp 34030006
RgC_gtomp 574
RgM_dimensions 9741521
RgM_fpnorml2 22662
RgM_gtofp 8257655
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22173869
RgV_gtofp 56
RgV_is_QV 140734
RgV_is_ZV 32158325
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210277
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103406692
RgX_div 7000642
RgX_equal_var 26882974
RgX_fpnorml2 61496
RgX_gtofp 7144929
RgX_is_QX 399937
RgX_is_ZX 22423464
RgX_is_monomial 1331370
RgX_is_rational 68166
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479399
RgX_shift_inplace_init 479399
RgX_to_RgV 140
Rg_col_ei 1451025
Rg_to_Fq 756
ZC_hnfrem 10695830
ZM_ZV_mod 596470
ZM_hnfrem 363789
ZM_lll 7116427
ZV_ZV_mod 8131481
ZV_dvd 23485
ZV_isscalar 23233793
ZV_to_zv 3211407
ZXQ_mul 2161060
ZXQ_sqr 960258
ZX_equal1 12850
ZX_is_monic 7374264
ZX_renormalize 154994848
Z_ispower 98
Z_issquare 458704
abgrp_get_cyc 12230771
abgrp_get_gen 1765024
abgrp_get_no 354934
absfrac 46638605
absfrac_shallow 28237
addmuliu 535673
addmuliu_inplace 59642068
affc_fixlg 249622
affgr 898866
bid_get_MOD 2157248
bid_get_U 3680223
bid_get_arch 41188
bid_get_archp 2397112
bid_get_cyc 5739788
bid_get_fact 2498935
bid_get_fact2 2201572
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804645
bid_get_ideal 72842
bid_get_mod 1521920
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157970
bin_copy 496010803
bit_accuracy 3155974475
bit_accuracy_mul 3175472
bit_prec 142810995
bnf_get_clgp 5374987
bnf_get_cyc 3686139
bnf_get_fu 25859
bnf_get_fu_nocheck 289075
bnf_get_gen 1680310
bnf_get_logfu 2874757
bnf_get_nf 9863842
bnf_get_no 8365
bnf_get_reg 648
bnf_get_sunits 1367773
bnf_get_tuN 282988
bnf_get_tuU 303567
bnr_get_bid 2046099
bnr_get_bnf 3751329
bnr_get_clgp 2830230
bnr_get_cyc 2522563
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77119
bnr_get_nf 1368092
bnr_get_no 277487
both_odd 123900018
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975460
cgiv 102265340
checkell_i 5593237
closure_arity 371330970
closure_codestr 321488727
closure_get_code 0
closure_get_data 321432911
closure_get_dbg 13621
closure_get_frame 14157513
closure_get_oper 321459482
closure_get_text 37051
closure_is_variadic 44789247
col_ei 5924617
coltrunc_init 740250
const_col 9729684
const_vec 34474462
const_vecsmall 19700260
constant_coeff 1441153
cxcompotor 18211684
cxnorm 91196486
cxtofp 9079986
cxtoreal 337207
cyc_get_expo 2757541
cyclic_perm 99911
dbllog2r 92815355
degpol 5508317154
div_content 58518
divsBIL 8088168921
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997065
ell_get_a2 7106173
ell_get_a3 8814030
ell_get_a4 8536714
ell_get_a6 10370952
ell_get_b2 7371020
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11017655
ell_get_c6 13474110
ell_get_disc 16814613
ell_get_j 2126269
ell_get_type 12498749
ell_is_inf 52407651
ellff_get_a4a6 800013
ellff_get_field 2036824
ellinf 1869875
ellnf_get_bnf 119
ellnf_get_nf 2027249
equali1 1174234991
equalim1 139505156
err_get_compo 294
err_get_num 62523
gaddgs 123248636
gal_get_den 27866
gal_get_e 91
gal_get_gen 15435
gal_get_group 80386
gal_get_invvdm 27873
gal_get_mod 23758
gal_get_orders 6678
gal_get_p 6006
gal_get_pol 36315
gal_get_roots 32731
gc_GEN 255454883
gc_INT 4106867158
gc_INT_affii 8493437
gc_all 109630757
gc_leaf 1141278402
gc_slice 2204213
gc_upto 1951955573
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 761933
gdivsg 531590
gen_I 1269721
gener_Fq_local 29946
gequalgs 29176
get_F2x_degree 1928876
get_F2x_mod 2499078
get_F2x_var 2533785
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 83724673
get_Flx_mod 25594971
get_Flx_var 68352914
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 6424499
get_FpX_mod 3394351
get_FpX_var 6957940
gisdouble 2992288
gmax_shallow 13510197
gmaxsg 0
gmin_shallow 877691
gminsg 0
gmulgs 22578963
gmulgu 282059385
gsubgs 1724806
gtodouble 60779610
gtofp 254303049
gtomp 22428
gtos 85855648
gtou 99509
guncloneNULL 47934026
guncloneNULL_deep 1435976
gval 6230
hash_str 2756815
hash_str_len 31544755
icopy_avma 8035226184
idealchineseinit 5427
idealred 138456
identity_ZV 8113
identity_perm 3241396
identity_zv 3265746
inf_get_sign 1452972
inv_content 0
is_bigint 562939016
is_const_t 4896083220
is_extscalar_t 6876
is_intreal_t 9585849
is_matvec_t 659461366
is_noncalc_t 85874862
is_pm1 2204452732
is_qfb_t 0
is_rational_t 5032440
is_real_t 62062465
is_recursive_t 9234915906
is_scalar_t 375661500
is_universal_constant 325859897
is_vec_t 43954605
isint1 17584752
isintm1 5710180
isintzero 2843252446
ismpzero 9585735
isonstack 8271052820
killblock 1919629
leading_coeff 170261257
leafcopy_avma 577368875
lg_increase 318713851
lgcols 350615032
lgpol 2695704177
lincombii 38202927
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 754825
matpascal 3983
matslice 16818463
mkcol 10639913
mkcol2 156827799
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232470
mkcolcopy 33535
mkcols 40411
mkcomplex 91614910
mkerr 0
mkfrac 41640422
mkfraccopy 4999196
mkfracss 1209563
mkintmod 8092501
mkintmodu 1813
mkmat 4750890
mkmat2 33652842
mkmat22 50271254
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122235
mkmoo 108794
mkoo 1331921
mkpadic 2009
mkpolmod 3103724
mkqfb 27927629
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71108661
mkvec2 185465145
mkvec2copy 114514
mkvec2s 220245
mkvec3 122189952
mkvec3s 524441
mkvec4 10093542
mkvec4s 21
mkvec5 15185647
mkvec5s 0
mkvec6 0
mkvec6s 301
mkveccopy 122521
mkvecs 168
mkvecsmall 131624855
mkvecsmall2 234842690
mkvecsmall3 104171246
mkvecsmall4 18661426
mkvecsmall5 1717500
modpr_get_T 13867501
modpr_get_p 1888403
modpr_get_pr 31237752
mul_content 2654225
mul_denom 10711070
mulsubii 3881416
nbits2extraprec 1457382688
nbits2ndec 228
nbits2nlong 12744370
nbits2prec 186128026
nbrows 157439877
nchar2nlong 127384288
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26300
nf_get_G 303924
nf_get_M 21307011
nf_get_Tr 22077
nf_get_degree 71365000
nf_get_diff 4445
nf_get_disc 463479
nf_get_index 3711384
nf_get_invzk 9767626
nf_get_pol 98075483
nf_get_r1 23027445
nf_get_r2 4154
nf_get_ramified_primes 64645
nf_get_roots 1627956
nf_get_roundG 1747254
nf_get_sign 519550
nf_get_varn 1503546
nf_get_zk 4382
nf_get_zkden 5463332
nf_get_zkprimpart 5417381
normalize_frac 17204858
odd 2089410429
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 509391491
pari_malloc 745276538
pari_realloc 1890
pari_realloc_ip 2255564
pari_stack_alloc 1019544997
pari_stack_base 1025146998
pari_stack_delete 5604566
pari_stack_init 6051119
pari_stack_new 924892890
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2781818
perm_mul 80889525
perm_sqr 728
pol0_F2x 13237371
pol0_Flx 103461081
pol1_F2x 3955820
pol1_Flx 55054457
pol_0 82996690
pol_1 3755627
pol_x 3856952
pol_xn 2249262
pol_xnall 294
polx_F2x 1078427
polx_Flx 37483621
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43126992
pr_get_e 16102090
pr_get_f 26342201
pr_get_gen 12067190
pr_get_p 92476438
pr_get_tau 49565264
pr_is_inert 17145838
pr_norm 1089568
prec2lg 4466198126
prec2nbits 103966632
prec2nbits_mul 581165
prec2ndec 9778
precdbl 475373
qfb_disc 18502562
qfb_disc3 4994765
qfb_is_qfi 62331038
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 7997496958
rnf_get_absdegree 1392746
rnf_get_alpha 1428
rnf_get_degree 2506335
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 786086
rnf_get_nfdegree 21455
rnf_get_nfpol 255354
rnf_get_nfvarn 4886
rnf_get_nfzk 7245
rnf_get_pol 2845192
rnf_get_polabs 327628
rnf_get_ramified_primes 2849
rnf_get_varn 574
rnf_get_zk 4830
row 763896
row_i 987
rowcopy 204988
rowpermute 14705156
rowslice 79305056
rowslicepermute 184991
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27626969
sqrfrac 4148259
sqrti 6610017
sqrtnr 2809183
sqrtr 80368856
sstoQ 1097215
sturm 385
submulii 31983218
submuliu 7700
submuliu_inplace 60133522
truecoef 0
trunc_safe 0
ulogint 1721557
upr_norm 346122
uutoQ 1600198
vec_append 3465080
vec_ei 1713848
vec_lengthen 18960
vec_prepend 313994
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036647
veclast 9372675
vecmodii 0
vecmoduu 49784
vecpermute 20543897
vecreverse 697277
vecreverse_inplace 2605
vecslice 655929461
vecslicepermute 2690340
vecsmall_append 4099611
vecsmall_coincidence 0
vecsmall_concat 1464170
vecsmall_copy 4403817
vecsmall_ei 584727
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043259
vecsmall_max 1164098
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186970
vecsmall_reverse 3052
vecsmall_shorten 75636
vecsmall_to_col 7838733
vecsmall_to_vec 511781
vecsmall_to_vec_inplace 3304
vecsmallpermute 78694191
vecsmalltrunc_append 100892065
vecsmalltrunc_init 190350487
vecsplice 384917
vectrunc_append 15852476
vectrunc_append_batch 9667
vectrunc_init 11767752
zc_to_ZC 7824551
zero_F2m 0
zero_F2m_copy 845062
zero_F2v 3647751
zero_F2x 1350
zero_Flm 2829313
zero_Flm_copy 238222
zero_Flv 59651131
zero_Flx 1426932
zero_zm 0
zero_zv 36729871
zero_zx 0
zerocol 122323219
zeromat 109116
zeromatcopy 14248486
zeropadic 855711
zeropadic_shallow 17023
zeropol 42353977
zeroser 138908
zerovec 28453493
zerovec_block 29654
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 2183643
zv_to_ZV 502982
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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