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
F2xX_shift 0
F3m_copy 0
F3m_set 0
FlxqX_div 0
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQ_add 0
FpXQ_sub 0
FqXQ_add 0
FqXQ_div 0
FqXQ_inv 0
FqXQ_invsafe 0
FqXQ_pow 0
FqXQ_sqr 0
FqXQ_sub 0
FqX_divrem 0
FqX_halfgcd 0
FqX_integ 0
FqXn_exp 0
FqXn_sqr 0
R_abs 0
RgX_isscalar 0
bid_get_gen_nocheck 0
bid_get_no 0
cbrtr 0
cbrtr_abs 0
closure_get_code 0
gchar_get_U 0
gchar_get_hnf 0
gmaxsg 0
gminsg 0
inv_content 0
is_qfb_t 0
mkcol4s 0
mkerr 0
mkmat5 0
mkvec5s 0
mkvec6 0
pari_err_FILE 0
pari_err_MAXPRIME 0
pari_err_PACKAGE 0
polx_zx 0
random_Fq 0
truecoef 0
trunc_safe 0
vec_setconst 0
vecmodii 0
vecsmall_coincidence 0
zero_F2m 0
zero_zm 0
zero_zx 0
zm_copy 0
zm_row 0
zm_to_zxV 0
zx_shift 0
zx_to_zv 0
FqX_ddf 7
FqX_factor_squarefree 7
mkrfraccopy 14
pari_err_BUG 14
znstar_get_no 14
RgM_gtomp 21
mkvec4s 21
pari_err_CONSTPOL 21
vecsmall_indexmax 21
vecsmall_indexmin 21
pari_err_FILEDESC 36
F2v_ei 42
RgV_gtofp 56
pari_err_IRREDPOL 63
pari_err_ROOTS0 63
bnr_get_gen_nocheck 70
mkmat4 84
pari_err_COPRIME 84
vecsmall_isin 84
vecsmall_pack 84
gal_get_e 91
mkcol5 94
Z_ispower 98
pari_err_FLAG 98
pari_err_PRIME 98
rnf_get_index 105
ellnf_get_bnf 119
RgX_to_RgV 140
pari_err_OVERFLOW 156
mkvecs 168
FqX_to_mod 175
pari_err_COMPONENT 214
nbits2ndec 228
pari_err_PREC 238
pari_err_PRIORITY 238
zm_transpose 266
rowsplice 273
err_get_compo 294
pol_xnall 294
mkvec6s 301
ellQp_get_prec 308
mkcol3s 315
gchar_get_nfree 322
gchar_get_ntors 322
get_F2xqX_mod 343
rnf_get_disc 357
pari_err_VAR 371
polxn_Flx 371
sturm 385
pari_err_OP 406
pari_err_IMPL 539
vecsmall_lengthen 547
RgC_gtomp 574
rnf_get_varn 574
gchar_get_r2 623
gchar_set_HUUi 630
gchar_set_nalg 630
gchar_set_nfree 630
gchar_set_ntors 630
bnf_get_reg 648
pari_err_DIM 718
perm_sqr 728
Rg_to_Fq 756
F2m_set 798
gchar_set_m0 945
row_i 987
RgM_minor 1036
quad_disc 1085
ellQp_get_p 1134
gchar_copy_precs 1225
gchar_set_prec 1225
rnf_get_invzk 1225
rnf_get_k 1225
locs_get_Lgenfil 1288
locs_get_famod 1288
FqX_powu 1295
pari_err_MODULUS 1316
zero_F2x 1350
rnf_get_idealdisc 1386
rnf_get_alpha 1428
ellQp_get_zero 1463
powIs 1561
gchar_set_basis 1575
gchar_set_cyc 1575
gchar_get_sfu 1743
gchar_set_evalprec 1813
mkintmodu 1813
gchar_get_nm 1869
pari_realloc 1890
RgXQX_div 1904
mkpadic 2009
gchar_get_nalg 2044
gchar_set_nf 2110
gchar_set_u0 2121
vecsmall_min 2345
vecreverse_inplace 2605
rnf_get_ramified_primes 2849
pari_err_DOMAIN 2862
gchar_set_nfprec 2968
vecsmall_reverse 3052
vecsmall_to_vec_inplace 3304
gchar_get_m0 3318
pari_err_TYPE2 3493
get_FpXQX_degree 3589
matpascal 3983
gchar_get_evalprec 4011
gchar_get_modP 4095
FqX_normalize 4144
nf_get_r2 4154
gchar_get_u0 4252
nf_get_zk 4382
nf_get_diff 4445
F2v_copy 4487
FpXQX_div 4526
rnf_get_zk 4830
rnf_get_nfvarn 4886
idealchineseinit 5427
pari_stack_pushp 5851
gal_get_p 6006
FqX_get_red 6090
gval 6230
FqXn_expint 6590
gal_get_orders 6678
is_extscalar_t 6876
pari_err_SQRTN 7084
FqXn_inv 7126
rnf_get_nfzk 7245
FqX_roots 7273
submuliu 7700
bnr_get_gen 7847
get_FlxqX_mod 8033
identity_ZV 8113
gchar_get_mod 8225
locs_get_mod 8225
ndec2nbits 8270
FqX_gcd 8288
bnf_get_no 8365
vectrunc_append_batch 9667
prec2ndec 9778
cgetalloc 10166
gchar_get_Ui 10983
vec_shorten 11557
ZX_equal1 12850
R_abs_shallow 13097
gchar_get_nfprec 13468
closure_get_dbg 13621
zx_renormalize 14049
pari_err_TYPE 15370
gal_get_gen 15435
znstar_get_gen 16150
gchar_get_cyc 16177
mkmat3 17001
zeropadic_shallow 17023
gchar_get_r1 17444
Fp_muls 17780
gchar_get_prec 18795
vec_lengthen 18960
FqX_halve 19411
pari_err_INV 20018
FpXY_Fq_evaly 20587
rnf_get_nfdegree 21455
FqX_mulu 21942
nf_get_Tr 22077
gtomp 22428
RgM_fpnorml2 22662
FqXQ_mul 22766
ZV_dvd 23485
gal_get_mod 23758
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25859
nfV_to_scalar_or_alg 26300
gal_get_den 27866
gal_get_invvdm 27873
absfrac_shallow 28237
gequalgs 29176
zerovec_block 29654
gener_Fq_local 29946
gal_get_roots 32731
gchar_get_basis 32816
F2xqX_div 33173
ndec2prec 33279
mkcolcopy 33535
Qtoss 35322
gal_get_pol 36315
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37051
gchar_get_nc 37261
FqX_rem 37743
F2v_to_F2x 37891
FqX_div 38567
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41549
znstar_get_Ui 46788
pari_calloc 47713
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50519
get_FpXQX_var 51630
locs_get_cyc 52136
div_content 58518
RgX_fpnorml2 61496
err_get_num 62523
bid_get_gen 64274
nf_get_ramified_primes 64645
RgX_is_rational 68166
FqX_sub 68607
mkquad 69118
FqX_div_by_X_x 69699
quadnorm 69881
FqX_sqr 71855
bid_get_ideal 72842
Fq_to_FpXQ 73652
vecsmall_shorten 75636
bnr_get_mod 77119
gal_get_group 80386
mkcol3 88314
gtou 99509
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108794
zeromat 109116
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114514
Q_abs_shallow 120229
mkmatcopy 122235
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138456
zeroser 138908
RgV_is_QV 140734
FqX_factor 140946
get_FpXQX_mod 146583
FlxqX_div_pre 165409
znstar_get_U 176107
rowslicepermute 184991
vecsmall_prepend 186970
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200481
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220245
mkcol6 232470
ellR_get_prec 232750
zero_Flm_copy 238222
gchar_get_nf 243946
Fp_halve 247271
affc_fixlg 249622
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277487
gchar_get_zm 281911
bnf_get_tuN 282988
bnf_get_fu_nocheck 289075
bnf_get_tuU 303567
nf_get_G 303924
vec_prepend 313994
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 334023
cxtoreal 337207
upr_norm 346122
RgX_renormalize 349807
abgrp_get_no 354934
ZM_hnfrem 363789
FqX_mul 367705
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384917
RgX_is_QX 399937
perm_conj 418299
FqX_Fq_mul 427294
FqX_extgcd 444662
Z_issquare 458704
nf_get_disc 463479
precdbl 475373
RgX_shift_inplace 479399
RgX_shift_inplace_init 479399
zv_to_ZV 502982
vecsmall_to_vec 511781
nf_get_sign 519550
mkvec3s 524441
gdivsg 531590
addmuliu 535673
FqX_Fp_mul 571435
prec2nbits_mul 581165
vecsmall_ei 584727
ZM_ZV_mod 596470
RgC_fpnorml2 619845
FqX_is_squarefree 683802
vecreverse 697277
mkrfrac 698439
coltrunc_init 740250
logint 754825
gcmpgs 761933
row 763896
rnf_get_nf 786086
ellff_get_a4a6 800013
zero_F2m_copy 845062
FpXX_renormalize 849917
zeropadic 855711
gmin_shallow 877691
affgr 898866
ZXQ_sqr 960258
cgetc 975460
Flx_lead 979262
polx_F2x 1078427
pr_norm 1089568
sstoQ 1097215
Fp_invsafe 1100363
Flx_mulu 1105419
vecsmall_max 1164098
mkfracss 1209563
RgV_isscalar 1210277
gen_I 1269721
RgX_is_monomial 1331370
mkoo 1331921
bnf_get_sunits 1367773
bnr_get_nf 1368092
rnf_get_absdegree 1392746
zero_Flx 1426932
guncloneNULL_deep 1435976
constant_coeff 1441153
Rg_col_ei 1451025
inf_get_sign 1452972
vecsmall_concat 1464170
nf_get_varn 1503546
bid_get_mod 1521920
F2m_flip 1554187
F2v_flip 1554187
F2x_flip 1554187
F2x_div 1570620
uutoQ 1600198
nf_get_roots 1627956
bnf_get_gen 1680310
vec_ei 1713848
mkvecsmall5 1717500
ulogint 1721557
gsubgs 1724806
nf_get_roundG 1747254
abgrp_get_gen 1765024
ellinf 1869875
modpr_get_p 1888403
killblock 1919629
get_F2x_degree 1928876
Flx_div 1998021
ellnf_get_nf 2027249
ellff_get_field 2036824
bnr_get_bid 2046099
ell_get_j 2126269
bid_get_MOD 2157248
bid_get_sprk 2157970
ZXQ_mul 2161060
zv_copy 2183643
bid_get_fact2 2201572
gc_slice 2204213
pol_xn 2249262
pari_realloc_ip 2255564
bid_get_archp 2397112
bid_get_fact 2498935
get_F2x_mod 2499078
rnf_get_degree 2506335
bnr_get_cyc 2522563
get_F2x_var 2533785
ell_get_b4 2550216
Flv_copy 2554886
mul_content 2654225
RgX_coeff 2669861
vecslicepermute 2690340
hash_str 2756815
cyc_get_expo 2757541
perm_inv 2781818
sqrtnr 2809183
zero_Flm 2829313
bnr_get_clgp 2830230
rnf_get_pol 2845192
znstar_get_pe 2869063
F2x_equal1 2873879
bnf_get_logfu 2874757
gisdouble 2992288
mkpolmod 3103724
Fq_red 3106320
bit_accuracy_mul 3175472
ZV_to_zv 3211407
identity_perm 3241396
F3m_coeff 3255853
identity_zv 3265746
znstar_get_conreygen 3290176
ell_get_b8 3297414
get_FpX_mod 3394351
vec_append 3465080
zero_F2v 3647751
bid_get_U 3680223
bnf_get_cyc 3686139
nf_get_index 3711384
bnr_get_bnf 3751329
pol_1 3755627
pol_x 3856952
ell_get_b6 3863115
mulsubii 3881416
pol1_F2x 3955820
vec_to_vecsmall 4036647
vecsmall_append 4099611
sqrfrac 4148259
vecsmall_copy 4403817
mkcol2s 4416244
F2x_equal 4661933
FpXQX_renormalize 4694085
mkmat 4750890
qfb_disc3 4994765
mkfraccopy 4999196
is_rational_t 5032440
bnf_get_clgp 5374987
nf_get_zkprimpart 5417381
nf_get_zkden 5463332
FpX_div 5581217
checkell_i 5593237
pari_stack_delete 5604566
isintm1 5710180
bid_get_cyc 5739788
bid_get_grp 5804645
col_ei 5924617
pari_stack_init 6051119
get_FpX_degree 6424499
Flm_copy 6433448
sqrti 6610017
get_FpX_var 6957940
RgX_div 7000642
vecsmall_lexcmp 7043259
ell_get_a2 7106173
ZM_lll 7116427
RgX_gtofp 7144929
znstar_get_faN 7331711
ell_get_b2 7371020
ZX_is_monic 7374264
zc_to_ZC 7824551
vecsmall_to_col 7838733
znstar_get_conreycyc 7979693
F2m_coeff 8038681
Q_abs 8062606
mkintmod 8092501
ZV_ZV_mod 8131481
RgM_gtofp 8257655
Flx_equal1 8329749
gc_INT_affii 8493437
ell_get_a4 8536714
Flm_row 8740538
ell_get_a3 8814030
ell_get_a1 8997065
cxtofp 9079986
veclast 9372675
ismpzero 9585735
is_intreal_t 9585849
const_col 9729684
RgM_dimensions 9741521
nf_get_invzk 9767626
bnf_get_nf 9863842
mkvec4 10093542
ser_isexactzero 10120284
ell_get_a6 10370952
mkcol 10639913
ZC_hnfrem 10695830
mul_denom 10711070
ell_get_c4 11017655
Fp_addmul 11211908
vectrunc_init 11767752
pr_get_gen 12067190
abgrp_get_cyc 12230771
F2x_clear 12353939
F2v_clear 12353943
ell_get_type 12498749
nbits2nlong 12744370
pol0_F2x 13237371
ell_get_c6 13474110
gmax_shallow 13510197
modpr_get_T 13867501
closure_get_frame 14157513
zeromatcopy 14248486
rowpermute 14705156
Fp_div 15033802
Fp_divu 15128190
mkvec5 15185647
vectrunc_append 15852476
pr_get_e 16102090
ell_get_disc 16814613
matslice 16818463
pr_is_inert 17145838
normalize_frac 17204858
isint1 17584752
Fp_center_i 18001351
cxcompotor 18211684
qfb_disc 18502562
mkvecsmall4 18661426
const_vecsmall 19700260
vecpermute 20543897
Fp_double 20773254
nf_get_M 21307011
Flx_div_pre 21688555
RgM_shallowcopy 22173869
RgX_is_ZX 22423464
gmulgs 22578963
nf_get_r1 23027445
ZV_isscalar 23233793
Fp_inv 23438429
get_Flx_mod 25594971
pr_get_f 26342201
RgX_equal_var 26882974
shallowcopy 27626969
mkqfb 27927629
zerovec 28453493
modpr_get_pr 31237752
Fp_neg 31474804
hash_str_len 31544755
submulii 31983218
RgV_is_ZV 32158325
mkmat2 33652842
RgC_gtofp 34030006
const_vec 34474462
zero_zv 36729871
polx_Flx 37483621
lincombii 38202927
znstar_get_N 38655073
mkfrac 41640422
zeropol 42353977
powii 43126992
is_vec_t 43954605
closure_is_variadic 44789247
absfrac 46638605
guncloneNULL 47934026
pr_get_tau 49565264
mkmat22 50271254
ell_is_inf 52407651
QV_isscalar 54415200
pol1_Flx 55054457
addmuliu_inplace 59642068
zero_Flv 59651131
submuliu_inplace 60133522
F2x_copy 60424567
gtodouble 60779610
is_real_t 62062465
qfb_is_qfi 62331038
Fp_sqr 63302747
get_Flx_var 68352914
Fp_mulu 70372963
mkvec 71108661
nf_get_degree 71365000
Fp_center 77150043
vecsmallpermute 78694191
rowslice 79305056
sqrtr 80368856
perm_mul 80889525
Fp_red 82188050
pol_0 82996690
get_Flx_degree 83724673
gtos 85855648
is_noncalc_t 85874862
cxnorm 91196486
mkcomplex 91614910
pr_get_p 92476438
dbllog2r 92815355
nf_get_pol 98075483
vecsmalltrunc_append 100892065
F2v_set 101403552
cgiv 102265340
RgX_copy 103406692
pol0_Flx 103461081
prec2nbits 103966632
mkvecsmall3 104171246
vecsmall_prefixcmp 108088071
gc_all 109630757
F2x_renormalize 115233970
mkvec3 122189952
zerocol 122323219
gaddgs 123248636
both_odd 123900018
F2x_set 124708887
nchar2nlong 127384288
mkvecsmall 131624855
equalim1 139505156
bit_prec 142810995
FpX_renormalize 144205868
ZX_renormalize 154994848
mkcol2 156827799
nbrows 157439877
leading_coeff 170261257
Flx_copy 173185286
Fp_add 180943294
mkvec2 185465145
nbits2prec 186128026
vecsmalltrunc_init 190350487
Fp_mul 200684303
Fp_sub 202255675
mkvecsmall2 234842690
gtofp 254303049
gc_GEN 255454883
gmulgu 282059385
lg_increase 318713851
closure_get_data 321432911
closure_get_oper 321459482
closure_codestr 321488727
is_universal_constant 325859897
lgcols 350615032
closure_arity 371330970
is_scalar_t 375661500
bin_copy 496010803
pari_free 509391491
is_bigint 562939016
leafcopy_avma 577368875
vecslice 655929461
is_matvec_t 659461366
F2v_coeff 661321048
F2x_coeff 667792413
pari_malloc 745276538
pari_stack_new 924892890
GENbinbase 961819196
pari_stack_alloc 1019544997
pari_stack_base 1025146998
gc_leaf 1141278402
equali1 1174234991
nbits2extraprec 1457382688
gc_upto 1951955573
odd 2089410429
is_pm1 2204452732
lgpol 2695704177
isintzero 2843252446
bit_accuracy 3155974475
gc_INT 4106867158
prec2lg 4466198126
is_const_t 4896083220
degpol 5508317154
remsBIL 7997496958
icopy_avma 8035226184
divsBIL 8088168921
isonstack 8271052820
is_recursive_t 9234915906

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