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 30586-ccf601f509) Lines: 1422 1535 92.6 %
Date: 2025-12-24 09:20:59 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 8038903
F2m_copy 200481
F2m_flip 1554335
F2m_set 798
F2v_clear 12354127
F2v_coeff 661322219
F2v_copy 4487
F2v_ei 42
F2v_flip 1554335
F2v_set 101403826
F2v_to_F2x 37909
F2xX_shift 0
F2x_clear 12354136
F2x_coeff 668017379
F2x_copy 60494354
F2x_div 1571527
F2x_equal 4666979
F2x_equal1 2873868
F2x_flip 1554338
F2x_renormalize 115312947
F2x_set 124812117
F2xqX_div 33173
F3m_coeff 3255864
F3m_copy 0
F3m_set 0
Flm_copy 6433430
Flm_row 8741670
Flv_copy 2555066
Flx_constant 334007
Flx_copy 173163868
Flx_div 1997936
Flx_div_pre 21688321
Flx_equal1 8329745
Flx_lead 978946
Flx_mulu 1105409
FlxqX_div 0
FlxqX_div_pre 165416
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4694037
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849917
FpXY_Fq_evaly 20587
FpX_div 5581130
FpX_renormalize 144207552
Fp_add 181042467
Fp_addmul 11243222
Fp_center 77142817
Fp_center_i 18023645
Fp_div 15035627
Fp_divu 15130240
Fp_double 20875842
Fp_halve 247271
Fp_inv 23438668
Fp_invsafe 1100355
Fp_mul 200753964
Fp_muls 17780
Fp_mulu 68839600
Fp_neg 31484816
Fp_red 82193484
Fp_sqr 63781952
Fp_sub 203245210
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 571430
FqX_Fq_mul 427290
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38569
FqX_div_by_X_x 69699
FqX_divrem 0
FqX_extgcd 444660
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 367702
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 3106149
Fq_to_FpXQ 73652
GENbinbase 961793002
QV_isscalar 54415503
Q_abs 8062657
Q_abs_shallow 120232
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 619836
RgC_gtofp 34034218
RgC_gtomp 574
RgM_dimensions 9741558
RgM_fpnorml2 22662
RgM_gtofp 8258391
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22173351
RgV_gtofp 56
RgV_is_QV 140724
RgV_is_ZV 32158316
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210280
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103406599
RgX_div 7000642
RgX_equal_var 26883017
RgX_fpnorml2 61494
RgX_gtofp 7144738
RgX_is_QX 399936
RgX_is_ZX 22423202
RgX_is_monomial 1331356
RgX_is_rational 68165
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479399
RgX_shift_inplace_init 479399
RgX_to_RgV 140
Rg_col_ei 1451108
Rg_to_Fq 756
ZC_hnfrem 10696016
ZM_ZV_mod 596461
ZM_hnfrem 363785
ZM_lll 7116734
ZV_ZV_mod 8131428
ZV_dvd 23485
ZV_isscalar 23233275
ZV_to_zv 3211407
ZXQ_mul 2161298
ZXQ_sqr 960424
ZX_equal1 12850
ZX_is_monic 7374305
ZX_renormalize 154983037
Z_ispower 98
Z_issquare 458706
abgrp_get_cyc 12230747
abgrp_get_gen 1765030
abgrp_get_no 354940
absfrac 46638626
absfrac_shallow 28237
addmuliu 535889
addmuliu_inplace 59653865
affc_fixlg 249622
affgr 898866
bid_get_MOD 2157249
bid_get_U 3680228
bid_get_arch 41188
bid_get_archp 2397094
bid_get_cyc 5739777
bid_get_fact 2498899
bid_get_fact2 2201573
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804633
bid_get_ideal 72842
bid_get_mod 1521920
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157974
bin_copy 496002921
bit_accuracy 3156719048
bit_accuracy_mul 3175472
bit_prec 142813990
bnf_get_clgp 5375011
bnf_get_cyc 3686152
bnf_get_fu 25859
bnf_get_fu_nocheck 289076
bnf_get_gen 1680316
bnf_get_logfu 2874746
bnf_get_nf 9863875
bnf_get_no 8365
bnf_get_reg 648
bnf_get_sunits 1367775
bnf_get_tuN 282981
bnf_get_tuU 303568
bnr_get_bid 2046095
bnr_get_bnf 3751369
bnr_get_clgp 2830231
bnr_get_cyc 2522562
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77118
bnr_get_nf 1368082
bnr_get_no 277486
both_odd 123761585
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975458
cgiv 102266148
checkell_i 5593299
closure_arity 371469811
closure_codestr 321597395
closure_get_code 0
closure_get_data 321568553
closure_get_dbg 13621
closure_get_frame 14157561
closure_get_oper 321583531
closure_get_text 37051
closure_is_variadic 44788614
col_ei 5924567
coltrunc_init 740250
const_col 9729648
const_vec 34469226
const_vecsmall 19699866
constant_coeff 1441126
cxcompotor 18212051
cxnorm 91202229
cxtofp 9080176
cxtoreal 337205
cyc_get_expo 2757538
cyclic_perm 99911
dbllog2r 92817057
degpol 5495098626
div_content 58519
divsBIL 8088159744
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997091
ell_get_a2 7106197
ell_get_a3 8814057
ell_get_a4 8536738
ell_get_a6 10370976
ell_get_b2 7371022
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11018083
ell_get_c6 13474495
ell_get_disc 16815187
ell_get_j 2126269
ell_get_type 12499031
ell_is_inf 52359492
ellff_get_a4a6 800037
ellff_get_field 2036896
ellinf 1869791
ellnf_get_bnf 119
ellnf_get_nf 2027249
equali1 1174229436
equalim1 139505172
err_get_compo 294
err_get_num 62522
gaddgs 123248630
gal_get_den 27867
gal_get_e 91
gal_get_gen 15435
gal_get_group 80387
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 255477061
gc_INT 4105189515
gc_INT_affii 8493090
gc_all 109629987
gc_leaf 1137636821
gc_slice 2204202
gc_upto 1951942161
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 761921
gdivsg 531592
gen_I 1269718
gener_Fq_local 29946
gequalgs 29176
get_F2x_degree 1929223
get_F2x_mod 2499173
get_F2x_var 2534209
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82906567
get_Flx_mod 25591852
get_Flx_var 68343013
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 6424513
get_FpX_mod 3394382
get_FpX_var 6957757
gisdouble 2992248
gmax_shallow 13510200
gmaxsg 0
gmin_shallow 877641
gminsg 0
gmulgs 22612818
gmulgu 282059385
gsubgs 1724802
gtodouble 60777775
gtofp 254339119
gtomp 22428
gtos 85855685
gtou 99534
guncloneNULL 47934042
guncloneNULL_deep 1438092
gval 6230
hash_str 2756814
hash_str_len 31544548
icopy_avma 8035465440
idealchineseinit 5427
idealred 138459
identity_ZV 8113
identity_perm 3241470
identity_zv 3265820
inf_get_sign 1452931
inv_content 0
is_bigint 562951094
is_const_t 4893814210
is_extscalar_t 6876
is_intreal_t 9585916
is_matvec_t 659593342
is_noncalc_t 85876421
is_pm1 2203786945
is_qfb_t 0
is_rational_t 5032375
is_real_t 62062468
is_recursive_t 9234800751
is_scalar_t 375660744
is_universal_constant 325772769
is_vec_t 43943348
isint1 17584687
isintm1 5710140
isintzero 2843142868
ismpzero 9585839
isonstack 8266116438
killblock 1921485
leading_coeff 170259827
leafcopy_avma 577362233
lg_increase 319192475
lgcols 350612324
lgpol 2688059201
lincombii 38219748
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 754824
matpascal 3983
matslice 16819442
mkcol 10639872
mkcol2 156798715
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232470
mkcolcopy 33542
mkcols 40411
mkcomplex 91616578
mkerr 0
mkfrac 41642284
mkfraccopy 4999442
mkfracss 1209563
mkintmod 8092509
mkintmodu 1813
mkmat 4750953
mkmat2 33652911
mkmat22 50253125
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122260
mkmoo 108782
mkoo 1331896
mkpadic 2009
mkpolmod 3103726
mkqfb 27927992
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71083086
mkvec2 185763246
mkvec2copy 114507
mkvec2s 220238
mkvec3 119746066
mkvec3s 524441
mkvec4 10093713
mkvec4s 21
mkvec5 15185692
mkvec5s 0
mkvec6 0
mkvec6s 301
mkveccopy 122521
mkvecs 168
mkvecsmall 131649936
mkvecsmall2 234829366
mkvecsmall3 104172609
mkvecsmall4 18658391
mkvecsmall5 1717527
modpr_get_T 13867508
modpr_get_p 1888403
modpr_get_pr 31237768
mul_content 2654227
mul_denom 10711163
mulsubii 3881021
nbits2extraprec 1457028758
nbits2ndec 228
nbits2nlong 12754138
nbits2prec 186133707
nbrows 157445556
nchar2nlong 127386739
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26300
nf_get_G 303823
nf_get_M 21306495
nf_get_Tr 22080
nf_get_degree 71364698
nf_get_diff 4445
nf_get_disc 463482
nf_get_index 3711328
nf_get_invzk 9767402
nf_get_pol 98074264
nf_get_r1 23026964
nf_get_r2 4154
nf_get_ramified_primes 64645
nf_get_roots 1627857
nf_get_roundG 1747152
nf_get_sign 519544
nf_get_varn 1503540
nf_get_zk 4382
nf_get_zkden 5463235
nf_get_zkprimpart 5417453
normalize_frac 17204951
odd 2089285725
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 509374930
pari_malloc 745263871
pari_realloc 1890
pari_realloc_ip 2254667
pari_stack_alloc 1019708938
pari_stack_base 1025265599
pari_stack_delete 5589437
pari_stack_init 6050097
pari_stack_new 925023979
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2781946
perm_mul 80896576
perm_sqr 728
pol0_F2x 13252966
pol0_Flx 103495473
pol1_F2x 3958957
pol1_Flx 55050342
pol_0 82996632
pol_1 3755724
pol_x 3856923
pol_xn 2249286
pol_xnall 294
polx_F2x 1078804
polx_Flx 37481595
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43126971
pr_get_e 16101630
pr_get_f 26341620
pr_get_gen 12067127
pr_get_p 92474833
pr_get_tau 49564281
pr_is_inert 17145938
pr_norm 1089372
prec2lg 4469033907
prec2nbits 103963023
prec2nbits_mul 581167
prec2ndec 9778
precdbl 475367
qfb_disc 18502550
qfb_disc3 4994932
qfb_is_qfi 62325303
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 7997266458
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 763894
row_i 987
rowcopy 204988
rowpermute 14705487
rowslice 79321329
rowslicepermute 184781
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27627043
sqrfrac 4148221
sqrti 6664613
sqrtnr 2809162
sqrtr 80373698
sstoQ 1097215
sturm 385
submulii 32838828
submuliu 7700
submuliu_inplace 60147304
truecoef 0
trunc_safe 0
ulogint 1722159
upr_norm 346135
uutoQ 1600198
vec_append 3465064
vec_ei 1713846
vec_lengthen 18960
vec_prepend 313988
vec_setconst 0
vec_shorten 11556
vec_to_vecsmall 4036604
veclast 9372724
vecmodii 0
vecmoduu 49784
vecpermute 20543900
vecreverse 697277
vecreverse_inplace 2605
vecslice 656198635
vecslicepermute 2690143
vecsmall_append 4099615
vecsmall_coincidence 0
vecsmall_concat 1464264
vecsmall_copy 4404015
vecsmall_ei 584725
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043217
vecsmall_max 1163960
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186970
vecsmall_reverse 3052
vecsmall_shorten 75641
vecsmall_to_col 7838511
vecsmall_to_vec 511781
vecsmall_to_vec_inplace 3304
vecsmallpermute 78701228
vecsmalltrunc_append 100805401
vecsmalltrunc_init 190713862
vecsplice 384924
vectrunc_append 15850089
vectrunc_append_batch 9667
vectrunc_init 11768373
zc_to_ZC 7824328
zero_F2m 0
zero_F2m_copy 845075
zero_F2v 3647757
zero_F2x 1350
zero_Flm 2829542
zero_Flm_copy 238199
zero_Flv 59662893
zero_Flx 1426502
zero_zm 0
zero_zv 36736855
zero_zx 0
zerocol 122329193
zeromat 109104
zeromatcopy 14249270
zeropadic 855323
zeropadic_shallow 17022
zeropol 42353992
zeroser 138908
zerovec 28453567
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 2183818
zv_to_ZV 502982
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

Generated by: LCOV version 1.16