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 30569-8181146aa1) Lines: 1419 1532 92.6 %
Date: 2025-12-02 09:22:09 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 8039502
F2m_copy 200560
F2m_flip 1554224
F2m_set 798
F2v_clear 12357486
F2v_coeff 661335934
F2v_copy 4487
F2v_ei 42
F2v_flip 1554224
F2v_set 101405619
F2v_to_F2x 37846
F2xX_shift 0
F2x_clear 12357490
F2x_coeff 667865139
F2x_copy 60425956
F2x_div 1570555
F2x_equal 4659028
F2x_equal1 2873987
F2x_flip 1554224
F2x_renormalize 115148161
F2x_set 124703658
F2xqX_div 33173
F3m_coeff 3256719
F3m_copy 0
F3m_set 0
Flm_copy 6435381
Flm_row 8741929
Flv_copy 2555276
Flx_constant 333917
Flx_copy 173794620
Flx_div 1999178
Flx_div_pre 21713780
Flx_equal1 8331113
Flx_lead 980556
Flx_mulu 1105471
FlxqX_div 0
FlxqX_div_pre 165415
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693419
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5583015
FpX_renormalize 144585986
Fp_add 181477215
Fp_addmul 11368685
Fp_center 77202154
Fp_center_i 18044884
Fp_div 15034861
Fp_divu 15129256
Fp_double 22279045
Fp_halve 247348
Fp_inv 23444256
Fp_invsafe 1100569
Fp_mul 201048104
Fp_muls 17780
Fp_mulu 68895625
Fp_neg 31478693
Fp_red 82091180
Fp_sqr 64424315
Fp_sub 203429897
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 572230
FqX_Fq_mul 427299
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38567
FqX_div_by_X_x 69629
FqX_divrem 0
FqX_extgcd 445098
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 367830
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 3106289
Fq_to_FpXQ 73792
GENbinbase 964573510
QV_isscalar 54418355
Q_abs 8064389
Q_abs_shallow 120253
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622143
RgC_gtofp 34043574
RgC_gtomp 574
RgM_dimensions 9742367
RgM_fpnorml2 22795
RgM_gtofp 8259755
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22179366
RgV_gtofp 56
RgV_is_QV 140790
RgV_is_ZV 32167319
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210304
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103409307
RgX_div 7000740
RgX_equal_var 26883210
RgX_fpnorml2 61628
RgX_gtofp 7147907
RgX_is_QX 400153
RgX_is_ZX 22426205
RgX_is_monomial 1331794
RgX_is_rational 68324
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
RgX_to_RgV 140
Rg_col_ei 1451716
Rg_to_Fq 756
ZC_hnfrem 10696767
ZM_ZV_mod 596639
ZM_hnfrem 363921
ZM_lll 7117846
ZV_ZV_mod 8131609
ZV_dvd 23485
ZV_isscalar 23235522
ZV_to_zv 3211420
ZXQ_mul 2162194
ZXQ_sqr 961144
ZX_equal1 12893
ZX_is_monic 7376185
ZX_renormalize 155035143
Z_ispower 98
Z_issquare 458923
abgrp_get_cyc 12231327
abgrp_get_gen 1765128
abgrp_get_no 355204
absfrac 46644856
absfrac_shallow 28237
addmuliu 535746
addmuliu_inplace 59708702
affc_fixlg 249616
affgr 898866
bid_get_MOD 2157277
bid_get_U 3680254
bid_get_arch 41187
bid_get_archp 2397109
bid_get_cyc 5739804
bid_get_fact 2498947
bid_get_fact2 2201510
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804653
bid_get_ideal 72842
bid_get_mod 1521922
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2158010
bin_copy 497443161
bit_accuracy 3163530271
bit_accuracy_mul 3175472
bit_prec 142850940
bnf_get_clgp 5375661
bnf_get_cyc 3686697
bnf_get_fu 25859
bnf_get_fu_nocheck 289090
bnf_get_gen 1680414
bnf_get_logfu 2874798
bnf_get_nf 9865073
bnf_get_no 8379
bnf_get_reg 648
bnf_get_sunits 1367840
bnf_get_tuN 283004
bnf_get_tuU 303585
bnr_get_bid 2046147
bnr_get_bnf 3751402
bnr_get_clgp 2830290
bnr_get_cyc 2522602
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77146
bnr_get_nf 1368181
bnr_get_no 277505
both_odd 123887244
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975455
cgiv 102282327
checkell_i 5593224
closure_arity 371241395
closure_codestr 321376059
closure_get_code 0
closure_get_data 321325709
closure_get_dbg 13621
closure_get_frame 14173730
closure_get_oper 321352755
closure_get_text 37051
closure_is_variadic 44826823
col_ei 5926926
coltrunc_init 740250
const_col 9730311
const_vec 34488436
const_vecsmall 19712016
constant_coeff 1441393
cxcompotor 18223731
cxnorm 91220755
cxtofp 9086040
cxtoreal 337202
cyc_get_expo 2757842
cyclic_perm 99911
dbllog2r 92834759
degpol 5507266116
div_content 58574
divsBIL 8096366971
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997075
ell_get_a2 7106178
ell_get_a3 8814043
ell_get_a4 8536719
ell_get_a6 10370957
ell_get_b2 7371027
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11017829
ell_get_c6 13474233
ell_get_disc 16815040
ell_get_j 2126227
ell_get_type 12499103
ell_is_inf 52472115
ellff_get_a4a6 800021
ellff_get_field 2036842
ellinf 1869499
ellnf_get_bnf 126
ellnf_get_nf 2027640
equali1 1175751727
equalim1 139505835
err_get_compo 294
err_get_num 62521
gaddgs 123248592
gal_get_den 27881
gal_get_e 91
gal_get_gen 15449
gal_get_group 80402
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 256262644
gc_INT 4108788927
gc_INT_affii 8500247
gc_all 110027644
gc_leaf 1134896965
gc_slice 2204947
gc_upto 1951250840
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 761922
gdivsg 531592
gen_I 1269841
gener_Fq_local 29945
gequalgs 29176
get_F2x_degree 1928948
get_F2x_mod 2499150
get_F2x_var 2534074
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82885651
get_Flx_mod 25607706
get_Flx_var 68413302
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 6424788
get_FpX_mod 3394566
get_FpX_var 6958042
gisdouble 2993311
gmax_shallow 13510228
gmaxsg 0
gmin_shallow 878337
gminsg 0
gmulgs 22604751
gmulgu 282059385
gsubgs 1724800
gtodouble 60801204
gtofp 254404097
gtomp 22428
gtos 85854549
gtou 98312
guncloneNULL 48235150
guncloneNULL_deep 1448855
gval 6230
hash_str 2756813
hash_str_len 31551632
icopy_avma 8042229908
idealchineseinit 5427
idealred 138708
identity_ZV 8113
identity_perm 3242844
identity_zv 3267193
inf_get_sign 1453199
inv_content 0
is_bigint 562995521
is_const_t 4894431475
is_extscalar_t 6876
is_intreal_t 9586423
is_matvec_t 659304511
is_noncalc_t 85877889
is_pm1 2204091707
is_qfb_t 0
is_rational_t 5035728
is_real_t 62063898
is_recursive_t 9240082256
is_scalar_t 375678984
is_universal_constant 325834844
is_vec_t 43955381
isint1 17587224
isintm1 5711290
isintzero 2843294343
ismpzero 9586303
isonstack 8265420600
killblock 1933341
leading_coeff 170556140
leafcopy_avma 577546430
lg_increase 318660410
lgcols 350848367
lgpol 2684225845
lincombii 38211455
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 754921
matpascal 3983
matslice 16823238
mkcol 10641516
mkcol2 156896035
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33533
mkcols 40411
mkcomplex 91642744
mkerr 0
mkfrac 41644539
mkfraccopy 4999467
mkfracss 1209563
mkintmod 8092591
mkintmodu 1813
mkmat 4751220
mkmat2 33664640
mkmat22 50285061
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122273
mkmoo 108863
mkoo 1332082
mkpadic 2009
mkpolmod 3105223
mkqfb 27928663
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71149178
mkvec2 185275450
mkvec2copy 114617
mkvec2s 220438
mkvec3 119563337
mkvec3s 524441
mkvec4 10106984
mkvec4s 21
mkvec5 15187100
mkveccopy 122521
mkvecs 168
mkvecsmall 131688141
mkvecsmall2 233671705
mkvecsmall3 104048758
mkvecsmall4 17824890
mkvecsmall5 1731104
modpr_get_T 13868011
modpr_get_p 1888613
modpr_get_pr 31238954
mul_content 2655012
mul_denom 10713359
mulsubii 3882854
nbits2extraprec 1456975823
nbits2ndec 228
nbits2nlong 12677158
nbits2prec 186163010
nbrows 157536999
nchar2nlong 127439923
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26300
nf_get_G 304217
nf_get_M 21308124
nf_get_Tr 22079
nf_get_degree 71370859
nf_get_diff 4459
nf_get_disc 463977
nf_get_index 3712377
nf_get_invzk 9769478
nf_get_pol 98085014
nf_get_r1 23028752
nf_get_r2 4154
nf_get_ramified_primes 64855
nf_get_roots 1628555
nf_get_roundG 1747544
nf_get_sign 519566
nf_get_varn 1503759
nf_get_zk 4382
nf_get_zkden 5464290
nf_get_zkprimpart 5418447
normalize_frac 17206129
odd 2084181070
pari_calloc 47699
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 510860918
pari_malloc 746740071
pari_realloc 1890
pari_realloc_ip 2268810
pari_stack_alloc 1019493185
pari_stack_base 1025119234
pari_stack_delete 5647080
pari_stack_init 6086987
pari_stack_new 924794140
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782890
perm_mul 80929927
perm_sqr 728
pol0_F2x 13241636
pol0_Flx 103511124
pol1_F2x 3956979
pol1_Flx 55088520
pol_0 83002393
pol_1 3756629
pol_x 3858449
pol_xn 2249955
pol_xnall 294
polx_F2x 1078707
polx_Flx 37834539
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43178817
pr_get_e 16105256
pr_get_f 26349922
pr_get_gen 12069580
pr_get_p 92490795
pr_get_tau 49576940
pr_is_inert 17150317
pr_norm 1090238
prec2lg 4468430423
prec2nbits 103969440
prec2nbits_mul 581167
prec2ndec 9778
precdbl 475526
qfb_disc 18514498
qfb_disc3 4995258
qfb_is_qfi 62948047
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8006414181
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 764012
row_i 987
rowcopy 204988
rowpermute 14710507
rowslice 79346672
rowslicepermute 184905
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27642898
sqrfrac 4148213
sqrti 6667008
sqrtnr 2809716
sqrtr 80386468
sstoQ 1097215
sturm 385
submulii 32848628
submuliu 7742
submuliu_inplace 60204800
truecoef 0
trunc_safe 0
ulogint 1720514
upr_norm 346136
uutoQ 1600198
vec_append 3465738
vec_ei 1714760
vec_lengthen 18946
vec_prepend 313993
vec_setconst 0
vec_shorten 11556
vec_to_vecsmall 4036859
veclast 9372739
vecmodii 0
vecmoduu 49784
vecpermute 20545317
vecreverse 697235
vecreverse_inplace 2605
vecslice 656330164
vecslicepermute 2691239
vecsmall_append 4111391
vecsmall_coincidence 0
vecsmall_concat 1464359
vecsmall_copy 4404850
vecsmall_ei 584748
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043259
vecsmall_max 1164726
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186998
vecsmall_reverse 3066
vecsmall_shorten 74586
vecsmall_to_col 7838724
vecsmall_to_vec 511865
vecsmall_to_vec_inplace 3304
vecsmallpermute 78734405
vecsmalltrunc_append 101591379
vecsmalltrunc_init 190683158
vecsplice 384925
vectrunc_append 16161742
vectrunc_append_batch 12306
vectrunc_init 12067146
zc_to_ZC 7824544
zero_F2m 0
zero_F2m_copy 845240
zero_F2v 3648435
zero_F2x 1350
zero_Flm 2830333
zero_Flm_copy 235944
zero_Flv 59568275
zero_Flx 1426678
zero_zm 0
zero_zv 36744639
zero_zx 0
zerocol 122361060
zeromat 109144
zeromatcopy 14251757
zeropadic 855660
zeropadic_shallow 17024
zeropol 42358735
zeroser 138908
zerovec 28455793
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 2184015
zv_to_ZV 503066
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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