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 30472-f680168c62) Lines: 1420 1532 92.7 %
Date: 2025-08-17 09:23:55 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 8039250
F2m_copy 200501
F2m_flip 1554224
F2m_set 798
F2v_clear 12355725
F2v_coeff 661329865
F2v_copy 4487
F2v_ei 42
F2v_flip 1554224
F2v_set 101404426
F2v_to_F2x 37880
F2xX_shift 0
F2x_clear 12355715
F2x_coeff 667930633
F2x_copy 60446135
F2x_div 1570933
F2x_equal 4660200
F2x_equal1 2873969
F2x_flip 1554224
F2x_renormalize 115191326
F2x_set 124737604
F2xqX_div 33173
F3m_coeff 3256664
F3m_copy 0
F3m_set 0
Flm_copy 6431355
Flm_row 8742279
Flv_copy 2555370
Flx_constant 330247
Flx_copy 173772736
Flx_div 1998966
Flx_div_pre 21701605
Flx_equal1 8327197
Flx_lead 980291
Flx_mulu 1105223
FlxqX_div 0
FlxqX_div_pre 165414
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693420
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5578738
FpX_renormalize 144569934
Fp_add 181699795
Fp_addmul 11408430
Fp_center 77225362
Fp_center_i 18054360
Fp_div 15034721
Fp_divu 15134496
Fp_double 22303756
Fp_halve 247348
Fp_inv 23399388
Fp_invsafe 1100359
Fp_mul 201139093
Fp_muls 17780
Fp_mulu 67229869
Fp_neg 30883808
Fp_red 82073627
Fp_sqr 64792145
Fp_sub 203669205
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 572120
FqX_Fq_mul 427290
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 445047
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 367814
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 3106213
Fq_to_FpXQ 73792
GENbinbase 964132634
QV_isscalar 54380163
Q_abs 8062646
Q_abs_shallow 120253
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622074
RgC_gtofp 34014024
RgC_gtomp 574
RgM_dimensions 9741901
RgM_fpnorml2 22781
RgM_gtofp 8252581
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22161143
RgV_gtofp 56
RgV_is_QV 140756
RgV_is_ZV 32159674
RgV_isin 110130
RgV_isin_i 110130
RgV_isscalar 1208177
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669140
RgX_copy 103402267
RgX_div 7000740
RgX_equal_var 26880632
RgX_fpnorml2 61606
RgX_gtofp 7147272
RgX_is_QX 400120
RgX_is_ZX 22417536
RgX_is_monomial 1331278
RgX_is_rational 68305
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
RgX_to_RgV 140
Rg_col_ei 1451268
Rg_to_Fq 756
ZC_hnfrem 10682168
ZM_ZV_mod 596599
ZM_hnfrem 363829
ZM_lll 7110428
ZV_ZV_mod 8129108
ZV_dvd 23485
ZV_isscalar 23092153
ZV_to_zv 3206095
ZXQ_mul 2162083
ZXQ_sqr 961076
ZX_equal1 12711
ZX_is_monic 7376001
ZX_renormalize 154872927
Z_ispower 98
Z_issquare 458926
abgrp_get_cyc 12225947
abgrp_get_gen 1762897
abgrp_get_no 355175
absfrac 46628138
absfrac_shallow 28237
addmuliu 541110
addmuliu_inplace 59708866
affc_fixlg 249592
affgr 898719
bid_get_MOD 2157257
bid_get_U 3680238
bid_get_arch 41188
bid_get_archp 2397130
bid_get_cyc 5739584
bid_get_fact 2498941
bid_get_fact2 2201581
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804444
bid_get_ideal 72842
bid_get_mod 1521921
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157995
bin_copy 497215848
bit_accuracy 3163655843
bit_accuracy_mul 3175421
bit_prec 143011515
bnf_get_clgp 5368450
bnf_get_cyc 3681736
bnf_get_fu 25852
bnf_get_fu_nocheck 289075
bnf_get_gen 1678186
bnf_get_logfu 2872596
bnf_get_nf 9852794
bnf_get_no 8358
bnf_get_reg 648
bnf_get_sunits 1365638
bnf_get_tuN 282998
bnf_get_tuU 303567
bnr_get_bid 2045862
bnr_get_bnf 3750891
bnr_get_clgp 2830035
bnr_get_cyc 2522356
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77119
bnr_get_nf 1368121
bnr_get_no 277496
both_odd 123852610
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 973492
cgiv 102103370
checkell_i 5593322
closure_arity 371257218
closure_codestr 321436747
closure_get_code 0
closure_get_data 321371276
closure_get_dbg 13621
closure_get_frame 14144996
closure_get_oper 321403852
closure_get_text 37051
closure_is_variadic 40152492
col_ei 5923637
coltrunc_init 740250
const_col 9729779
const_vec 34464538
const_vecsmall 19660946
constant_coeff 1441490
cxcompotor 18206793
cxnorm 90888309
cxtofp 9077576
cxtoreal 337204
cyc_get_expo 2755539
cyclic_perm 99911
dbllog2r 93989531
degpol 5498831942
div_content 58476
divsBIL 8168518913
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8996378
ell_get_a2 7105472
ell_get_a3 8813346
ell_get_a4 8536013
ell_get_a6 10370251
ell_get_b2 7369853
ell_get_b4 2549033
ell_get_b6 3861932
ell_get_b8 3297414
ell_get_c4 10728682
ell_get_c6 12892042
ell_get_disc 16525559
ell_get_j 2126227
ell_get_type 12499379
ell_is_inf 52498337
ellff_get_a4a6 800039
ellff_get_field 2036876
ellinf 1868502
ellnf_get_bnf 126
ellnf_get_nf 2027614
equali1 1175067446
equalim1 139503958
err_get_compo 294
err_get_num 62529
gaddgs 123247489
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 256150654
gc_INT 4103884973
gc_INT_affii 8488654
gc_all 109982695
gc_leaf 1132136064
gc_slice 2204708
gc_upto 1949491424
gchar_copy_precs 1202
gchar_get_DLdata 188468
gchar_get_S 36865
gchar_get_U 0
gchar_get_Ui 10969
gchar_get_basis 32639
gchar_get_bnf 203105
gchar_get_cyc 16168
gchar_get_evalprec 4011
gchar_get_hnf 0
gchar_get_loccyc 50347
gchar_get_m0 3321
gchar_get_mod 8225
gchar_get_modP 4095
gchar_get_nalg 2042
gchar_get_nc 37131
gchar_get_nf 241501
gchar_get_nfprec 13419
gchar_get_nfree 322
gchar_get_nm 1841
gchar_get_ns 36865
gchar_get_ntors 322
gchar_get_prec 18732
gchar_get_r1 17416
gchar_get_r2 623
gchar_get_sfu 1748
gchar_get_u0 4267
gchar_get_zm 279434
gchar_set_HUUi 623
gchar_set_basis 1573
gchar_set_cyc 1573
gchar_set_evalprec 1785
gchar_set_m0 950
gchar_set_nalg 623
gchar_set_nf 2077
gchar_set_nfprec 2950
gchar_set_nfree 623
gchar_set_ntors 623
gchar_set_prec 1202
gchar_set_u0 2093
gcmpgs 761935
gdivsg 529208
gen_I 1269714
gener_Fq_local 29931
gequalgs 29176
get_F2x_degree 1929060
get_F2x_mod 2499172
get_F2x_var 2534183
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82221845
get_Flx_mod 25599580
get_Flx_var 68357782
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 6424449
get_FpX_mod 3394343
get_FpX_var 6957734
gisdouble 2987831
gmax_shallow 13510221
gmaxsg 0
gmin_shallow 876299
gminsg 0
gmulgs 22540057
gmulgu 282058132
gsubgs 1727469
gtodouble 60765191
gtofp 254250034
gtomp 22428
gtos 85833157
gtou 104260
guncloneNULL 48154757
guncloneNULL_deep 1387145
gval 5824
hash_str 2753014
hash_str_len 31539804
icopy_avma 8035088131
idealchineseinit 5427
idealred 138524
identity_ZV 8113
identity_perm 3242841
identity_zv 3267191
inf_get_sign 1453120
inv_content 0
is_bigint 562578953
is_const_t 4889432609
is_extscalar_t 6876
is_intreal_t 9575328
is_matvec_t 659922907
is_noncalc_t 85859945
is_pm1 2201296441
is_qfb_t 0
is_rational_t 5035148
is_real_t 62657875
is_recursive_t 9245363336
is_scalar_t 375639527
is_universal_constant 325722096
is_vec_t 43955126
isint1 17571602
isintm1 5703963
isintzero 2838376187
ismpzero 9575220
isonstack 8254822346
killblock 1901005
leading_coeff 170552623
leafcopy_avma 576995199
lg_increase 316435789
lgcols 350188561
lgpol 2680745352
lincombii 38207091
locs_get_Lgenfil 1260
locs_get_Lsprk 191695
locs_get_cyc 51955
locs_get_famod 1260
locs_get_m_infty 207235
locs_get_mod 8225
logint 752820
matpascal 3885
matslice 16818741
mkcol 10635345
mkcol2 156866025
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33503
mkcols 40411
mkcomplex 91619774
mkerr 0
mkfrac 41628268
mkfraccopy 4999632
mkfracss 1209563
mkintmod 8092671
mkintmodu 1813
mkmat 4748647
mkmat2 33649391
mkmat22 50270144
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122234
mkmoo 108834
mkoo 1332029
mkpadic 2009
mkpolmod 3105020
mkqfb 28079615
mkquad 69118
mkrfrac 698152
mkrfraccopy 14
mkvec 71148651
mkvec2 185099967
mkvec2copy 114566
mkvec2s 220413
mkvec3 117707818
mkvec3s 524441
mkvec4 10105796
mkvec4s 21
mkvec5 15182602
mkveccopy 122521
mkvecs 168
mkvecsmall 131680007
mkvecsmall2 233650242
mkvecsmall3 104070213
mkvecsmall4 17823740
mkvecsmall5 1730610
modpr_get_T 13865354
modpr_get_p 1888432
modpr_get_pr 31231319
mul_content 2652088
mul_denom 10707984
mulsubii 3881753
nbits2extraprec 1498271524
nbits2ndec 228
nbits2nlong 12648250
nbits2prec 187606067
nbrows 157449187
nchar2nlong 127378854
ndec2nbits 8270
ndec2nlong 41430
ndec2prec 33160
nfV_to_scalar_or_alg 26292
nf_get_G 303516
nf_get_M 21161647
nf_get_Tr 22083
nf_get_degree 71322386
nf_get_diff 4438
nf_get_disc 463834
nf_get_index 3709035
nf_get_invzk 9761019
nf_get_pol 98018755
nf_get_r1 22884272
nf_get_r2 4140
nf_get_ramified_primes 64813
nf_get_roots 1625426
nf_get_roundG 1744439
nf_get_sign 517290
nf_get_varn 1503586
nf_get_zk 4382
nf_get_zkden 5459992
nf_get_zkprimpart 5414156
normalize_frac 17205162
odd 2085938294
pari_calloc 47650
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 510539606
pari_malloc 746477455
pari_realloc 1890
pari_realloc_ip 2179873
pari_stack_alloc 1019390543
pari_stack_base 1024767254
pari_stack_delete 5406757
pari_stack_init 5834121
pari_stack_new 924775749
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782919
perm_mul 80935418
perm_sqr 728
pol0_F2x 13248357
pol0_Flx 103516377
pol1_F2x 3957956
pol1_Flx 55056671
pol_0 82998189
pol_1 3756355
pol_x 3856836
pol_xn 2249911
pol_xnall 294
polx_F2x 1078849
polx_Flx 37825451
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43176528
pr_get_e 15948026
pr_get_f 26035788
pr_get_gen 12055275
pr_get_p 91688270
pr_get_tau 48860712
pr_is_inert 16905717
pr_norm 1088450
prec2lg 4509877549
prec2nbits 105655011
prec2nbits_mul 581138
prec2ndec 9778
precdbl 475480
qfb_disc 18514518
qfb_disc3 4988740
qfb_is_qfi 62951037
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8078258540
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 764006
row_i 987
rowcopy 204988
rowpermute 14705821
rowslice 79359717
rowslicepermute 184980
rowsplice 273
ser_isexactzero 10079479
shallowcopy 27634958
sqrfrac 4148122
sqrti 6663547
sqrtnr 2807120
sqrtr 80274289
sstoQ 1097215
sturm 385
submulii 32847018
submuliu 7742
submuliu_inplace 60202811
truecoef 0
trunc_safe 0
ulogint 1732687
upr_norm 343931
uutoQ 1600142
vec_append 3461131
vec_ei 1714564
vec_lengthen 18946
vec_prepend 313988
vec_setconst 0
vec_shorten 11548
vec_to_vecsmall 4031496
veclast 9372637
vecmodii 0
vecmoduu 49784
vecpermute 20523641
vecreverse 697235
vecreverse_inplace 2570
vecslice 656439603
vecslicepermute 2691035
vecsmall_append 4111388
vecsmall_coincidence 0
vecsmall_concat 1464435
vecsmall_copy 4404232
vecsmall_ei 584734
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 540
vecsmall_lexcmp 7043256
vecsmall_max 1164603
vecsmall_min 2324
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186991
vecsmall_reverse 3052
vecsmall_shorten 74578
vecsmall_to_col 7833920
vecsmall_to_vec 511571
vecsmall_to_vec_inplace 3304
vecsmallpermute 78740020
vecsmalltrunc_append 101498400
vecsmalltrunc_init 190536014
vecsplice 384893
vectrunc_append 16163584
vectrunc_append_batch 12306
vectrunc_init 12066463
zc_to_ZC 7819738
zero_F2m 0
zero_F2m_copy 845116
zero_F2v 3648081
zero_F2x 1350
zero_Flm 2830455
zero_Flm_copy 235902
zero_Flv 59492683
zero_Flx 1426933
zero_zm 0
zero_zv 36732792
zero_zx 0
zerocol 122279493
zeromat 109087
zeromatcopy 14240564
zeropadic 855804
zeropadic_shallow 17024
zeropol 42358615
zeroser 138824
zerovec 28455232
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 2184110
zv_to_ZV 502996
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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