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 30389-5834e21cc1) Lines: 1420 1532 92.7 %
Date: 2025-07-12 09:22:57 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 8033274
F2m_copy 200494
F2m_flip 1554050
F2m_set 798
F2v_clear 12354602
F2v_coeff 661305311
F2v_copy 4487
F2v_ei 42
F2v_flip 1554050
F2v_set 101397055
F2v_to_F2x 37864
F2xX_shift 0
F2x_clear 12354595
F2x_coeff 667949301
F2x_copy 60417274
F2x_div 1570009
F2x_equal 4656641
F2x_equal1 2874093
F2x_flip 1554050
F2x_renormalize 115174433
F2x_set 124746091
F2xqX_div 33173
F3m_coeff 3256712
F3m_copy 0
F3m_set 0
Flm_copy 6429850
Flm_row 8742559
Flv_copy 2555409
Flx_constant 330260
Flx_copy 173715685
Flx_div 1998965
Flx_div_pre 21683082
Flx_equal1 8327335
Flx_lead 979929
Flx_mulu 1105185
FlxqX_div 0
FlxqX_div_pre 165414
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693710
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5577148
FpX_renormalize 144547433
Fp_add 181851351
Fp_addmul 11448611
Fp_center 77303168
Fp_center_i 18059861
Fp_div 15035757
Fp_divu 15135589
Fp_double 22446054
Fp_halve 247348
Fp_inv 23448906
Fp_invsafe 1100344
Fp_mul 201167294
Fp_muls 17780
Fp_mulu 70127550
Fp_neg 30885703
Fp_red 82033703
Fp_sqr 65199531
Fp_sub 204292862
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 572072
FqX_Fq_mul 427291
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38544
FqX_div_by_X_x 69629
FqX_divrem 0
FqX_extgcd 444994
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 367802
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 3106329
Fq_to_FpXQ 73792
GENbinbase 962641209
QV_isscalar 54377256
Q_abs 8062473
Q_abs_shallow 120247
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622075
RgC_gtofp 34001002
RgC_gtomp 574
RgM_dimensions 9741973
RgM_fpnorml2 22780
RgM_gtofp 8248676
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22158693
RgV_gtofp 56
RgV_is_QV 140756
RgV_is_ZV 31704126
RgV_isin 110130
RgV_isin_i 110130
RgV_isscalar 1208179
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2668699
RgX_copy 103399604
RgX_div 7000390
RgX_equal_var 26880774
RgX_fpnorml2 61607
RgX_gtofp 7139332
RgX_is_QX 400114
RgX_is_ZX 22412870
RgX_is_monomial 1331214
RgX_is_rational 68304
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479266
RgX_shift_inplace_init 479266
RgX_to_RgV 140
Rg_col_ei 1451209
Rg_to_Fq 756
ZC_hnfrem 10682248
ZM_ZV_mod 596590
ZM_hnfrem 363849
ZM_lll 7108127
ZV_ZV_mod 8129036
ZV_dvd 23485
ZV_isscalar 22996839
ZV_to_zv 3206067
ZXQ_mul 2162053
ZXQ_sqr 961045
ZX_equal1 12711
ZX_is_monic 7375968
ZX_renormalize 154876805
Z_ispower 98
Z_issquare 458926
abgrp_get_cyc 12225706
abgrp_get_gen 1762885
abgrp_get_no 355175
absfrac 46617490
absfrac_shallow 27845
addmuliu 541155
addmuliu_inplace 59692278
affc_fixlg 249593
affgr 898817
bid_get_MOD 2157268
bid_get_U 3680246
bid_get_arch 41188
bid_get_archp 2397102
bid_get_cyc 5739561
bid_get_fact 2498933
bid_get_fact2 2201591
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804413
bid_get_ideal 72821
bid_get_mod 1521922
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157993
bin_copy 496471468
bit_accuracy 3161254205
bit_accuracy_mul 3175270
bit_prec 142891588
bnf_get_clgp 5368352
bnf_get_cyc 3681656
bnf_get_fu 25852
bnf_get_fu_nocheck 289071
bnf_get_gen 1678173
bnf_get_logfu 2872543
bnf_get_nf 9852605
bnf_get_no 8358
bnf_get_reg 641
bnf_get_sunits 1365637
bnf_get_tuN 282993
bnf_get_tuU 303557
bnr_get_bid 2045872
bnr_get_bnf 3750922
bnr_get_clgp 2830030
bnr_get_cyc 2522345
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77119
bnr_get_nf 1368122
bnr_get_no 277499
both_odd 123917363
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 973496
cgiv 101997435
checkell_i 4677427
closure_arity 369840575
closure_codestr 319921243
closure_get_code 0
closure_get_data 319888372
closure_get_dbg 13586
closure_get_frame 14209185
closure_get_oper 319907722
closure_get_text 36981
closure_is_variadic 40173627
col_ei 5923621
coltrunc_init 393680
const_col 9729442
const_vec 34524137
const_vecsmall 19487602
constant_coeff 1441259
cxcompotor 18138818
cxnorm 90986484
cxtofp 9044837
cxtoreal 394439
cyc_get_expo 2755542
cyclic_perm 99911
dbllog2r 94076831
degpol 5518491893
div_content 58476
divsBIL 8158089178
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232582
ellR_get_sign 371325
ell_get_a1 7116210
ell_get_a2 5709712
ell_get_a3 6912857
ell_get_a4 6522713
ell_get_a6 7961486
ell_get_b2 5432784
ell_get_b4 2135641
ell_get_b6 3055105
ell_get_b8 2608978
ell_get_c4 8021667
ell_get_c6 8850302
ell_get_disc 11280244
ell_get_j 1295726
ell_get_type 11588169
ell_is_inf 52493682
ellff_get_a4a6 800049
ellff_get_field 2036896
ellinf 1868502
ellnf_get_bnf 126
ellnf_get_nf 2027604
equali1 1299955690
equalim1 139049676
err_get_compo 294
err_get_num 62460
gaddgs 123247423
gal_get_den 27874
gal_get_e 91
gal_get_gen 15449
gal_get_group 80393
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 255284437
gc_INT 4092270808
gc_INT_affii 8483994
gc_all 110091386
gc_leaf 1137319874
gc_slice 2204648
gc_upto 1920315333
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 790672
gdivsg 529207
gen_I 1269483
gener_Fq_local 29931
gequalgs 29176
get_F2x_degree 1929115
get_F2x_mod 2499246
get_F2x_var 2534243
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 83609076
get_Flx_mod 25587019
get_Flx_var 68334295
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 6424475
get_FpX_mod 3394337
get_FpX_var 6942176
gisdouble 2984134
gmax_shallow 13510221
gmaxsg 0
gmin_shallow 876333
gminsg 0
gmulgs 22302980
gmulgu 124184361
gsubgs 1727413
gtodouble 60863518
gtofp 254135740
gtomp 22428
gtos 85832526
gtou 104258
guncloneNULL 48139871
guncloneNULL_deep 1392112
gval 5824
hash_str 2754901
hash_str_len 19321960
icopy_avma 7979784702
idealchineseinit 5427
idealred 138474
identity_ZV 8113
identity_perm 3242629
identity_zv 3266972
inf_get_sign 1453053
inv_content 0
is_bigint 560937563
is_const_t 4917019927
is_extscalar_t 6876
is_intreal_t 9574846
is_matvec_t 658110477
is_noncalc_t 85757358
is_pm1 2192080859
is_qfb_t 0
is_rational_t 5034649
is_real_t 62657703
is_recursive_t 9267878188
is_scalar_t 374714898
is_universal_constant 292283687
is_vec_t 43490109
isint1 17114356
isintm1 5703226
isintzero 2832457365
ismpzero 9574726
isonstack 8215083572
killblock 1903377
leading_coeff 170547146
leafcopy_avma 572087634
lg_increase 310438612
lgcols 350023303
lgpol 2688812256
lincombii 38191465
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 752790
matpascal 3885
matslice 16814821
mkcol 10634543
mkcol2 156711873
mkcol2s 4415404
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232484
mkcolcopy 33502
mkcols 40411
mkcomplex 91720452
mkerr 0
mkfrac 41618317
mkfraccopy 4959269
mkfracss 1209444
mkintmod 8092756
mkintmodu 1813
mkmat 4748647
mkmat2 33192508
mkmat22 50181958
mkmat22s 207508
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122235
mkmoo 108813
mkoo 1331982
mkpadic 2009
mkpolmod 3105001
mkqfb 28076230
mkquad 69118
mkrfrac 698152
mkrfraccopy 14
mkvec 70402790
mkvec2 184127970
mkvec2copy 114565
mkvec2s 220402
mkvec3 121509469
mkvec3s 524441
mkvec4 6767075
mkvec4s 21
mkvec5 14725326
mkveccopy 122507
mkvecs 168
mkvecsmall 131125342
mkvecsmall2 232630869
mkvecsmall3 103821465
mkvecsmall4 17830409
mkvecsmall5 1730605
modpr_get_T 13865404
modpr_get_p 1888432
modpr_get_pr 31231382
mul_content 2651968
mul_denom 10706165
mulsubii 3880643
nbits2extraprec 1498437350
nbits2ndec 228
nbits2nlong 12660823
nbits2prec 186970150
nbrows 157489276
nchar2nlong 124503114
ndec2nbits 8270
ndec2nlong 41521
ndec2prec 33251
nfV_to_scalar_or_alg 26293
nf_get_G 303003
nf_get_M 21067054
nf_get_Tr 22080
nf_get_degree 71318369
nf_get_diff 4438
nf_get_disc 463830
nf_get_index 3707914
nf_get_invzk 9757962
nf_get_pol 98009377
nf_get_r1 22789664
nf_get_r2 4140
nf_get_ramified_primes 64813
nf_get_roots 1621214
nf_get_roundG 1743873
nf_get_sign 517284
nf_get_varn 1503534
nf_get_zk 4382
nf_get_zkden 5458328
nf_get_zkprimpart 5412544
normalize_frac 17044978
odd 2079846737
pari_calloc 47580
pari_err_BUG 14
pari_err_COMPONENT 214
pari_err_CONSTPOL 21
pari_err_COPRIME 84
pari_err_DIM 718
pari_err_DOMAIN 2820
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 509802339
pari_malloc 741326076
pari_realloc 1890
pari_realloc_ip 2178915
pari_stack_alloc 717939599
pari_stack_base 723312216
pari_stack_delete 5416657
pari_stack_init 5843465
pari_stack_new 623691878
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782823
perm_mul 80930634
perm_sqr 728
pol0_F2x 13247065
pol0_Flx 103506854
pol1_F2x 3958557
pol1_Flx 55036937
pol_0 82993620
pol_1 3756143
pol_x 3824852
pol_xn 2249900
pol_xnall 294
polx_F2x 1078411
polx_Flx 37815461
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43176239
pr_get_e 15947240
pr_get_f 25979169
pr_get_gen 12051878
pr_get_p 91649878
pr_get_tau 48824074
pr_is_inert 16889348
pr_norm 1086424
prec2lg 4513288207
prec2nbits 105881916
prec2nbits_mul 581139
prec2ndec 9778
precdbl 475360
qfb_disc 18514506
qfb_disc3 4987056
qfb_is_qfi 62957493
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8068067727
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 763991
row_i 987
rowcopy 204988
rowpermute 14704853
rowslice 79345142
rowslicepermute 184580
rowsplice 273
ser_isexactzero 10079479
shallowcopy 27634661
sqrfrac 4144548
sqrti 6706779
sqrtnr 2800091
sqrtr 80236021
sstoQ 1097131
sturm 385
submulii 32847018
submuliu 7742
submuliu_inplace 60183179
truecoef 0
trunc_safe 0
ulogint 1711591
upr_norm 343930
uutoQ 159002008
vec_append 3461207
vec_ei 1714575
vec_lengthen 18946
vec_prepend 314097
vec_setconst 0
vec_shorten 11550
vec_to_vecsmall 4031455
veclast 7093202
vecmodii 0
vecmoduu 49784
vecpermute 20518515
vecreverse 697060
vecreverse_inplace 2570
vecslice 656278164
vecslicepermute 2689488
vecsmall_append 4111386
vecsmall_coincidence 0
vecsmall_concat 1464429
vecsmall_copy 4404215
vecsmall_ei 584714
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 526
vecsmall_lexcmp 7209077
vecsmall_max 1164618
vecsmall_min 2324
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186991
vecsmall_reverse 3052
vecsmall_shorten 74577
vecsmall_to_col 7834340
vecsmall_to_vec 511536
vecsmall_to_vec_inplace 3304
vecsmallpermute 78735361
vecsmalltrunc_append 101536841
vecsmalltrunc_init 188242181
vecsplice 384891
vectrunc_append 15286158
vectrunc_append_batch 12306
vectrunc_init 11717124
zc_to_ZC 7820157
zero_F2m 0
zero_F2m_copy 845092
zero_F2v 3647516
zero_F2x 1350
zero_Flm 2830295
zero_Flm_copy 235888
zero_Flv 59549885
zero_Flx 1426936
zero_zm 0
zero_zv 36795289
zero_zx 0
zerocol 122242349
zeromat 109085
zeromatcopy 14233750
zeropadic 855726
zeropadic_shallow 17024
zeropol 42358597
zeroser 138810
zerovec 26922985
zerovec_block 28947
zm_copy 0
zm_row 0
zm_to_zxV 0
zm_transpose 266
znstar_get_N 38653372
znstar_get_U 176051
znstar_get_Ui 46788
znstar_get_conreycyc 7978755
znstar_get_conreygen 3289875
znstar_get_cyc 261990
znstar_get_faN 7330493
znstar_get_gen 16150
znstar_get_no 14
znstar_get_pe 2868776
zv_copy 2184149
zv_to_ZV 502975
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

Generated by: LCOV version 1.16