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 30387-12623f1693) Lines: 1420 1532 92.7 %
Date: 2025-07-10 09:22:50 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 8031053
F2m_copy 200481
F2m_flip 1553484
F2m_set 798
F2v_clear 12353405
F2v_coeff 661290838
F2v_copy 4487
F2v_ei 42
F2v_flip 1553484
F2v_set 101395129
F2v_to_F2x 37685
F2xX_shift 0
F2x_clear 12353408
F2x_coeff 667880156
F2x_copy 59619564
F2x_div 1557001
F2x_equal 4600835
F2x_equal1 2874017
F2x_flip 1553484
F2x_renormalize 114261847
F2x_set 124523357
F2xqX_div 33173
F3m_coeff 3256666
F3m_copy 0
F3m_set 0
Flm_copy 6429909
Flm_row 8742533
Flv_copy 2555302
Flx_constant 330264
Flx_copy 173924293
Flx_div 1998985
Flx_div_pre 21689591
Flx_equal1 8327319
Flx_lead 980232
Flx_mulu 1105215
FlxqX_div 0
FlxqX_div_pre 165414
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693612
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5577190
FpX_renormalize 144542620
Fp_add 181838867
Fp_addmul 11441025
Fp_center 77293566
Fp_center_i 18060703
Fp_div 15034912
Fp_divu 15134678
Fp_double 22421502
Fp_halve 247348
Fp_inv 23449173
Fp_invsafe 1100347
Fp_mul 201154538
Fp_muls 17780
Fp_mulu 66813622
Fp_neg 30883493
Fp_red 82034209
Fp_sqr 65206563
Fp_sub 204249677
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 572071
FqX_Fq_mul 427292
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 444991
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 367803
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 3106393
Fq_to_FpXQ 73792
GENbinbase 963294890
QV_isscalar 54378055
Q_abs 8062502
Q_abs_shallow 120248
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622078
RgC_gtofp 34000459
RgC_gtomp 574
RgM_dimensions 9741773
RgM_fpnorml2 22781
RgM_gtofp 8248993
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22159252
RgV_gtofp 56
RgV_is_QV 140756
RgV_is_ZV 31718999
RgV_isin 110130
RgV_isin_i 110130
RgV_isscalar 1208177
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2668699
RgX_copy 103399505
RgX_div 7000390
RgX_equal_var 26880769
RgX_fpnorml2 61607
RgX_gtofp 7139774
RgX_is_QX 400116
RgX_is_ZX 22413046
RgX_is_monomial 1331200
RgX_is_rational 68306
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479266
RgX_shift_inplace_init 479266
RgX_to_RgV 140
Rg_col_ei 1451253
Rg_to_Fq 756
ZC_hnfrem 10682185
ZM_ZV_mod 596601
ZM_hnfrem 363837
ZM_lll 7108395
ZV_ZV_mod 8129035
ZV_dvd 23485
ZV_isscalar 22996937
ZV_to_zv 3206065
ZXQ_mul 2162046
ZXQ_sqr 961044
ZX_equal1 12711
ZX_is_monic 7375970
ZX_renormalize 154865739
Z_ispower 98
Z_issquare 458909
abgrp_get_cyc 12225698
abgrp_get_gen 1762884
abgrp_get_no 355160
absfrac 46617516
absfrac_shallow 27845
addmuliu 541101
addmuliu_inplace 59772694
affc_fixlg 249591
affgr 898817
bid_get_MOD 2157264
bid_get_U 3680244
bid_get_arch 41187
bid_get_archp 2397093
bid_get_cyc 5739545
bid_get_fact 2498927
bid_get_fact2 2201584
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804396
bid_get_ideal 72821
bid_get_mod 1521921
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157992
bin_copy 496810959
bit_accuracy 3157209788
bit_accuracy_mul 3175270
bit_prec 142880658
bnf_get_clgp 5368361
bnf_get_cyc 3681662
bnf_get_fu 25850
bnf_get_fu_nocheck 289079
bnf_get_gen 1678172
bnf_get_logfu 2872546
bnf_get_nf 9852610
bnf_get_no 8358
bnf_get_reg 641
bnf_get_sunits 1365637
bnf_get_tuN 282995
bnf_get_tuU 303557
bnr_get_bid 2045864
bnr_get_bnf 3750897
bnr_get_clgp 2830032
bnr_get_cyc 2522342
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77118
bnr_get_nf 1368109
bnr_get_no 277499
both_odd 124230130
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 973493
cgiv 101979812
checkell_i 4677453
closure_arity 370529757
closure_codestr 320647002
closure_get_code 0
closure_get_data 320592265
closure_get_dbg 13586
closure_get_frame 14209121
closure_get_oper 320620204
closure_get_text 36981
closure_is_variadic 40158762
col_ei 5923635
coltrunc_init 393680
const_col 9729470
const_vec 34524427
const_vecsmall 19488334
constant_coeff 1441259
cxcompotor 18138844
cxnorm 90987598
cxtofp 9044831
cxtoreal 394437
cyc_get_expo 2755551
cyclic_perm 99911
dbllog2r 94076453
degpol 5512431162
div_content 58477
divsBIL 8154894532
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232582
ellR_get_sign 371325
ell_get_a1 7116204
ell_get_a2 5709706
ell_get_a3 6912851
ell_get_a4 6522707
ell_get_a6 7961480
ell_get_b2 5432784
ell_get_b4 2135641
ell_get_b6 3055105
ell_get_b8 2608978
ell_get_c4 8021664
ell_get_c6 8850311
ell_get_disc 11280243
ell_get_j 1295726
ell_get_type 11588214
ell_is_inf 52784556
ellff_get_a4a6 800043
ellff_get_field 2036878
ellinf 1868510
ellnf_get_bnf 126
ellnf_get_nf 2027607
equali1 1300057943
equalim1 139041928
err_get_compo 294
err_get_num 62459
gaddgs 123247394
gal_get_den 27874
gal_get_e 91
gal_get_gen 15449
gal_get_group 80392
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 255360635
gc_INT 4092221048
gc_INT_affii 8480875
gc_all 110218624
gc_leaf 1133605159
gc_slice 2204789
gc_upto 1920398179
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 790667
gdivsg 529206
gen_I 1269492
gener_Fq_local 29932
gequalgs 29176
get_F2x_degree 1928996
get_F2x_mod 2499189
get_F2x_var 2534111
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 81955293
get_Flx_mod 25587560
get_Flx_var 68333604
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 6424428
get_FpX_mod 3394327
get_FpX_var 6942034
gisdouble 2984112
gmax_shallow 13510221
gmaxsg 0
gmin_shallow 876349
gminsg 0
gmulgs 22258405
gmulgu 124184360
gsubgs 1727418
gtodouble 60864670
gtofp 254146527
gtomp 22428
gtos 85817080
gtou 104364
guncloneNULL 48136582
guncloneNULL_deep 1387156
gval 5824
hash_str 2754901
hash_str_len 19322011
icopy_avma 7979923680
idealchineseinit 5427
idealred 138474
identity_ZV 8113
identity_perm 3242383
identity_zv 3266725
inf_get_sign 1453061
inv_content 0
is_bigint 560941896
is_const_t 4916527734
is_extscalar_t 6876
is_intreal_t 9574906
is_matvec_t 658851504
is_noncalc_t 85757706
is_pm1 2190348916
is_qfb_t 0
is_rational_t 5034678
is_real_t 62657700
is_recursive_t 9268367759
is_scalar_t 374742615
is_universal_constant 292226955
is_vec_t 43511283
isint1 17114435
isintm1 5703279
isintzero 2831826443
ismpzero 9574797
isonstack 8212598690
killblock 1900894
leading_coeff 170543534
leafcopy_avma 572548390
lg_increase 321870039
lgcols 350104328
lgpol 2682356866
lincombii 38194743
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 752788
matpascal 3885
matslice 16814534
mkcol 10634451
mkcol2 156710040
mkcol2s 4415404
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232484
mkcolcopy 33503
mkcols 40411
mkcomplex 91718124
mkerr 0
mkfrac 41613260
mkfraccopy 4959332
mkfracss 1209444
mkintmod 8092733
mkintmodu 1813
mkmat 4748569
mkmat2 33190088
mkmat22 50180416
mkmat22s 207508
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122254
mkmoo 108814
mkoo 1331992
mkpadic 2009
mkpolmod 3105002
mkqfb 28076853
mkquad 69118
mkrfrac 698152
mkrfraccopy 14
mkvec 70418796
mkvec2 186551821
mkvec2copy 114564
mkvec2s 220403
mkvec3 116544505
mkvec3s 524441
mkvec4 6767868
mkvec4s 21
mkvec5 14725249
mkveccopy 122507
mkvecs 168
mkvecsmall 131073437
mkvecsmall2 232754754
mkvecsmall3 104096262
mkvecsmall4 17861670
mkvecsmall5 1731509
modpr_get_T 13865356
modpr_get_p 1888432
modpr_get_pr 31231291
mul_content 2652054
mul_denom 10706305
mulsubii 3881976
nbits2extraprec 1498360066
nbits2ndec 228
nbits2nlong 12662700
nbits2prec 186953944
nbrows 157488095
nchar2nlong 124503255
ndec2nbits 8270
ndec2nlong 41521
ndec2prec 33251
nfV_to_scalar_or_alg 26293
nf_get_G 303085
nf_get_M 21067147
nf_get_Tr 22083
nf_get_degree 71319410
nf_get_diff 4438
nf_get_disc 463833
nf_get_index 3707910
nf_get_invzk 9758042
nf_get_pol 98010636
nf_get_r1 22789744
nf_get_r2 4140
nf_get_ramified_primes 64813
nf_get_roots 1621297
nf_get_roundG 1743964
nf_get_sign 517282
nf_get_varn 1503575
nf_get_zk 4382
nf_get_zkden 5458430
nf_get_zkprimpart 5412627
normalize_frac 17045152
odd 2082099494
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 510133287
pari_malloc 741610452
pari_realloc 1890
pari_realloc_ip 2178515
pari_stack_alloc 718567730
pari_stack_base 723969411
pari_stack_delete 5402390
pari_stack_init 5842642
pari_stack_new 624384251
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782846
perm_mul 80928802
perm_sqr 728
pol0_F2x 13192442
pol0_Flx 103452287
pol1_F2x 3957611
pol1_Flx 55036684
pol_0 82993650
pol_1 3756125
pol_x 3824935
pol_xn 2249893
pol_xnall 294
polx_F2x 1073389
polx_Flx 38053109
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43195786
pr_get_e 15947607
pr_get_f 25979567
pr_get_gen 12052098
pr_get_p 91650089
pr_get_tau 48824309
pr_is_inert 16889554
pr_norm 1086507
prec2lg 4513122087
prec2nbits 105880797
prec2nbits_mul 581139
prec2ndec 9778
precdbl 475368
qfb_disc 18515298
qfb_disc3 4987362
qfb_is_qfi 63017026
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8064758281
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 763989
row_i 987
rowcopy 204988
rowpermute 14704832
rowslice 79335998
rowslicepermute 184743
rowsplice 273
ser_isexactzero 10079479
shallowcopy 27635456
sqrfrac 4144530
sqrti 6706765
sqrtnr 2800210
sqrtr 80235952
sstoQ 1097131
sturm 385
submulii 32847018
submuliu 7742
submuliu_inplace 60267664
truecoef 0
trunc_safe 0
ulogint 1727872
upr_norm 343929
uutoQ 159002008
vec_append 3461234
vec_ei 1714600
vec_lengthen 18969
vec_prepend 314100
vec_setconst 0
vec_shorten 11549
vec_to_vecsmall 4031465
veclast 7093198
vecmodii 0
vecmoduu 49784
vecpermute 20519276
vecreverse 697060
vecreverse_inplace 2570
vecslice 656161101
vecslicepermute 2689706
vecsmall_append 4107945
vecsmall_coincidence 0
vecsmall_concat 1464409
vecsmall_copy 4404202
vecsmall_ei 584728
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 526
vecsmall_lexcmp 7209171
vecsmall_max 1164558
vecsmall_min 2324
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186991
vecsmall_reverse 3052
vecsmall_shorten 74672
vecsmall_to_col 7834603
vecsmall_to_vec 511536
vecsmall_to_vec_inplace 3304
vecsmallpermute 78733173
vecsmalltrunc_append 101404353
vecsmalltrunc_init 192902665
vecsplice 384885
vectrunc_append 15529666
vectrunc_append_batch 12278
vectrunc_init 11956444
zc_to_ZC 7820421
zero_F2m 0
zero_F2m_copy 845075
zero_F2v 3647291
zero_F2x 1350
zero_Flm 2830013
zero_Flm_copy 236097
zero_Flv 59536185
zero_Flx 1427025
zero_zm 0
zero_zv 36779766
zero_zx 0
zerocol 122242963
zeromat 109099
zeromatcopy 14234333
zeropadic 855746
zeropadic_shallow 17024
zeropol 42358620
zeroser 138810
zerovec 26922943
zerovec_block 28933
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 2184040
zv_to_ZV 502975
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

Generated by: LCOV version 1.16