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 30532-0c728fd268) Lines: 1419 1532 92.6 %
Date: 2025-10-24 09:22:31 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 8036659
F2m_copy 200485
F2m_flip 1553434
F2m_set 798
F2v_clear 12354037
F2v_coeff 661313965
F2v_copy 4487
F2v_ei 42
F2v_flip 1553434
F2v_set 101401936
F2v_to_F2x 37695
F2xX_shift 0
F2x_clear 12354036
F2x_coeff 667858173
F2x_copy 59733213
F2x_div 1557260
F2x_equal 4602738
F2x_equal1 2873940
F2x_flip 1553434
F2x_renormalize 114383254
F2x_set 124541754
F2xqX_div 33173
F3m_coeff 3256668
F3m_copy 0
F3m_set 0
Flm_copy 6433560
Flm_row 8742273
Flv_copy 2555354
Flx_constant 333154
Flx_copy 173759355
Flx_div 1999001
Flx_div_pre 21702357
Flx_equal1 8327205
Flx_lead 980509
Flx_mulu 1105208
FlxqX_div 0
FlxqX_div_pre 165415
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693169
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5581074
FpX_renormalize 144578701
Fp_add 181621321
Fp_addmul 11395598
Fp_center 77202640
Fp_center_i 18048446
Fp_div 15035753
Fp_divu 15135487
Fp_double 22350190
Fp_halve 247348
Fp_inv 23437780
Fp_invsafe 1100358
Fp_mul 201112095
Fp_muls 17780
Fp_mulu 67183819
Fp_neg 30903380
Fp_red 82094720
Fp_sqr 64684493
Fp_sub 203601690
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 572133
FqX_Fq_mul 427293
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 445051
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 367816
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 3106506
Fq_to_FpXQ 73792
GENbinbase 964240541
QV_isscalar 54400409
Q_abs 8062601
Q_abs_shallow 120245
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622067
RgC_gtofp 34009136
RgC_gtomp 574
RgM_dimensions 9742029
RgM_fpnorml2 22781
RgM_gtofp 8251972
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22169777
RgV_gtofp 56
RgV_is_QV 140758
RgV_is_ZV 32164054
RgV_isin 110130
RgV_isin_i 110130
RgV_isscalar 1210302
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669371
RgX_copy 103405037
RgX_div 7000740
RgX_equal_var 26880633
RgX_fpnorml2 61608
RgX_gtofp 7147724
RgX_is_QX 400128
RgX_is_ZX 22421764
RgX_is_monomial 1331278
RgX_is_rational 68302
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
RgX_to_RgV 140
Rg_col_ei 1451296
Rg_to_Fq 756
ZC_hnfrem 10690757
ZM_ZV_mod 596590
ZM_hnfrem 363869
ZM_lll 7112243
ZV_ZV_mod 8131206
ZV_dvd 23485
ZV_isscalar 23098332
ZV_to_zv 3211414
ZXQ_mul 2162052
ZXQ_sqr 961078
ZX_equal1 12711
ZX_is_monic 7376009
ZX_renormalize 155043403
Z_ispower 98
Z_issquare 458924
abgrp_get_cyc 12230126
abgrp_get_gen 1765021
abgrp_get_no 355181
absfrac 46637718
absfrac_shallow 28237
addmuliu 541056
addmuliu_inplace 59687491
affc_fixlg 249596
affgr 898817
bid_get_MOD 2157249
bid_get_U 3680228
bid_get_arch 41188
bid_get_archp 2397066
bid_get_cyc 5739509
bid_get_fact 2498902
bid_get_fact2 2201570
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804361
bid_get_ideal 72842
bid_get_mod 1521921
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157977
bin_copy 497269133
bit_accuracy 3159567306
bit_accuracy_mul 3175454
bit_prec 143010554
bnf_get_clgp 5374910
bnf_get_cyc 3686060
bnf_get_fu 25859
bnf_get_fu_nocheck 289078
bnf_get_gen 1680307
bnf_get_logfu 2874711
bnf_get_nf 9863680
bnf_get_no 8372
bnf_get_reg 648
bnf_get_sunits 1367780
bnf_get_tuN 283014
bnf_get_tuU 303586
bnr_get_bid 2045865
bnr_get_bnf 3750911
bnr_get_clgp 2829999
bnr_get_cyc 2522336
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77119
bnr_get_nf 1368113
bnr_get_no 277490
both_odd 124098217
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975623
cgiv 102104317
checkell_i 5593212
closure_arity 371245904
closure_codestr 321423361
closure_get_code 0
closure_get_data 321358121
closure_get_dbg 13621
closure_get_frame 14147385
closure_get_oper 321391885
closure_get_text 37051
closure_is_variadic 40152779
col_ei 5925791
coltrunc_init 740250
const_col 9729867
const_vec 34467880
const_vecsmall 19663466
constant_coeff 1441503
cxcompotor 18219287
cxnorm 90945884
cxtofp 9083848
cxtoreal 337178
cyc_get_expo 2757767
cyclic_perm 99911
dbllog2r 94011842
degpol 5499994454
div_content 58477
divsBIL 8167832998
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8996368
ell_get_a2 7105466
ell_get_a3 8813336
ell_get_a4 8536007
ell_get_a6 10370245
ell_get_b2 7369849
ell_get_b4 2549033
ell_get_b6 3861932
ell_get_b8 3297414
ell_get_c4 10728582
ell_get_c6 12891959
ell_get_disc 16525487
ell_get_j 2126227
ell_get_type 12499114
ell_is_inf 52515294
ellff_get_a4a6 800028
ellff_get_field 2036853
ellinf 1868500
ellnf_get_bnf 126
ellnf_get_nf 2027593
equali1 1175134639
equalim1 139504354
err_get_compo 294
err_get_num 62530
gaddgs 123245763
gal_get_den 27874
gal_get_e 91
gal_get_gen 15449
gal_get_group 80394
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 256164698
gc_INT 4104450596
gc_INT_affii 8484083
gc_all 109990818
gc_leaf 1132421613
gc_slice 2204939
gc_upto 1949561122
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 243932
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 761917
gdivsg 531335
gen_I 1269861
gener_Fq_local 29932
gequalgs 29176
get_F2x_degree 1928917
get_F2x_mod 2499138
get_F2x_var 2534029
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82214516
get_Flx_mod 25595816
get_Flx_var 68347124
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 6424315
get_FpX_mod 3394332
get_FpX_var 6957828
gisdouble 2987745
gmax_shallow 13510220
gmaxsg 0
gmin_shallow 878303
gminsg 0
gmulgs 22471064
gmulgu 282058132
gsubgs 1724185
gtodouble 60766677
gtofp 254186240
gtomp 22428
gtos 85833264
gtou 98320
guncloneNULL 48156414
guncloneNULL_deep 1388354
gval 5824
hash_str 2754915
hash_str_len 31542863
icopy_avma 8035353073
idealchineseinit 5427
idealred 138519
identity_ZV 8113
identity_perm 3242523
identity_zv 3266872
inf_get_sign 1453116
inv_content 0
is_bigint 562544083
is_const_t 4889635280
is_extscalar_t 6876
is_intreal_t 9583760
is_matvec_t 659927842
is_noncalc_t 85861372
is_pm1 2201687034
is_qfb_t 0
is_rational_t 5035183
is_real_t 62659214
is_recursive_t 9244583870
is_scalar_t 375642936
is_universal_constant 325747400
is_vec_t 43951389
isint1 17572052
isintm1 5704399
isintzero 2838714335
ismpzero 9583639
isonstack 8255789566
killblock 1901770
leading_coeff 170554268
leafcopy_avma 576874316
lg_increase 322014350
lgcols 350235732
lgpol 2679975958
lincombii 38188624
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 755032
matpascal 3885
matslice 16817398
mkcol 10641008
mkcol2 156910328
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33501
mkcols 40411
mkcomplex 91641918
mkerr 0
mkfrac 41637183
mkfraccopy 4998898
mkfracss 1209563
mkintmod 8092619
mkintmodu 1813
mkmat 4750779
mkmat2 33657903
mkmat22 50280289
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122242
mkmoo 108851
mkoo 1332011
mkpadic 2009
mkpolmod 3105017
mkqfb 27919471
mkquad 69118
mkrfrac 698152
mkrfraccopy 14
mkvec 71133663
mkvec2 186206834
mkvec2copy 114570
mkvec2s 220415
mkvec3 117721707
mkvec3s 524441
mkvec4 10105889
mkvec4s 21
mkvec5 15184791
mkveccopy 122521
mkvecs 168
mkvecsmall 131601318
mkvecsmall2 233601982
mkvecsmall3 104046099
mkvecsmall4 17832882
mkvecsmall5 1730616
modpr_get_T 13867502
modpr_get_p 1888432
modpr_get_pr 31237853
mul_content 2654044
mul_denom 10709698
mulsubii 3881250
nbits2extraprec 1498693197
nbits2ndec 228
nbits2nlong 12645567
nbits2prec 187640823
nbrows 157464912
nchar2nlong 127389792
ndec2nbits 8270
ndec2nlong 41507
ndec2prec 33237
nfV_to_scalar_or_alg 26300
nf_get_G 303588
nf_get_M 21172151
nf_get_Tr 22084
nf_get_degree 71349742
nf_get_diff 4438
nf_get_disc 463862
nf_get_index 3711280
nf_get_invzk 9765361
nf_get_pol 98055482
nf_get_r1 22892615
nf_get_r2 4154
nf_get_ramified_primes 64813
nf_get_roots 1627835
nf_get_roundG 1746609
nf_get_sign 519550
nf_get_varn 1503589
nf_get_zk 4382
nf_get_zkden 5462121
nf_get_zkprimpart 5416255
normalize_frac 17204426
odd 2085691383
pari_calloc 47671
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 510588310
pari_malloc 746514244
pari_realloc 1890
pari_realloc_ip 2180097
pari_stack_alloc 1019403689
pari_stack_base 1024778262
pari_stack_delete 5397242
pari_stack_init 5835322
pari_stack_new 924796618
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782862
perm_mul 80927155
perm_sqr 728
pol0_F2x 13191282
pol0_Flx 103439496
pol1_F2x 3956959
pol1_Flx 55047965
pol_0 82998302
pol_1 3756322
pol_x 3856818
pol_xn 2249959
pol_xnall 294
polx_F2x 1073383
polx_Flx 37820602
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43176744
pr_get_e 15952525
pr_get_f 26040546
pr_get_gen 12062006
pr_get_p 91707578
pr_get_tau 48870888
pr_is_inert 16909862
pr_norm 1088531
prec2lg 4514721342
prec2nbits 105717957
prec2nbits_mul 581137
prec2ndec 9778
precdbl 475526
qfb_disc 18514445
qfb_disc3 4990671
qfb_is_qfi 62942726
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8078237230
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 764010
row_i 987
rowcopy 204988
rowpermute 14709262
rowslice 79336832
rowslicepermute 184685
rowsplice 273
ser_isexactzero 10079479
shallowcopy 27639752
sqrfrac 4147714
sqrti 6665679
sqrtnr 2807571
sqrtr 80372103
sstoQ 1097215
sturm 385
submulii 32847018
submuliu 7742
submuliu_inplace 60182517
truecoef 0
trunc_safe 0
ulogint 1731146
upr_norm 346135
uutoQ 1600142
vec_append 3465551
vec_ei 1714605
vec_lengthen 18946
vec_prepend 313997
vec_setconst 0
vec_shorten 11556
vec_to_vecsmall 4036834
veclast 9372649
vecmodii 0
vecmoduu 49784
vecpermute 20528586
vecreverse 697235
vecreverse_inplace 2605
vecslice 656076313
vecslicepermute 2689139
vecsmall_append 4111357
vecsmall_coincidence 0
vecsmall_concat 1464407
vecsmall_copy 4404113
vecsmall_ei 584721
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043259
vecsmall_max 1164475
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186991
vecsmall_reverse 3052
vecsmall_shorten 74576
vecsmall_to_col 7837482
vecsmall_to_vec 511585
vecsmall_to_vec_inplace 3304
vecsmallpermute 78731611
vecsmalltrunc_append 101435626
vecsmalltrunc_init 192522790
vecsplice 384900
vectrunc_append 16162527
vectrunc_append_batch 12306
vectrunc_init 12066241
zc_to_ZC 7823301
zero_F2m 0
zero_F2m_copy 845055
zero_F2v 3647838
zero_F2x 1350
zero_Flm 2830123
zero_Flm_copy 235913
zero_Flv 59480264
zero_Flx 1426872
zero_zm 0
zero_zv 36722009
zero_zx 0
zerocol 122280048
zeromat 109124
zeromatcopy 14239667
zeropadic 855739
zeropadic_shallow 17024
zeropol 42358579
zeroser 138824
zerovec 28455390
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 2184095
zv_to_ZV 503010
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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