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 30530-11e908049b) Lines: 1420 1532 92.7 %
Date: 2025-10-13 09:22:58 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
F2xX_shift 0
F3m_copy 0
F3m_set 0
FlxqX_div 0
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQ_add 0
FpXQ_sub 0
FqXQ_add 0
FqXQ_div 0
FqXQ_inv 0
FqXQ_invsafe 0
FqXQ_pow 0
FqXQ_sqr 0
FqXQ_sub 0
FqX_divrem 0
FqX_halfgcd 0
FqX_integ 0
FqXn_exp 0
FqXn_sqr 0
R_abs 0
RgX_isscalar 0
bid_get_gen_nocheck 0
bid_get_no 0
cbrtr 0
cbrtr_abs 0
closure_get_code 0
gchar_get_U 0
gchar_get_hnf 0
gmaxsg 0
gminsg 0
inv_content 0
is_qfb_t 0
mkcol4s 0
mkerr 0
mkmat5 0
pari_err_FILE 0
pari_err_MAXPRIME 0
pari_err_PACKAGE 0
polx_zx 0
random_Fq 0
truecoef 0
trunc_safe 0
vec_setconst 0
vecmodii 0
vecsmall_coincidence 0
zero_F2m 0
zero_zm 0
zero_zx 0
zm_copy 0
zm_row 0
zm_to_zxV 0
zx_shift 0
zx_to_zv 0
FqX_ddf 7
FqX_factor_squarefree 7
mkrfraccopy 14
pari_err_BUG 14
znstar_get_no 14
RgM_gtomp 21
mkvec4s 21
pari_err_CONSTPOL 21
vecsmall_indexmax 21
vecsmall_indexmin 21
pari_err_FILEDESC 36
F2v_ei 42
RgV_gtofp 56
pari_err_IRREDPOL 63
pari_err_ROOTS0 63
bnr_get_gen_nocheck 70
mkmat4 84
pari_err_COPRIME 84
vecsmall_isin 84
vecsmall_pack 84
gal_get_e 91
mkcol5 94
Z_ispower 98
pari_err_FLAG 98
pari_err_PRIME 98
rnf_get_index 105
ellnf_get_bnf 126
RgX_to_RgV 140
pari_err_OVERFLOW 156
mkvecs 168
FqX_to_mod 175
pari_err_COMPONENT 214
nbits2ndec 228
pari_err_PREC 238
pari_err_PRIORITY 238
zm_transpose 266
rowsplice 273
err_get_compo 294
pol_xnall 294
ellQp_get_prec 308
mkcol3s 315
gchar_get_nfree 322
gchar_get_ntors 322
get_F2xqX_mod 343
rnf_get_disc 350
pari_err_VAR 371
polxn_Flx 371
sturm 385
pari_err_OP 406
pari_err_IMPL 539
vecsmall_lengthen 547
RgC_gtomp 574
rnf_get_varn 574
gchar_get_r2 623
gchar_set_HUUi 630
gchar_set_nalg 630
gchar_set_nfree 630
gchar_set_ntors 630
bnf_get_reg 648
pari_err_DIM 718
perm_sqr 728
Rg_to_Fq 756
F2m_set 798
gchar_set_m0 945
row_i 987
RgM_minor 1036
quad_disc 1085
ellQp_get_p 1134
gchar_copy_precs 1225
gchar_set_prec 1225
rnf_get_invzk 1225
rnf_get_k 1225
locs_get_Lgenfil 1288
locs_get_famod 1288
FqX_powu 1295
pari_err_MODULUS 1316
zero_F2x 1350
rnf_get_idealdisc 1386
rnf_get_alpha 1428
ellQp_get_zero 1463
powIs 1561
gchar_set_basis 1575
gchar_set_cyc 1575
gchar_get_sfu 1743
gchar_set_evalprec 1813
mkintmodu 1813
gchar_get_nm 1869
pari_realloc 1890
RgXQX_div 1904
mkpadic 2009
gchar_get_nalg 2044
gchar_set_nf 2110
gchar_set_u0 2121
vecsmall_min 2345
vecreverse_inplace 2605
pari_err_DOMAIN 2841
rnf_get_ramified_primes 2849
gchar_set_nfprec 2968
vecsmall_reverse 3052
vecsmall_to_vec_inplace 3304
gchar_get_m0 3318
pari_err_TYPE2 3493
get_FpXQX_degree 3589
matpascal 3885
gchar_get_evalprec 4011
gchar_get_modP 4095
FqX_normalize 4123
nf_get_r2 4154
gchar_get_u0 4252
nf_get_zk 4382
nf_get_diff 4438
F2v_copy 4487
FpXQX_div 4526
rnf_get_zk 4830
rnf_get_nfvarn 4886
idealchineseinit 5427
gval 5824
pari_stack_pushp 5851
gal_get_p 6020
FqX_get_red 6090
FqXn_expint 6590
gal_get_orders 6678
is_extscalar_t 6876
pari_err_SQRTN 7084
FqXn_inv 7126
rnf_get_nfzk 7245
FqX_roots 7273
submuliu 7742
bnr_get_gen 7847
get_FlxqX_mod 8033
identity_ZV 8113
gchar_get_mod 8225
locs_get_mod 8225
FqX_gcd 8246
ndec2nbits 8270
bnf_get_no 8372
prec2ndec 9778
cgetalloc 10166
gchar_get_Ui 10983
vec_shorten 11557
vectrunc_append_batch 12306
ZX_equal1 12711
R_abs_shallow 13097
gchar_get_nfprec 13468
closure_get_dbg 13621
zx_renormalize 14049
pari_err_TYPE 15398
gal_get_gen 15449
znstar_get_gen 16150
gchar_get_cyc 16177
mkmat3 17001
zeropadic_shallow 17024
gchar_get_r1 17444
Fp_muls 17780
gchar_get_prec 18795
vec_lengthen 18946
FqX_halve 19411
pari_err_INV 20018
FpXY_Fq_evaly 20587
rnf_get_nfdegree 21455
FqX_mulu 21942
nf_get_Tr 22081
gtomp 22428
FqXQ_mul 22766
RgM_fpnorml2 22781
ZV_dvd 23485
gal_get_mod 23772
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25859
nfV_to_scalar_or_alg 26299
gal_get_den 27874
gal_get_invvdm 27881
absfrac_shallow 28237
zerovec_block 28947
gequalgs 29176
gener_Fq_local 29932
gal_get_roots 32753
gchar_get_basis 32816
F2xqX_div 33173
ndec2prec 33237
mkcolcopy 33497
Qtoss 35322
gal_get_pol 36337
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37051
gchar_get_nc 37261
FqX_rem 37743
F2v_to_F2x 37820
FqX_div 38548
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41507
znstar_get_Ui 46788
pari_calloc 47671
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50519
get_FpXQX_var 51630
locs_get_cyc 52136
div_content 58476
RgX_fpnorml2 61607
err_get_num 62530
bid_get_gen 64274
nf_get_ramified_primes 64813
RgX_is_rational 68306
FqX_sub 68607
mkquad 69118
FqX_div_by_X_x 69629
quadnorm 69881
FqX_sqr 71855
bid_get_ideal 72842
Fq_to_FpXQ 73792
vecsmall_shorten 74576
bnr_get_mod 77119
gal_get_group 80395
mkcol3 88314
gtou 98321
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108852
zeromat 109100
RgV_isin 110130
RgV_isin_i 110130
mkvec2copy 114569
Q_abs_shallow 120248
mkmatcopy 122249
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138513
zeroser 138824
RgV_is_QV 140759
FqX_factor 141051
get_FpXQX_mod 146583
FlxqX_div_pre 165415
znstar_get_U 176107
rowslicepermute 184880
vecsmall_prepend 186991
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200504
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220417
mkcol6 232589
ellR_get_prec 232750
zero_Flm_copy 235923
gchar_get_nf 243932
Fp_halve 247348
affc_fixlg 249595
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277494
gchar_get_zm 281911
bnf_get_tuN 283000
bnf_get_fu_nocheck 289069
bnf_get_tuU 303574
nf_get_G 303577
vec_prepend 313994
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 333155
cxtoreal 337179
upr_norm 346134
RgX_renormalize 349807
abgrp_get_no 355186
ZM_hnfrem 363837
FqX_mul 367815
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384905
RgX_is_QX 400134
perm_conj 418299
FqX_Fq_mul 427293
FqX_extgcd 445048
Z_issquare 458926
nf_get_disc 463870
precdbl 475513
RgX_shift_inplace 479399
RgX_shift_inplace_init 479399
zv_to_ZV 503010
vecsmall_to_vec 511585
nf_get_sign 519552
mkvec3s 524441
gdivsg 531335
addmuliu 541083
FqX_Fp_mul 572124
prec2nbits_mul 581138
vecsmall_ei 584699
ZM_ZV_mod 596609
RgC_fpnorml2 622062
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698152
coltrunc_init 740250
logint 755035
gcmpgs 761928
row 764012
rnf_get_nf 786030
ellff_get_a4a6 800027
zero_F2m_copy 845115
FpXX_renormalize 849896
zeropadic 855749
gmin_shallow 878290
affgr 898817
ZXQ_sqr 961082
cgetc 975624
Flx_lead 980917
polx_F2x 1078286
pr_norm 1088605
sstoQ 1097215
Fp_invsafe 1100348
Flx_mulu 1105222
vecsmall_max 1164625
mkfracss 1209563
RgV_isscalar 1210304
gen_I 1269855
RgX_is_monomial 1331221
mkoo 1331947
bnf_get_sunits 1367780
bnr_get_nf 1368107
guncloneNULL_deep 1386249
rnf_get_absdegree 1392746
zero_Flx 1427028
constant_coeff 1441492
Rg_col_ei 1451299
inf_get_sign 1453055
vecsmall_concat 1464437
nf_get_varn 1503587
bid_get_mod 1521921
F2m_flip 1554050
F2v_flip 1554050
F2x_flip 1554050
F2x_div 1569593
uutoQ 1600142
nf_get_roots 1627833
bnf_get_gen 1680314
vec_ei 1714632
ulogint 1724015
gsubgs 1724194
mkvecsmall5 1730605
nf_get_roundG 1746591
abgrp_get_gen 1765025
ellinf 1868504
modpr_get_p 1888430
killblock 1900632
get_F2x_degree 1929001
Flx_div 1999047
ellnf_get_nf 2027601
ellff_get_field 2036858
bnr_get_bid 2045845
ell_get_j 2126227
bid_get_MOD 2157249
bid_get_sprk 2157975
ZXQ_mul 2162064
pari_realloc_ip 2180453
zv_copy 2184154
bid_get_fact2 2201569
gc_slice 2204876
pol_xn 2249957
bid_get_archp 2397061
bid_get_fact 2498886
get_F2x_mod 2499276
rnf_get_degree 2506307
bnr_get_cyc 2522340
get_F2x_var 2534130
ell_get_b4 2549033
Flv_copy 2555415
mul_content 2654152
RgX_coeff 2669371
vecslicepermute 2690079
hash_str 2754915
cyc_get_expo 2757769
perm_inv 2782873
sqrtnr 2807609
zero_Flm 2829992
bnr_get_clgp 2830015
rnf_get_pol 2845157
znstar_get_pe 2868790
F2x_equal1 2874237
bnf_get_logfu 2874710
gisdouble 2987641
mkpolmod 3105020
Fq_red 3106467
bit_accuracy_mul 3175454
ZV_to_zv 3211415
identity_perm 3242388
F3m_coeff 3256771
identity_zv 3266738
znstar_get_conreygen 3289889
ell_get_b8 3297414
get_FpX_mod 3394309
vec_append 3465602
zero_F2v 3648094
bid_get_U 3680226
bnf_get_cyc 3686066
nf_get_index 3711313
bnr_get_bnf 3750906
pol_1 3756364
pol_x 3856751
ell_get_b6 3861932
mulsubii 3881623
pol1_F2x 3957655
vec_to_vecsmall 4036841
vecsmall_append 4111384
sqrfrac 4147641
vecsmall_copy 4404235
mkcol2s 4416244
F2x_equal 4657033
FpXQX_renormalize 4693280
mkmat 4750879
qfb_disc3 4990873
mkfraccopy 4999063
is_rational_t 5035217
bnf_get_clgp 5374922
pari_stack_delete 5387596
nf_get_zkprimpart 5416248
nf_get_zkden 5462143
FpX_div 5581093
checkell_i 5593253
isintm1 5704256
bid_get_cyc 5739514
bid_get_grp 5804359
pari_stack_init 5835621
col_ei 5925889
get_FpX_degree 6424456
Flm_copy 6433540
sqrti 6665666
get_FpX_var 6957852
RgX_div 7000740
vecsmall_lexcmp 7043259
ell_get_a2 7105469
ZM_lll 7112513
RgX_gtofp 7147671
znstar_get_faN 7330731
ell_get_b2 7369845
ZX_is_monic 7376001
zc_to_ZC 7823828
vecsmall_to_col 7838007
znstar_get_conreycyc 7978902
F2m_coeff 8038862
Q_abs 8062692
mkintmod 8092609
ZV_ZV_mod 8131234
RgM_gtofp 8252417
Flx_equal1 8327432
gc_INT_affii 8491188
ell_get_a4 8536010
Flm_row 8742526
ell_get_a3 8813335
ell_get_a1 8996367
cxtofp 9082862
veclast 9372661
ismpzero 9583649
is_intreal_t 9583751
const_col 9729856
RgM_dimensions 9742230
nf_get_invzk 9765361
bnf_get_nf 9863689
ser_isexactzero 10079479
mkvec4 10105894
ell_get_a6 10370248
mkcol 10641015
ZC_hnfrem 10690826
mul_denom 10710033
ell_get_c4 10728601
Fp_addmul 11358267
pr_get_gen 12062212
vectrunc_init 12065719
abgrp_get_cyc 12230133
F2x_clear 12355373
F2v_clear 12355378
ell_get_type 12499199
nbits2nlong 12646271
ell_get_c6 12891974
pol0_F2x 13240727
gmax_shallow 13510220
modpr_get_T 13867552
closure_get_frame 14147496
zeromatcopy 14240382
rowpermute 14709410
Fp_div 15035643
Fp_divu 15135401
mkvec5 15184865
pr_get_e 15952651
vectrunc_append 16161149
ell_get_disc 16525496
matslice 16817962
pr_is_inert 16910123
normalize_frac 17204667
isint1 17571911
mkvecsmall4 17829579
Fp_center_i 18059570
cxcompotor 18217287
qfb_disc 18514467
const_vecsmall 19663434
vecpermute 20531654
nf_get_M 21172367
Flx_div_pre 21702850
RgM_shallowcopy 22169729
Fp_double 22270286
RgX_is_ZX 22421813
gmulgs 22468577
nf_get_r1 22892739
ZV_isscalar 23098524
Fp_inv 23437550
get_Flx_mod 25598541
pr_get_f 26041257
RgX_equal_var 26880633
shallowcopy 27639548
mkqfb 27919883
zerovec 28455402
Fp_neg 30905026
modpr_get_pr 31237992
hash_str_len 31542944
RgV_is_ZV 32164052
submulii 32847018
mkmat2 33658549
RgC_gtofp 34010920
const_vec 34470379
zero_zv 36737088
polx_Flx 37825479
lincombii 38198805
znstar_get_N 38653757
closure_is_variadic 40152682
mkfrac 41634916
zeropol 42358568
powii 43176750
is_vec_t 43951411
absfrac 46637849
guncloneNULL 48154382
pr_get_tau 48871740
mkmat22 50282597
ell_is_inf 52482832
QV_isscalar 54401584
pol1_Flx 55054203
zero_Flv 59496246
addmuliu_inplace 59770942
submuliu_inplace 60263454
F2x_copy 60414361
gtodouble 60760405
is_real_t 62659213
qfb_is_qfi 62950821
Fp_sqr 64518508
get_Flx_var 68354704
Fp_mulu 68673193
mkvec 71137677
nf_get_degree 71351012
Fp_center 77222249
vecsmallpermute 78731554
rowslice 79339778
sqrtr 80368083
perm_mul 80927130
Fp_red 82092123
get_Flx_degree 82997435
pol_0 82998283
gtos 85833285
is_noncalc_t 85862141
cxnorm 90943052
mkcomplex 91630726
pr_get_p 91708701
dbllog2r 94009631
nf_get_pol 98056691
F2v_set 101403979
vecsmalltrunc_append 101441128
cgiv 102120530
RgX_copy 103404865
pol0_Flx 103500427
mkvecsmall3 104047943
prec2nbits 105719885
vecsmall_prefixcmp 108088071
gc_all 109991724
F2x_renormalize 115233693
mkvec3 120059027
zerocol 122286272
gaddgs 123245777
both_odd 124017331
F2x_set 124748871
nchar2nlong 127392227
mkvecsmall 131662840
equalim1 139504129
bit_prec 143006532
FpX_renormalize 144582701
ZX_renormalize 155044038
mkcol2 156922675
nbrows 157466953
leading_coeff 170555016
Flx_copy 173780590
Fp_add 181506116
mkvec2 185115142
nbits2prec 187632466
vecsmalltrunc_init 190299757
Fp_mul 201063985
Fp_sub 203502512
mkvecsmall2 233603458
gtofp 254228910
gc_GEN 256171267
gmulgu 282058132
lg_increase 316622664
closure_get_data 321211320
closure_get_oper 321236311
closure_codestr 321256879
is_universal_constant 325755406
lgcols 350240296
closure_arity 371106080
is_scalar_t 375642994
bin_copy 497268648
pari_free 510584560
is_bigint 562545770
leafcopy_avma 576746370
vecslice 656023179
is_matvec_t 659779723
F2v_coeff 661327628
F2x_coeff 667899556
pari_malloc 746521648
pari_stack_new 924601027
GENbinbase 964235532
pari_stack_alloc 1019209238
pari_stack_base 1024578980
gc_leaf 1135471917
equali1 1175155367
nbits2extraprec 1498692345
gc_upto 1949552136
odd 2085118244
is_pm1 2202739709
lgpol 2687693563
isintzero 2838657193
bit_accuracy 3163269710
gc_INT 4103896227
prec2lg 4514834261
is_const_t 4890552386
degpol 5509721957
icopy_avma 8035364120
remsBIL 8081178712
divsBIL 8170822054
isonstack 8258137187
is_recursive_t 9244804257

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