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
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 540
RgC_gtomp 574
rnf_get_varn 574
gchar_get_r2 623
gchar_set_HUUi 623
gchar_set_nalg 623
gchar_set_nfree 623
gchar_set_ntors 623
bnf_get_reg 648
pari_err_DIM 718
perm_sqr 728
Rg_to_Fq 756
F2m_set 798
gchar_set_m0 950
row_i 987
RgM_minor 1036
quad_disc 1085
ellQp_get_p 1134
gchar_copy_precs 1202
gchar_set_prec 1202
rnf_get_invzk 1225
rnf_get_k 1225
locs_get_Lgenfil 1260
locs_get_famod 1260
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 1573
gchar_set_cyc 1573
gchar_get_sfu 1748
gchar_set_evalprec 1785
mkintmodu 1813
gchar_get_nm 1841
pari_realloc 1890
RgXQX_div 1904
mkpadic 2009
gchar_get_nalg 2042
gchar_set_nf 2077
gchar_set_u0 2093
vecsmall_min 2324
vecreverse_inplace 2570
pari_err_DOMAIN 2841
rnf_get_ramified_primes 2849
gchar_set_nfprec 2950
vecsmall_reverse 3052
vecsmall_to_vec_inplace 3304
gchar_get_m0 3321
pari_err_TYPE2 3493
get_FpXQX_degree 3589
matpascal 3885
gchar_get_evalprec 4011
gchar_get_modP 4095
FqX_normalize 4123
nf_get_r2 4140
gchar_get_u0 4267
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 8358
prec2ndec 9778
cgetalloc 10166
gchar_get_Ui 10969
vec_shorten 11548
vectrunc_append_batch 12306
ZX_equal1 12711
R_abs_shallow 13097
gchar_get_nfprec 13419
closure_get_dbg 13621
zx_renormalize 14049
pari_err_TYPE 15398
gal_get_gen 15449
znstar_get_gen 16150
gchar_get_cyc 16168
mkmat3 17001
zeropadic_shallow 17024
gchar_get_r1 17416
Fp_muls 17780
gchar_get_prec 18732
vec_lengthen 18946
FqX_halve 19411
pari_err_INV 20018
FpXY_Fq_evaly 20587
rnf_get_nfdegree 21455
FqX_mulu 21942
nf_get_Tr 22083
gtomp 22428
FqXQ_mul 22766
RgM_fpnorml2 22781
ZV_dvd 23485
gal_get_mod 23772
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25852
nfV_to_scalar_or_alg 26292
gal_get_den 27874
gal_get_invvdm 27881
absfrac_shallow 28237
zerovec_block 28947
gequalgs 29176
gener_Fq_local 29931
gchar_get_basis 32639
gal_get_roots 32753
ndec2prec 33160
F2xqX_div 33173
mkcolcopy 33503
Qtoss 35322
gal_get_pol 36337
gchar_get_S 36865
gchar_get_ns 36865
closure_get_text 37051
gchar_get_nc 37131
FqX_rem 37743
F2v_to_F2x 37880
FqX_div 38548
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41430
znstar_get_Ui 46788
pari_calloc 47650
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50347
get_FpXQX_var 51630
locs_get_cyc 51955
div_content 58476
RgX_fpnorml2 61606
err_get_num 62529
bid_get_gen 64274
nf_get_ramified_primes 64813
RgX_is_rational 68305
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 74578
bnr_get_mod 77119
gal_get_group 80395
mkcol3 88314
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
gtou 104260
mkmoo 108834
zeromat 109087
RgV_isin 110130
RgV_isin_i 110130
mkvec2copy 114566
Q_abs_shallow 120253
mkmatcopy 122234
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138524
zeroser 138824
RgV_is_QV 140756
FqX_factor 141051
get_FpXQX_mod 146583
FlxqX_div_pre 165414
znstar_get_U 176107
rowslicepermute 184980
vecsmall_prepend 186991
gchar_get_DLdata 188468
locs_get_Lsprk 191695
F2m_copy 200501
get_F2xqX_degree 200851
gchar_get_bnf 203105
rowcopy 204988
locs_get_m_infty 207235
mkmat22s 207578
mkvec2s 220413
mkcol6 232589
ellR_get_prec 232750
zero_Flm_copy 235902
gchar_get_nf 241501
Fp_halve 247348
affc_fixlg 249592
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277496
gchar_get_zm 279434
bnf_get_tuN 282998
bnf_get_fu_nocheck 289075
nf_get_G 303516
bnf_get_tuU 303567
vec_prepend 313988
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 330247
cxtoreal 337204
upr_norm 343931
RgX_renormalize 349807
abgrp_get_no 355175
ZM_hnfrem 363829
FqX_mul 367814
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384893
RgX_is_QX 400120
perm_conj 418299
FqX_Fq_mul 427290
FqX_extgcd 445047
Z_issquare 458926
nf_get_disc 463834
precdbl 475480
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
zv_to_ZV 502996
vecsmall_to_vec 511571
nf_get_sign 517290
mkvec3s 524441
gdivsg 529208
addmuliu 541110
FqX_Fp_mul 572120
prec2nbits_mul 581138
vecsmall_ei 584734
ZM_ZV_mod 596599
RgC_fpnorml2 622074
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698152
coltrunc_init 740250
logint 752820
gcmpgs 761935
row 764006
rnf_get_nf 786030
ellff_get_a4a6 800039
zero_F2m_copy 845116
FpXX_renormalize 849896
zeropadic 855804
gmin_shallow 876299
affgr 898719
ZXQ_sqr 961076
cgetc 973492
Flx_lead 980291
polx_F2x 1078849
pr_norm 1088450
sstoQ 1097215
Fp_invsafe 1100359
Flx_mulu 1105223
vecsmall_max 1164603
RgV_isscalar 1208177
mkfracss 1209563
gen_I 1269714
RgX_is_monomial 1331278
mkoo 1332029
bnf_get_sunits 1365638
bnr_get_nf 1368121
guncloneNULL_deep 1387145
rnf_get_absdegree 1392746
zero_Flx 1426933
constant_coeff 1441490
Rg_col_ei 1451268
inf_get_sign 1453120
vecsmall_concat 1464435
nf_get_varn 1503586
bid_get_mod 1521921
F2m_flip 1554224
F2v_flip 1554224
F2x_flip 1554224
F2x_div 1570933
uutoQ 1600142
nf_get_roots 1625426
bnf_get_gen 1678186
vec_ei 1714564
gsubgs 1727469
mkvecsmall5 1730610
ulogint 1732687
nf_get_roundG 1744439
abgrp_get_gen 1762897
ellinf 1868502
modpr_get_p 1888432
killblock 1901005
get_F2x_degree 1929060
Flx_div 1998966
ellnf_get_nf 2027614
ellff_get_field 2036876
bnr_get_bid 2045862
ell_get_j 2126227
bid_get_MOD 2157257
bid_get_sprk 2157995
ZXQ_mul 2162083
pari_realloc_ip 2179873
zv_copy 2184110
bid_get_fact2 2201581
gc_slice 2204708
pol_xn 2249911
bid_get_archp 2397130
bid_get_fact 2498941
get_F2x_mod 2499172
rnf_get_degree 2506307
bnr_get_cyc 2522356
get_F2x_var 2534183
ell_get_b4 2549033
Flv_copy 2555370
mul_content 2652088
RgX_coeff 2669140
vecslicepermute 2691035
hash_str 2753014
cyc_get_expo 2755539
perm_inv 2782919
sqrtnr 2807120
bnr_get_clgp 2830035
zero_Flm 2830455
rnf_get_pol 2845157
znstar_get_pe 2868790
bnf_get_logfu 2872596
F2x_equal1 2873969
gisdouble 2987831
mkpolmod 3105020
Fq_red 3106213
bit_accuracy_mul 3175421
ZV_to_zv 3206095
identity_perm 3242841
F3m_coeff 3256664
identity_zv 3267191
znstar_get_conreygen 3289889
ell_get_b8 3297414
get_FpX_mod 3394343
vec_append 3461131
zero_F2v 3648081
bid_get_U 3680238
bnf_get_cyc 3681736
nf_get_index 3709035
bnr_get_bnf 3750891
pol_1 3756355
pol_x 3856836
ell_get_b6 3861932
mulsubii 3881753
pol1_F2x 3957956
vec_to_vecsmall 4031496
vecsmall_append 4111388
sqrfrac 4148122
vecsmall_copy 4404232
mkcol2s 4416244
F2x_equal 4660200
FpXQX_renormalize 4693420
mkmat 4748647
qfb_disc3 4988740
mkfraccopy 4999632
is_rational_t 5035148
bnf_get_clgp 5368450
pari_stack_delete 5406757
nf_get_zkprimpart 5414156
nf_get_zkden 5459992
FpX_div 5578738
checkell_i 5593322
isintm1 5703963
bid_get_cyc 5739584
bid_get_grp 5804444
pari_stack_init 5834121
col_ei 5923637
get_FpX_degree 6424449
Flm_copy 6431355
sqrti 6663547
get_FpX_var 6957734
RgX_div 7000740
vecsmall_lexcmp 7043256
ell_get_a2 7105472
ZM_lll 7110428
RgX_gtofp 7147272
znstar_get_faN 7330731
ell_get_b2 7369853
ZX_is_monic 7376001
zc_to_ZC 7819738
vecsmall_to_col 7833920
znstar_get_conreycyc 7978902
F2m_coeff 8039250
Q_abs 8062646
mkintmod 8092671
ZV_ZV_mod 8129108
RgM_gtofp 8252581
Flx_equal1 8327197
gc_INT_affii 8488654
ell_get_a4 8536013
Flm_row 8742279
ell_get_a3 8813346
ell_get_a1 8996378
cxtofp 9077576
veclast 9372637
ismpzero 9575220
is_intreal_t 9575328
const_col 9729779
RgM_dimensions 9741901
nf_get_invzk 9761019
bnf_get_nf 9852794
ser_isexactzero 10079479
mkvec4 10105796
ell_get_a6 10370251
mkcol 10635345
ZC_hnfrem 10682168
mul_denom 10707984
ell_get_c4 10728682
Fp_addmul 11408430
pr_get_gen 12055275
vectrunc_init 12066463
abgrp_get_cyc 12225947
F2x_clear 12355715
F2v_clear 12355725
ell_get_type 12499379
nbits2nlong 12648250
ell_get_c6 12892042
pol0_F2x 13248357
gmax_shallow 13510221
modpr_get_T 13865354
closure_get_frame 14144996
zeromatcopy 14240564
rowpermute 14705821
Fp_div 15034721
Fp_divu 15134496
mkvec5 15182602
pr_get_e 15948026
vectrunc_append 16163584
ell_get_disc 16525559
matslice 16818741
pr_is_inert 16905717
normalize_frac 17205162
isint1 17571602
mkvecsmall4 17823740
Fp_center_i 18054360
cxcompotor 18206793
qfb_disc 18514518
const_vecsmall 19660946
vecpermute 20523641
nf_get_M 21161647
Flx_div_pre 21701605
RgM_shallowcopy 22161143
Fp_double 22303756
RgX_is_ZX 22417536
gmulgs 22540057
nf_get_r1 22884272
ZV_isscalar 23092153
Fp_inv 23399388
get_Flx_mod 25599580
pr_get_f 26035788
RgX_equal_var 26880632
shallowcopy 27634958
mkqfb 28079615
zerovec 28455232
Fp_neg 30883808
modpr_get_pr 31231319
hash_str_len 31539804
RgV_is_ZV 32159674
submulii 32847018
mkmat2 33649391
RgC_gtofp 34014024
const_vec 34464538
zero_zv 36732792
polx_Flx 37825451
lincombii 38207091
znstar_get_N 38653757
closure_is_variadic 40152492
mkfrac 41628268
zeropol 42358615
powii 43176528
is_vec_t 43955126
absfrac 46628138
guncloneNULL 48154757
pr_get_tau 48860712
mkmat22 50270144
ell_is_inf 52498337
QV_isscalar 54380163
pol1_Flx 55056671
zero_Flv 59492683
addmuliu_inplace 59708866
submuliu_inplace 60202811
F2x_copy 60446135
gtodouble 60765191
is_real_t 62657875
qfb_is_qfi 62951037
Fp_sqr 64792145
Fp_mulu 67229869
get_Flx_var 68357782
mkvec 71148651
nf_get_degree 71322386
Fp_center 77225362
vecsmallpermute 78740020
rowslice 79359717
sqrtr 80274289
perm_mul 80935418
Fp_red 82073627
get_Flx_degree 82221845
pol_0 82998189
gtos 85833157
is_noncalc_t 85859945
cxnorm 90888309
mkcomplex 91619774
pr_get_p 91688270
dbllog2r 93989531
nf_get_pol 98018755
F2v_set 101404426
vecsmalltrunc_append 101498400
cgiv 102103370
RgX_copy 103402267
pol0_Flx 103516377
mkvecsmall3 104070213
prec2nbits 105655011
vecsmall_prefixcmp 108088071
gc_all 109982695
F2x_renormalize 115191326
mkvec3 117707818
zerocol 122279493
gaddgs 123247489
both_odd 123852610
F2x_set 124737604
nchar2nlong 127378854
mkvecsmall 131680007
equalim1 139503958
bit_prec 143011515
FpX_renormalize 144569934
ZX_renormalize 154872927
mkcol2 156866025
nbrows 157449187
leading_coeff 170552623
Flx_copy 173772736
Fp_add 181699795
mkvec2 185099967
nbits2prec 187606067
vecsmalltrunc_init 190536014
Fp_mul 201139093
Fp_sub 203669205
mkvecsmall2 233650242
gtofp 254250034
gc_GEN 256150654
gmulgu 282058132
lg_increase 316435789
closure_get_data 321371276
closure_get_oper 321403852
closure_codestr 321436747
is_universal_constant 325722096
lgcols 350188561
closure_arity 371257218
is_scalar_t 375639527
bin_copy 497215848
pari_free 510539606
is_bigint 562578953
leafcopy_avma 576995199
vecslice 656439603
is_matvec_t 659922907
F2v_coeff 661329865
F2x_coeff 667930633
pari_malloc 746477455
pari_stack_new 924775749
GENbinbase 964132634
pari_stack_alloc 1019390543
pari_stack_base 1024767254
gc_leaf 1132136064
equali1 1175067446
nbits2extraprec 1498271524
gc_upto 1949491424
odd 2085938294
is_pm1 2201296441
lgpol 2680745352
isintzero 2838376187
bit_accuracy 3163655843
gc_INT 4103884973
prec2lg 4509877549
is_const_t 4889432609
degpol 5498831942
icopy_avma 8035088131
remsBIL 8078258540
divsBIL 8168518913
isonstack 8254822346
is_recursive_t 9245363336

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