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 30640-c2c58e18c5) Lines: 1420 1535 92.5 %
Date: 2026-01-27 08:51:18 Functions: 649 707 91.8 %
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
mkvec5s 0
mkvec6 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
znstar_get_no 14
pari_err_BUG 20
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
vecsmall_isin 84
vecsmall_pack 84
gal_get_e 91
pari_err_COPRIME 91
mkcol5 94
Z_ispower 98
pari_err_FLAG 98
pari_err_PRIME 98
rnf_get_index 105
ellnf_get_bnf 119
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 245
zm_transpose 266
rowsplice 267
err_get_compo 287
pol_xnall 294
mkvec6s 301
ellQp_get_prec 308
mkcol3s 315
gchar_get_nfree 322
gchar_get_ntors 322
get_F2xqX_mod 343
rnf_get_disc 357
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 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 1398
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_reverse 2263
vecsmall_min 2345
vecreverse_inplace 2605
rnf_get_ramified_primes 2819
pari_err_DOMAIN 2862
gchar_set_nfprec 2968
vecsmall_to_vec_inplace 3304
gchar_get_m0 3318
pari_err_TYPE2 3493
get_FpXQX_degree 3589
matpascal 3983
gchar_get_evalprec 4011
gchar_get_modP 4095
FqX_normalize 4102
nf_get_r2 4154
gchar_get_u0 4252
nf_get_diff 4313
nf_get_zk 4382
F2v_copy 4487
FpXQX_div 4526
rnf_get_zk 4800
rnf_get_nfvarn 4886
idealchineseinit 5427
gal_get_orders 5436
pari_stack_pushp 5851
gal_get_p 5868
FqX_get_red 6090
vec_shorten 6175
gval 6230
FqXn_expint 6590
is_extscalar_t 6876
pari_err_SQRTN 7084
FqXn_inv 7126
rnf_get_nfzk 7155
FqX_roots 7273
submuliu 7700
get_FlxqX_mod 7841
bnr_get_gen 7847
identity_ZV 8011
FqX_gcd 8204
gchar_get_mod 8225
locs_get_mod 8225
ndec2nbits 8270
bnf_get_no 8372
vectrunc_append_batch 9667
prec2ndec 9778
cgetalloc 10166
gchar_get_Ui 10983
FqX_div 11947
ZX_equal1 12850
R_abs_shallow 13097
gchar_get_nfprec 13468
closure_get_dbg 13680
zx_renormalize 14049
gal_get_gen 14067
pari_err_TYPE 15370
znstar_get_gen 16150
gchar_get_cyc 16177
mkmat3 17001
zeropadic_shallow 17024
bid_get_arch 17181
gchar_get_r1 17444
RgM_fpnorml2 17617
Fp_muls 17780
gener_Fq_local 18336
gchar_get_prec 18795
vec_lengthen 18942
FqX_halve 19411
pari_err_INV 20011
FpXY_Fq_evaly 20587
rnf_get_nfdegree 21425
FqX_mulu 21942
nf_get_Tr 22081
gtomp 22428
gal_get_mod 22444
FqXQ_mul 22766
ZV_dvd 23485
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25859
gal_get_den 25995
gal_get_invvdm 26002
nfV_to_scalar_or_alg 26300
absfrac_shallow 27055
gequalgs 29176
zerovec_block 29654
gal_get_roots 30722
mkcolcopy 31047
RgX_is_rational 32415
gchar_get_basis 32816
F2xqX_div 33173
ndec2prec 33314
nf_get_ramified_primes 34060
gal_get_pol 34282
Qtoss 35322
F2v_to_F2x 36055
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37144
gchar_get_nc 37261
FqX_rem 37743
FqX_deriv 40061
mkcols 40411
ndec2nlong 41584
znstar_get_Ui 46788
pari_calloc 47720
FqX_degfact 47786
RgX_fpnorml2 48505
bid_get_sarch 48594
bnr_get_mod 48897
div_content 49390
vecmoduu 49784
gchar_get_loccyc 50519
get_FpXQX_var 51630
locs_get_cyc 52136
mkmatcopy 57922
err_get_num 62586
bid_get_gen 62912
FlxqX_div_pre 66128
FqX_sub 68607
zeromat 68913
mkquad 69118
FqX_div_by_X_x 69699
quadnorm 69881
FqX_sqr 71855
bid_get_ideal 72830
Fq_to_FpXQ 73652
vecsmall_shorten 74683
gal_get_group 79624
mkcol3 88314
mkmoo 95371
RgV_isin 98566
RgV_isin_i 98566
cyclic_perm 99911
mkvec2copy 100191
gtou 100718
mkcol4 103467
zv_to_zx 104146
F2m_copy 107626
Q_abs_shallow 107972
bnf_get_tuN 120679
RgV_is_QV 122018
mkveccopy 122521
bnf_get_fu_nocheck 125441
RgXQX_rem 127449
FqX_add 127694
idealred 133873
rnf_get_map 135599
FqX_factor 136493
zeroser 138908
bnf_get_tuU 139887
get_FpXQX_mod 146583
bnr_get_no 146733
rowslicepermute 147938
FqX_Fq_mul 174789
znstar_get_U 176107
vec_prepend 176904
vecsmall_prepend 186151
gchar_get_DLdata 190673
locs_get_Lsprk 193935
get_F2xqX_degree 200851
mkvec2s 203891
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
zero_Flm_copy 213781
abgrp_get_no 224194
ZM_hnfrem 231661
mkcol6 232470
ellR_get_prec 232750
gchar_get_nf 243946
Fp_halve 247271
nf_get_G 248753
affc_fixlg 249622
rnf_get_nfpol 255354
znstar_get_cyc 262088
get_FlxqX_var 263088
FqXn_mul 263403
gchar_get_zm 281911
FqX_mul 283321
Flx_constant 302606
upr_norm 304061
FqX_extgcd 308934
get_FlxqX_degree 316179
rnf_get_polabs 325288
cxtoreal 337203
nf_get_disc 338674
ZM_ZV_mod 347456
RgX_renormalize 349807
vecsplice 356223
RgX_is_QX 363421
ellR_get_sign 371535
get_F2xqX_var 375375
perm_conj 418299
precdbl 433551
Z_issquare 453169
RgX_shift_inplace 473599
RgX_shift_inplace_init 473599
zv_to_ZV 499990
nf_get_sign 507635
vecsmall_to_vec 508789
FqX_Fp_mul 512155
mkvec3s 524441
gdivsg 531589
addmuliu 535862
RgC_fpnorml2 539698
vecsmall_ei 553855
zero_F2m_copy 562879
prec2nbits_mul 581164
gcmpgs 635661
FqX_is_squarefree 683802
logint 691428
vecreverse 697277
mkrfrac 698331
gmin_shallow 729878
coltrunc_init 740250
row 755899
rnf_get_nf 776696
ellff_get_a4a6 800054
FpXX_renormalize 847997
zeropadic 855757
affgr 898901
ZXQ_sqr 910181
Flx_lead 913659
Fp_invsafe 923851
pr_norm 944427
cgetc 975456
polx_F2x 990941
bnr_get_nf 1054735
sstoQ 1097215
Flx_mulu 1104696
vecsmall_max 1126577
Rg_col_ei 1140119
RgV_isscalar 1143405
mkfracss 1209563
bnf_get_sunits 1220002
nf_get_roots 1229148
mkoo 1237311
constant_coeff 1237803
gen_I 1243125
nf_get_varn 1246361
RgX_is_monomial 1256791
inf_get_sign 1344931
zero_Flx 1371719
rnf_get_absdegree 1392746
vecsmall_concat 1407220
bnf_get_gen 1408454
F2x_div 1474129
guncloneNULL_deep 1477999
bid_get_mod 1480119
abgrp_get_gen 1491805
F2m_flip 1540215
F2v_flip 1540215
F2x_flip 1540215
vec_ei 1587127
uutoQ 1600198
nf_get_roundG 1612656
mkvecsmall5 1649619
ulogint 1710885
gsubgs 1722945
Flx_div 1758880
bnr_get_bid 1769450
bid_get_MOD 1786163
bid_get_sprk 1786894
bid_get_fact2 1804643
gc_slice 1850309
modpr_get_p 1855149
ellinf 1869843
bid_get_archp 1889012
get_F2x_degree 1926688
killblock 1941574
bid_get_fact 1953301
ellnf_get_nf 2027240
ZXQ_mul 2030693
ellff_get_field 2036907
bnr_get_cyc 2045032
mul_content 2083010
ell_get_j 2126269
zv_copy 2183879
pol_xn 2192336
bnr_get_clgp 2221265
pari_realloc_ip 2299446
cyc_get_expo 2358481
FpXQX_renormalize 2436398
get_F2x_mod 2478502
get_F2x_var 2482190
bnf_get_logfu 2486144
vecslicepermute 2499414
rnf_get_degree 2506305
gisdouble 2519965
Flv_copy 2530829
ell_get_b4 2550216
sqrtnr 2623026
perm_inv 2623475
RgX_coeff 2669861
zero_Flm 2674628
hash_str 2760636
zero_F2v 2766214
F2x_equal1 2809607
rnf_get_pol 2845162
znstar_get_pe 2869063
identity_perm 2997896
identity_zv 3021700
mkpolmod 3043488
Fq_red 3072779
get_FpX_mod 3152591
nf_get_index 3157437
ZV_to_zv 3160924
bit_accuracy_mul 3175451
F3m_coeff 3179144
vec_append 3229355
bid_get_U 3267339
bnr_get_bnf 3289505
znstar_get_conreygen 3290176
ell_get_b8 3297414
bnf_get_cyc 3368740
pol_1 3445891
pol_x 3489475
mulsubii 3511754
vecsmall_copy 3535073
pol1_F2x 3855409
ell_get_b6 3863115
vec_to_vecsmall 3918737
vecsmall_append 3967598
sqrfrac 4054034
mkmat 4391666
mkcol2s 4416244
col_ei 4537565
is_rational_t 4556405
F2x_equal 4568663
get_FpX_degree 4683325
FpX_div 4762365
bnf_get_clgp 4785745
qfb_disc3 4791689
nf_get_zkprimpart 4798141
nf_get_zkden 4830982
mkfraccopy 4972245
bid_get_cyc 5010256
bid_get_grp 5073749
get_FpX_var 5160442
isintm1 5419533
Flm_copy 5555562
checkell_i 5593256
pari_stack_delete 5773752
pari_stack_init 6235584
RgX_gtofp 6272942
sqrti 6377562
ZM_lll 6616335
ZV_ZV_mod 6866014
RgX_div 6997372
vecsmall_lexcmp 7034376
ell_get_a2 7106194
Flx_equal1 7150744
ZX_is_monic 7203654
znstar_get_faN 7331711
ell_get_b2 7371039
F2m_coeff 7551215
zc_to_ZC 7699364
vecsmall_to_col 7713502
cxtofp 7815381
Q_abs 7835280
znstar_get_conreycyc 7979693
RgM_gtofp 8015964
mkintmod 8072052
gc_INT_affii 8135491
Flm_row 8235149
RgM_dimensions 8354439
ell_get_a4 8536735
nf_get_invzk 8566167
ell_get_a3 8814072
bnf_get_nf 8885028
ell_get_a1 8997105
veclast 9086705
ZC_hnfrem 9089071
ismpzero 9245276
is_intreal_t 9245380
const_col 9561177
mkcol 9674118
F2x_clear 9766154
F2v_clear 9766156
mkvec4 9864301
mul_denom 9996828
pr_get_gen 10033595
ser_isexactzero 10120284
ell_get_a6 10370973
abgrp_get_cyc 10706164
ell_get_c4 11016636
Fp_addmul 11166623
vectrunc_init 11421360
nbits2nlong 11509274
ell_get_type 12498826
modpr_get_T 12921356
pol0_F2x 13076282
zeromatcopy 13141531
ell_get_c6 13473095
rowpermute 13498793
gmax_shallow 13503177
closure_get_frame 13829610
mkvec5 14272258
pr_get_e 14796996
Fp_div 15035016
Fp_divu 15129607
pr_is_inert 15394590
vectrunc_append 15424635
matslice 15654472
cxcompotor 15681539
Fp_center_i 16490053
ell_get_disc 16812749
isint1 17011656
normalize_frac 17050684
const_vecsmall 17055391
Flx_div_pre 18103689
qfb_disc 18435779
mkvecsmall4 18528943
vecpermute 18688938
RgM_shallowcopy 19160682
RgX_is_ZX 20874774
gmulgs 20914730
nf_get_M 20953619
Fp_double 21060425
Fp_inv 21946892
get_Flx_mod 22252597
nf_get_r1 22437323
ZV_isscalar 22912375
pr_get_f 23043465
shallowcopy 25450621
mkqfb 26467939
RgX_equal_var 26878517
zerovec 27516786
modpr_get_pr 29651803
Fp_neg 30392187
const_vec 30481576
hash_str_len 30885071
submulii 31593656
RgV_is_ZV 31976097
mkmat2 32467441
RgC_gtofp 32772461
polx_Flx 34190579
zero_zv 34480928
lincombii 35095651
znstar_get_N 38655073
mkfrac 41235783
zeropol 42336809
powii 42925553
is_vec_t 43678904
closure_is_variadic 44983567
pr_get_tau 45620466
absfrac 45650860
guncloneNULL 46415346
pol1_Flx 47569334
mkmat22 49242515
QV_isscalar 50329834
ell_is_inf 52310785
gtodouble 53860395
addmuliu_inplace 55128491
submuliu_inplace 55498123
zero_Flv 55792118
get_Flx_var 57678267
F2x_copy 59449746
is_real_t 62035779
qfb_is_qfi 62320361
Fp_sqr 64469419
nf_get_degree 64954481
Fp_mulu 68064410
mkvec 69621867
get_Flx_degree 72435775
rowslice 73160052
Fp_center 74130021
vecsmallpermute 74428029
sqrtr 74960450
perm_mul 76587632
Fp_red 78254384
mkcomplex 80983897
pol_0 82612861
cxnorm 84438077
is_noncalc_t 85462689
gtos 85855091
pr_get_p 86141363
dbllog2r 86610445
mkvecsmall3 87086642
nf_get_pol 88389526
pol0_Flx 94628967
cgiv 95352057
F2v_set 99113737
vecsmalltrunc_append 100563224
prec2nbits 101643564
gc_all 102034170
RgX_copy 102923046
zerocol 107972890
vecsmall_prefixcmp 108088071
F2x_renormalize 113495389
mkvec3 115958160
nchar2nlong 119452209
mkvecsmall 120322758
F2x_set 122177892
both_odd 122386637
gaddgs 123246321
bit_prec 129327057
FpX_renormalize 132267073
ZX_renormalize 133033454
equalim1 139288213
nbrows 140650321
mkcol2 151985313
Flx_copy 155949041
leading_coeff 159553781
nbits2prec 174564659
mkvec2 175042591
Fp_add 180558798
vecsmalltrunc_init 188662943
Fp_mul 195565924
mkvecsmall2 198711362
Fp_sub 203702017
gc_GEN 238999428
gtofp 240537365
gmulgu 282059157
lg_increase 313210837
closure_get_data 321057849
closure_get_oper 321095223
closure_codestr 321133197
lgcols 321553718
is_universal_constant 325060428
is_scalar_t 368118422
closure_arity 370615770
bin_copy 457777623
pari_free 470620512
leafcopy_avma 529758693
is_bigint 554365127
vecslice 625009220
is_matvec_t 630094603
F2v_coeff 652967675
F2x_coeff 659517440
pari_malloc 704059402
GENbinbase 888667050
pari_stack_new 914898831
pari_stack_alloc 1009219829
pari_stack_base 1014996371
gc_leaf 1080351983
equali1 1139954316
nbits2extraprec 1427567537
gc_upto 1859693196
odd 2032151874
is_pm1 2126567853
lgpol 2497392334
isintzero 2653533170
bit_accuracy 2999252110
gc_INT 3878508561
prec2lg 4190944048
is_const_t 4713873024
degpol 5103531995
remsBIL 7588887655
divsBIL 7673093489
icopy_avma 7700152839
isonstack 7877573567
is_recursive_t 8553106167

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