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 30145-32f0acf4da) Lines: 1426 1569 90.9 %
Date: 2025-04-18 09:18:41 Functions: 648 719 90.1 %
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
gabsz 0
gaddz 0
gchar_get_U 0
gchar_get_hnf 0
gdiventz 0
gdivz 0
gmaxsg 0
gminsg 0
gmodz 0
gmul2nz 0
gmulz 0
gnegz 0
gshiftz 0
gsubz 0
inv_content 0
is_qfb_t 0
mkcol4s 0
mkerr 0
mkmat5 0
mkpadic 0
mpcosz 0
mpexpz 0
mplogz 0
mpsinz 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
vecsmall_lengthen 526
pari_err_IMPL 539
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 641
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 1078
ellQp_get_p 1134
gchar_copy_precs 1202
gchar_set_prec 1202
rnf_get_alpha 1204
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
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
gchar_get_nalg 2042
gchar_set_nf 2077
gchar_set_u0 2093
vecsmall_min 2324
vecreverse_inplace 2570
rnf_get_ramified_primes 2611
pari_err_DOMAIN 2771
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
FqX_normalize 4053
gchar_get_modP 4095
nf_get_r2 4140
gchar_get_u0 4267
identity_ZV 4333
nf_get_zk 4382
nf_get_diff 4438
F2v_copy 4487
FpXQX_div 4526
rnf_get_zk 4592
rnf_get_nfvarn 4886
idealchineseinit 5427
gval 5796
pari_stack_pushp 5851
gal_get_p 6020
FqX_get_red 6090
rnf_get_nfzk 6559
FqXn_expint 6590
gal_get_orders 6664
is_extscalar_t 6876
pari_err_SQRTN 7084
FqXn_inv 7126
FqX_roots 7273
submuliu 7728
bnr_get_gen 7847
get_FlxqX_mod 8033
FqX_gcd 8106
gchar_get_mod 8225
locs_get_mod 8225
ndec2nbits 8270
bnf_get_no 8358
prec2ndec 9778
vectrunc_append_batch 9821
cgetalloc 10159
gchar_get_Ui 10969
vec_shorten 11549
ZX_equal1 12549
R_abs_shallow 13083
gchar_get_nfprec 13419
closure_get_dbg 13523
zx_renormalize 14049
gener_Fq_local 14595
pari_err_TYPE 15384
gal_get_gen 15435
znstar_get_gen 16150
gchar_get_cyc 16168
mkmat3 17001
zeropadic_shallow 17010
gchar_get_r1 17416
Fp_muls 17780
gchar_get_prec 18732
vec_lengthen 18941
FqX_halve 19411
Qtoss 19922
pari_err_INV 20018
FpXY_Fq_evaly 20587
rnf_get_nfdegree 21217
FqX_mulu 21942
nf_get_Tr 22082
RgM_fpnorml2 22375
gtomp 22428
FqXQ_mul 22766
ZV_dvd 23485
gal_get_mod 23772
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25851
nfV_to_scalar_or_alg 26293
absfrac_shallow 27313
gal_get_den 27650
gal_get_invvdm 27657
zerovec_block 28009
gequalgs 29176
gal_get_roots 32529
gchar_get_basis 32639
F2xqX_div 33173
ndec2prec 33188
mkcolcopy 33497
bid_get_arch 35098
gal_get_pol 36113
closure_get_text 36855
gchar_get_S 36865
gchar_get_ns 36865
gchar_get_nc 37131
FqX_rem 37743
F2v_to_F2x 37869
FqX_div 38449
FqX_deriv 40061
mkcols 40411
ndec2nlong 41458
znstar_get_Ui 46788
pari_calloc 47545
FqX_degfact 47786
vecmoduu 49784
gchar_get_loccyc 50347
bid_get_sarch 51226
get_FpXQX_var 51630
locs_get_cyc 51955
bid_get_gen 53333
div_content 57954
nf_get_ramified_primes 59381
RgX_fpnorml2 60522
err_get_num 62333
RgX_is_rational 67689
FqX_sub 68607
mkquad 69118
FqX_div_by_X_x 69629
quadnorm 69860
FqX_sqr 71855
vecsmall_shorten 72683
Fq_to_FpXQ 73792
bid_get_ideal 78295
gal_get_group 80170
mkcol3 88314
cyclic_perm 99911
gtou 102552
mkcol4 103467
zv_to_zx 104146
mkmoo 105908
zeromat 109051
RgV_isin 110130
RgV_isin_i 110130
mkvec2copy 114443
Q_abs_shallow 118525
mkmatcopy 121022
mkveccopy 122507
RgXQX_rem 126410
FqX_add 127694
rnf_get_map 135183
idealred 138522
zeroser 138726
RgV_is_QV 140073
FqX_factor 140834
bnr_get_mod 140999
get_FpXQX_mod 146583
FlxqX_div_pre 165414
znstar_get_U 176051
rowslicepermute 182570
vecsmall_prepend 186753
gchar_get_DLdata 188468
locs_get_Lsprk 191695
F2m_copy 198027
get_F2xqX_degree 200851
gchar_get_bnf 203105
rowcopy 204988
locs_get_m_infty 207235
mkmat22s 207501
mkvec2s 219951
affgr 220535
zero_Flm_copy 232080
mkcol6 232344
ellR_get_prec 232582
gchar_get_nf 241501
affc_fixlg 244490
Fp_halve 246991
rnf_get_nfpol 255354
znstar_get_cyc 261976
FqXn_mul 263403
get_FlxqX_var 264420
bnf_get_tuN 265191
gchar_get_zm 279434
bnf_get_fu_nocheck 288182
bnf_get_tuU 290533
vec_prepend 301073
nf_get_G 301224
rnf_get_polabs 314482
bnr_get_no 314571
get_FlxqX_degree 317565
ZM_hnfrem 326775
Flx_constant 330279
upr_norm 343929
RgX_renormalize 349345
vecsplice 354677
FqX_mul 367095
ellR_get_sign 371325
get_F2xqX_var 375375
cxtoreal 389218
abgrp_get_no 391880
coltrunc_init 393680
RgX_is_QX 395595
perm_conj 418299
FqX_Fq_mul 427294
FqX_extgcd 442836
nf_get_disc 456890
Z_issquare 458531
precdbl 475315
RgX_shift_inplace 479267
RgX_shift_inplace_init 479267
vecsmall_ei 494397
zv_to_ZV 502527
vecsmall_to_vec 511088
nf_get_sign 516828
mkvec3s 524441
gdivsg 529207
ZM_ZV_mod 539081
addmuliu 541059
FqX_Fp_mul 567973
prec2nbits_mul 575815
RgC_fpnorml2 617600
FqX_is_squarefree 683802
mkvecsmall5 691951
vecreverse 697039
mkrfrac 698131
rnf_get_nf 733698
logint 752096
row 762806
gcmpgs 785624
ellff_get_a4a6 800036
zero_F2m_copy 840130
FpXX_renormalize 849896
zeropadic 855706
gmin_shallow 874888
ZXQ_sqr 950773
cgetc 968275
Flx_lead 979990
gerepilemany 984777
vecsmall_max 1016749
pr_norm 1066800
sstoQ 1074164
polx_F2x 1075576
mkoo 1077613
Flx_mulu 1094787
Fp_invsafe 1099932
RgV_isscalar 1140180
nf_get_varn 1167326
inf_get_sign 1195787
mkfracss 1209444
bnr_get_nf 1260073
gen_I 1269344
bnf_get_sunits 1278294
Rg_col_ei 1293568
ell_get_j 1295726
guncloneNULL_deep 1364467
bid_get_mod 1386555
rnf_get_absdegree 1392746
RgX_is_monomial 1395830
zero_Flx 1426014
constant_coeff 1439424
vecsmall_concat 1464270
nf_get_roots 1531065
F2x_flip 1553964
F2m_flip 1553967
F2v_flip 1553967
F2x_div 1565847
bnf_get_gen 1579857
abgrp_get_gen 1653651
nf_get_roundG 1685950
gsubgs 1703404
vec_ei 1711346
ulogint 1721533
ellinf 1868435
killblock 1883248
modpr_get_p 1888446
get_F2x_degree 1928962
bnr_get_bid 1936916
bid_get_MOD 1990754
bid_get_sprk 1991483
Flx_div 1995640
bid_get_fact2 2025285
ellnf_get_nf 2027609
ellff_get_field 2036865
ZXQ_mul 2128136
ell_get_b4 2135641
pari_realloc_ip 2145049
zv_copy 2183543
gerepilecoeffs 2201994
bid_get_archp 2217789
pol_xn 2232345
bid_get_fact 2313907
bnr_get_cyc 2396463
get_F2x_mod 2499135
rnf_get_degree 2506083
mul_content 2512215
cyc_get_expo 2521131
get_F2x_var 2532711
Flv_copy 2545242
RgX_coeff 2551519
ell_get_b8 2608978
vecslicepermute 2645273
bnf_get_logfu 2702039
bnr_get_clgp 2728649
hash_str 2747301
perm_inv 2778427
zero_Flm 2783641
sqrtnr 2794987
znstar_get_pe 2820777
rnf_get_pol 2844933
F2x_equal1 2873803
gisdouble 2967333
mkpolmod 3011229
ell_get_b6 3055105
Fq_red 3106353
identity_perm 3125400
identity_zv 3149745
bit_accuracy_mul 3175234
ZV_to_zv 3190968
znstar_get_conreygen 3221821
F3m_coeff 3247914
bid_get_U 3378366
get_FpX_mod 3393073
vec_append 3431848
bnf_get_cyc 3509051
pol_x 3565103
nf_get_index 3580196
zero_F2v 3628226
bnr_get_bnf 3632276
mulsubii 3848759
pol1_F2x 3954654
vec_to_vecsmall 4015852
vecsmall_append 4071303
sqrfrac 4137965
vecsmall_copy 4366109
mkcol2s 4415390
pol_1 4464112
mkmat 4610133
F2x_equal 4655560
checkell_i 4677460
FpXQX_renormalize 4693292
mkfraccopy 4844557
qfb_disc3 4848368
is_rational_t 5015533
nf_get_zkprimpart 5021339
nf_get_zkden 5067213
bnf_get_clgp 5097428
pari_stack_delete 5316932
bid_get_cyc 5361571
bid_get_grp 5415491
ell_get_b2 5432779
FpX_div 5442025
col_ei 5679253
isintm1 5702527
ell_get_a2 5709703
pari_stack_init 5744731
get_FpX_degree 6005688
Flm_copy 6275198
ell_get_a4 6522704
sqrti 6590571
mkvec4 6641610
ell_get_a3 6912843
veclast 6933182
ZM_lll 6933661
RgX_div 7053522
ell_get_a1 7116197
RgX_gtofp 7131462
vecsmall_lexcmp 7209162
znstar_get_faN 7211010
get_FpX_var 7237000
ZX_is_monic 7312780
ZV_ZV_mod 7322867
zc_to_ZC 7747174
vecsmall_to_col 7761354
znstar_get_conreycyc 7824104
Q_abs 7910471
ell_get_a6 7961477
mkintmod 7983798
F2m_coeff 8021604
ell_get_c4 8021692
RgM_gtofp 8178519
Flx_equal1 8318496
Flm_row 8741410
ell_get_c6 8850343
cxtofp 8977570
RgM_dimensions 9404693
bnf_get_nf 9425766
nf_get_invzk 9487030
ismpzero 9574586
is_intreal_t 9574699
const_col 9622777
ser_isexactzero 10079199
mkcol 10180223
ZC_hnfrem 10192074
mul_denom 10294201
Fp_addmul 11277546
ell_get_disc 11279838
pr_get_gen 11508210
abgrp_get_cyc 11549203
ell_get_type 11588239
vectrunc_init 11682636
F2v_clear 12264629
F2x_clear 12264640
nbits2nlong 12575253
closure_get_frame 13060930
modpr_get_T 13187499
pol0_F2x 13236777
gmax_shallow 13509988
zeromatcopy 14024744
Fp_center_i 14149936
rowpermute 14414422
mkvec5 14486900
Fp_div 15034482
Fp_divu 15134299
vectrunc_append 15215407
mkvecsmall4 15474002
pr_get_e 15718118
pr_is_inert 16398720
matslice 16597213
normalize_frac 16753482
isint1 17088726
cxcompotor 18004188
hash_str_len 18210243
qfb_disc 18470570
const_vecsmall 19055764
gerepileall 19243591
vecpermute 19832446
nf_get_M 20766588
RgX_is_ZX 20848553
Fp_double 21272839
Flx_div_pre 21393618
RgM_shallowcopy 21440258
gmulgs 22063232
nf_get_r1 22160833
ZV_isscalar 22760660
Fp_inv 23224194
pr_get_f 25340109
get_Flx_mod 25405233
shallowcopy 25866352
zerovec 26629535
RgX_equal_var 26870272
mkqfb 27798868
Fp_neg 28821440
modpr_get_pr 30052579
RgV_is_ZV 31358318
mkmat2 32555553
submulii 32800182
const_vec 32896080
RgC_gtofp 33710048
znstar_get_N 34544862
zero_zv 36165448
polx_Flx 37584982
lincombii 37850759
closure_is_variadic 40099107
mkfrac 41022621
zeropol 42294814
powii 42891956
is_vec_t 43395541
absfrac 45561301
guncloneNULL 47775046
pr_get_tau 47840903
mkmat22 50599239
ell_is_inf 51092318
QV_isscalar 52361096
pol1_Flx 54569253
zero_Flv 58756560
addmuliu_inplace 59412411
submuliu_inplace 59912169
F2x_copy 60374861
gtodouble 60610587
is_real_t 62655015
Fp_sqr 63978241
get_Flx_var 67616669
qfb_is_qfi 67771537
mkvec 68055085
nf_get_degree 68811231
Fp_mulu 69926728
Fp_center 75627783
vecsmallpermute 77957230
rowslice 78338455
sqrtr 79918631
perm_mul 80151664
Fp_red 80584142
get_Flx_degree 83091843
pol_0 83261549
is_noncalc_t 85605235
gtos 85802350
gc_all 86011388
pr_get_p 89367160
mkcomplex 90148669
cxnorm 90725734
dbllog2r 92960755
nf_get_pol 94431831
vecsmalltrunc_append 99563748
mkvecsmall3 100290903
F2v_set 101339250
pol0_Flx 101712572
RgX_copy 103419240
prec2nbits 104417363
vecsmall_prefixcmp 108088071
F2x_renormalize 115146952
both_odd 117195643
cgiv 117699794
zerocol 118827812
mkvec3 119606646
nchar2nlong 120813145
gaddgs 123154024
gmulgu 124174680
F2x_set 124663690
mkvecsmall 129169309
equalim1 139010561
bit_prec 141506078
FpX_renormalize 144996126
nbrows 153672091
mkcol2 156596299
ZX_renormalize 157016524
uutoQ 158035238
leading_coeff 169150984
Flx_copy 172065312
Fp_add 173354908
mkvec2 181578630
vecsmalltrunc_init 185798218
nbits2prec 185850026
Fp_mul 199689469
Fp_sub 203174736
mkvecsmall2 223682532
gc_GEN 229912361
gtofp 252497358
is_universal_constant 291271432
lg_increase 308212610
closure_get_data 319161254
closure_get_oper 319189188
closure_codestr 319215486
lgcols 341342367
closure_arity 367942261
is_scalar_t 377350018
bin_copy 479595900
pari_free 492872830
leafcopy_avma 548909078
is_bigint 557453077
pari_stack_new 605573660
vecslice 641197743
is_matvec_t 659451885
F2v_coeff 660982830
F2x_coeff 667545484
pari_stack_alloc 698596861
pari_stack_base 703884630
pari_malloc 723208692
GENbinbase 930195092
gerepileuptoleaf 1079095572
equali1 1289598966
nbits2extraprec 1476947408
gerepileupto 1879130007
odd 2053541027
is_pm1 2189378937
lgpol 2641050647
isintzero 2803422660
bit_accuracy 3130564623
gc_INT 4044873138
prec2lg 4462692956
is_const_t 4887390403
degpol 5364180303
icopy_avma 7906392210
remsBIL 7984067338
divsBIL 8073498412
isonstack 8082392063
is_recursive_t 9189737256

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