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 - basemath - mftrace.c (source / functions) Hit Total Coverage
Test: PARI/GP v2.18.1 lcov report (development 30367-364c17a628) Lines: 7497 7701 97.4 %
Date: 2025-07-03 09:21:30 Functions: 769 775 99.2 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Qab_tracerel 0
discard_Ti 0
fs2_get_bitprec 0
search_A5 0
tag4 0
wt1mulcond 0
Hfind 7
RgV_inflatemod 7
checkbij_i 7
err_space 7
merge_dims 7
mfchiembed 7
mfheckemat_mfcoefs_p2 7
mfkohneneigenbasis 7
mftocoset 7
pathmattovec 7
vecact_GL2 7
wt1newlevel 7
RgX_by_parity 14
c_derivE2 14
consttabdihedral 14
err_cyclo 14
findq 14
getcache 14
gsubstvec_i 14
mfcanfindp0 14
mfdihedral 14
mfdihedralall 14
mffvanish 14
mfisCM 14
mfkohnenbijection 14
mfkohnenbijection_i 14
mfpeterssonnoncusp 14
mftaylor 14
mftraceform_cusp 14
mycoredisc2pos 14
unact 14
c_cusptrace 21
desc_dihedral 21
fs2_get_den 21
fs2_init 21
get_Shimura 21
get_vP 21
initwt1newtrace 21
lfunfindchi 21
mfderivE2 21
mffromlfun 21
mfkohnenbasis 21
mfkohnenbasis_i 21
mfpetersson2 21
mkS 21
newd_params2 21
RgX_isspherical 28
anyembed 28
checkPv 28
checkemb_i 28
fs_set_expan 28
initwt1trace 28
lfunquadneg_naive 28
mf1olddimall 28
mfbracket 28
mfcusps 28
mffromell 28
mfisinkohnen 28
mfsearch 28
mfstabiter 28
mftwist 28
u_pporad 28
QabM_rank 35
c_shift 35
desc_hecke 35
mfcharchiliftprim 35
mfeigensearch 35
mffields 35
mffindeisen1 35
mfheckemat_mfcoefs_p 35
mfperiodpol 35
mfs_iscusp 35
symbol_same_mf 35
actal 42
c_bracket 42
dim_filter 42
foo_stable 42
mf1 42
mfmanin 42
mfshift 42
mfshimura_space_cusp 42
unpack2 42
vecembed2 42
constcoredisc 48
Mindex_as_coef 49
c_QFsimple_i 49
deg1ser_shallow 49
findqganew 49
inflatemod 49
mfatkineigenvalues 49
mfcusps_i 49
mfdiv 49
mfembed0 49
mfinittonew 49
mfisetaquo 49
mfisetaquo_i 49
mfperiodpolbasis 49
mfs_checkmf 49
mfshimura 49
mfval 49
simple_pole 49
hclassno6_count 51
c_QF_i 56
fs2_get_F 56
fs2_get_MF 56
fs2_get_W 56
fs2_get_al0 56
fs2_get_cusps 56
matTp 56
mf1newdimall 56
mfDelta 56
mfatkineigenquad 56
mfcharconj 56
mfthetaI 56
mysqrtu 56
normalizeapprox 56
tag0 56
checkmfa 63
mfatkin 63
search_levels 63
RgX_valrem_root 70
cache_report 70
fs_get_EF 70
inveis_extraprec 70
mfmatembed 70
mycore 70
sertocol2 70
tp2apply 70
tp2eapply 70
hclassno6u_2 76
c_ell 77
intAoo0 77
mfEHcoef 77
mffromqf 77
mfgaexpansionatkin 77
mfgaloisprojrep 77
mfheckemat 77
mfpow 77
mfsymbolevalpartial 77
not_in_space 77
search_solvable 77
heckef2_data 84
mffrickeeigen 84
mftrivial 84
myusqrt 84
findqga 91
RgV_heckef2 98
RgXV_embed 98
desc_linear 98
lfunmf 98
mf2init 98
mfatkininit 98
mftraceform 98
mftraceform_i 98
normal 98
RgV_shimura 105
mf1dims 105
mfhecke 105
mfisnotA5 105
mfisnotS4 105
RgV_pows_RgXn 112
c_pow 112
mat2cusp 112
mfatkinmatnewquad 112
mfcharAL 112
mfsplit 112
mfsymboleval_direct 112
mffrickeeigen_i 119
mfunram 119
myradicalu 119
RgV_approx 126
bestapprnf2 126
col2cusp 126
mfpetersson 126
paramconst 126
NK_eisen2 133
checkNK 133
Haberland 140
c_const 140
mfpetersson_i 140
polishomogeneous 140
QabM_tracerel 147
intAoowithvanall 147
mfcharpow 147
mflfuncreateall 147
constdiv 152
consttabh 152
RgX_act_gen 154
mfcheapeisen 154
mintau 154
lfunthetaall 161
mfcuspwidth 161
mfeigenembed 161
symbol_type 161
c_twist 168
mfcosets 168
mfeval 168
mfeval_i 168
mfperiodpols_i 168
mfsymbol_i 168
valNC2 168
zero_at_cusp 168
c_deriv 175
mfconductor 175
mfgaexpansionall 175
mflfuncreate 175
mfsymbol 175
ZX_roots 182
cxredga0N 182
mfderiv 182
mfgaloistype_i 182
search_abelian 182
constfact 187
mfgetvan 189
myimag_i 189
val 189
mfisequal 196
AX_B 203
CX_D 203
c_etaquo 203
mfcuspval 203
checkfs2_i 210
mffrometaquo 210
mfsymboleval 210
findd 217
mftonew 217
rootspowers 217
mf1intermat 224
mfatkininit_i 224
mfgaloistype0 224
mfisdihedral 224
mfolddim 224
mfeisensteindim 231
mfgaloistype 231
mfiscuspidal 231
MF_get_r 245
atkin_get_NQ 245
getcolswt2 252
mf1_cusptonew 252
mfkdimsum 252
mfstabitermod 252
split 252
get_P 259
mfisinspace_i 259
act_GL2 266
c_F2TH4 266
mf2basis 266
mf2init_Nkchi 266
mfEH 266
mfEHmat 266
mfbd 266
dim_sum 287
mfspace 287
mfspace_i 287
nfcontent 294
matTpmod 301
mfcoef 301
mfperiod_prelim 301
unpack23 308
mfcuspisregular 315
divisorsNF 322
bdexpandall 343
c_mfEH 343
mf2gaexpansion 343
mfheckemat_p 343
mfthetaexpansion 343
mfthetamultiplier 343
RgC_embedall 350
mfheckemat_mfcoefs 350
van_embedall 357
RgX_embedall 364
cusp_canon 364
evalcusp 364
mfbasis 364
mfeigenbasis 364
cmp_ord 371
mfeisenstein 371
mfeisenstein_i 371
RgXn_negpow 375
_RgXQM_mul 378
matdeflate 385
moreorders 392
RgV_div_RgXn 399
mfEk 406
MF_set_space 413
seenD 413
mfsturmmf 427
vecmflineardiv0 427
getcolsgen 441
mf_get_r 441
mfmultheta 448
mfak_i 455
mfmul 455
mftonew_i 455
nf_primpart 455
pol_red 455
Tp 469
mf1olddimsum 469
mf1cuspdim 476
vecmflineardiv_linear 476
mflinear_i 490
vanembed 490
desc_mfeisen 504
cache_reset 511
cusp2mat 518
polabstorel 518
cache_set 525
eta3_ZXn 525
RgX_embed2 532
c_delta 539
mftobasisES 539
get_mf_F 546
sqrtm3modN 581
mf_setfield 588
QabM_to_Flm 595
mf1dimmod 595
mfcharinv_i 595
sqrtm1modN 595
QabM_Minv 609
mfeisensteinspaceinit 609
mkM 609
MF_get_fields 616
mfEMPTYall 616
same_cyc 616
desc 623
mfgetembed 623
mfvec_first_cusp 623
fs_get_bitprec 630
mflineardivtomat 630
c_mul 637
charsmodN 651
chicompatfix 651
chicompatlift 651
mfeisensteinspaceinit_i 651
mfcoefsser 665
MFcusp_get_vMjd 686
mfmatsermul 686
mf2dimwt32 693
mfparams 700
mfbd_E2 721
mflinear_bhn 770
mftreatdihedral 784
grootsof1_CHI 791
checkfs_i 798
mfTheta 798
vecembed1 798
MF_get_newforms 819
mfsturm 826
c_div 833
c_div_i 833
sertovecslice 833
fs_get_vES 847
mfclean2 861
mffulldim 868
c_Ek 882
search_from_split 889
const_mat 910
mfnewmathecke_p 924
getembed 938
intAoo 945
mfdescribe 966
mfchilift 980
mfthetaancreate 980
mftraceform_new 980
mfcuspcanon_width 1001
tobasis 1022
vecGalois 1022
mfEMPTY 1029
mftobasis 1029
unpack0 1043
mf1newdimsum 1050
mflinear 1064
QabM_pseudoinv 1092
mfspclean 1092
sort_by_dim 1092
split_starting_space 1092
ZabM_pseudoinv_i 1106
mfcharmul 1106
cusp_AC 1134
mfmatsermul_Fl 1141
mf_same_CHI 1148
split_i 1169
zncharsG 1169
mf_same_k 1190
lfuntag 1197
vecmflinear 1211
mf_eisendec 1218
mfeisensteindec 1218
c_hecke 1232
update_Mj 1239
vecpush 1239
QabM_init 1246
fs_get_vE 1246
mfperiod_prelim_double 1253
RgX_act_S 1288
mfgaexpansion_i 1288
shift_M 1288
znstar_get_expo 1302
Minv_RgM_mul 1309
ZM_mulS 1337
QabM_pseudoinv_i 1351
findbestsplit 1358
vecpermute_inplace 1358
mfslashexpansion 1365
mfistrivial 1372
mfdim_Nkchi 1393
mfeisensteinbasis_i 1421
GL2toSL2 1428
mftobasis_i 1435
mfeisensteinbasis 1449
fs_get_MF 1463
QabX_to_Flx 1484
split_ii 1491
bestapprnfrel 1519
mynffactor 1533
desc_i 1540
mf_normalize 1540
condC 1568
MF_set_new 1589
fs_get_pols 1596
mfchisimpl 1596
vecpermute_partial 1603
QabM_ker 1638
mkF2bd 1645
RgX_embed 1687
mf1chars 1729
mfvecembed 1743
mf1_pre 1834
pindices 1834
MF_get_basis 1876
fs_get_expan 1890
pari_close_mf 1890
c_theta 1911
c_newtrace 1918
mflinear_strip 1918
charLFwt1_Fl 2002
bern_init 2016
mflinear_linear 2016
mflineardiv_linear 2016
getcols 2037
mfgaexpansion 2051
check_SL2Z 2058
RgV_normalize 2065
mf1dimsum 2114
mfvectomat 2128
update_factor_cache 2134
mfdiv_val 2163
fs_get_cosets 2191
c_linear_bhn 2303
ZM_mulTi 2352
get_vDIH 2373
sertocol 2387
Tpmod 2408
RgM_Minv_mul 2436
mfinit 2436
getnlim2 2555
getw1w2 2555
act_S 2576
abundant 2590
mfcoefs_mf 2611
anextract 2618
charLFwt1 2618
mfeisenstein2all 2639
hecke_i 2709
mfcharistrivial 2709
chicompat 2723
mfinit_Nndkchi 2751
taglinear 2793
non_residues 2814
mfchiadjust 2821
RgX_act_typ 2842
RgX_approx 2863
toRgX0 2863
normalizeapprox_i 2898
mfkdims 2961
c_linear 3010
mfdim0all 3010
mynumdivu 3017
charLFwtk_Fl 3227
vecmfNK 3227
mfinitcusp 3241
mfchars 3255
mfsturmNgk 3318
lamCO 3360
mfinit_i 3416
mfcuspdim 3423
check_M2Z 3486
dim22 3696
zeta2CO 3696
mfdihedralcusp 3857
mf1init 3969
fmt_dim 3983
gmfcharno 3983
ok_bhn_linear 4004
get_mfchar 4046
mfcleanCHI 4074
mfsamefield 4074
mfcoefs 4116
mf1cuspdimsum 4123
mf1cuspdimall 4144
checkMF 4193
MF_get_E 4466
charLFwtk 4543
mfsturm_mf 4585
ZM_mulT 4634
RgV_to_ser_full 4655
MF_get_Minv 4858
mfchargalois 4872
Rg_embedall_i 4907
mfclean 5026
mfinit_Nkchi 5047
getcols_i 5054
mfeisenstein2_0_Fl 5054
mfeisenstein2pure_Fl 5054
c_dihedral 5579
mfeisenstein2pure 5586
MF_get_dim 5621
mfdim 5719
improve 5740
nf2_get_conj 5768
mfchartrivial 5824
expandbd 5845
space_is_cusp 6069
mfqk 6118
mkeisen 6202
mffindrootof1 6741
taglinear_i 6839
MF_get_M 6895
tracerel_z 6944
bhnmat_extend_nocache 7035
mubeta 7042
mfdihedralcuspdim 7105
MF_get_k 7224
MFnew_get_vj 7273
mf1cuspdim_i 7315
mfbdall 7378
c_Bd 7504
ceilA1 7686
get_badj 7686
expandbd_Fl 7714
mkMinv 7791
get_gb 7805
badchar 7889
mfskcx 7903
Minv_RgC_mul 7924
m1pk 8246
mfeisenstein2_0 8351
mfolddim_i 8442
Rg_approx 8582
mfdihedralnew 8820
MF_get_CHI 8827
c_deflate 8834
RgV_mul_RgXn 8869
mftocol 9114
SL2_div_D 9177
mftocoset_iD 9177
mftocoset_i 9198
bhnmat_extend 9212
checkCHI 9233
checkNK2 9240
dihan_bnf 9331
cache_delete 9450
mfcharcxeval 9513
mfZC_width 9975
mfchardiv 10066
mfchardiv_i 10066
nu3 10220
Wcoshall 10304
Wint 10304
Wparams 10304
tag 10346
QabM_indexrank 10486
MF_get_Mindex 10619
RgV_shift 11039
vecj_expand 11039
char2 11172
mf1basis 11284
c_mfeisen 11333
coset_complete 11963
mfconreyminimize 12138
get_DIH 12355
mkmf 12439
f00 12446
mfalchi2 13041
mfcharmulcxeval 13041
mfeisensteingacx 13041
mfgatogap 13041
mfcharinduce 13048
Rg_embed2 13328
init_cachenew 13566
dihan 13573
mfcharno 13699
f00_i 13727
charistotallyeven 13846
bdexpand 14168
RgX_embed1 14203
mfchareval 14238
mkNK 15176
MF_get_space 15358
MF_get_gk 15456
parse_vecj 15491
mfnewinit 15666
get_bnrconreyN 15862
mfnewdim 15911
mfdihedralnewdim 16149
QabV_tracerel 16170
tag3 16184
wt1empty 16632
nu2 17598
dbg_cachenew 17626
hecke_data 18186
append_dihedral 18718
checkMF_i 19187
hash_eisengacx 19236
checkmf_i 19362
mf_get_NK 19425
MF_get_N 19943
MF_get_gN 21147
MF_get_S 21427
mfsturmNk 21910
sigchi 24192
mf_get_field 24472
mfdihedralnew_i 24969
mfhecke_i 25368
CHIvec_CHI 25914
mfcharmuleval 26082
cyc_normalize_zv 26810
mklvchi 26810
Galois 30331
bhn_newtrace 32648
initnewtrace_i 33236
inittrconj 33236
mfcharinit 33243
initnewtrace 33341
mfnewzerodata 33341
mfdihedralcommon 33698
gausssumcx 33985
mfcharcxinit 33985
Qab_trace_init 34048
newtrace_DATA 34293
newtrace_stripped 34293
reset_cachenew 34293
bnrchartwist2conrey 34489
conreydenormalize 34489
cmp_coset 35469
mfbd_i 36456
phipart 36869
tag2 36918
mkgNK 37324
dihan_bnr 37758
QabC_to_Flc 38164
mfcoefs_i 38402
nuinf 39032
mf2dimwt12 41363
di_N 42042
newd_params 42147
induceN 42364
A4 43442
mf2dim_Nkchi 43463
mfcuspdim_i 43519
checkmf2 43729
A21 43911
A22 43911
A3 44359
mfdim_Nndkchi 44744
mysumdivku 48020
is_cond 49364
mybezout 52164
CHIvec_parity 54754
mfrhopol_eval 56616
mf_get_CHI 62489
tagparams 63630
VS 63742
Wint2 63742
mymoebiusu 65709
CHIvec_ord 66311
mfcharparity 68460
Unelson 71932
mf_get_k 72961
WfromZ 74046
cmp_small_priority 74431
sigchi2_Fl 77791
tracerel_i 80255
mfchartoprimitive 81676
RgC_Bd_expand 83601
bhn_parse 83601
Miyake 84028
Rg_embed1 84658
tracerelz 84756
hclassno6u_no_cache 86908
heckenewtrace 90482
Rg_embedall 95154
mfembed 100845
mfdiheval 107611
myeulerphiu 110159
char_normalize_zv 118517
mf_get_N 120631
inittrace 128303
mkbez 128303
mkgcd 128303
mkmup 128303
mksqr 128303
mf_get_gk 140805
colnewtrace 184261
mf_get_gN 185864
Qab_zeta 200753
trconj 232579
mf_get_type 233905
fix_pol 234178
tracerel 253855
get_PSI 299775
mfcharmul_i 301861
induce 311731
Qab_Czeta_Fl 313040
div_restrict 324443
A1 364665
mfcharGL 378490
mfcharconductor 397663
mypsiu 399609
mfrhopol 402687
vchip_lift 416304
mfcharpol 598843
sigchi2 608384
CHIvec_expo 626913
mycharexpo 626913
sigchi2_dec 686175
fg1g2n 855267
gmfcharmodulus 1616874
mfcharmodulus 1616874
newt_params 1903283
vchip_polmod 1954117
Qab_Czeta 2247504
hclassno6u 2551863
znchareval_i 2556092
mfnewchkzero 2628827
mfnewtrace_i 2628827
mfcharevalord 3674594
mfcharorder 3816281
gmfcharorder 3874416
mfrhopol_u_eval 4054279
mfnewtracecache 4582928
corediscs_fact 4847676
TA1 6450498
TA2 6450498
TA3 6450498
TA4 6450498
mfcusptrace_i 6450498
vchip_mod 6497695
mfcusptracecache 7714544
mubeta2 7714544
Qab_to_Fl 8534960
eiscnm 9635178
myh 10652124
lamsig 14363864
mutglistall 15231080
mychareval 27645779
CHIvec_val 27670174
CHIvec_N 28601909
auxsum 33430095
myfactoru 33835572
mydivisorsu 69527256
hclassno6u_i 157401866
mutg1 162226812
mfrhopowsimp 169019315
mycoredisc2neg 177457982
vchip_FC 280525828
myugcd 284283559
mychicgcd 404190216
cache_get 451439195

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