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 - Flx.c (source / functions) Hit Total Coverage
Test: PARI/GP v2.18.1 lcov report (development 30364-8108102770) Lines: 2553 2914 87.6 %
Date: 2025-06-30 09:21:07 Functions: 304 359 84.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 464084
Fl2_inv_pre 202541
Fl2_mul_pre 2023882
Fl2_norm_pre 127087
Fl2_pow_pre 692290
Fl2_sqr_pre 5103346
Fl2_sqrt_pre 65765
Fl2_sqrtn_pre 78682
Fl_Flxq_log 35538
Fl_Xp1_powu 0
Fl_to_Flx 20349184
Flm_to_FlxV 2324
FlvV_polint_tree 1424121
Flv_Flm_polint 103569
Flv_inv 626526
Flv_invVandermonde 153162
Flv_inv_i 638538
Flv_inv_indir 51382
Flv_inv_inplace 12017
Flv_inv_pre 10035
Flv_inv_pre_indir 20235665
Flv_inv_pre_inplace 19634118
Flv_polint 368525
Flv_prod 0
Flv_prod_pre 3304
Flv_producttree 627735
Flv_roots_to_pol 797393
Flv_to_Flx 25482485
FlxC_Fl_translate 0
FlxC_FlxqV_eval 0
FlxC_FlxqV_eval_pre 0
FlxC_Flxq_eval 0
FlxC_Flxq_eval_pre 0
FlxC_eval_powers_pre 254975
FlxC_neg 0
FlxC_sub 0
FlxC_to_ZXC 104060
FlxM_Fl_translate 0
FlxM_Flx_add_shallow 0
FlxM_Flx_mul2 26000
FlxM_eval_powers_pre 20038
FlxM_max_degree 0
FlxM_max_degree_i 0
FlxM_mul 0
FlxM_mul2 7099
FlxM_mul_Kronecker_i 81581
FlxM_neg 0
FlxM_pack_ZM 46835
FlxM_pack_ZM_bits 116239
FlxM_sub 0
FlxM_to_FlxXV 0
FlxM_to_ZXM 2485
FlxT_red 293000
FlxV_Flc_mul 34482
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxV_Flx_fromdigits 0
FlxV_composedsum 28987
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
FlxV_to_Flm 171878
FlxV_to_Flm_lg 12969044
FlxV_to_FlxX 397977
FlxV_to_ZXV 606897
FlxV_to_ZXV_inplace 3028134
Flx_Fl2_eval_pre 10528
Flx_Fl_add 10143004
Flx_Fl_mul 7323848
Flx_Fl_mul_pre 18288160
Flx_Fl_mul_to_monic 12137245
Flx_Fl_sub 151829
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 668038
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13167711
Flx_Flxq_eval 790636
Flx_Flxq_eval_pre 2444056
Flx_Frobenius 86486
Flx_Frobenius_pre 13803283
Flx_Laplace 27365
Flx_Newton 54149
Flx_add 63365570
Flx_addmulmul 416640
Flx_addshift 3684621
Flx_addspec 7169811
Flx_blocks 517127
Flx_blocks_Flm 12968194
Flx_composedprod 0
Flx_composedsum 27580
Flx_convol 0
Flx_deflate 420973
Flx_deriv 21861659
Flx_diff1 13422
Flx_digits 0
Flx_div_by_X_x 34718446
Flx_divrem 30445243
Flx_divrem_Barrett 604043
Flx_divrem_Barrettspec 904964
Flx_divrem_basecase 62274392
Flx_divrem_pre 79711383
Flx_double 2445177
Flx_equal 28068968
Flx_eval 20406422
Flx_eval2BILspec 583215
Flx_eval_powers_pre 46164532
Flx_eval_pre 100769270
Flx_extgcd 857178
Flx_extgcd_basecase 6285733
Flx_extgcd_halfgcd 146590
Flx_extgcd_pre 6285717
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109432
Flx_gcd 34065668
Flx_gcd_basecase 85098964
Flx_gcd_pre 86762191
Flx_get_red 14489867
Flx_get_red_pre 98485371
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1128528
Flx_halfgcd_all_pre 1128530
Flx_halfgcd_pre 874272
Flx_halfres_basecase 1135607
Flx_halfres_i 1155571
Flx_halfres_pre 1044
Flx_halfres_split 19964
Flx_halfres_update_pre 9405
Flx_halve 14047
Flx_inflate 160431
Flx_integ 0
Flx_integXn 422850
Flx_invBarrett 0
Flx_invBarrett_Newton 23160
Flx_invBarrett_basecase 134330
Flx_invBarrett_pre 158791
Flx_invLaplace 54396
Flx_is_l_pow 8251
Flx_is_smooth 74256
Flx_is_smooth_pre 119272
Flx_is_smooth_squarefree 127546
Flx_is_squarefree 9183441
Flx_lgrenormalizespec 2132221
Flx_matFrobenius 0
Flx_matFrobenius_pre 86569
Flx_mod_Xn1 31761
Flx_mod_Xnm1 5176770
Flx_mul 27787547
Flx_mul_pre 375518204
Flx_mulhigh_i 938928
Flx_mullimb 1171911434
Flx_mullimb_ok 3410613441
Flx_mulspec 381043611
Flx_mulspec_Kronecker 7263885
Flx_mulspec_basecase 343553226
Flx_mulspec_halfmulii 5481
Flx_mulspec_mulii 10140
Flx_mulspec_mulii_inflate 284164
Flx_mulspec_quartmulii 97166
Flx_neg 3264058
Flx_neg_inplace 1756902
Flx_negspec 3264057
Flx_normalize 64185205
Flx_powu 0
Flx_powu_pre 7810
Flx_recip 0
Flx_recipspec 7292610
Flx_red 1879643
Flx_rem 42208838
Flx_rem_basecase 795356995
Flx_rem_pre 920090563
Flx_renormalize 2131371378
Flx_rescale 1117
Flx_resultant 4734153
Flx_resultant_basecase_pre 10272472
Flx_resultant_pre 10274462
Flx_shift 27389189
Flx_shiftip 633562217
Flx_splitting 147201
Flx_sqr 354596
Flx_sqr_pre 282010132
Flx_sqrspec 282082405
Flx_sqrspec_Kronecker 690220
Flx_sqrspec_basecase 281230452
Flx_sqrspec_halfsqri 325
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2264
Flx_sqrspec_sqri_inflate 11498
Flx_sub 138658622
Flx_subspec 897462
Flx_to_Flv 66624249
Flx_to_FlxX 71629
Flx_to_ZX 37307436
Flx_to_ZX_inplace 36551019
Flx_to_int_halfspec 468815
Flx_to_int_quartspec 204550
Flx_translate1 16082
Flx_translate1_basecase 28171
Flx_triple 1049887
Flx_unscale 0
Flx_val 4466202
Flx_valrem 27579860
Flxn_div 55207
Flxn_div_pre 55229
Flxn_exp 0
Flxn_expint 109424
Flxn_inv 1030
Flxn_mul 75408
Flxn_mul_pre 5163277
Flxn_mulhigh 517056
Flxn_recip 217463
Flxn_red 6334085
Flxn_sqr 0
Flxn_sqr_pre 0
FlxqC_Flxq_mul 0
FlxqC_red_pre 234845
FlxqM_Flxq_mul 0
FlxqM_mul_Kronecker 81581
FlxqM_red_pre 81581
FlxqV_dotproduct 0
FlxqV_dotproduct_pre 113589
FlxqX_dotproduct 1918
Flxq_autpow 7
Flxq_autpow_msqr 20696
Flxq_autpow_pre 67491
Flxq_autpow_sqr 46250
Flxq_autpowers 1667
Flxq_autsum 0
Flxq_autsum_mul 112473
Flxq_autsum_pre 98769
Flxq_autsum_sqr 105111
Flxq_auttrace 0
Flxq_auttrace_mul 782929
Flxq_auttrace_pre 962330
Flxq_auttrace_sqr 655380
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2417764
Flxq_easylog 519208
Flxq_inv 335767
Flxq_inv_pre 4284243
Flxq_invsafe 670226
Flxq_invsafe_pre 5428560
Flxq_is2npower 0
Flxq_issquare 404492
Flxq_log 164217
Flxq_lroot 0
Flxq_lroot_fast 0
Flxq_lroot_fast_pre 113589
Flxq_lroot_pre 25053
Flxq_matrix_pow 399
Flxq_matrix_pow_pre 170663
Flxq_minpoly 44915
Flxq_minpoly_pre 810691
Flxq_mul 13191076
Flxq_mul_pre 192004527
Flxq_norm 443322
Flxq_order 97328
Flxq_pow 932623
Flxq_pow_Frobenius 23513552
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 24555060
Flxq_pow_table 0
Flxq_pow_table_pre 4392
Flxq_powers 232077
Flxq_powers_pre 22420115
Flxq_powu 488418
Flxq_powu_pre 24471847
Flxq_sqr 2759492
Flxq_sqr_pre 281017891
Flxq_sqrt 230484
Flxq_sqrt_pre 230484
Flxq_sqrtl_spec_pre 35707
Flxq_sqrtn 20456
Flxq_sqrtn_spec_pre 19262
Flxq_sumautsum_msqr 40558
Flxq_sumautsum_pre 208704
Flxq_sumautsum_sqr 292682
Flxq_trace 4696
Flxq_transmul 4217693
Flxq_transmul_init 1748503
RgXV_to_FlxV 7
RgX_to_Flx 2250315
Rg_to_F2 1706785
Rg_to_Fl 73174205
Rg_to_Flxq 3598631
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3797377
ZXV_to_FlxV 0
ZX_to_Flx 169898064
Z_mod2BIL_Flx 295662
Z_mod2BIL_Flx_2 298592
Z_mod2BIL_Flx_3 0
Z_to_Flx 2631404
ZpX_invLaplace_init 497
_Fl2_mul 1995454
_Fl2_pow 692266
_Fl2_rand 118779
_Fl2_sqr 5103248
_Flx_add 389834
_Flx_composedsum 3910
_Flx_divrem 0
_Flx_mul 11011238
_Flx_sqr 0
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 150794058
_Flxq_neg 366572
_Flxq_one 22418291
_Flxq_pow 23506143
_Flxq_powu 68
_Flxq_powu_i 23215544
_Flxq_rand 5591
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 273006042
bounded_order 394055
gener_Flxq 7201
get_Fl_threshold 2320705994
get_Flx_red 984060697
get_Flxq_field 68902
get_Flxq_star 280807
init_invlaplace 12514
int_to_Flx 12412
int_to_Flx_half 507265
int_to_Flx_quart 107385
kron_pack_Flx_spec 53168
kron_pack_Flx_spec_2 3389
kron_pack_Flx_spec_3 0
kron_pack_Flx_spec_bits 20811082
kron_pack_Flx_spec_half 688104
kron_unpack_Flx 42785
kron_unpack_Flx_2 2930
kron_unpack_Flx_3 0
kron_unpack_Flx_bits_narrow 5655238
kron_unpack_Flx_bits_wide 5581778
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8378045
mkF2 7600214
monomial_Flx 942687
random_Flx 2646696
set_Flxq 68922
set_Flxq_pre 70743949
translate_basecase 41340
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6481577

Generated by: LCOV version 1.16