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 30504-e6f76a2795) Lines: 2553 2914 87.6 %
Date: 2025-09-29 09:23:05 Functions: 304 359 84.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 463626
Fl2_inv_pre 202380
Fl2_mul_pre 2018074
Fl2_norm_pre 128197
Fl2_pow_pre 691526
Fl2_sqr_pre 5082952
Fl2_sqrt_pre 65765
Fl2_sqrtn_pre 78487
Fl_Flxq_log 35534
Fl_Xp1_powu 0
Fl_to_Flx 21215657
Flm_to_FlxV 2772
FlvV_polint_tree 2540790
Flv_Flm_polint 103478
Flv_inv 1744770
Flv_invVandermonde 153445
Flv_inv_i 1756786
Flv_inv_indir 51283
Flv_inv_inplace 12017
Flv_inv_pre 10048
Flv_inv_pre_indir 21432081
Flv_inv_pre_inplace 19697422
Flv_polint 1486567
Flv_prod 0
Flv_prod_pre 3304
Flv_producttree 1745972
Flv_roots_to_pol 795688
Flv_to_Flx 25484770
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 325157
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 22302
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 295143
FlxV_Flc_mul 34482
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxV_Flx_fromdigits 0
FlxV_composedsum 28991
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
FlxV_to_Flm 171876
FlxV_to_Flm_lg 12970408
FlxV_to_FlxX 397977
FlxV_to_ZXV 606896
FlxV_to_ZXV_inplace 3031312
Flx_Fl2_eval_pre 10773
Flx_Fl_add 10030172
Flx_Fl_mul 7326731
Flx_Fl_mul_pre 18290279
Flx_Fl_mul_to_monic 12028662
Flx_Fl_sub 151842
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1786273
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13168911
Flx_Flxq_eval 790604
Flx_Flxq_eval_pre 2444574
Flx_Frobenius 86482
Flx_Frobenius_pre 13811149
Flx_Laplace 27378
Flx_Newton 54156
Flx_add 64866697
Flx_addmulmul 416639
Flx_addshift 3684967
Flx_addspec 7170354
Flx_blocks 517147
Flx_blocks_Flm 12969399
Flx_composedprod 0
Flx_composedsum 27576
Flx_convol 0
Flx_deflate 420985
Flx_deriv 22986113
Flx_diff1 14448
Flx_digits 0
Flx_div_by_X_x 34771940
Flx_divrem 30447489
Flx_divrem_Barrett 604899
Flx_divrem_Barrettspec 905503
Flx_divrem_basecase 62299635
Flx_divrem_pre 79729119
Flx_double 2445177
Flx_equal 26499031
Flx_eval 20396944
Flx_eval2BILspec 579073
Flx_eval_powers_pre 48606093
Flx_eval_pre 136348644
Flx_extgcd 857243
Flx_extgcd_basecase 6286204
Flx_extgcd_halfgcd 146587
Flx_extgcd_pre 6286188
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109427
Flx_gcd 34260032
Flx_gcd_basecase 85197226
Flx_gcd_pre 86855943
Flx_get_red 14502467
Flx_get_red_pre 96852142
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1128497
Flx_halfgcd_all_pre 1128494
Flx_halfgcd_pre 874597
Flx_halfres_basecase 1135575
Flx_halfres_i 1155541
Flx_halfres_pre 1044
Flx_halfres_split 19964
Flx_halfres_update_pre 9405
Flx_halve 14047
Flx_inflate 160261
Flx_integ 0
Flx_integXn 422826
Flx_invBarrett 0
Flx_invBarrett_Newton 23160
Flx_invBarrett_basecase 134338
Flx_invBarrett_pre 158798
Flx_invLaplace 54435
Flx_is_l_pow 8129
Flx_is_smooth 74256
Flx_is_smooth_pre 118462
Flx_is_smooth_squarefree 126542
Flx_is_squarefree 9183966
Flx_lgrenormalizespec 2133642
Flx_matFrobenius 0
Flx_matFrobenius_pre 86566
Flx_mod_Xn1 31763
Flx_mod_Xnm1 5056937
Flx_mul 27827777
Flx_mul_pre 376096922
Flx_mulhigh_i 938952
Flx_mullimb 1183265621
Flx_mullimb_ok 3364228306
Flx_mulspec 381746197
Flx_mulspec_Kronecker 7263438
Flx_mulspec_basecase 344431333
Flx_mulspec_halfmulii 5484
Flx_mulspec_mulii 10146
Flx_mulspec_mulii_inflate 282081
Flx_mulspec_quartmulii 97165
Flx_neg 3264620
Flx_neg_inplace 1756920
Flx_negspec 3264631
Flx_normalize 63972003
Flx_powu 0
Flx_powu_pre 3932
Flx_recip 0
Flx_recipspec 7295324
Flx_red 1881615
Flx_rem 42193688
Flx_rem_basecase 799883232
Flx_rem_pre 924104942
Flx_renormalize 2149931362
Flx_rescale 1117
Flx_resultant 4735187
Flx_resultant_basecase_pre 14621039
Flx_resultant_pre 14623124
Flx_shift 27397281
Flx_shiftip 630960311
Flx_splitting 147433
Flx_sqr 354633
Flx_sqr_pre 277913155
Flx_sqrspec 278257997
Flx_sqrspec_Kronecker 691163
Flx_sqrspec_basecase 278324200
Flx_sqrspec_halfsqri 325
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2066
Flx_sqrspec_sqri_inflate 11522
Flx_sub 138677166
Flx_subspec 897918
Flx_to_Flv 66637775
Flx_to_FlxX 71629
Flx_to_ZX 38304422
Flx_to_ZX_inplace 36568271
Flx_to_int_halfspec 468821
Flx_to_int_quartspec 204549
Flx_translate1 17108
Flx_translate1_basecase 29202
Flx_triple 1049887
Flx_unscale 0
Flx_val 4491270
Flx_valrem 27426021
Flxn_div 55216
Flxn_div_pre 55247
Flxn_exp 0
Flxn_expint 109430
Flxn_inv 1037
Flxn_mul 75873
Flxn_mul_pre 5164417
Flxn_mulhigh 517048
Flxn_recip 217446
Flxn_red 6336429
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 67490
Flxq_autpow_sqr 46249
Flxq_autpowers 1667
Flxq_autsum 0
Flxq_autsum_mul 112472
Flxq_autsum_pre 98768
Flxq_autsum_sqr 105110
Flxq_auttrace 0
Flxq_auttrace_mul 782939
Flxq_auttrace_pre 962579
Flxq_auttrace_sqr 655389
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2417764
Flxq_easylog 519192
Flxq_inv 335767
Flxq_inv_pre 4284229
Flxq_invsafe 670643
Flxq_invsafe_pre 5428967
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 170655
Flxq_minpoly 44915
Flxq_minpoly_pre 810964
Flxq_mul 13191059
Flxq_mul_pre 188062560
Flxq_norm 443329
Flxq_order 97328
Flxq_pow 948270
Flxq_pow_Frobenius 21947310
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 23004456
Flxq_pow_table 0
Flxq_pow_table_pre 4392
Flxq_powers 232056
Flxq_powers_pre 22435953
Flxq_powu 488414
Flxq_powu_pre 24358810
Flxq_sqr 2759494
Flxq_sqr_pre 276951419
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 4219046
Flxq_transmul_init 1749176
RgXV_to_FlxV 7
RgX_to_Flx 2250311
Rg_to_F2 1706935
Rg_to_Fl 73224297
Rg_to_Flxq 3598612
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3813578
ZXV_to_FlxV 0
ZX_to_Flx 171003706
Z_mod2BIL_Flx 293603
Z_mod2BIL_Flx_2 296533
Z_mod2BIL_Flx_3 0
Z_to_Flx 7561131
ZpX_invLaplace_init 497
_Fl2_mul 1989069
_Fl2_pow 691523
_Fl2_rand 118527
_Fl2_sqr 5083033
_Flx_add 389834
_Flx_composedsum 3910
_Flx_divrem 0
_Flx_mul 11012981
_Flx_sqr 0
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 146888194
_Flxq_neg 366572
_Flxq_one 22435826
_Flxq_pow 21939904
_Flxq_powu 68
_Flxq_powu_i 23103491
_Flxq_rand 5584
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 269151263
bounded_order 394045
gener_Flxq 7201
get_Fl_threshold 2322588739
get_Flx_red 988148517
get_Flxq_field 68902
get_Flxq_star 280807
init_invlaplace 12514
int_to_Flx 12214
int_to_Flx_half 507268
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 20811112
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 5658109
kron_unpack_Flx_bits_wide 5578529
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8377631
mkF2 7573000
monomial_Flx 943021
random_Flx 2647267
set_Flxq 68922
set_Flxq_pre 69098143
translate_basecase 42367
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6538514

Generated by: LCOV version 1.16