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 30561-4f4869c0e7) Lines: 2553 2925 87.3 %
Date: 2025-11-28 09:21:39 Functions: 304 363 83.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 462850
Fl2_inv_pre 202177
Fl2_mul_pre 2014805
Fl2_norm_pre 128213
Fl2_pow_pre 690517
Fl2_sqr_pre 5074861
Fl2_sqrt_pre 65765
Fl2_sqrtn_pre 78423
Fl_Flxq_log 35535
Fl_Xp1_powu 0
Fl_to_Flx 21235287
Flm_to_FlxV 2772
FlvV_polint_tree 2540944
Flv_Flm_polint 103494
Flv_inv 1744780
Flv_invVandermonde 153445
Flv_inv_i 1756793
Flv_inv_indir 51282
Flv_inv_inplace 12017
Flv_inv_pre 10048
Flv_inv_pre_indir 21380849
Flv_inv_pre_inplace 19637142
Flv_polint 1486563
Flv_prod 0
Flv_prod_pre 3304
Flv_producttree 1745981
Flv_roots_to_pol 795715
Flv_to_Flx 25513705
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 325155
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 7098
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 292589
FlxV_Flc_mul 34482
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxV_Flx_fromdigits 0
FlxV_composedsum 28958
FlxV_factorback 0
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
FlxV_to_Flm 171881
FlxV_to_Flm_lg 12984429
FlxV_to_FlxX 397977
FlxV_to_ZXV 606900
FlxV_to_ZXV_inplace 3031447
Flx_Fl2_eval_pre 10773
Flx_Fl_add 10029043
Flx_Fl_mul 7326759
Flx_Fl_mul_pre 18297581
Flx_Fl_mul_to_monic 12027766
Flx_Fl_sub 151843
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1786286
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13183180
Flx_Flxq_eval 791686
Flx_Flxq_eval_pre 2448915
Flx_Frobenius 86484
Flx_Frobenius_pre 13814886
Flx_Laplace 27334
Flx_Newton 54098
Flx_add 64931019
Flx_addmulmul 416798
Flx_addshift 3728641
Flx_addspec 7257702
Flx_blocks 516819
Flx_blocks_Flm 12983077
Flx_composedprod 0
Flx_composedsum 27548
Flx_convol 0
Flx_deflate 421018
Flx_deriv 22987880
Flx_diff1 14448
Flx_digits 0
Flx_div_by_X_x 34779669
Flx_divrem 30449498
Flx_divrem_Barrett 604207
Flx_divrem_Barrettspec 905438
Flx_divrem_basecase 62316519
Flx_divrem_pre 79752267
Flx_double 2445177
Flx_equal 26630681
Flx_eval 20421712
Flx_eval2BILspec 579083
Flx_eval_powers_pre 48578580
Flx_eval_pre 136397560
Flx_extgcd 857249
Flx_extgcd_basecase 6289699
Flx_extgcd_halfgcd 146651
Flx_extgcd_pre 6289697
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109392
Flx_gcd 34266877
Flx_gcd_basecase 85190973
Flx_gcd_pre 86863124
Flx_get_red 14505448
Flx_get_red_pre 97088711
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1129638
Flx_halfgcd_all_pre 1129641
Flx_halfgcd_pre 875674
Flx_halfres_basecase 1136715
Flx_halfres_i 1156683
Flx_halfres_pre 1043
Flx_halfres_split 19963
Flx_halfres_update_pre 9405
Flx_halve 14047
Flx_inflate 160409
Flx_integ 0
Flx_integXn 422709
Flx_invBarrett 0
Flx_invBarrett_Newton 23160
Flx_invBarrett_basecase 134339
Flx_invBarrett_pre 158799
Flx_invLaplace 54344
Flx_is_l_pow 8172
Flx_is_smooth 74256
Flx_is_smooth_pre 118796
Flx_is_smooth_squarefree 126990
Flx_is_squarefree 9184218
Flx_lgrenormalizespec 2132760
Flx_matFrobenius 0
Flx_matFrobenius_pre 86568
Flx_mod_Xn1 31761
Flx_mod_Xnm1 5057139
Flx_mul 27829811
Flx_mul_pre 376849953
Flx_mulhigh_i 938291
Flx_mullimb 1189028488
Flx_mullimb_ok 3364312139
Flx_mulspec 382435916
Flx_mulspec_Kronecker 7293471
Flx_mulspec_basecase 344753415
Flx_mulspec_halfmulii 5484
Flx_mulspec_mulii 10141
Flx_mulspec_mulii_inflate 282086
Flx_mulspec_quartmulii 97178
Flx_neg 3263883
Flx_neg_inplace 1778757
Flx_negspec 3263867
Flx_normalize 63974642
Flx_powu 0
Flx_powu_pre 3892
Flx_recip 0
Flx_recipspec 7301383
Flx_red 1879292
Flx_rem 42223299
Flx_rem_basecase 800688770
Flx_rem_pre 925377991
Flx_renormalize 2150196219
Flx_rescale 1117
Flx_resultant 4735436
Flx_resultant_basecase_pre 14622062
Flx_resultant_pre 14624008
Flx_shift 27411245
Flx_shiftip 632293597
Flx_splitting 147154
Flx_sqr 354592
Flx_sqr_pre 279163261
Flx_sqrspec 279341847
Flx_sqrspec_Kronecker 691130
Flx_sqrspec_basecase 278591234
Flx_sqrspec_halfsqri 325
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2067
Flx_sqrspec_sqri_inflate 11522
Flx_sub 138700156
Flx_subspec 897694
Flx_to_Flv 66695886
Flx_to_FlxX 71629
Flx_to_ZX 38303328
Flx_to_ZX_inplace 36571802
Flx_to_int_halfspec 468821
Flx_to_int_quartspec 204574
Flx_translate1 17108
Flx_translate1_basecase 29202
Flx_triple 1049887
Flx_unscale 0
Flx_val 4487706
Flx_valrem 27440465
Flxn_div 55160
Flxn_div_pre 55182
Flxn_exp 0
Flxn_expint 109396
Flxn_inv 1037
Flxn_mul 75840
Flxn_mul_pre 5166324
Flxn_mulhigh 516715
Flxn_recip 217285
Flxn_red 6336300
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 20698
Flxq_autpow_pre 69452
Flxq_autpow_sqr 47318
Flxq_autpowers 1667
Flxq_autsum 0
Flxq_autsum_mul 112473
Flxq_autsum_pre 98769
Flxq_autsum_sqr 105111
Flxq_auttrace 0
Flxq_auttrace_mul 782961
Flxq_auttrace_pre 962573
Flxq_auttrace_sqr 655407
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2417764
Flxq_easylog 519381
Flxq_inv 335768
Flxq_inv_pre 4287589
Flxq_invsafe 670705
Flxq_invsafe_pre 5432462
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 170667
Flxq_minpoly 45979
Flxq_minpoly_pre 812056
Flxq_mul 13192534
Flxq_mul_pre 188692738
Flxq_norm 443336
Flxq_order 97328
Flxq_pow 948361
Flxq_pow_Frobenius 22147703
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 23211207
Flxq_pow_table 0
Flxq_pow_table_pre 4394
Flxq_powers 232059
Flxq_powers_pre 22446468
Flxq_powu 488417
Flxq_powu_pre 24363010
Flxq_sqr 2763155
Flxq_sqr_pre 278165847
Flxq_sqrt 230484
Flxq_sqrt_pre 230484
Flxq_sqrtl_spec_pre 37667
Flxq_sqrtn 23095
Flxq_sqrtn_spec_pre 21901
Flxq_sumautsum_msqr 40915
Flxq_sumautsum_pre 210713
Flxq_sumautsum_sqr 295314
Flxq_trace 4696
Flxq_transmul 4224897
Flxq_transmul_init 1751325
RgXV_to_FlxV 7
RgX_to_Flx 2250315
Rg_to_F2 1710308
Rg_to_Fl 73223504
Rg_to_Flxq 3598603
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3812869
ZXV_to_FlxV 0
ZX_to_Flx 171007989
Z_mod2BIL_Flx 293608
Z_mod2BIL_Flx_2 296538
Z_mod2BIL_Flx_3 0
Z_to_Flx 7561423
ZpX_invLaplace_init 497
_Fl2_mul 1985775
_Fl2_pow 690510
_Fl2_rand 118247
_Fl2_sqr 5074786
_Flx_add 0
_Flx_composedsum 3882
_Flx_divrem 0
_Flx_mul 11012432
_Flx_one 0
_Flx_pow 0
_Flx_sqr 0
_Flxq_add 389834
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 147444918
_Flxq_neg 366572
_Flxq_one 22444417
_Flxq_pow 22140292
_Flxq_powu 68
_Flxq_powu_i 23107895
_Flxq_rand 6568
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 270182756
bounded_order 395388
gener_Flxq 7201
get_Fl_threshold 2326348958
get_Flx_red 989410570
get_Flxq_field 68902
get_Flxq_star 283446
init_invlaplace 12514
int_to_Flx 12215
int_to_Flx_half 507268
int_to_Flx_quart 107397
kron_pack_Flx_spec 53168
kron_pack_Flx_spec_2 3389
kron_pack_Flx_spec_3 0
kron_pack_Flx_spec_bits 20871251
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 5655974
kron_unpack_Flx_bits_wide 5611837
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8407274
mkF2 7561533
monomial_Flx 944010
random_Flx 2651306
set_Flxq 68922
set_Flxq_pre 69315953
translate_basecase 42367
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6523265

Generated by: LCOV version 1.16