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 30552-d1d0643eee) Lines: 2553 2914 87.6 %
Date: 2025-11-21 09:22:16 Functions: 304 359 84.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 462857
Fl2_inv_pre 202135
Fl2_mul_pre 2014663
Fl2_norm_pre 128183
Fl2_pow_pre 690551
Fl2_sqr_pre 5074469
Fl2_sqrt_pre 65765
Fl2_sqrtn_pre 78423
Fl_Flxq_log 35541
Fl_Xp1_powu 0
Fl_to_Flx 21220797
Flm_to_FlxV 2772
FlvV_polint_tree 2540515
Flv_Flm_polint 103489
Flv_inv 1744812
Flv_invVandermonde 153445
Flv_inv_i 1756827
Flv_inv_indir 51280
Flv_inv_inplace 12017
Flv_inv_pre 10045
Flv_inv_pre_indir 21369674
Flv_inv_pre_inplace 19647822
Flv_polint 1486603
Flv_prod 0
Flv_prod_pre 3304
Flv_producttree 1746015
Flv_roots_to_pol 795510
Flv_to_Flx 25514487
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 325159
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 298680
FlxV_Flc_mul 34482
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxV_Flx_fromdigits 0
FlxV_composedsum 28970
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
FlxV_to_Flm 171890
FlxV_to_Flm_lg 12984582
FlxV_to_FlxX 397977
FlxV_to_ZXV 606904
FlxV_to_ZXV_inplace 3031459
Flx_Fl2_eval_pre 10773
Flx_Fl_add 10026313
Flx_Fl_mul 7328786
Flx_Fl_mul_pre 18299936
Flx_Fl_mul_to_monic 12028857
Flx_Fl_sub 151841
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1786323
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13183437
Flx_Flxq_eval 791688
Flx_Flxq_eval_pre 2448945
Flx_Frobenius 86486
Flx_Frobenius_pre 13815867
Flx_Laplace 27346
Flx_Newton 54106
Flx_add 64910508
Flx_addmulmul 416801
Flx_addshift 3728641
Flx_addspec 7257702
Flx_blocks 517040
Flx_blocks_Flm 12983533
Flx_composedprod 0
Flx_composedsum 27548
Flx_convol 0
Flx_deflate 421028
Flx_deriv 22988391
Flx_diff1 14448
Flx_digits 0
Flx_div_by_X_x 34762084
Flx_divrem 30453620
Flx_divrem_Barrett 605888
Flx_divrem_Barrettspec 906620
Flx_divrem_basecase 62322641
Flx_divrem_pre 79764973
Flx_double 2445177
Flx_equal 26846869
Flx_eval 20426323
Flx_eval2BILspec 579103
Flx_eval_powers_pre 48507615
Flx_eval_pre 136403735
Flx_extgcd 857252
Flx_extgcd_basecase 6289629
Flx_extgcd_halfgcd 146653
Flx_extgcd_pre 6289637
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109406
Flx_gcd 34263746
Flx_gcd_basecase 85211670
Flx_gcd_pre 86877891
Flx_get_red 14506534
Flx_get_red_pre 97256152
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1129766
Flx_halfgcd_all_pre 1129772
Flx_halfgcd_pre 875778
Flx_halfres_basecase 1136839
Flx_halfres_i 1156810
Flx_halfres_pre 1044
Flx_halfres_split 19964
Flx_halfres_update_pre 9405
Flx_halve 14047
Flx_inflate 161221
Flx_integ 0
Flx_integXn 422766
Flx_invBarrett 0
Flx_invBarrett_Newton 23160
Flx_invBarrett_basecase 134338
Flx_invBarrett_pre 158800
Flx_invLaplace 54365
Flx_is_l_pow 8198
Flx_is_smooth 74256
Flx_is_smooth_pre 119046
Flx_is_smooth_squarefree 127255
Flx_is_squarefree 9184136
Flx_lgrenormalizespec 2135802
Flx_matFrobenius 0
Flx_matFrobenius_pre 86572
Flx_mod_Xn1 31762
Flx_mod_Xnm1 5056361
Flx_mul 27833724
Flx_mul_pre 377060225
Flx_mulhigh_i 938770
Flx_mullimb 1187002262
Flx_mullimb_ok 3379009920
Flx_mulspec 382652247
Flx_mulspec_Kronecker 7295352
Flx_mulspec_basecase 345028097
Flx_mulspec_halfmulii 5484
Flx_mulspec_mulii 10135
Flx_mulspec_mulii_inflate 282096
Flx_mulspec_quartmulii 97167
Flx_neg 3265643
Flx_neg_inplace 1778757
Flx_negspec 3265633
Flx_normalize 63968343
Flx_powu 0
Flx_powu_pre 3988
Flx_recip 0
Flx_recipspec 7304746
Flx_red 1884679
Flx_rem 42230762
Flx_rem_basecase 801214884
Flx_rem_pre 925731263
Flx_renormalize 2152501872
Flx_rescale 1117
Flx_resultant 4735376
Flx_resultant_basecase_pre 14621940
Flx_resultant_pre 14623843
Flx_shift 27415267
Flx_shiftip 632273780
Flx_splitting 147837
Flx_sqr 354715
Flx_sqr_pre 279068615
Flx_sqrspec 279190141
Flx_sqrspec_Kronecker 691257
Flx_sqrspec_basecase 278490730
Flx_sqrspec_halfsqri 325
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2069
Flx_sqrspec_sqri_inflate 11522
Flx_sub 138713053
Flx_subspec 899143
Flx_to_Flv 66700564
Flx_to_FlxX 71629
Flx_to_ZX 38307104
Flx_to_ZX_inplace 36578985
Flx_to_int_halfspec 468821
Flx_to_int_quartspec 204552
Flx_translate1 17108
Flx_translate1_basecase 29202
Flx_triple 1049887
Flx_unscale 0
Flx_val 4480436
Flx_valrem 27440961
Flxn_div 55182
Flxn_div_pre 55202
Flxn_exp 0
Flxn_expint 109401
Flxn_inv 1037
Flxn_mul 75841
Flxn_mul_pre 5167885
Flxn_mulhigh 516958
Flxn_recip 217331
Flxn_red 6338850
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 69452
Flxq_autpow_sqr 47316
Flxq_autpowers 1667
Flxq_autsum 0
Flxq_autsum_mul 112475
Flxq_autsum_pre 98771
Flxq_autsum_sqr 105113
Flxq_auttrace 0
Flxq_auttrace_mul 782864
Flxq_auttrace_pre 962528
Flxq_auttrace_sqr 655328
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2417764
Flxq_easylog 519355
Flxq_inv 335770
Flxq_inv_pre 4287536
Flxq_invsafe 670691
Flxq_invsafe_pre 5432395
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 170666
Flxq_minpoly 45979
Flxq_minpoly_pre 812070
Flxq_mul 13192535
Flxq_mul_pre 188968765
Flxq_norm 443333
Flxq_order 97328
Flxq_pow 948313
Flxq_pow_Frobenius 22302202
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 23365619
Flxq_pow_table 0
Flxq_pow_table_pre 4391
Flxq_powers 232062
Flxq_powers_pre 22447916
Flxq_powu 488414
Flxq_powu_pre 24366301
Flxq_sqr 2763155
Flxq_sqr_pre 278061131
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 4225382
Flxq_transmul_init 1751527
RgXV_to_FlxV 7
RgX_to_Flx 2250314
Rg_to_F2 1710442
Rg_to_Fl 73223286
Rg_to_Flxq 3598580
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3814694
ZXV_to_FlxV 0
ZX_to_Flx 171042112
Z_mod2BIL_Flx 293618
Z_mod2BIL_Flx_2 296548
Z_mod2BIL_Flx_3 0
Z_to_Flx 7561683
ZpX_invLaplace_init 497
_Fl2_mul 1985634
_Fl2_pow 690543
_Fl2_rand 118295
_Fl2_sqr 5074450
_Flx_add 389834
_Flx_composedsum 3882
_Flx_divrem 0
_Flx_mul 11000852
_Flx_sqr 0
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 147724075
_Flxq_neg 366572
_Flxq_one 22447221
_Flxq_pow 22294796
_Flxq_powu 68
_Flxq_powu_i 23111064
_Flxq_rand 6568
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 270067103
bounded_order 395392
gener_Flxq 7201
get_Fl_threshold 2328305800
get_Flx_red 989801574
get_Flxq_field 68902
get_Flxq_star 283446
init_invlaplace 12514
int_to_Flx 12213
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 20875585
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 5661073
kron_unpack_Flx_bits_wide 5608634
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8408945
mkF2 7560998
monomial_Flx 944109
random_Flx 2651361
set_Flxq 68922
set_Flxq_pre 69479003
translate_basecase 42367
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6511265

Generated by: LCOV version 1.16