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: 2025-11-22 09:22:46 Functions: 304 359 84.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 462967
Fl2_inv_pre 202122
Fl2_mul_pre 2015688
Fl2_norm_pre 128235
Fl2_pow_pre 690676
Fl2_sqr_pre 5077345
Fl2_sqrt_pre 65765
Fl2_sqrtn_pre 78442
Fl_Flxq_log 35544
Fl_Xp1_powu 0
Fl_to_Flx 21226174
Flm_to_FlxV 2772
FlvV_polint_tree 2540799
Flv_Flm_polint 103491
Flv_inv 1744802
Flv_invVandermonde 153445
Flv_inv_i 1756815
Flv_inv_indir 51278
Flv_inv_inplace 12017
Flv_inv_pre 10049
Flv_inv_pre_indir 21386193
Flv_inv_pre_inplace 19664533
Flv_polint 1486590
Flv_prod 0
Flv_prod_pre 3304
Flv_producttree 1746007
Flv_roots_to_pol 795655
Flv_to_Flx 25513532
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 325160
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 292582
FlxV_Flc_mul 34482
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxV_Flx_fromdigits 0
FlxV_composedsum 28958
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
FlxV_to_Flm 171885
FlxV_to_Flm_lg 12984075
FlxV_to_FlxX 397977
FlxV_to_ZXV 606907
FlxV_to_ZXV_inplace 3031460
Flx_Fl2_eval_pre 10773
Flx_Fl_add 10026702
Flx_Fl_mul 7326899
Flx_Fl_mul_pre 18297597
Flx_Fl_mul_to_monic 12027895
Flx_Fl_sub 151840
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1786306
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13182900
Flx_Flxq_eval 791695
Flx_Flxq_eval_pre 2448929
Flx_Frobenius 86484
Flx_Frobenius_pre 13815665
Flx_Laplace 27339
Flx_Newton 54100
Flx_add 64919374
Flx_addmulmul 416801
Flx_addshift 3728641
Flx_addspec 7257702
Flx_blocks 516904
Flx_blocks_Flm 12983404
Flx_composedprod 0
Flx_composedsum 27557
Flx_convol 0
Flx_deflate 421025
Flx_deriv 22987895
Flx_diff1 14448
Flx_digits 0
Flx_div_by_X_x 34772312
Flx_divrem 30454120
Flx_divrem_Barrett 604202
Flx_divrem_Barrettspec 904999
Flx_divrem_basecase 62320327
Flx_divrem_pre 79763485
Flx_double 2445177
Flx_equal 28347123
Flx_eval 20403178
Flx_eval2BILspec 579089
Flx_eval_powers_pre 48528811
Flx_eval_pre 136379850
Flx_extgcd 857246
Flx_extgcd_basecase 6289647
Flx_extgcd_halfgcd 146656
Flx_extgcd_pre 6289637
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109401
Flx_gcd 34269429
Flx_gcd_basecase 85211523
Flx_gcd_pre 86877399
Flx_get_red 14506658
Flx_get_red_pre 98750911
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1129605
Flx_halfgcd_all_pre 1129609
Flx_halfgcd_pre 875615
Flx_halfres_basecase 1136682
Flx_halfres_i 1156648
Flx_halfres_pre 1044
Flx_halfres_split 19964
Flx_halfres_update_pre 9405
Flx_halve 14047
Flx_inflate 160098
Flx_integ 0
Flx_integXn 422763
Flx_invBarrett 0
Flx_invBarrett_Newton 23161
Flx_invBarrett_basecase 134339
Flx_invBarrett_pre 158801
Flx_invLaplace 54367
Flx_is_l_pow 8183
Flx_is_smooth 74256
Flx_is_smooth_pre 118709
Flx_is_smooth_squarefree 126913
Flx_is_squarefree 9184237
Flx_lgrenormalizespec 2132397
Flx_matFrobenius 0
Flx_matFrobenius_pre 86572
Flx_mod_Xn1 31764
Flx_mod_Xnm1 5057033
Flx_mul 27830798
Flx_mul_pre 380106211
Flx_mulhigh_i 938608
Flx_mullimb 1186691298
Flx_mullimb_ok 3429232179
Flx_mulspec 385702186
Flx_mulspec_Kronecker 7294285
Flx_mulspec_basecase 348097138
Flx_mulspec_halfmulii 5484
Flx_mulspec_mulii 10144
Flx_mulspec_mulii_inflate 282089
Flx_mulspec_quartmulii 97165
Flx_neg 3264155
Flx_neg_inplace 1778757
Flx_negspec 3264146
Flx_normalize 63977589
Flx_powu 0
Flx_powu_pre 3892
Flx_recip 0
Flx_recipspec 7300504
Flx_red 1879338
Flx_rem 42221060
Flx_rem_basecase 805723077
Flx_rem_pre 930279574
Flx_renormalize 2161444380
Flx_rescale 1117
Flx_resultant 4735335
Flx_resultant_basecase_pre 14621988
Flx_resultant_pre 14623929
Flx_shift 27412746
Flx_shiftip 636936988
Flx_splitting 147153
Flx_sqr 354597
Flx_sqr_pre 280638490
Flx_sqrspec 280761895
Flx_sqrspec_Kronecker 691139
Flx_sqrspec_basecase 280024711
Flx_sqrspec_halfsqri 325
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2070
Flx_sqrspec_sqri_inflate 11522
Flx_sub 138708017
Flx_subspec 897474
Flx_to_Flv 66698863
Flx_to_FlxX 71629
Flx_to_ZX 38306953
Flx_to_ZX_inplace 36580726
Flx_to_int_halfspec 468821
Flx_to_int_quartspec 204548
Flx_translate1 17108
Flx_translate1_basecase 29202
Flx_triple 1049887
Flx_unscale 0
Flx_val 4484423
Flx_valrem 27450204
Flxn_div 55170
Flxn_div_pre 55190
Flxn_exp 0
Flxn_expint 109396
Flxn_inv 1037
Flxn_mul 75842
Flxn_mul_pre 5167075
Flxn_mulhigh 516828
Flxn_recip 217350
Flxn_red 6337644
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 69449
Flxq_autpow_sqr 47313
Flxq_autpowers 1667
Flxq_autsum 0
Flxq_autsum_mul 112472
Flxq_autsum_pre 98768
Flxq_autsum_sqr 105110
Flxq_auttrace 0
Flxq_auttrace_mul 782846
Flxq_auttrace_pre 962507
Flxq_auttrace_sqr 655313
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2417764
Flxq_easylog 519366
Flxq_inv 335768
Flxq_inv_pre 4287550
Flxq_invsafe 670701
Flxq_invsafe_pre 5432418
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 170669
Flxq_minpoly 45979
Flxq_minpoly_pre 812007
Flxq_mul 13192528
Flxq_mul_pre 191997199
Flxq_norm 443330
Flxq_order 97328
Flxq_pow 948380
Flxq_pow_Frobenius 23801080
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 24864698
Flxq_pow_table 0
Flxq_pow_table_pre 4392
Flxq_powers 232063
Flxq_powers_pre 22447559
Flxq_powu 488416
Flxq_powu_pre 24363380
Flxq_sqr 2763152
Flxq_sqr_pre 279614845
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 4224780
Flxq_transmul_init 1751206
RgXV_to_FlxV 7
RgX_to_Flx 2250313
Rg_to_F2 1710310
Rg_to_Fl 73222978
Rg_to_Flxq 3598629
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3813185
ZXV_to_FlxV 0
ZX_to_Flx 171040177
Z_mod2BIL_Flx 293611
Z_mod2BIL_Flx_2 296541
Z_mod2BIL_Flx_3 0
Z_to_Flx 7561740
ZpX_invLaplace_init 497
_Fl2_mul 1986646
_Fl2_pow 690666
_Fl2_rand 118353
_Fl2_sqr 5077342
_Flx_add 389834
_Flx_composedsum 3882
_Flx_divrem 0
_Flx_mul 11010350
_Flx_sqr 0
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 150755376
_Flxq_neg 366572
_Flxq_one 22446716
_Flxq_pow 23793672
_Flxq_powu 68
_Flxq_powu_i 23107729
_Flxq_rand 6556
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 271605403
bounded_order 395379
gener_Flxq 7201
get_Fl_threshold 2343450064
get_Flx_red 994377912
get_Flxq_field 68902
get_Flxq_star 283446
init_invlaplace 12514
int_to_Flx 12216
int_to_Flx_half 507268
int_to_Flx_quart 107384
kron_pack_Flx_spec 53168
kron_pack_Flx_spec_2 3389
kron_pack_Flx_spec_3 0
kron_pack_Flx_spec_bits 20872684
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 5655914
kron_unpack_Flx_bits_wide 5611822
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8406966
mkF2 7564973
monomial_Flx 943956
random_Flx 2651232
set_Flxq 68922
set_Flxq_pre 70974312
translate_basecase 42367
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6511502

Generated by: LCOV version 1.16