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 30532-0c728fd268) Lines: 2553 2914 87.6 %
Date: 2025-10-18 09:22:31 Functions: 304 359 84.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 462862
Fl2_inv_pre 202153
Fl2_mul_pre 2015019
Fl2_norm_pre 128199
Fl2_pow_pre 690593
Fl2_sqr_pre 5074558
Fl2_sqrt_pre 65765
Fl2_sqrtn_pre 78449
Fl_Flxq_log 35537
Fl_Xp1_powu 0
Fl_to_Flx 21222806
Flm_to_FlxV 2772
FlvV_polint_tree 2540512
Flv_Flm_polint 103474
Flv_inv 1744759
Flv_invVandermonde 153445
Flv_inv_i 1756775
Flv_inv_indir 51282
Flv_inv_inplace 12017
Flv_inv_pre 10046
Flv_inv_pre_indir 21365174
Flv_inv_pre_inplace 19639692
Flv_polint 1486562
Flv_prod 0
Flv_prod_pre 3304
Flv_producttree 1745960
Flv_roots_to_pol 795527
Flv_to_Flx 25484871
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 325131
FlxC_neg 0
FlxC_sub 0
FlxC_to_ZXC 104060
FlxM_Fl_translate 0
FlxM_Flx_add_shallow 0
FlxM_Flx_mul2 25998
FlxM_eval_powers_pre 22300
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 290075
FlxV_Flc_mul 34482
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxV_Flx_fromdigits 0
FlxV_composedsum 28981
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
FlxV_to_Flm 171884
FlxV_to_Flm_lg 12969720
FlxV_to_FlxX 397977
FlxV_to_ZXV 606902
FlxV_to_ZXV_inplace 3031352
Flx_Fl2_eval_pre 10773
Flx_Fl_add 10025443
Flx_Fl_mul 7325098
Flx_Fl_mul_pre 18288567
Flx_Fl_mul_to_monic 12026654
Flx_Fl_sub 151837
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1786262
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13168869
Flx_Flxq_eval 790606
Flx_Flxq_eval_pre 2444561
Flx_Frobenius 86482
Flx_Frobenius_pre 13810301
Flx_Laplace 27376
Flx_Newton 54169
Flx_add 64859472
Flx_addmulmul 416637
Flx_addshift 3684967
Flx_addspec 7170354
Flx_blocks 517362
Flx_blocks_Flm 12969187
Flx_composedprod 0
Flx_composedsum 27584
Flx_convol 0
Flx_deflate 421000
Flx_deriv 22987519
Flx_diff1 14448
Flx_digits 0
Flx_div_by_X_x 34758136
Flx_divrem 30449571
Flx_divrem_Barrett 603508
Flx_divrem_Barrettspec 904269
Flx_divrem_basecase 62293316
Flx_divrem_pre 79732121
Flx_double 2445177
Flx_equal 26935744
Flx_eval 20410891
Flx_eval2BILspec 579089
Flx_eval_powers_pre 48515123
Flx_eval_pre 136393773
Flx_extgcd 857236
Flx_extgcd_basecase 6286138
Flx_extgcd_halfgcd 146586
Flx_extgcd_pre 6286141
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109435
Flx_gcd 34266598
Flx_gcd_basecase 85204301
Flx_gcd_pre 86871143
Flx_get_red 14501462
Flx_get_red_pre 97289804
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1128138
Flx_halfgcd_all_pre 1128142
Flx_halfgcd_pre 874448
Flx_halfres_basecase 1135215
Flx_halfres_i 1155181
Flx_halfres_pre 1044
Flx_halfres_split 19964
Flx_halfres_update_pre 9405
Flx_halve 14047
Flx_inflate 159875
Flx_integ 0
Flx_integXn 422870
Flx_invBarrett 0
Flx_invBarrett_Newton 23160
Flx_invBarrett_basecase 134340
Flx_invBarrett_pre 158800
Flx_invLaplace 54424
Flx_is_l_pow 8167
Flx_is_smooth 74256
Flx_is_smooth_pre 118486
Flx_is_smooth_squarefree 126719
Flx_is_squarefree 9184153
Flx_lgrenormalizespec 2130974
Flx_matFrobenius 0
Flx_matFrobenius_pre 86570
Flx_mod_Xn1 31763
Flx_mod_Xnm1 5057140
Flx_mul 27822398
Flx_mul_pre 377131971
Flx_mulhigh_i 939382
Flx_mullimb 1184678500
Flx_mullimb_ok 3377256230
Flx_mulspec 382675616
Flx_mulspec_Kronecker 7259291
Flx_mulspec_basecase 345140628
Flx_mulspec_halfmulii 5484
Flx_mulspec_mulii 10142
Flx_mulspec_mulii_inflate 282089
Flx_mulspec_quartmulii 97179
Flx_neg 3263505
Flx_neg_inplace 1756920
Flx_negspec 3263488
Flx_normalize 63979533
Flx_powu 0
Flx_powu_pre 3851
Flx_recip 0
Flx_recipspec 7292391
Flx_red 1877092
Flx_rem 42219132
Flx_rem_basecase 800994466
Flx_rem_pre 925645250
Flx_renormalize 2151853271
Flx_rescale 1117
Flx_resultant 4735186
Flx_resultant_basecase_pre 14621191
Flx_resultant_pre 14623153
Flx_shift 27398392
Flx_shiftip 632234864
Flx_splitting 146870
Flx_sqr 354535
Flx_sqr_pre 279099722
Flx_sqrspec 279233412
Flx_sqrspec_Kronecker 691054
Flx_sqrspec_basecase 278473875
Flx_sqrspec_halfsqri 325
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2070
Flx_sqrspec_sqri_inflate 11522
Flx_sub 138676063
Flx_subspec 896789
Flx_to_Flv 66639558
Flx_to_FlxX 71629
Flx_to_ZX 38305502
Flx_to_ZX_inplace 36572639
Flx_to_int_halfspec 468821
Flx_to_int_quartspec 204576
Flx_translate1 17108
Flx_translate1_basecase 29202
Flx_triple 1049887
Flx_unscale 0
Flx_val 4485372
Flx_valrem 27453017
Flxn_div 55228
Flxn_div_pre 55245
Flxn_exp 0
Flxn_expint 109432
Flxn_inv 1037
Flxn_mul 75872
Flxn_mul_pre 5165577
Flxn_mulhigh 517292
Flxn_recip 217513
Flxn_red 6337146
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 67497
Flxq_autpow_sqr 46260
Flxq_autpowers 1667
Flxq_autsum 0
Flxq_autsum_mul 112490
Flxq_autsum_pre 98774
Flxq_autsum_sqr 105124
Flxq_auttrace 0
Flxq_auttrace_mul 782843
Flxq_auttrace_pre 962459
Flxq_auttrace_sqr 655321
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2417764
Flxq_easylog 519198
Flxq_inv 335769
Flxq_inv_pre 4284224
Flxq_invsafe 670604
Flxq_invsafe_pre 5428924
Flxq_is2npower 0
Flxq_issquare 404492
Flxq_log 164216
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 44915
Flxq_minpoly_pre 810919
Flxq_mul 13191087
Flxq_mul_pre 189072151
Flxq_norm 443325
Flxq_order 97328
Flxq_pow 948353
Flxq_pow_Frobenius 22383329
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 23440660
Flxq_pow_table 0
Flxq_pow_table_pre 4393
Flxq_powers 232062
Flxq_powers_pre 22435931
Flxq_powu 488422
Flxq_powu_pre 24356375
Flxq_sqr 2759492
Flxq_sqr_pre 278108295
Flxq_sqrt 230484
Flxq_sqrt_pre 230484
Flxq_sqrtl_spec_pre 35707
Flxq_sqrtn 20455
Flxq_sqrtn_spec_pre 19262
Flxq_sumautsum_msqr 40558
Flxq_sumautsum_pre 208704
Flxq_sumautsum_sqr 292682
Flxq_trace 4696
Flxq_transmul 4218428
Flxq_transmul_init 1748877
RgXV_to_FlxV 7
RgX_to_Flx 2250304
Rg_to_F2 1706825
Rg_to_Fl 73224068
Rg_to_Flxq 3598554
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3812361
ZXV_to_FlxV 0
ZX_to_Flx 171021595
Z_mod2BIL_Flx 293611
Z_mod2BIL_Flx_2 296541
Z_mod2BIL_Flx_3 0
Z_to_Flx 7561203
ZpX_invLaplace_init 497
_Fl2_mul 1985971
_Fl2_pow 690572
_Fl2_rand 118313
_Fl2_sqr 5074502
_Flx_add 389834
_Flx_composedsum 3910
_Flx_divrem 0
_Flx_mul 11009908
_Flx_sqr 0
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 147861263
_Flxq_neg 366572
_Flxq_one 22435296
_Flxq_pow 22375917
_Flxq_powu 68
_Flxq_powu_i 23102579
_Flxq_rand 5567
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 270113959
bounded_order 394035
gener_Flxq 7201
get_Fl_threshold 2327952562
get_Flx_red 989640861
get_Flxq_field 68902
get_Flxq_star 280805
init_invlaplace 12514
int_to_Flx 12216
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 20803319
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 5653818
kron_unpack_Flx_bits_wide 5579066
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8372470
mkF2 7561670
monomial_Flx 942872
random_Flx 2647036
set_Flxq 68922
set_Flxq_pre 69533145
translate_basecase 42367
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6518265

Generated by: LCOV version 1.16