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 30589-01bb95f8b7) Lines: 2553 2925 87.3 %
Date: 2025-12-30 09:21:31 Functions: 304 363 83.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 450044
Fl2_inv_pre 197455
Fl2_mul_pre 1954206
Fl2_norm_pre 127604
Fl2_pow_pre 672026
Fl2_sqr_pre 4912538
Fl2_sqrt_pre 65849
Fl2_sqrtn_pre 76106
Fl_Flxq_log 35538
Fl_Xp1_powu 0
Fl_to_Flx 21930067
Flm_to_FlxV 2772
FlvV_polint_tree 2587492
Flv_Flm_polint 104562
Flv_inv 1744473
Flv_invVandermonde 153445
Flv_inv_i 1756484
Flv_inv_indir 52211
Flv_inv_inplace 12017
Flv_inv_pre 9645
Flv_inv_pre_indir 21055192
Flv_inv_pre_inplace 19330583
Flv_polint 1485188
Flv_prod 0
Flv_prod_pre 3719
Flv_producttree 1745681
Flv_roots_to_pol 842149
Flv_to_Flx 25486258
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 325154
FlxC_neg 0
FlxC_sub 0
FlxC_to_ZXC 104060
FlxM_Fl_translate 0
FlxM_Flx_add_shallow 0
FlxM_Flx_mul2 25999
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 291509
FlxV_Flc_mul 34482
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxV_Flx_fromdigits 0
FlxV_composedsum 28956
FlxV_factorback 0
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
FlxV_to_Flm 171879
FlxV_to_Flm_lg 12967275
FlxV_to_FlxX 397977
FlxV_to_ZXV 606740
FlxV_to_ZXV_inplace 3031522
Flx_Fl2_eval_pre 10773
Flx_Fl_add 9844749
Flx_Fl_mul 7327023
Flx_Fl_mul_pre 18291040
Flx_Fl_mul_to_monic 11856312
Flx_Fl_sub 151682
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1785982
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13165920
Flx_Flxq_eval 791308
Flx_Flxq_eval_pre 2444569
Flx_Frobenius 86619
Flx_Frobenius_pre 13812014
Flx_Laplace 27337
Flx_Newton 54109
Flx_add 66103514
Flx_addmulmul 416800
Flx_addshift 3724675
Flx_addspec 7250880
Flx_blocks 516695
Flx_blocks_Flm 12966790
Flx_composedprod 0
Flx_composedsum 27552
Flx_convol 0
Flx_deflate 420793
Flx_deriv 22981741
Flx_diff1 14448
Flx_digits 0
Flx_div_by_X_x 36572252
Flx_divrem 30445804
Flx_divrem_Barrett 603883
Flx_divrem_Barrettspec 905279
Flx_divrem_basecase 62282671
Flx_divrem_pre 79723128
Flx_double 2443925
Flx_equal 27554794
Flx_eval 20429130
Flx_eval2BILspec 603309
Flx_eval_powers_pre 48507307
Flx_eval_pre 136157208
Flx_extgcd 856695
Flx_extgcd_basecase 6285885
Flx_extgcd_halfgcd 146653
Flx_extgcd_pre 6285894
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109402
Flx_gcd 35022495
Flx_gcd_basecase 85772366
Flx_gcd_pre 87425352
Flx_get_red 14502522
Flx_get_red_pre 97712598
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1127268
Flx_halfgcd_all_pre 1127270
Flx_halfgcd_pre 873234
Flx_halfres_basecase 1134346
Flx_halfres_i 1154312
Flx_halfres_pre 1044
Flx_halfres_split 19964
Flx_halfres_update_pre 9405
Flx_halve 14026
Flx_inflate 160074
Flx_integ 0
Flx_integXn 422742
Flx_invBarrett 0
Flx_invBarrett_Newton 23159
Flx_invBarrett_basecase 134391
Flx_invBarrett_pre 158850
Flx_invLaplace 54364
Flx_is_l_pow 8194
Flx_is_smooth 74256
Flx_is_smooth_pre 118764
Flx_is_smooth_squarefree 126911
Flx_is_squarefree 9180439
Flx_lgrenormalizespec 2132894
Flx_matFrobenius 0
Flx_matFrobenius_pre 86566
Flx_mod_Xn1 31509
Flx_mod_Xnm1 4908036
Flx_mul 27811772
Flx_mul_pre 380286418
Flx_mulhigh_i 938250
Flx_mullimb 1187741192
Flx_mullimb_ok 3383543414
Flx_mulspec 385867126
Flx_mulspec_Kronecker 7346794
Flx_mulspec_basecase 348375148
Flx_mulspec_halfmulii 5463
Flx_mulspec_mulii 10134
Flx_mulspec_mulii_inflate 294053
Flx_mulspec_quartmulii 97166
Flx_neg 3263545
Flx_neg_inplace 1777875
Flx_negspec 3263548
Flx_normalize 64817152
Flx_powu 0
Flx_powu_pre 3875
Flx_recip 0
Flx_recipspec 7285221
Flx_red 1877622
Flx_rem 42226959
Flx_rem_basecase 800305844
Flx_rem_pre 924189379
Flx_renormalize 2155160660
Flx_rescale 1117
Flx_resultant 4733194
Flx_resultant_basecase_pre 14597956
Flx_resultant_pre 14599958
Flx_shift 27377312
Flx_shiftip 633442559
Flx_splitting 147043
Flx_sqr 354616
Flx_sqr_pre 276246036
Flx_sqrspec 276515814
Flx_sqrspec_Kronecker 695002
Flx_sqrspec_basecase 276636051
Flx_sqrspec_halfsqri 136
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2068
Flx_sqrspec_sqri_inflate 11814
Flx_sub 138635769
Flx_subspec 897661
Flx_to_Flv 66641616
Flx_to_FlxX 71405
Flx_to_ZX 38297463
Flx_to_ZX_inplace 36566848
Flx_to_int_halfspec 468590
Flx_to_int_quartspec 204550
Flx_translate1 17108
Flx_translate1_basecase 29202
Flx_triple 1049261
Flx_unscale 0
Flx_val 4465746
Flx_valrem 28473776
Flxn_div 55140
Flxn_div_pre 55174
Flxn_exp 0
Flxn_expint 109402
Flxn_inv 1037
Flxn_mul 75847
Flxn_mul_pre 5157648
Flxn_mulhigh 516606
Flxn_recip 217289
Flxn_red 6328004
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 69450
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 780093
Flxq_auttrace_pre 960027
Flxq_auttrace_sqr 652769
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2416819
Flxq_easylog 519330
Flxq_inv 335769
Flxq_inv_pre 4286415
Flxq_invsafe 670234
Flxq_invsafe_pre 5429206
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 170663
Flxq_minpoly 45937
Flxq_minpoly_pre 809771
Flxq_mul 13192388
Flxq_mul_pre 189137646
Flxq_norm 443123
Flxq_order 97328
Flxq_pow 948268
Flxq_pow_Frobenius 22992060
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 24055466
Flxq_pow_table 0
Flxq_pow_table_pre 4393
Flxq_powers 232010
Flxq_powers_pre 22434293
Flxq_powu 488334
Flxq_powu_pre 24176947
Flxq_sqr 2763155
Flxq_sqr_pre 275315053
Flxq_sqrt 230547
Flxq_sqrt_pre 230547
Flxq_sqrtl_spec_pre 37667
Flxq_sqrtn 23095
Flxq_sqrtn_spec_pre 21900
Flxq_sumautsum_msqr 40915
Flxq_sumautsum_pre 210713
Flxq_sumautsum_sqr 295314
Flxq_trace 4696
Flxq_transmul 4212874
Flxq_transmul_init 1746443
RgXV_to_FlxV 7
RgX_to_Flx 2249938
Rg_to_F2 1710288
Rg_to_Fl 73210177
Rg_to_Flxq 3588222
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3812272
ZXV_to_FlxV 0
ZX_to_Flx 171006531
Z_mod2BIL_Flx 305867
Z_mod2BIL_Flx_2 308797
Z_mod2BIL_Flx_3 0
Z_to_Flx 7556521
ZpX_invLaplace_init 497
_Fl2_mul 1925180
_Fl2_pow 672022
_Fl2_rand 113883
_Fl2_sqr 4912568
_Flx_add 0
_Flx_composedsum 3882
_Flx_divrem 0
_Flx_mul 11784180
_Flx_one 0
_Flx_pow 0
_Flx_sqr 0
_Flxq_add 389834
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 147945220
_Flxq_neg 366572
_Flxq_one 22436106
_Flxq_pow 22984654
_Flxq_powu 68
_Flxq_powu_i 22922799
_Flxq_rand 6569
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 267466579
bounded_order 395388
gener_Flxq 7201
get_Fl_threshold 2329498498
get_Flx_red 988213238
get_Flxq_field 68902
get_Flxq_star 283446
init_invlaplace 12514
int_to_Flx 12214
int_to_Flx_half 507058
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 20981465
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 5655408
kron_unpack_Flx_bits_wide 5667499
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8475804
mkF2 7326290
monomial_Flx 941311
random_Flx 2646137
set_Flxq 68922
set_Flxq_pre 69966060
translate_basecase 42367
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6401872

Generated by: LCOV version 1.16