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 30584-b9873745ba) Lines: 2553 2925 87.3 %
Date: 2025-12-22 09:21:19 Functions: 304 363 83.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 449946
Fl2_inv_pre 197385
Fl2_mul_pre 1952457
Fl2_norm_pre 127442
Fl2_pow_pre 671769
Fl2_sqr_pre 4906910
Fl2_sqrt_pre 65765
Fl2_sqrtn_pre 76004
Fl_Flxq_log 35547
Fl_Xp1_powu 0
Fl_to_Flx 21930704
Flm_to_FlxV 2772
FlvV_polint_tree 2587617
Flv_Flm_polint 104465
Flv_inv 1745559
Flv_invVandermonde 153445
Flv_inv_i 1757562
Flv_inv_indir 52115
Flv_inv_inplace 12017
Flv_inv_pre 9644
Flv_inv_pre_indir 21002206
Flv_inv_pre_inplace 19277883
Flv_polint 1486378
Flv_prod 0
Flv_prod_pre 3719
Flv_producttree 1746778
Flv_roots_to_pol 840887
Flv_to_Flx 25485944
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 291530
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 171880
FlxV_to_Flm_lg 12967532
FlxV_to_FlxX 397977
FlxV_to_ZXV 606746
FlxV_to_ZXV_inplace 3031672
Flx_Fl2_eval_pre 10773
Flx_Fl_add 9843095
Flx_Fl_mul 7326650
Flx_Fl_mul_pre 18291658
Flx_Fl_mul_to_monic 11855050
Flx_Fl_sub 151681
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1787064
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13166159
Flx_Flxq_eval 791304
Flx_Flxq_eval_pre 2444599
Flx_Frobenius 86486
Flx_Frobenius_pre 13811950
Flx_Laplace 27348
Flx_Newton 54102
Flx_add 66108374
Flx_addmulmul 416793
Flx_addshift 3726367
Flx_addspec 7254264
Flx_blocks 516766
Flx_blocks_Flm 12966323
Flx_composedprod 0
Flx_composedsum 27547
Flx_convol 0
Flx_deflate 420773
Flx_deriv 22982330
Flx_diff1 14414
Flx_digits 0
Flx_div_by_X_x 36546418
Flx_divrem 30447379
Flx_divrem_Barrett 603877
Flx_divrem_Barrettspec 905258
Flx_divrem_basecase 62276638
Flx_divrem_pre 79716599
Flx_double 2445177
Flx_equal 27721201
Flx_eval 20424382
Flx_eval2BILspec 603295
Flx_eval_powers_pre 48471915
Flx_eval_pre 136406281
Flx_extgcd 856685
Flx_extgcd_basecase 6286956
Flx_extgcd_halfgcd 146650
Flx_extgcd_pre 6286955
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109402
Flx_gcd 35015770
Flx_gcd_basecase 85759602
Flx_gcd_pre 87413086
Flx_get_red 14503034
Flx_get_red_pre 97881552
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1126883
Flx_halfgcd_all_pre 1126886
Flx_halfgcd_pre 873245
Flx_halfres_basecase 1133963
Flx_halfres_i 1153927
Flx_halfres_pre 1044
Flx_halfres_split 19964
Flx_halfres_update_pre 9405
Flx_halve 14026
Flx_inflate 160011
Flx_integ 0
Flx_integXn 422738
Flx_invBarrett 0
Flx_invBarrett_Newton 23161
Flx_invBarrett_basecase 134392
Flx_invBarrett_pre 158853
Flx_invLaplace 54357
Flx_is_l_pow 8133
Flx_is_smooth 74256
Flx_is_smooth_pre 118196
Flx_is_smooth_squarefree 126307
Flx_is_squarefree 9180608
Flx_lgrenormalizespec 2132866
Flx_matFrobenius 0
Flx_matFrobenius_pre 86572
Flx_mod_Xn1 31489
Flx_mod_Xnm1 4907428
Flx_mul 27804189
Flx_mul_pre 380602253
Flx_mulhigh_i 938341
Flx_mullimb 1187082139
Flx_mullimb_ok 3388234848
Flx_mulspec 386186581
Flx_mulspec_Kronecker 7346902
Flx_mulspec_basecase 348710279
Flx_mulspec_halfmulii 5463
Flx_mulspec_mulii 10147
Flx_mulspec_mulii_inflate 294046
Flx_mulspec_quartmulii 97158
Flx_neg 3263556
Flx_neg_inplace 1778721
Flx_negspec 3263541
Flx_normalize 64800435
Flx_powu 0
Flx_powu_pre 3875
Flx_recip 0
Flx_recipspec 7286898
Flx_red 1877661
Flx_rem 42223220
Flx_rem_basecase 800670057
Flx_rem_pre 924513053
Flx_renormalize 2155699462
Flx_rescale 1117
Flx_resultant 4735116
Flx_resultant_basecase_pre 14619094
Flx_resultant_pre 14621270
Flx_shift 27377368
Flx_shiftip 633953807
Flx_splitting 147041
Flx_sqr 354555
Flx_sqr_pre 276310552
Flx_sqrspec 276609467
Flx_sqrspec_Kronecker 694989
Flx_sqrspec_basecase 276771925
Flx_sqrspec_halfsqri 136
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2066
Flx_sqrspec_sqri_inflate 11814
Flx_sub 138628585
Flx_subspec 897704
Flx_to_Flv 66641404
Flx_to_FlxX 71405
Flx_to_ZX 38297598
Flx_to_ZX_inplace 36566675
Flx_to_int_halfspec 468590
Flx_to_int_quartspec 204535
Flx_translate1 17075
Flx_translate1_basecase 29163
Flx_triple 1049887
Flx_unscale 0
Flx_val 4462340
Flx_valrem 28462686
Flxn_div 55124
Flxn_div_pre 55158
Flxn_exp 0
Flxn_expint 109405
Flxn_inv 1037
Flxn_mul 75845
Flxn_mul_pre 5157748
Flxn_mulhigh 516670
Flxn_recip 217262
Flxn_red 6328320
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 69445
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 780310
Flxq_auttrace_pre 959941
Flxq_auttrace_sqr 652987
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2417764
Flxq_easylog 519375
Flxq_inv 335768
Flxq_inv_pre 4287409
Flxq_invsafe 670346
Flxq_invsafe_pre 5430292
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 45937
Flxq_minpoly_pre 809727
Flxq_mul 13192518
Flxq_mul_pre 189458622
Flxq_norm 443331
Flxq_order 97328
Flxq_pow 948184
Flxq_pow_Frobenius 23167436
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 24230756
Flxq_pow_table 0
Flxq_pow_table_pre 4393
Flxq_powers 232016
Flxq_powers_pre 22434667
Flxq_powu 488332
Flxq_powu_pre 24172241
Flxq_sqr 2763158
Flxq_sqr_pre 275356097
Flxq_sqrt 230463
Flxq_sqrt_pre 230463
Flxq_sqrtl_spec_pre 37664
Flxq_sqrtn 23094
Flxq_sqrtn_spec_pre 21900
Flxq_sumautsum_msqr 40915
Flxq_sumautsum_pre 210713
Flxq_sumautsum_sqr 295314
Flxq_trace 4696
Flxq_transmul 4213071
Flxq_transmul_init 1746468
RgXV_to_FlxV 7
RgX_to_Flx 2249944
Rg_to_F2 1710288
Rg_to_Fl 73210186
Rg_to_Flxq 3588258
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3812039
ZXV_to_FlxV 0
ZX_to_Flx 171013199
Z_mod2BIL_Flx 305860
Z_mod2BIL_Flx_2 308790
Z_mod2BIL_Flx_3 0
Z_to_Flx 7556900
ZpX_invLaplace_init 497
_Fl2_mul 1923448
_Fl2_pow 671768
_Fl2_rand 113719
_Fl2_sqr 4907020
_Flx_add 0
_Flx_composedsum 3882
_Flx_divrem 0
_Flx_mul 11778278
_Flx_one 0
_Flx_pow 0
_Flx_sqr 0
_Flxq_add 389834
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 148271602
_Flxq_neg 366572
_Flxq_one 22436179
_Flxq_pow 23160028
_Flxq_powu 68
_Flxq_powu_i 22917622
_Flxq_rand 6558
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 267511818
bounded_order 395380
gener_Flxq 7201
get_Fl_threshold 2330522365
get_Flx_red 988504848
get_Flxq_field 68902
get_Flxq_star 283445
init_invlaplace 12514
int_to_Flx 12217
int_to_Flx_half 507058
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 20981018
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 5655357
kron_unpack_Flx_bits_wide 5667870
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8475916
mkF2 7318645
monomial_Flx 941302
random_Flx 2646229
set_Flxq 68922
set_Flxq_pre 70136840
translate_basecase 42332
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6379713

Generated by: LCOV version 1.16