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 30574-595e4ba651) Lines: 2553 2925 87.3 %
Date: 2025-12-18 09:22:54 Functions: 304 363 83.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 462397
Fl2_inv_pre 201941
Fl2_mul_pre 2013909
Fl2_norm_pre 128185
Fl2_pow_pre 689839
Fl2_sqr_pre 5072979
Fl2_sqrt_pre 65765
Fl2_sqrtn_pre 78382
Fl_Flxq_log 35552
Fl_Xp1_powu 0
Fl_to_Flx 21224409
Flm_to_FlxV 2772
FlvV_polint_tree 2540920
Flv_Flm_polint 103492
Flv_inv 1744836
Flv_invVandermonde 153445
Flv_inv_i 1756846
Flv_inv_indir 51283
Flv_inv_inplace 12017
Flv_inv_pre 10048
Flv_inv_pre_indir 21437416
Flv_inv_pre_inplace 19710179
Flv_polint 1486620
Flv_prod 0
Flv_prod_pre 3304
Flv_producttree 1746035
Flv_roots_to_pol 795702
Flv_to_Flx 25522514
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 325153
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 298290
FlxV_Flc_mul 34482
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxV_Flx_fromdigits 0
FlxV_composedsum 28969
FlxV_factorback 0
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
FlxV_to_Flm 171875
FlxV_to_Flm_lg 12989545
FlxV_to_FlxX 397977
FlxV_to_ZXV 606931
FlxV_to_ZXV_inplace 3032257
Flx_Fl2_eval_pre 10773
Flx_Fl_add 10029435
Flx_Fl_mul 7328233
Flx_Fl_mul_pre 18299439
Flx_Fl_mul_to_monic 12028837
Flx_Fl_sub 151854
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1786332
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13188072
Flx_Flxq_eval 791742
Flx_Flxq_eval_pre 2449851
Flx_Frobenius 86483
Flx_Frobenius_pre 13820909
Flx_Laplace 27342
Flx_Newton 54110
Flx_add 64944625
Flx_addmulmul 416800
Flx_addshift 3728641
Flx_addspec 7257702
Flx_blocks 517017
Flx_blocks_Flm 12988582
Flx_composedprod 0
Flx_composedsum 27554
Flx_convol 0
Flx_deflate 421056
Flx_deriv 22991899
Flx_diff1 14448
Flx_digits 0
Flx_div_by_X_x 34763598
Flx_divrem 30452317
Flx_divrem_Barrett 605752
Flx_divrem_Barrettspec 906454
Flx_divrem_basecase 62339874
Flx_divrem_pre 79773540
Flx_double 2445177
Flx_equal 26309072
Flx_eval 20410522
Flx_eval2BILspec 579103
Flx_eval_powers_pre 48637286
Flx_eval_pre 136367233
Flx_extgcd 857300
Flx_extgcd_basecase 6289900
Flx_extgcd_halfgcd 146653
Flx_extgcd_pre 6289893
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109402
Flx_gcd 34263072
Flx_gcd_basecase 85215920
Flx_gcd_pre 86881160
Flx_get_red 14513308
Flx_get_red_pre 96731169
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1130312
Flx_halfgcd_all_pre 1130316
Flx_halfgcd_pre 876100
Flx_halfres_basecase 1137392
Flx_halfres_i 1157357
Flx_halfres_pre 1044
Flx_halfres_split 19964
Flx_halfres_update_pre 9405
Flx_halve 14047
Flx_inflate 160722
Flx_integ 0
Flx_integXn 422757
Flx_invBarrett 0
Flx_invBarrett_Newton 23160
Flx_invBarrett_basecase 134341
Flx_invBarrett_pre 158802
Flx_invLaplace 54385
Flx_is_l_pow 8157
Flx_is_smooth 74256
Flx_is_smooth_pre 118809
Flx_is_smooth_squarefree 126936
Flx_is_squarefree 9184552
Flx_lgrenormalizespec 2135466
Flx_matFrobenius 0
Flx_matFrobenius_pre 86566
Flx_mod_Xn1 31769
Flx_mod_Xnm1 5057252
Flx_mul 27839665
Flx_mul_pre 376011766
Flx_mulhigh_i 938821
Flx_mullimb 1189186667
Flx_mullimb_ok 3354389745
Flx_mulspec 381708814
Flx_mulspec_Kronecker 7297487
Flx_mulspec_basecase 344299191
Flx_mulspec_halfmulii 5484
Flx_mulspec_mulii 10143
Flx_mulspec_mulii_inflate 282096
Flx_mulspec_quartmulii 97165
Flx_neg 3265571
Flx_neg_inplace 1778757
Flx_negspec 3265561
Flx_normalize 64003846
Flx_powu 0
Flx_powu_pre 3979
Flx_recip 0
Flx_recipspec 7306229
Flx_red 1884477
Flx_rem 42218399
Flx_rem_basecase 799923532
Flx_rem_pre 924112826
Flx_renormalize 2150760667
Flx_rescale 1117
Flx_resultant 4736382
Flx_resultant_basecase_pre 14622955
Flx_resultant_pre 14624985
Flx_shift 27422359
Flx_shiftip 630987304
Flx_splitting 147775
Flx_sqr 354718
Flx_sqr_pre 278001921
Flx_sqrspec 278329290
Flx_sqrspec_Kronecker 691241
Flx_sqrspec_basecase 278275936
Flx_sqrspec_halfsqri 325
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2070
Flx_sqrspec_sqri_inflate 11522
Flx_sub 138730440
Flx_subspec 898955
Flx_to_Flv 66715550
Flx_to_FlxX 71643
Flx_to_ZX 38308113
Flx_to_ZX_inplace 36575824
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 4496176
Flx_valrem 27442206
Flxn_div 55178
Flxn_div_pre 55195
Flxn_exp 0
Flxn_expint 109403
Flxn_inv 1037
Flxn_mul 75849
Flxn_mul_pre 5168917
Flxn_mulhigh 516921
Flxn_recip 217370
Flxn_red 6340700
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 47314
Flxq_autpowers 1667
Flxq_autsum 0
Flxq_autsum_mul 112473
Flxq_autsum_pre 98769
Flxq_autsum_sqr 105111
Flxq_auttrace 0
Flxq_auttrace_mul 782989
Flxq_auttrace_pre 962875
Flxq_auttrace_sqr 655450
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2417764
Flxq_easylog 519400
Flxq_inv 335770
Flxq_inv_pre 4287613
Flxq_invsafe 670765
Flxq_invsafe_pre 5432613
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 170660
Flxq_minpoly 45993
Flxq_minpoly_pre 812405
Flxq_mul 13192527
Flxq_mul_pre 187818651
Flxq_norm 443323
Flxq_order 97328
Flxq_pow 948391
Flxq_pow_Frobenius 21760822
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 22824363
Flxq_pow_table 0
Flxq_pow_table_pre 4393
Flxq_powers 232067
Flxq_powers_pre 22457539
Flxq_powu 488425
Flxq_powu_pre 24368439
Flxq_sqr 2763147
Flxq_sqr_pre 277028169
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 4226998
Flxq_transmul_init 1752145
RgXV_to_FlxV 7
RgX_to_Flx 2250311
Rg_to_F2 1710430
Rg_to_Fl 73223911
Rg_to_Flxq 3598810
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3814611
ZXV_to_FlxV 0
ZX_to_Flx 171031823
Z_mod2BIL_Flx 293618
Z_mod2BIL_Flx_2 296548
Z_mod2BIL_Flx_3 0
Z_to_Flx 7561780
ZpX_invLaplace_init 497
_Fl2_mul 1984874
_Fl2_pow 689827
_Fl2_rand 118275
_Fl2_sqr 5073016
_Flx_add 0
_Flx_composedsum 3882
_Flx_divrem 0
_Flx_mul 11016787
_Flx_one 0
_Flx_pow 0
_Flx_sqr 0
_Flxq_add 389834
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 146606659
_Flxq_neg 366572
_Flxq_one 22456656
_Flxq_pow 21753413
_Flxq_powu 68
_Flxq_powu_i 23113068
_Flxq_rand 6566
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 269243932
bounded_order 395386
gener_Flxq 7201
get_Fl_threshold 2322640257
get_Flx_red 988165548
get_Flxq_field 68902
get_Flxq_star 283446
init_invlaplace 12514
int_to_Flx 12216
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 20879108
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 5660719
kron_unpack_Flx_bits_wide 5609630
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8410870
mkF2 7557520
monomial_Flx 944442
random_Flx 2652006
set_Flxq 68922
set_Flxq_pre 68946827
translate_basecase 42367
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6538148

Generated by: LCOV version 1.16