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 30480-572da319a6) Lines: 2553 2914 87.6 %
Date: 2025-08-27 09:24:05 Functions: 304 359 84.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 462996
Fl2_inv_pre 202134
Fl2_mul_pre 2013714
Fl2_norm_pre 128047
Fl2_pow_pre 690688
Fl2_sqr_pre 5072710
Fl2_sqrt_pre 65765
Fl2_sqrtn_pre 78396
Fl_Flxq_log 35548
Fl_Xp1_powu 0
Fl_to_Flx 21226855
Flm_to_FlxV 2772
FlvV_polint_tree 2540816
Flv_Flm_polint 103477
Flv_inv 1744818
Flv_invVandermonde 153445
Flv_inv_i 1756830
Flv_inv_indir 51281
Flv_inv_inplace 12017
Flv_inv_pre 10048
Flv_inv_pre_indir 21341178
Flv_inv_pre_inplace 19598502
Flv_polint 1486616
Flv_prod 0
Flv_prod_pre 3304
Flv_producttree 1746016
Flv_roots_to_pol 795667
Flv_to_Flx 25485685
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 325159
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 297198
FlxV_Flc_mul 34482
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxV_Flx_fromdigits 0
FlxV_composedsum 28995
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
FlxV_to_Flm 171880
FlxV_to_Flm_lg 12970055
FlxV_to_FlxX 397977
FlxV_to_ZXV 606891
FlxV_to_ZXV_inplace 3028963
Flx_Fl2_eval_pre 10528
Flx_Fl_add 10027302
Flx_Fl_mul 7327554
Flx_Fl_mul_pre 18291572
Flx_Fl_mul_to_monic 12027563
Flx_Fl_sub 151842
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1786323
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13168625
Flx_Flxq_eval 790639
Flx_Flxq_eval_pre 2444583
Flx_Frobenius 86483
Flx_Frobenius_pre 13811787
Flx_Laplace 27369
Flx_Newton 54153
Flx_add 64864473
Flx_addmulmul 416642
Flx_addshift 3684967
Flx_addspec 7170354
Flx_blocks 517145
Flx_blocks_Flm 12969280
Flx_composedprod 0
Flx_composedsum 27579
Flx_convol 0
Flx_deflate 420968
Flx_deriv 22986875
Flx_diff1 13482
Flx_digits 0
Flx_div_by_X_x 34778583
Flx_divrem 30452079
Flx_divrem_Barrett 605477
Flx_divrem_Barrettspec 906496
Flx_divrem_basecase 62299838
Flx_divrem_pre 79742406
Flx_double 2445177
Flx_equal 26024761
Flx_eval 20392987
Flx_eval2BILspec 579103
Flx_eval_powers_pre 48588944
Flx_eval_pre 136344386
Flx_extgcd 857249
Flx_extgcd_basecase 6286299
Flx_extgcd_halfgcd 146589
Flx_extgcd_pre 6286276
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109422
Flx_gcd 34264737
Flx_gcd_basecase 85208003
Flx_gcd_pre 86868700
Flx_get_red 14500997
Flx_get_red_pre 96380945
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1128419
Flx_halfgcd_all_pre 1128423
Flx_halfgcd_pre 874491
Flx_halfres_basecase 1135493
Flx_halfres_i 1155463
Flx_halfres_pre 1044
Flx_halfres_split 19963
Flx_halfres_update_pre 9405
Flx_halve 14047
Flx_inflate 160737
Flx_integ 0
Flx_integXn 422841
Flx_invBarrett 0
Flx_invBarrett_Newton 23159
Flx_invBarrett_basecase 134340
Flx_invBarrett_pre 158799
Flx_invLaplace 54410
Flx_is_l_pow 8137
Flx_is_smooth 74256
Flx_is_smooth_pre 118593
Flx_is_smooth_squarefree 126703
Flx_is_squarefree 9184004
Flx_lgrenormalizespec 2135196
Flx_matFrobenius 0
Flx_matFrobenius_pre 86565
Flx_mod_Xn1 31762
Flx_mod_Xnm1 5056976
Flx_mul 27830068
Flx_mul_pre 375189822
Flx_mulhigh_i 938900
Flx_mullimb 1186022047
Flx_mullimb_ok 3344384119
Flx_mulspec 380754265
Flx_mulspec_Kronecker 7266521
Flx_mulspec_basecase 343341324
Flx_mulspec_halfmulii 5484
Flx_mulspec_mulii 10142
Flx_mulspec_mulii_inflate 282096
Flx_mulspec_quartmulii 97167
Flx_neg 3265238
Flx_neg_inplace 1756920
Flx_negspec 3265230
Flx_normalize 64015029
Flx_powu 0
Flx_powu_pre 3963
Flx_recip 0
Flx_recipspec 7296852
Flx_red 1883409
Flx_rem 42208274
Flx_rem_basecase 798289292
Flx_rem_pre 922828451
Flx_renormalize 2147611836
Flx_rescale 1117
Flx_resultant 4734251
Flx_resultant_basecase_pre 14620911
Flx_resultant_pre 14622875
Flx_shift 27395262
Flx_shiftip 629631470
Flx_splitting 147661
Flx_sqr 354681
Flx_sqr_pre 277437462
Flx_sqrspec 277720664
Flx_sqrspec_Kronecker 691209
Flx_sqrspec_basecase 277928127
Flx_sqrspec_halfsqri 325
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2070
Flx_sqrspec_sqri_inflate 11522
Flx_sub 138685958
Flx_subspec 898848
Flx_to_Flv 66635161
Flx_to_FlxX 71629
Flx_to_ZX 38304623
Flx_to_ZX_inplace 36575257
Flx_to_int_halfspec 468821
Flx_to_int_quartspec 204552
Flx_translate1 16142
Flx_translate1_basecase 28236
Flx_triple 1049887
Flx_unscale 0
Flx_val 4490523
Flx_valrem 27472575
Flxn_div 55199
Flxn_div_pre 55239
Flxn_exp 0
Flxn_expint 109420
Flxn_inv 1037
Flxn_mul 75865
Flxn_mul_pre 5163863
Flxn_mulhigh 517046
Flxn_recip 217437
Flxn_red 6335313
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 20697
Flxq_autpow_pre 67490
Flxq_autpow_sqr 46252
Flxq_autpowers 1667
Flxq_autsum 0
Flxq_autsum_mul 112478
Flxq_autsum_pre 98770
Flxq_autsum_sqr 105115
Flxq_auttrace 0
Flxq_auttrace_mul 782810
Flxq_auttrace_pre 962492
Flxq_auttrace_sqr 655299
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2417763
Flxq_easylog 519221
Flxq_inv 335773
Flxq_inv_pre 4284258
Flxq_invsafe 670652
Flxq_invsafe_pre 5429040
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 170666
Flxq_minpoly 44915
Flxq_minpoly_pre 810909
Flxq_mul 13191090
Flxq_mul_pre 187121261
Flxq_norm 443328
Flxq_order 97328
Flxq_pow 948364
Flxq_pow_Frobenius 21462406
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 22519664
Flxq_pow_table 0
Flxq_pow_table_pre 4393
Flxq_powers 232071
Flxq_powers_pre 22436701
Flxq_powu 488428
Flxq_powu_pre 24360318
Flxq_sqr 2759493
Flxq_sqr_pre 276460659
Flxq_sqrt 230484
Flxq_sqrt_pre 230484
Flxq_sqrtl_spec_pre 35707
Flxq_sqrtn 20456
Flxq_sqrtn_spec_pre 19261
Flxq_sumautsum_msqr 40558
Flxq_sumautsum_pre 208704
Flxq_sumautsum_sqr 292682
Flxq_trace 4696
Flxq_transmul 4218647
Flxq_transmul_init 1748945
RgXV_to_FlxV 7
RgX_to_Flx 2250316
Rg_to_F2 1706960
Rg_to_Fl 73223974
Rg_to_Flxq 3598636
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3814451
ZXV_to_FlxV 0
ZX_to_Flx 171040044
Z_mod2BIL_Flx 293618
Z_mod2BIL_Flx_2 296548
Z_mod2BIL_Flx_3 0
Z_to_Flx 7561567
ZpX_invLaplace_init 497
_Fl2_mul 1985267
_Fl2_pow 690682
_Fl2_rand 118243
_Fl2_sqr 5072712
_Flx_add 389834
_Flx_composedsum 3910
_Flx_divrem 0
_Flx_mul 11011526
_Flx_sqr 0
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 145943607
_Flxq_neg 366572
_Flxq_one 22438175
_Flxq_pow 21454995
_Flxq_powu 68
_Flxq_powu_i 23104435
_Flxq_rand 5579
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 268594631
bounded_order 394047
gener_Flxq 7201
get_Fl_threshold 2317739956
get_Flx_red 986844984
get_Flxq_field 68902
get_Flxq_star 280807
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 20817502
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 5659908
kron_unpack_Flx_bits_wide 5579360
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8379941
mkF2 7556914
monomial_Flx 942913
random_Flx 2647064
set_Flxq 68922
set_Flxq_pre 68620835
translate_basecase 41401
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6536174

Generated by: LCOV version 1.16