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 30536-6f6fcf9613) Lines: 2553 2914 87.6 %
Date: 2025-11-03 09:21:41 Functions: 304 359 84.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 462296
Fl2_inv_pre 201882
Fl2_mul_pre 2013191
Fl2_norm_pre 128154
Fl2_pow_pre 689713
Fl2_sqr_pre 5070287
Fl2_sqrt_pre 65765
Fl2_sqrtn_pre 78378
Fl_Flxq_log 35536
Fl_Xp1_powu 0
Fl_to_Flx 21233478
Flm_to_FlxV 2772
FlvV_polint_tree 2540759
Flv_Flm_polint 103476
Flv_inv 1744809
Flv_invVandermonde 153445
Flv_inv_i 1756825
Flv_inv_indir 51282
Flv_inv_inplace 12017
Flv_inv_pre 10049
Flv_inv_pre_indir 21383540
Flv_inv_pre_inplace 19663965
Flv_polint 1486613
Flv_prod 0
Flv_prod_pre 3304
Flv_producttree 1746015
Flv_roots_to_pol 795701
Flv_to_Flx 25483225
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 325155
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 294571
FlxV_Flc_mul 34482
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxV_Flx_fromdigits 0
FlxV_composedsum 28990
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
FlxV_to_Flm 171883
FlxV_to_Flm_lg 12969848
FlxV_to_FlxX 397977
FlxV_to_ZXV 606920
FlxV_to_ZXV_inplace 3031389
Flx_Fl2_eval_pre 10773
Flx_Fl_add 10024708
Flx_Fl_mul 7326379
Flx_Fl_mul_pre 18288634
Flx_Fl_mul_to_monic 12026391
Flx_Fl_sub 151841
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1786313
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13168636
Flx_Flxq_eval 790650
Flx_Flxq_eval_pre 2444607
Flx_Frobenius 86486
Flx_Frobenius_pre 13809286
Flx_Laplace 27377
Flx_Newton 54161
Flx_add 64877254
Flx_addmulmul 416640
Flx_addshift 3684967
Flx_addspec 7170354
Flx_blocks 517145
Flx_blocks_Flm 12969024
Flx_composedprod 0
Flx_composedsum 27579
Flx_convol 0
Flx_deflate 420989
Flx_deriv 22985980
Flx_diff1 14448
Flx_digits 0
Flx_div_by_X_x 34769387
Flx_divrem 30448600
Flx_divrem_Barrett 604772
Flx_divrem_Barrettspec 905785
Flx_divrem_basecase 62288260
Flx_divrem_pre 79727052
Flx_double 2445177
Flx_equal 27669879
Flx_eval 20419507
Flx_eval2BILspec 579099
Flx_eval_powers_pre 48481551
Flx_eval_pre 136396221
Flx_extgcd 857247
Flx_extgcd_basecase 6286185
Flx_extgcd_halfgcd 146589
Flx_extgcd_pre 6286183
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109429
Flx_gcd 34274517
Flx_gcd_basecase 85201333
Flx_gcd_pre 86868028
Flx_get_red 14500687
Flx_get_red_pre 98015582
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1127921
Flx_halfgcd_all_pre 1127923
Flx_halfgcd_pre 874510
Flx_halfres_basecase 1134999
Flx_halfres_i 1154965
Flx_halfres_pre 1044
Flx_halfres_split 19964
Flx_halfres_update_pre 9405
Flx_halve 14047
Flx_inflate 160146
Flx_integ 0
Flx_integXn 422826
Flx_invBarrett 0
Flx_invBarrett_Newton 23159
Flx_invBarrett_basecase 134340
Flx_invBarrett_pre 158799
Flx_invLaplace 54427
Flx_is_l_pow 8109
Flx_is_smooth 74256
Flx_is_smooth_pre 117766
Flx_is_smooth_squarefree 125949
Flx_is_squarefree 9184153
Flx_lgrenormalizespec 2133925
Flx_matFrobenius 0
Flx_matFrobenius_pre 86568
Flx_mod_Xn1 31763
Flx_mod_Xnm1 5057240
Flx_mul 27819742
Flx_mul_pre 378636033
Flx_mulhigh_i 938890
Flx_mullimb 1184232653
Flx_mullimb_ok 3403194714
Flx_mulspec 384184487
Flx_mulspec_Kronecker 7264764
Flx_mulspec_basecase 346641742
Flx_mulspec_halfmulii 5484
Flx_mulspec_mulii 10141
Flx_mulspec_mulii_inflate 282094
Flx_mulspec_quartmulii 97167
Flx_neg 3264559
Flx_neg_inplace 1756920
Flx_negspec 3264546
Flx_normalize 63989434
Flx_powu 0
Flx_powu_pre 3923
Flx_recip 0
Flx_recipspec 7295706
Flx_red 1881045
Flx_rem 42220971
Flx_rem_basecase 803163438
Flx_rem_pre 927797894
Flx_renormalize 2156408586
Flx_rescale 1117
Flx_resultant 4735168
Flx_resultant_basecase_pre 14621264
Flx_resultant_pre 14623280
Flx_shift 27396855
Flx_shiftip 634498737
Flx_splitting 147379
Flx_sqr 354631
Flx_sqr_pre 279815875
Flx_sqrspec 279934384
Flx_sqrspec_Kronecker 691153
Flx_sqrspec_basecase 279176970
Flx_sqrspec_halfsqri 325
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2069
Flx_sqrspec_sqri_inflate 11522
Flx_sub 138665926
Flx_subspec 898236
Flx_to_Flv 66638502
Flx_to_FlxX 71629
Flx_to_ZX 38306449
Flx_to_ZX_inplace 36574922
Flx_to_int_halfspec 468821
Flx_to_int_quartspec 204552
Flx_translate1 17108
Flx_translate1_basecase 29202
Flx_triple 1049887
Flx_unscale 0
Flx_val 4480214
Flx_valrem 27464230
Flxn_div 55229
Flxn_div_pre 55253
Flxn_exp 0
Flxn_expint 109409
Flxn_inv 1037
Flxn_mul 75873
Flxn_mul_pre 5163976
Flxn_mulhigh 517076
Flxn_recip 217460
Flxn_red 6334711
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 67488
Flxq_autpow_sqr 46249
Flxq_autpowers 1667
Flxq_autsum 0
Flxq_autsum_mul 112472
Flxq_autsum_pre 98768
Flxq_autsum_sqr 105110
Flxq_auttrace 0
Flxq_auttrace_mul 782816
Flxq_auttrace_pre 962489
Flxq_auttrace_sqr 655306
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2417763
Flxq_easylog 519191
Flxq_inv 335768
Flxq_inv_pre 4284223
Flxq_invsafe 670616
Flxq_invsafe_pre 5428961
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 170664
Flxq_minpoly 44915
Flxq_minpoly_pre 810947
Flxq_mul 13191069
Flxq_mul_pre 190505945
Flxq_norm 443329
Flxq_order 97328
Flxq_pow 948381
Flxq_pow_Frobenius 23118492
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 24175790
Flxq_pow_table 0
Flxq_pow_table_pre 4393
Flxq_powers 232079
Flxq_powers_pre 22433978
Flxq_powu 488421
Flxq_powu_pre 24353188
Flxq_sqr 2759491
Flxq_sqr_pre 278835845
Flxq_sqrt 230484
Flxq_sqrt_pre 230484
Flxq_sqrtl_spec_pre 35705
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 4218766
Flxq_transmul_init 1748991
RgXV_to_FlxV 7
RgX_to_Flx 2250313
Rg_to_F2 1706922
Rg_to_Fl 73224426
Rg_to_Flxq 3598640
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3813668
ZXV_to_FlxV 0
ZX_to_Flx 171026034
Z_mod2BIL_Flx 293616
Z_mod2BIL_Flx_2 296546
Z_mod2BIL_Flx_3 0
Z_to_Flx 7561553
ZpX_invLaplace_init 497
_Fl2_mul 1984164
_Fl2_pow 689696
_Fl2_rand 118217
_Fl2_sqr 5070274
_Flx_add 389834
_Flx_composedsum 3910
_Flx_divrem 0
_Flx_mul 11017116
_Flx_sqr 0
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 149295271
_Flxq_neg 366572
_Flxq_one 22432609
_Flxq_pow 23111085
_Flxq_powu 68
_Flxq_powu_i 23097172
_Flxq_rand 5578
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 270843364
bounded_order 394041
gener_Flxq 7201
get_Fl_threshold 2335071692
get_Flx_red 991797861
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 20814314
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 5657606
kron_unpack_Flx_bits_wide 5581230
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8378389
mkF2 7555121
monomial_Flx 942940
random_Flx 2647062
set_Flxq 68922
set_Flxq_pre 70260199
translate_basecase 42367
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6514420

Generated by: LCOV version 1.16