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
Fl_Xp1_powu 0
Flv_prod 0
FlxC_Fl_translate 0
FlxC_FlxqV_eval 0
FlxC_FlxqV_eval_pre 0
FlxC_Flxq_eval 0
FlxC_Flxq_eval_pre 0
FlxC_neg 0
FlxC_sub 0
FlxM_Fl_translate 0
FlxM_Flx_add_shallow 0
FlxM_max_degree 0
FlxM_max_degree_i 0
FlxM_mul 0
FlxM_neg 0
FlxM_sub 0
FlxM_to_FlxXV 0
FlxV_Flx_fromdigits 0
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_composedprod 0
Flx_convol 0
Flx_digits 0
Flx_halfgcd 0
Flx_integ 0
Flx_invBarrett 0
Flx_matFrobenius 0
Flx_powu 0
Flx_recip 0
Flx_unscale 0
Flxn_exp 0
Flxn_sqr 0
Flxn_sqr_pre 0
FlxqC_Flxq_mul 0
FlxqM_Flxq_mul 0
FlxqV_dotproduct 0
Flxq_autsum 0
Flxq_auttrace 0
Flxq_is2npower 0
Flxq_lroot 0
Flxq_lroot_fast 0
Flxq_pow_init 0
Flxq_pow_table 0
ZXV_to_FlxV 0
Z_mod2BIL_Flx_3 0
_Flx_divrem 0
_Flx_sqr 0
kron_pack_Flx_spec_3 0
kron_unpack_Flx_3 0
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
Flxq_autpow 7
RgXV_to_FlxV 7
matJ2_FlxM 13
Flxq_conjvec 20
Flxq_pow_init_pre 28
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
_Flxq_powu 68
Flx_halfgcd_all 154
Flx_sqrspec_halfsqri 325
Flxq_matrix_pow 399
ZpX_invLaplace_init 497
matid2_FlxM 911
Flxn_inv 1037
Flx_halfres_pre 1044
Flx_rescale 1117
Flxq_autpowers 1667
FlxqX_dotproduct 1918
Flx_sqrspec_sqri 2069
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxM_to_ZXM 2485
Flm_to_FlxV 2772
kron_unpack_Flx_2 2930
Flv_prod_pre 3304
kron_pack_Flx_spec_2 3389
Flxq_charpoly 3624
_Flx_composedsum 3910
Flx_powu_pre 3923
Flxq_pow_table_pre 4393
Flxq_trace 4696
Flx_FlxqV_eval 5082
Flx_mulspec_halfmulii 5484
_Flxq_rand 5578
_Flxq_s 6567
Flx_FlxM_qmul 6927
FlxM_mul2 7099
gener_Flxq 7201
Flx_is_l_pow 8109
Flx_halfres_update_pre 9405
_Flxq_inv 9460
Flv_inv_pre 10049
Flx_mulspec_mulii 10141
Flx_sqrspec_quartsqri 10218
Flx_Fl2_eval_pre 10773
Flx_sqrspec_sqri_inflate 11522
Flv_inv_inplace 12017
zl_Xp1_powu 12017
int_to_Flx 12216
init_invlaplace 12514
Flx_halve 14047
Flx_diff1 14448
Flx_translate1 17108
Flxq_sqrtn_spec_pre 19261
Flx_halfres_split 19964
Flxq_sqrtn 20456
Flxq_autpow_msqr 20696
FlxM_eval_powers_pre 22302
Flx_invBarrett_Newton 23159
ZM_unpack_FlxM 23421
Flxq_lroot_pre 25053
zlx_translate1 25259
FlxM_Flx_mul2 26000
Flx_Laplace 27377
Flx_composedsum 27579
FlxV_composedsum 28990
Flx_translate1_basecase 29202
Flx_mod_Xn1 31763
FlxV_Flc_mul 34482
Fl_Flxq_log 35536
Flxq_sqrtl_spec_pre 35705
Flxq_sumautsum_msqr 40558
translate_basecase 42367
kron_unpack_Flx 42785
Flxq_minpoly 44915
Flxq_autpow_sqr 46249
FlxM_pack_ZM 46835
Flv_inv_indir 51282
kron_pack_Flx_spec 53168
Flx_Newton 54161
Flx_invLaplace 54427
Flxn_div 55229
Flxn_div_pre 55253
ZM_unpack_FlxM_bits 58160
Fl2_sqrt_pre 65765
Flxq_autpow_pre 67488
get_Flxq_field 68902
set_Flxq 68922
_Flxq_equal0 69139
Flx_to_FlxX 71629
Flx_is_smooth 74256
Flxn_mul 75873
Fl2_sqrtn_pre 78378
FlxM_mul_Kronecker_i 81581
FlxqM_mul_Kronecker 81581
FlxqM_red_pre 81581
Flx_Frobenius 86486
Flx_matFrobenius_pre 86568
Flx_mulspec_quartmulii 97167
Flxq_order 97328
Flxq_autsum_pre 98768
Flv_Flm_polint 103476
FlxC_to_ZXC 104060
Flxq_autsum_sqr 105110
int_to_Flx_quart 107385
Flxn_expint 109409
Flx_fromNewton 109429
Flxq_autsum_mul 112472
FlxqV_dotproduct_pre 113589
Flxq_lroot_fast_pre 113589
FlxM_pack_ZM_bits 116239
Flx_is_smooth_pre 117766
_Fl2_rand 118217
Flx_is_smooth_squarefree 125949
Fl2_norm_pre 128154
Flx_invBarrett_basecase 134340
Flx_extgcd_halfgcd 146589
Flx_splitting 147379
Flx_Fl_sub 151841
Flv_invVandermonde 153445
Flx_invBarrett_pre 158799
Flx_inflate 160146
Flxq_log 164217
Flxq_matrix_pow_pre 170664
FlxV_to_Flm 171883
Fl2_inv_pre 201882
Flx_to_int_quartspec 204552
Flxq_sumautsum_pre 208704
Flxn_recip 217460
Flxq_sqrt 230484
Flxq_sqrt_pre 230484
Flxq_powers 232079
FlxqC_red_pre 234845
Flxq_div 237864
get_Flxq_star 280807
Flx_mulspec_mulii_inflate 282094
Flxq_sumautsum_sqr 292682
Z_mod2BIL_Flx 293616
FlxT_red 294571
Z_mod2BIL_Flx_2 296546
FlxC_eval_powers_pre 325155
Flxq_inv 335768
Flx_sqr 354631
_Flxq_neg 366572
_Flx_add 389834
bounded_order 394041
FlxV_to_FlxX 397977
Flxq_issquare 404492
Flx_addmulmul 416640
Flx_deflate 420989
Flx_integXn 422826
Flxq_norm 443329
Fl2_equal1 462296
Flx_to_int_halfspec 468821
Flxq_powu 488421
int_to_Flx_half 507268
Flxn_mulhigh 517076
Flx_blocks 517145
Flxq_easylog 519191
Flx_eval2BILspec 579099
Flx_divrem_Barrett 604772
FlxV_to_ZXV 606920
Flxq_auttrace_sqr 655306
Flxq_invsafe 670616
kron_pack_Flx_spec_half 688104
_Fl2_pow 689696
Fl2_pow_pre 689713
Flx_sqrspec_Kronecker 691153
Flxq_auttrace_mul 782816
Flx_Flxq_eval 790650
Flv_roots_to_pol 795701
Flxq_minpoly_pre 810947
Flx_extgcd 857247
Flx_halfgcd_pre 874510
Flx_subspec 898236
Flx_divrem_Barrettspec 905785
Flx_mulhigh_i 938890
monomial_Flx 942940
Flxq_pow 948381
Flxq_auttrace_pre 962489
Flx_triple 1049887
Flx_halfgcd_all_i 1127921
Flx_halfgcd_all_pre 1127923
Flx_halfres_basecase 1134999
Flx_halfres_i 1154965
_Flxq_rmul 1461838
Flv_polint 1486613
_Flxq_red 1550928
Rg_to_F2 1706922
Flv_inv 1744809
Flv_producttree 1746015
Flxq_transmul_init 1748991
Flv_inv_i 1756825
Flx_neg_inplace 1756920
Flx_Flv_multieval_tree 1786313
Flx_red 1881045
_Fl2_mul 1984164
Fl2_mul_pre 2013191
Flx_lgrenormalizespec 2133925
RgX_to_Flx 2250313
Flxq_div_pre 2417763
Flx_Flxq_eval_pre 2444607
Flx_double 2445177
FlvV_polint_tree 2540759
random_Flx 2647062
Flxq_sqr 2759491
FlxV_to_ZXV_inplace 3031389
Flx_negspec 3264546
Flx_neg 3264559
Rg_to_Flxq 3598640
Flx_addshift 3684967
ZXT_to_FlxT 3813668
Flxq_transmul 4218766
Flxq_inv_pre 4284223
Flx_val 4480214
Flx_resultant 4735168
Flx_mod_Xnm1 5057240
_Fl2_sqr 5070274
Fl2_sqr_pre 5070287
Flxn_mul_pre 5163976
Flxq_invsafe_pre 5428961
kron_unpack_Flx_bits_wide 5581230
kron_unpack_Flx_bits_narrow 5657606
Flx_extgcd_pre 6286183
Flx_extgcd_basecase 6286185
Flxn_red 6334711
zx_to_Flx 6514420
Flx_addspec 7170354
Flx_mulspec_Kronecker 7264764
Flx_recipspec 7295706
Flx_Fl_mul 7326379
mkF2 7555121
Z_to_Flx 7561553
maxbitcoeffpol 8378389
Flx_is_squarefree 9184153
Flx_Fl_add 10024708
_Flx_mul 11017116
Flx_Fl_mul_to_monic 12026391
Flx_blocks_Flm 12969024
FlxV_to_Flm_lg 12969848
Flx_FlxqV_eval_pre 13168636
Flxq_mul 13191069
Flx_Frobenius_pre 13809286
Flx_get_red 14500687
Flx_resultant_basecase_pre 14621264
Flx_resultant_pre 14623280
Flx_Fl_mul_pre 18288634
Flv_inv_pre_inplace 19663965
Flx_eval 20419507
kron_pack_Flx_spec_bits 20814314
Fl_to_Flx 21233478
Flv_inv_pre_indir 21383540
_Flxq_one 22432609
Flxq_powers_pre 22433978
Flx_deriv 22985980
_Flxq_powu_i 23097172
_Flxq_pow 23111085
Flxq_pow_Frobenius 23118492
Flxq_pow_pre 24175790
Flxq_powu_pre 24353188
Flv_to_Flx 25483225
Flx_shift 27396855
Flx_valrem 27464230
Flx_equal 27669879
Flx_mul 27819742
Flx_divrem 30448600
Flx_gcd 34274517
Flx_div_by_X_x 34769387
Flx_to_ZX_inplace 36574922
Flx_to_ZX 38306449
Flx_rem 42220971
Flx_eval_powers_pre 48481551
Flx_divrem_basecase 62288260
Flx_normalize 63989434
Flx_add 64877254
Flx_to_Flv 66638502
set_Flxq_pre 70260199
Rg_to_Fl 73224426
Flx_divrem_pre 79727052
Flx_gcd_basecase 85201333
Flx_gcd_pre 86868028
Flx_get_red_pre 98015582
Flx_eval_pre 136396221
Flx_sub 138665926
_Flxq_mul 149295271
ZX_to_Flx 171026034
Flxq_mul_pre 190505945
_Flxq_sqr 270843364
Flxq_sqr_pre 278835845
Flx_sqrspec_basecase 279176970
Flx_sqr_pre 279815875
Flx_sqrspec 279934384
Flx_mulspec_basecase 346641742
Flx_mul_pre 378636033
Flx_mulspec 384184487
Flx_shiftip 634498737
Flx_rem_basecase 803163438
Flx_rem_pre 927797894
get_Flx_red 991797861
Flx_mullimb 1184232653
Flx_renormalize 2156408586
get_Fl_threshold 2335071692
Flx_mullimb_ok 3403194714

Generated by: LCOV version 1.16