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 30551-f8501633d1) Lines: 2553 2914 87.6 %
Date: 2025-11-20 09:22:21 Functions: 304 359 84.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 463058
Fl2_inv_pre 202169
Fl2_mul_pre 2015439
Fl2_norm_pre 128188
Fl2_pow_pre 690803
Fl2_sqr_pre 5076524
Fl2_sqrt_pre 65765
Fl2_sqrtn_pre 78436
Fl_Flxq_log 35547
Fl_Xp1_powu 0
Fl_to_Flx 21213400
Flm_to_FlxV 2772
FlvV_polint_tree 2540692
Flv_Flm_polint 103491
Flv_inv 1744796
Flv_invVandermonde 153445
Flv_inv_i 1756808
Flv_inv_indir 51284
Flv_inv_inplace 12017
Flv_inv_pre 10048
Flv_inv_pre_indir 21425068
Flv_inv_pre_inplace 19702702
Flv_polint 1486583
Flv_prod 0
Flv_prod_pre 3304
Flv_producttree 1745991
Flv_roots_to_pol 795569
Flv_to_Flx 25514326
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 295130
FlxV_Flc_mul 34482
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxV_Flx_fromdigits 0
FlxV_composedsum 28963
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
FlxV_to_Flm 171883
FlxV_to_Flm_lg 12984271
FlxV_to_FlxX 397977
FlxV_to_ZXV 606904
FlxV_to_ZXV_inplace 3031469
Flx_Fl2_eval_pre 10773
Flx_Fl_add 10028329
Flx_Fl_mul 7327068
Flx_Fl_mul_pre 18296535
Flx_Fl_mul_to_monic 12029031
Flx_Fl_sub 151841
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1786292
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13183168
Flx_Flxq_eval 791713
Flx_Flxq_eval_pre 2448935
Flx_Frobenius 86486
Flx_Frobenius_pre 13816460
Flx_Laplace 27346
Flx_Newton 54091
Flx_add 64903750
Flx_addmulmul 416796
Flx_addshift 3728641
Flx_addspec 7257702
Flx_blocks 517108
Flx_blocks_Flm 12983614
Flx_composedprod 0
Flx_composedsum 27548
Flx_convol 0
Flx_deflate 421011
Flx_deriv 22987699
Flx_diff1 14448
Flx_digits 0
Flx_div_by_X_x 34759507
Flx_divrem 30454387
Flx_divrem_Barrett 604905
Flx_divrem_Barrettspec 905719
Flx_divrem_basecase 62317657
Flx_divrem_pre 79761078
Flx_double 2445177
Flx_equal 26931392
Flx_eval 20425636
Flx_eval2BILspec 579103
Flx_eval_powers_pre 48592470
Flx_eval_pre 136405017
Flx_extgcd 857261
Flx_extgcd_basecase 6289721
Flx_extgcd_halfgcd 146650
Flx_extgcd_pre 6289724
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109403
Flx_gcd 34258396
Flx_gcd_basecase 85206324
Flx_gcd_pre 86867377
Flx_get_red 14507234
Flx_get_red_pre 97344279
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1129554
Flx_halfgcd_all_pre 1129559
Flx_halfgcd_pre 875753
Flx_halfres_basecase 1136632
Flx_halfres_i 1156598
Flx_halfres_pre 1044
Flx_halfres_split 19964
Flx_halfres_update_pre 9405
Flx_halve 14047
Flx_inflate 160297
Flx_integ 0
Flx_integXn 422760
Flx_invBarrett 0
Flx_invBarrett_Newton 23161
Flx_invBarrett_basecase 134341
Flx_invBarrett_pre 158802
Flx_invLaplace 54375
Flx_is_l_pow 8115
Flx_is_smooth 74256
Flx_is_smooth_pre 118028
Flx_is_smooth_squarefree 126196
Flx_is_squarefree 9184227
Flx_lgrenormalizespec 2133943
Flx_matFrobenius 0
Flx_matFrobenius_pre 86568
Flx_mod_Xn1 31762
Flx_mod_Xnm1 5056767
Flx_mul 27828478
Flx_mul_pre 377225633
Flx_mulhigh_i 939012
Flx_mullimb 1187942538
Flx_mullimb_ok 3375416330
Flx_mulspec 382809282
Flx_mulspec_Kronecker 7294715
Flx_mulspec_basecase 345208381
Flx_mulspec_halfmulii 5484
Flx_mulspec_mulii 10139
Flx_mulspec_mulii_inflate 282096
Flx_mulspec_quartmulii 97165
Flx_neg 3264746
Flx_neg_inplace 1778757
Flx_negspec 3264737
Flx_normalize 63986996
Flx_powu 0
Flx_powu_pre 3932
Flx_recip 0
Flx_recipspec 7303061
Flx_red 1881588
Flx_rem 42232872
Flx_rem_basecase 801472701
Flx_rem_pre 926108757
Flx_renormalize 2153075123
Flx_rescale 1117
Flx_resultant 4735360
Flx_resultant_basecase_pre 14621817
Flx_resultant_pre 14623807
Flx_shift 27415345
Flx_shiftip 632626619
Flx_splitting 147437
Flx_sqr 354640
Flx_sqr_pre 279295094
Flx_sqrspec 279392367
Flx_sqrspec_Kronecker 691170
Flx_sqrspec_basecase 278673110
Flx_sqrspec_halfsqri 325
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2067
Flx_sqrspec_sqri_inflate 11522
Flx_sub 138703624
Flx_subspec 898245
Flx_to_Flv 66700386
Flx_to_FlxX 71629
Flx_to_ZX 38307122
Flx_to_ZX_inplace 36578716
Flx_to_int_halfspec 468821
Flx_to_int_quartspec 204549
Flx_translate1 17108
Flx_translate1_basecase 29202
Flx_triple 1049887
Flx_unscale 0
Flx_val 4491037
Flx_valrem 27450605
Flxn_div 55186
Flxn_div_pre 55204
Flxn_exp 0
Flxn_expint 109397
Flxn_inv 1037
Flxn_mul 75845
Flxn_mul_pre 5169006
Flxn_mulhigh 517048
Flxn_recip 217392
Flxn_red 6340474
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 20698
Flxq_autpow_pre 69456
Flxq_autpow_sqr 47324
Flxq_autpowers 1667
Flxq_autsum 0
Flxq_autsum_mul 112490
Flxq_autsum_pre 98774
Flxq_autsum_sqr 105124
Flxq_auttrace 0
Flxq_auttrace_mul 782821
Flxq_auttrace_pre 962494
Flxq_auttrace_sqr 655301
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2417764
Flxq_easylog 519390
Flxq_inv 335771
Flxq_inv_pre 4287579
Flxq_invsafe 670720
Flxq_invsafe_pre 5432475
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 45979
Flxq_minpoly_pre 812022
Flxq_mul 13192539
Flxq_mul_pre 189178130
Flxq_norm 443325
Flxq_order 97328
Flxq_pow 948348
Flxq_pow_Frobenius 22390145
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 23453663
Flxq_pow_table 0
Flxq_pow_table_pre 4393
Flxq_powers 232062
Flxq_powers_pre 22449283
Flxq_powu 488422
Flxq_powu_pre 24363459
Flxq_sqr 2763153
Flxq_sqr_pre 278282472
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 4225188
Flxq_transmul_init 1751470
RgXV_to_FlxV 7
RgX_to_Flx 2250320
Rg_to_F2 1710361
Rg_to_Fl 73223105
Rg_to_Flxq 3598593
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3813824
ZXV_to_FlxV 0
ZX_to_Flx 171044514
Z_mod2BIL_Flx 293618
Z_mod2BIL_Flx_2 296548
Z_mod2BIL_Flx_3 0
Z_to_Flx 7561576
ZpX_invLaplace_init 497
_Fl2_mul 1986410
_Fl2_pow 690790
_Fl2_rand 118318
_Fl2_sqr 5076488
_Flx_add 389834
_Flx_composedsum 3882
_Flx_divrem 0
_Flx_mul 10998540
_Flx_sqr 0
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 147937292
_Flxq_neg 366572
_Flxq_one 22448439
_Flxq_pow 22382733
_Flxq_powu 68
_Flxq_powu_i 23107709
_Flxq_rand 6576
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 270281029
bounded_order 395402
gener_Flxq 7201
get_Fl_threshold 2329438230
get_Flx_red 990166430
get_Flxq_field 68902
get_Flxq_star 283446
init_invlaplace 12514
int_to_Flx 12214
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 20873734
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 5658074
kron_unpack_Flx_bits_wide 5610466
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8407906
mkF2 7563888
monomial_Flx 944084
random_Flx 2651323
set_Flxq 68922
set_Flxq_pre 69565341
translate_basecase 42367
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6528244

Generated by: LCOV version 1.16