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 30387-12623f1693) Lines: 2553 2914 87.6 %
Date: 2025-07-10 09:22:50 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 1030
Flx_halfres_pre 1044
Flx_rescale 1117
Flxq_autpowers 1667
FlxqX_dotproduct 1918
Flx_sqrspec_sqri 2262
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
Flxq_pow_table_pre 4391
Flxq_trace 4696
Flx_FlxqV_eval 5082
Flx_mulspec_halfmulii 5478
_Flxq_rand 5578
_Flxq_s 6567
Flx_FlxM_qmul 6927
FlxM_mul2 7099
gener_Flxq 7201
Flx_powu_pre 7891
Flx_is_l_pow 8189
Flx_halfres_update_pre 9405
_Flxq_inv 9460
Flv_inv_pre 10035
Flx_mulspec_mulii 10139
Flx_sqrspec_quartsqri 10218
Flx_Fl2_eval_pre 10528
Flx_sqrspec_sqri_inflate 11498
Flv_inv_inplace 12017
zl_Xp1_powu 12017
int_to_Flx 12407
init_invlaplace 12514
Flx_diff1 13482
Flx_halve 14047
Flx_translate1 16142
Flxq_sqrtn_spec_pre 19262
Flx_halfres_split 19964
Flxq_sqrtn 20456
Flxq_autpow_msqr 20698
FlxM_eval_powers_pre 22302
ZM_unpack_FlxM 23421
Flx_invBarrett_Newton 23514
Flxq_lroot_pre 25053
zlx_translate1 25259
FlxM_Flx_mul2 25999
Flx_Laplace 27368
Flx_composedsum 27576
Flx_translate1_basecase 28236
FlxV_composedsum 28992
Flx_mod_Xn1 31764
FlxV_Flc_mul 34482
Fl_Flxq_log 35538
Flxq_sqrtl_spec_pre 35707
Flxq_sumautsum_msqr 40558
translate_basecase 41401
kron_unpack_Flx 42785
Flxq_minpoly 44915
Flxq_autpow_sqr 46257
FlxM_pack_ZM 46835
Flv_inv_indir 51386
kron_pack_Flx_spec 53168
Flx_Newton 54145
Flx_invLaplace 54426
Flxn_div 55217
Flxn_div_pre 55228
ZM_unpack_FlxM_bits 58160
Fl2_sqrt_pre 65765
Flxq_autpow_pre 67493
get_Flxq_field 68902
set_Flxq 68922
_Flxq_equal0 69139
Flx_to_FlxX 71629
Flx_is_smooth 74256
Flxn_mul 75876
Fl2_sqrtn_pre 78671
FlxM_mul_Kronecker_i 81581
FlxqM_mul_Kronecker 81581
FlxqM_red_pre 81581
Flx_Frobenius 86486
Flx_matFrobenius_pre 86570
Flx_mulspec_quartmulii 97164
Flxq_order 97328
Flxq_autsum_pre 98769
Flv_Flm_polint 103575
FlxC_to_ZXC 104060
Flxq_autsum_sqr 105111
int_to_Flx_quart 107385
Flxn_expint 109425
Flx_fromNewton 109435
Flxq_autsum_mul 112473
FlxqV_dotproduct_pre 113589
Flxq_lroot_fast_pre 113589
FlxM_pack_ZM_bits 116239
_Fl2_rand 118679
Flx_is_smooth_pre 119069
Fl2_norm_pre 127077
Flx_is_smooth_squarefree 127290
Flx_invBarrett_basecase 134447
Flx_extgcd_halfgcd 146587
Flx_splitting 147498
Flx_Fl_sub 151841
Flv_invVandermonde 153445
Flx_invBarrett_pre 159263
Flx_inflate 160943
Flxq_log 164217
Flxq_matrix_pow_pre 170670
FlxV_to_Flm 171890
Fl2_inv_pre 202340
Flx_to_int_quartspec 204546
Flxq_sumautsum_pre 208704
Flxn_recip 217489
Flxq_sqrt 230484
Flxq_sqrt_pre 230484
Flxq_powers 232049
FlxqC_red_pre 234845
Flxq_div 237864
get_Flxq_star 280807
Flx_mulspec_mulii_inflate 284158
Flxq_sumautsum_sqr 292682
FlxT_red 295633
Z_mod2BIL_Flx 295656
Z_mod2BIL_Flx_2 298586
FlxC_eval_powers_pre 325157
Flxq_inv 335766
Flx_sqr 354653
_Flxq_neg 366572
_Flx_add 389834
bounded_order 394043
FlxV_to_FlxX 397977
Flxq_issquare 404492
Flx_addmulmul 416636
Flx_deflate 420972
Flx_integXn 422857
Flxq_norm 443336
Fl2_equal1 463624
Flx_to_int_halfspec 468809
Flxq_powu 488418
int_to_Flx_half 507262
Flxn_mulhigh 517231
Flx_blocks 517273
Flxq_easylog 519225
Flx_eval2BILspec 583203
Flx_divrem_Barrett 605268
FlxV_to_ZXV 606869
Flxq_auttrace_sqr 655301
Flxq_invsafe 670632
kron_pack_Flx_spec_half 688104
Flx_sqrspec_Kronecker 690274
_Fl2_pow 691661
Fl2_pow_pre 691675
Flxq_auttrace_mul 782819
Flx_Flxq_eval 790611
Flv_roots_to_pol 797601
Flxq_minpoly_pre 810650
Flx_extgcd 857188
Flx_halfgcd_pre 874226
Flx_subspec 898967
Flx_divrem_Barrettspec 906493
Flxq_pow 932623
Flx_mulhigh_i 939178
monomial_Flx 942650
Flxq_auttrace_pre 962206
Flx_triple 1049887
Flx_halfgcd_all_i 1128080
Flx_halfgcd_all_pre 1128080
Flx_halfres_basecase 1135158
Flx_halfres_i 1155124
_Flxq_rmul 1461838
Flv_polint 1486724
_Flxq_red 1550928
Rg_to_F2 1706841
Flv_inv 1745008
Flv_producttree 1746214
Flxq_transmul_init 1748431
Flv_inv_i 1757024
Flx_neg_inplace 1758072
Flx_Flv_multieval_tree 1786518
Flx_red 1881987
_Fl2_mul 1994519
Fl2_mul_pre 2022966
Flx_lgrenormalizespec 2144035
RgX_to_Flx 2250310
Flxq_div_pre 2417764
Flx_Flxq_eval_pre 2444087
Flx_double 2445177
FlvV_polint_tree 2542607
random_Flx 2646523
Flxq_sqr 2759494
FlxV_to_ZXV_inplace 3028133
Flx_negspec 3264948
Flx_neg 3264950
Rg_to_Flxq 3598614
Flx_addshift 3686961
ZXT_to_FlxT 3798199
Flxq_transmul 4217603
Flxq_inv_pre 4284273
Flx_val 4466618
Flx_resultant 4734416
_Fl2_sqr 5102421
Fl2_sqr_pre 5102446
Flxn_mul_pre 5164140
Flx_mod_Xnm1 5177352
Flxq_invsafe_pre 5429018
kron_unpack_Flx_bits_wide 5594118
kron_unpack_Flx_bits_narrow 5657327
Flx_extgcd_pre 6286208
Flx_extgcd_basecase 6286209
Flxn_red 6335854
zx_to_Flx 6485393
Flx_addspec 7174497
Flx_mulspec_Kronecker 7278388
Flx_recipspec 7295914
Flx_Fl_mul 7327121
Z_to_Flx 7561714
mkF2 7597472
maxbitcoeffpol 8393201
Flx_is_squarefree 9183540
Flx_Fl_add 10146382
_Flx_mul 11026213
Flx_Fl_mul_to_monic 12140585
Flx_blocks_Flm 12969065
FlxV_to_Flm_lg 12969554
Flx_FlxqV_eval_pre 13168383
Flxq_mul 13191064
Flx_Frobenius_pre 13805219
Flx_get_red 14492814
Flx_resultant_basecase_pre 14660945
Flx_resultant_pre 14662846
Flx_Fl_mul_pre 18291955
Flv_inv_pre_inplace 19693077
Flx_eval 20414085
kron_pack_Flx_spec_bits 20840326
Fl_to_Flx 21225451
Flv_inv_pre_indir 21412523
_Flxq_pow 22133610
Flxq_pow_Frobenius 22141021
Flxq_powers_pre 22424416
_Flxq_one 22424654
Flx_deriv 22980780
Flxq_pow_pre 23182500
_Flxq_powu_i 23223344
Flxq_powu_pre 24478999
Flv_to_Flx 25484421
Flx_equal 26641665
Flx_shift 27390635
Flx_valrem 27568645
Flx_mul 27826311
Flx_divrem 30448640
Flx_gcd 34070146
Flx_div_by_X_x 34688749
Flx_to_ZX_inplace 36559422
Flx_to_ZX 38285031
Flx_rem 42216165
Flx_eval_powers_pre 49443306
Flx_divrem_basecase 62280446
Flx_normalize 64184060
Flx_add 64908585
Flx_to_Flv 66630729
set_Flxq_pre 69386177
Rg_to_Fl 73221897
Flx_divrem_pre 79722554
Flx_gcd_basecase 85122937
Flx_gcd_pre 86783919
Flx_get_red_pre 97132776
Flx_sub 138670391
Flx_eval_pre 138776324
_Flxq_mul 148093674
ZX_to_Flx 170943881
Flxq_mul_pre 189304831
_Flxq_sqr 271930334
Flxq_sqr_pre 279938095
Flx_sqrspec_basecase 280333759
Flx_sqr_pre 280939567
Flx_sqrspec 281083657
Flx_mulspec_basecase 345508737
Flx_mul_pre 377522550
Flx_mulspec 383080234
Flx_shiftip 634589225
Flx_rem_basecase 803146764
Flx_rem_pre 927903299
get_Flx_red 991895337
Flx_mullimb 1188418878
Flx_renormalize 2155733423
get_Fl_threshold 2334589690
Flx_mullimb_ok 3374270940

Generated by: LCOV version 1.16