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 30540-a74e376001) Lines: 2553 2914 87.6 %
Date: 2025-11-08 09:22:52 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 2070
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 3946
Flxq_pow_table_pre 4393
Flxq_trace 4696
Flx_FlxqV_eval 5082
Flx_mulspec_halfmulii 5484
_Flxq_rand 5563
_Flxq_s 6567
Flx_FlxM_qmul 6927
FlxM_mul2 7099
gener_Flxq 7201
Flx_is_l_pow 8205
Flx_halfres_update_pre 9405
_Flxq_inv 9460
Flv_inv_pre 10048
Flx_mulspec_mulii 10144
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 12215
init_invlaplace 12514
Flx_halve 14047
Flx_diff1 14448
Flx_translate1 17108
Flxq_sqrtn_spec_pre 19262
Flx_halfres_split 19964
Flxq_sqrtn 20456
Flxq_autpow_msqr 20696
FlxM_eval_powers_pre 22302
Flx_invBarrett_Newton 23161
ZM_unpack_FlxM 23421
Flxq_lroot_pre 25053
zlx_translate1 25259
FlxM_Flx_mul2 26000
Flx_Laplace 27366
Flx_composedsum 27576
FlxV_composedsum 28993
Flx_translate1_basecase 29202
Flx_mod_Xn1 31765
FlxV_Flc_mul 34482
Fl_Flxq_log 35549
Flxq_sqrtl_spec_pre 35707
Flxq_sumautsum_msqr 40558
translate_basecase 42367
kron_unpack_Flx 42785
Flxq_minpoly 44915
Flxq_autpow_sqr 46251
FlxM_pack_ZM 46835
Flv_inv_indir 51281
kron_pack_Flx_spec 53168
Flx_Newton 54147
Flx_invLaplace 54420
Flxn_div 55208
Flxn_div_pre 55217
ZM_unpack_FlxM_bits 58160
Fl2_sqrt_pre 65765
Flxq_autpow_pre 67492
get_Flxq_field 68902
set_Flxq 68922
_Flxq_equal0 69139
Flx_to_FlxX 71629
Flx_is_smooth 74256
Flxn_mul 75865
Fl2_sqrtn_pre 78355
FlxM_mul_Kronecker_i 81581
FlxqM_mul_Kronecker 81581
FlxqM_red_pre 81581
Flx_Frobenius 86485
Flx_matFrobenius_pre 86566
Flx_mulspec_quartmulii 97166
Flxq_order 97328
Flxq_autsum_pre 98770
Flv_Flm_polint 103479
FlxC_to_ZXC 104060
Flxq_autsum_sqr 105116
int_to_Flx_quart 107384
Flxn_expint 109426
Flx_fromNewton 109429
Flxq_autsum_mul 112480
FlxqV_dotproduct_pre 113589
Flxq_lroot_fast_pre 113589
FlxM_pack_ZM_bits 116239
_Fl2_rand 118112
Flx_is_smooth_pre 118943
Flx_is_smooth_squarefree 127163
Fl2_norm_pre 128153
Flx_invBarrett_basecase 134338
Flx_extgcd_halfgcd 146585
Flx_splitting 147546
Flx_Fl_sub 151843
Flv_invVandermonde 153445
Flx_invBarrett_pre 158800
Flx_inflate 160576
Flxq_log 164217
Flxq_matrix_pow_pre 170668
FlxV_to_Flm 171889
Fl2_inv_pre 201950
Flx_to_int_quartspec 204550
Flxq_sumautsum_pre 208704
Flxn_recip 217438
Flxq_sqrt 230484
Flxq_sqrt_pre 230484
Flxq_powers 232073
FlxqC_red_pre 234845
Flxq_div 237864
get_Flxq_star 280807
Flx_mulspec_mulii_inflate 282085
Flxq_sumautsum_sqr 292682
Z_mod2BIL_Flx 293607
FlxT_red 296215
Z_mod2BIL_Flx_2 296537
FlxC_eval_powers_pre 325150
Flxq_inv 335769
Flx_sqr 354657
_Flxq_neg 366572
_Flx_add 389834
bounded_order 394025
FlxV_to_FlxX 397977
Flxq_issquare 404492
Flx_addmulmul 416636
Flx_deflate 421004
Flx_integXn 422821
Flxq_norm 443321
Fl2_equal1 462177
Flx_to_int_halfspec 468821
Flxq_powu 488422
int_to_Flx_half 507268
Flxn_mulhigh 516969
Flx_blocks 517029
Flxq_easylog 519215
Flx_eval2BILspec 579081
Flx_divrem_Barrett 605186
FlxV_to_ZXV 606915
Flxq_auttrace_sqr 655283
Flxq_invsafe 670639
kron_pack_Flx_spec_half 688104
_Fl2_pow 689596
Fl2_pow_pre 689605
Flx_sqrspec_Kronecker 691211
Flxq_auttrace_mul 782802
Flx_Flxq_eval 790625
Flv_roots_to_pol 795681
Flxq_minpoly_pre 810888
Flx_extgcd 857239
Flx_halfgcd_pre 874444
Flx_subspec 898421
Flx_divrem_Barrettspec 905864
Flx_mulhigh_i 938914
monomial_Flx 942871
Flxq_pow 948332
Flxq_auttrace_pre 962419
Flx_triple 1049887
Flx_halfgcd_all_i 1128487
Flx_halfgcd_all_pre 1128492
Flx_halfres_basecase 1135566
Flx_halfres_i 1155531
_Flxq_rmul 1461838
Flv_polint 1486583
_Flxq_red 1550928
Rg_to_F2 1710387
Flv_inv 1744783
Flv_producttree 1745994
Flxq_transmul_init 1748860
Flv_inv_i 1756794
Flx_neg_inplace 1756920
Flx_Flv_multieval_tree 1786287
Flx_red 1882538
_Fl2_mul 1983103
Fl2_mul_pre 2012142
Flx_lgrenormalizespec 2134273
RgX_to_Flx 2250315
Flxq_div_pre 2417764
Flx_Flxq_eval_pre 2444584
Flx_double 2445177
FlvV_polint_tree 2540791
random_Flx 2646919
Flxq_sqr 2759495
FlxV_to_ZXV_inplace 3031345
Flx_negspec 3265019
Flx_neg 3265027
Rg_to_Flxq 3598627
Flx_addshift 3684967
ZXT_to_FlxT 3814117
Flxq_transmul 4218475
Flxq_inv_pre 4284247
Flx_val 4484732
Flx_resultant 4735299
Flx_mod_Xnm1 5056706
_Fl2_sqr 5068042
Fl2_sqr_pre 5068064
Flxn_mul_pre 5164173
Flxq_invsafe_pre 5429015
kron_unpack_Flx_bits_wide 5581187
kron_unpack_Flx_bits_narrow 5658985
Flx_extgcd_basecase 6286237
Flx_extgcd_pre 6286245
Flxn_red 6334961
zx_to_Flx 6522305
Flx_addspec 7170354
Flx_mulspec_Kronecker 7266268
Flx_recipspec 7295540
Flx_Fl_mul 7326452
mkF2 7551620
Z_to_Flx 7561481
maxbitcoeffpol 8379770
Flx_is_squarefree 9184049
Flx_Fl_add 10024168
_Flx_mul 11012095
Flx_Fl_mul_to_monic 12027067
Flx_blocks_Flm 12969428
FlxV_to_Flm_lg 12970192
Flx_FlxqV_eval_pre 13168960
Flxq_mul 13191106
Flx_Frobenius_pre 13811340
Flx_get_red 14502058
Flx_resultant_basecase_pre 14621685
Flx_resultant_pre 14623732
Flx_Fl_mul_pre 18290987
Flv_inv_pre_inplace 19676315
Flx_eval 20405988
kron_pack_Flx_spec_bits 20817250
Fl_to_Flx 21227289
Flv_inv_pre_indir 21394783
_Flxq_pow 22365236
Flxq_pow_Frobenius 22372646
_Flxq_one 22436819
Flxq_powers_pre 22437562
Flx_deriv 22988400
_Flxq_powu_i 23103995
Flxq_pow_pre 23429889
Flxq_powu_pre 24359609
Flv_to_Flx 25485535
Flx_equal 26923111
Flx_shift 27396868
Flx_valrem 27455029
Flx_mul 27831612
Flx_divrem 30453153
Flx_gcd 34267356
Flx_div_by_X_x 34758856
Flx_to_ZX_inplace 36578288
Flx_to_ZX 38306945
Flx_rem 42218644
Flx_eval_powers_pre 48532857
Flx_divrem_basecase 62301694
Flx_normalize 63988429
Flx_add 64863896
Flx_to_Flv 66639735
set_Flxq_pre 69527302
Rg_to_Fl 73223431
Flx_divrem_pre 79744186
Flx_gcd_basecase 85213956
Flx_gcd_pre 86879555
Flx_get_red_pre 97285993
Flx_eval_pre 136382281
Flx_sub 138688050
_Flxq_mul 147787328
ZX_to_Flx 171038818
Flxq_mul_pre 189001565
_Flxq_sqr 269891352
Flxq_sqr_pre 277898152
Flx_sqrspec_basecase 278297111
Flx_sqr_pre 278909932
Flx_sqrspec 279008494
Flx_mulspec_basecase 345089109
Flx_mul_pre 377095008
Flx_mulspec 382640179
Flx_shiftip 632149651
Flx_rem_basecase 800972260
Flx_rem_pre 925604714
get_Flx_red 989659254
Flx_mullimb 1183200102
Flx_renormalize 2151945206
get_Fl_threshold 2327886254
Flx_mullimb_ok 3380918100

Generated by: LCOV version 1.16