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 - ZV.c (source / functions) Hit Total Coverage
Test: PARI/GP v2.18.1 lcov report (development 30536-6f6fcf9613) Lines: 839 988 84.9 %
Date: 2025-11-06 09:21:54 Functions: 131 149 87.9 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Flc_lincomb1_inplace 29901026
QM_QC_mul 126986
QM_mul 558714
QM_sqr 700
RgM_check_ZM 598288
RgM_issquare 42
RgV_check_ZV 1501243
ZC_Q_mul 2758005
ZC_ZV_mul 0
ZC_Z_add 366841
ZC_Z_div 3676687
ZC_Z_divexact 5780910
ZC_Z_mul 36156984
ZC_Z_sub 0
ZC_add 27083095
ZC_add_i 37113337
ZC_copy 18145162
ZC_divexactu 2261
ZC_hnfdivrem 10690233
ZC_hnfdivrem_i 11317106
ZC_is_ei 174398
ZC_lincomb 34784804
ZC_lincomb1 16020013
ZC_lincomb1_inplace 64119269
ZC_lincomb1_inplace_i 75174887
ZC_lincomb_1 757507
ZC_modhnf 280
ZC_neg 6355454
ZC_reducemodlll 97983
ZC_reducemodmatrix 112289
ZC_reducemodmatrix_i 112289
ZC_sub 9092618
ZC_sub_i 9425070
ZC_z_mul 64279
ZMV_to_zmV 49
ZM_Q_mul 1140791
ZM_ZC_mul 25786025
ZM_ZC_mul_i 77606019
ZM_ZV_divrem 0
ZM_Z_div 19308
ZM_Z_divexact 530441
ZM_Z_mul 3381159
ZM_add 844599
ZM_copy 667215
ZM_det_triangular 4146309
ZM_diag_mul 578899
ZM_divexactu 441
ZM_equal 3499120
ZM_equal0 32292
ZM_hnfdivrem 491900
ZM_hnfdivrem_i 491915
ZM_isdiagonal 625705
ZM_ishnf 826771
ZM_isidentity 658055
ZM_isscalar 160949
ZM_max_expi 0
ZM_max_expi_i 0
ZM_max_lg 22781
ZM_max_lg_i 27704201
ZM_modhnf 14
ZM_mul 20955052
ZM_mul_classical 13775946
ZM_mul_diag 21
ZM_mul_fast 839
ZM_mul_i 21352255
ZM_mul_slice 1105
ZM_mul_sw 76382
ZM_mul_worker 1105
ZM_multosym 0
ZM_nc_mul_i 0
ZM_neg 1732858
ZM_nm_mul 0
ZM_pow 0
ZM_powu 23631
ZM_reducemodlll 0
ZM_reducemodmatrix 239849
ZM_reducemodmatrix_i 239849
ZM_sqr 25234
ZM_sqr_fast 0
ZM_sqr_i 25235
ZM_sqr_slice 0
ZM_sqr_worker 0
ZM_sub 156823
ZM_supnorm 4260
ZM_to_zm 1022
ZM_togglesign 0
ZM_transmul 2289
ZM_transmultosym 532221
ZM_zc_mul 17385120
ZM_zc_mul_i 19453676
ZM_zm_mul 976831
ZMrow_ZC_mul 135938268
ZMrow_ZC_mul_i 597718356
ZMrow_equal0 16231
ZRED 1170382
ZV_ZM_mul 231238
ZV_ZV_divrem 7
ZV_abscmp 19747
ZV_cmp 3252492
ZV_content 300489
ZV_dotproduct 16638043
ZV_dotproduct_i 19470219
ZV_dotsquare 6857364
ZV_equal 293279
ZV_equal0 14713415
ZV_equal_lg 6517182
ZV_max_expi 0
ZV_max_expi_i 0
ZV_max_lg 10640
ZV_max_lg_i 111610063
ZV_neg_inplace 391066
ZV_prod 8855903
ZV_sum 77
ZV_to_nv 496657
ZV_togglesign 5132634
ZV_zc_mul 2229556
Z_ZC_sub 584546
ZincrementalGS 1279077
Zupdate_row 402316
_ZM_mul 280
_ZM_sqr 24156
_mulii 319217678
add_slices 611056
check_ZV 1937451
matmodhnf 49
matmodhnf_check 98
nm_Z_mul 0
subtract_slices 534674
sw_bound 13852293
vecsmall_prod 14694393
zmV_to_ZMV 126
zm_to_Flm 22694
zm_to_ZM 157936
zvV_equal 1638
zv_ZM_mul 2408
zv_abs 77
zv_canon_inplace 22921521
zv_content 18616304
zv_dotproduct 196399119
zv_equal 30996248
zv_equal0 23113173
zv_neg 51876
zv_neg_inplace 126
zv_prod 950997
zv_prod_Z 1922700
zv_sum 16503
zv_sumpart 0
zv_to_Flv 366646
zv_z_mul 28675

Generated by: LCOV version 1.16