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:

• with GMP kernel
• with GMP kernel using --mt=pthread
• with native kernel, including micro-assembler code
• with native kernel, without micro-assembler
• with native kernel, without micro-assembler, disabling GCC extensions (DISABLE_INLINE)
• with GMP kernel, emulating an x86_32 architecture at Configure time via setarch

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 - rootpol.c (source / functions) Hit Total Coverage Test: PARI/GP v2.16.2 lcov report (development 29115-f22e516b23) Lines: 1480 1543 95.9 % Date: 2024-05-07 08:07:52 Functions: 116 119 97.5 % Legend: Lines: hit not hit

Function Name	Hit count
_intervalcmp	0
_mp_sub	0
scalepol2n	0
ZX_Uspensky_equal_yes	14
polgraeffe	14
ZX_Uspensky_no	21
ZX_Uspensky_equal	28
rootsdeg0	42
FFT	56
FFTinv	56
polmod_to_embed	84
FFT_i	98
ZX_sturm	1414
ZX_sturmpart	3074
sol_ok	3399
ZX_graeffe	5306
fft2	7462
roots	7913
ZX_deg1root	14443
_sqrtnr	22216
polrootsbound_i	26978
polrootsbound	26985
RgX_normalize1	35234
ZX_realroots_irred	47414
realroots	50536
check_ab	53610
checkbound	105596
ZX_sturm_irred	114676
ZX_sturm_i	116090
split_pols	164779
polsolve	164792
splitcauchy	164796
ZX_Uspensky	182111
solve_exact_pol	212597
cleanroots	212968
isexactpol	220853
roots_com	220853
roots_aux	220881
usp	229460
checkvalidpol	247845
fujiwara_bound_real	269192
QX_complex_roots	289032
_gen_zero	321025
fix_roots1	375324
ZX_rescale2prim	415687
conformal_mapping	445723
split_1	445724
split_0_1	446044
split_0_2	446044
parameters	470704
split_2	470706
logradius	470707
optimize_split	470708
split_fromU	470708
update_radius	470708
split_0	471027
refine_F	478697
dft	478703
all_roots	509841
clean_roots	509882
fix_roots	510650
a_posteriori_errors	510653
mygprec_special	510653
logmodulus	581034
logpre_modulus	581037
abs_update_r	736082
isexactscalar	858319
ind_maxlog2	858600
isreal	916429
initdft	949408
dual_modulus	965470
fujiwara_bound	1097581
isvalidcoeff	1148238
tocomplex	1174089
X2XP1	1276920
conformal_basecase	1337283
conformal_pol	1337400
split_complete	1452702
append_clone	1536762
homothetie	1537549
logmin_modulus	1541472
root_error	1828513
mygprecrc_special	2072196
cmp_complex_appr	2152083
refine_H	2355157
quicktofp	4052101
scalepol	4086355
mygprec_absolute	4173747
logmax_modulus	4251385
_mp_mul	4316887
splitpoleval	5166433
bkeval_single_power	5166827
newton_polygon	5275119
_mp_sqr	6228112
dblexp	6260040
RgX_gtofp_bit	6737963
abs_update	7726365
mydbllogr	9198457
homothetie2n	9526132
_gen_nored	11045753
eval_rel_pol	12577766
fft	13730412
_gen_one	14285043
ZX_to_ZiX	16187214
pol_to_gaussint	16829296
_mp_add	24369635
myshiftrc	34081367
_mp_cmul	34332115
homothetie_gauss	34873277
lower_bound	39132073
findpower	39132320
graeffe	47326064
mydbllog2r	52747421
mygprec	61049593
ZiX_sqr	94671562
myshiftic	130480241
mygprecrc	207542823
mydbllog2i	215832718
dbllog2	290586080

Generated by: LCOV version 1.14