[Git][wine/wine][master] gdiplus/tests: Fix flaky rounding error in test_getblend.

[Alexandre Julliard (＠julliard)]

Alexandre Julliard pushed to branch master at wine / wine


Commits:
3510fa74 by Bartosz Kosiorek at 2026-04-06T17:34:38+02:00
gdiplus/tests: Fix flaky rounding error in test_getblend.

The sentinel value 0xdeadbeef (3735928559) exceeds the 24-bit mantissa
precision of a 32-bit float. On some architectures (like i386 using
x87 FPU), comparisons between register-stored constants and memory-stored
floats would fail due to inconsistent rounding.

Replaced the sentinel with 12345.0, which can be represented exactly
in a 32-bit float, ensuring deterministic test results across different
floating-point units.

- - - - -


1 changed file:

- dlls/gdiplus/tests/brush.c


View it on GitLab: https://gitlab.winehq.org/wine/wine/-/commit/3510fa7476e309163399ec97aa9e38a...

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View it on GitLab: https://gitlab.winehq.org/wine/wine/-/commit/3510fa7476e309163399ec97aa9e38a...
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