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Fix linear_gradient float precision bug.

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This was reported by:
https://github.com/ArthurSonzogni/FTXUI/issues/998

Indeed, the `t` interpolation factor, which is itself interpolated might become
slightly larger than 1.0. This is due to the float precision.
This was supposedly handled, but there was an off-by-one error in the check.

Along the way, fix a bug found by a fuzzer.

Bug: https://github.com/ArthurSonzogni/FTXUI/issues/998
Fixed: https://github.com/ArthurSonzogni/FTXUI/issues/998
This commit is contained in:
Arthur Sonzogni
2025-02-10 22:51:31 +01:00
committed by ArthurSonzogni
parent 15587dad01
commit d75108e960
6 changed files with 48 additions and 6 deletions
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4
cmake/ftxui_set_options.cmake
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@@ -83,10 +83,6 @@ function(ftxui_set_options library)
target_compile_options(${library} PRIVATE "-Wpedantic")
target_compile_options(${library} PRIVATE "-Wshadow")
target_compile_options(${library} PRIVATE "-Wunused")
if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
target_compile_options(${library} PRIVATE "-Wuseless-cast")
endif()
endif()
endif()