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Merge pull request #38 from DanielGibson/fix-FloatToInt

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Fix for FloatToInt
This commit is contained in:
Ryan C. Gordon 2016-04-21 23:00:03 -04:00
commit 7213794459
2 changed files with 15 additions and 15 deletions
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27
Sources/CMakeLists.txt
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@ -112,9 +112,20 @@ if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID STREQUAL "Clang")
# TODO fix these warnings # TODO fix these warnings
add_compile_options(-Wno-sign-compare) add_compile_options(-Wno-sign-compare)
add_compile_options(-Wno-switch) add_compile_options(-Wno-switch)
add_compile_options(-Wno-format-security) add_compile_options(-Wno-unknown-pragmas)
add_definitions(-Wno-logical-op-parentheses) add_compile_options(-Wno-unused-variable)
MESSAGE(WARNING, "re-enable -Wlogical-op-parentheses some day!") add_compile_options(-Wno-unused-value)
add_compile_options(-Wno-reorder)
add_compile_options(-Wno-unused-but-set-variable)
add_compile_options(-Wno-parentheses)
MESSAGE(WARNING, "re-enable some of the warnings some day!")
if(CMAKE_CXX_COMPILER_ID MATCHES "Clang" OR CMAKE_CXX_COMPILER_ID MATCHES "AppleClang")
# !!! FIXME: turn a bunch of these off, this is just for now. I hope. --ryan.
add_compile_options(-Wno-tautological-undefined-compare)
add_compile_options(-Wno-c++11-compat-deprecated-writable-strings)
add_compile_options(-Wno-logical-op-parentheses) # FIXME: this too should be re-enabled
endif()
if(MACOSX) if(MACOSX)
add_definitions(-DPLATFORM_UNIX=1) add_definitions(-DPLATFORM_UNIX=1)
@ -150,16 +161,6 @@ if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID STREQUAL "Clang")
# !!! FIXME: turn a bunch of these off, this is just for now. I hope. --ryan. # !!! FIXME: turn a bunch of these off, this is just for now. I hope. --ryan.
add_compile_options(-Wno-invalid-offsetof) add_compile_options(-Wno-invalid-offsetof)
endif() endif()
if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
# !!! FIXME: turn a bunch of these off, this is just for now. I hope. --ryan.
add_compile_options(-Wno-unused-value)
add_compile_options(-Wno-switch)
add_compile_options(-Wno-tautological-undefined-compare)
add_compile_options(-Wno-c++11-compat-deprecated-writable-strings)
add_definitions(-Wno-logical-op-parentheses)
MESSAGE(WARNING "reenable -Wlogical-op-parentheses some day!")
endif()
elseif(MSVC) # RAKE! I don't know if this will build with MSVC elseif(MSVC) # RAKE! I don't know if this will build with MSVC
add_compile_options(/W4) add_compile_options(/W4)

3
Sources/Engine/Math/Functions.h
View File

@ -314,8 +314,7 @@ inline SLONG FloatToInt( FLOAT f)
{ {
#if defined(__arm__) || defined(USE_PORTABLE_C) #if defined(__arm__) || defined(USE_PORTABLE_C)
// round to nearest by adding/subtracting 0.5 (depending on f pos/neg) before converting to SLONG // round to nearest by adding/subtracting 0.5 (depending on f pos/neg) before converting to SLONG
float addToRound = 0.5f; float addToRound = copysignf(0.5f, f); // copy f's signbit to 0.5 => if f<0 then addToRound = -0.5, else 0.5
copysignf(addToRound, f); // copy f's signbit to addToRound => if f<0 then addToRound = -addToRound
return((SLONG) (f + addToRound)); return((SLONG) (f + addToRound));
#elif (defined __MSVC_INLINE__) #elif (defined __MSVC_INLINE__)