nichkara/rapier
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Release v0.9.0

Browse Source
This commit is contained in:
Crozet Sébastien
2021-06-02 17:41:49 +02:00
committed by Sébastien Crozet
parent c7b876e2f7
commit fdd370e51a
10 changed files with 38 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
src/utils.rs
View File

@@ -670,13 +670,13 @@ impl Drop for FlushToZeroDenormalsAreZeroFlags {
}
}
// This is an RAII structure that disables floating point exceptions while
// it is alive, so that operations which generate NaNs and infinite values
// intentionally will not trip an exception when debugging problematic
// code that is generating NaNs and infinite values erroneously.
/// This is an RAII structure that disables floating point exceptions while
/// it is alive, so that operations which generate NaNs and infinite values
/// intentionally will not trip an exception when debugging problematic
/// code that is generating NaNs and infinite values erroneously.
#[derive(Clone, Debug, PartialEq, Eq)]
pub(crate) struct DisableFloatingPointExceptionsFlags {
#[cfg(feature = "avoid-fe-exceptions")]
#[cfg(feature = "debug-disable-legitimate-fe-exceptions")]
// We can't get a precise size for this, because it's of type
// `fenv_t`, which is a definition that doesn't exist in rust
// (not even in the libc crate, as of the time of writing.)
@@ -685,19 +685,22 @@ pub(crate) struct DisableFloatingPointExceptionsFlags {
original_flags: [u8; 256],
}
#[cfg(feature = "avoid-fe-exceptions")]
#[cfg(feature = "debug-disable-legitimate-fe-exceptions")]
extern "C" {
fn feholdexcept(env: *mut std::ffi::c_void);
fn fesetenv(env: *const std::ffi::c_void);
}
impl DisableFloatingPointExceptionsFlags {
#[cfg(not(feature = "avoid-fe-exceptions"))]
#[cfg(not(feature = "debug-disable-legitimate-fe-exceptions"))]
#[allow(dead_code)]
/// Disables floating point exceptions as long as this object is not dropped.
pub fn disable_floating_point_exceptions() -> Self {
Self { }
Self {}
}
#[cfg(feature = "avoid-fe-exceptions")]
#[cfg(feature = "debug-disable-legitimate-fe-exceptions")]
/// Disables floating point exceptions as long as this object is not dropped.
pub fn disable_floating_point_exceptions() -> Self {
unsafe {
let mut original_flags = [0; 256];
@@ -707,7 +710,7 @@ impl DisableFloatingPointExceptionsFlags {
}
}
#[cfg(feature = "avoid-fe-exceptions")]
#[cfg(feature = "debug-disable-legitimate-fe-exceptions")]
impl Drop for DisableFloatingPointExceptionsFlags {
fn drop(&mut self) {
unsafe {