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AP_Common: missing/fenv: fix coding style

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This commit is contained in:
Lucas De Marchi 2016-07-06 11:30:17 -03:00
parent 484db9ff82
commit c728b6c164
1 changed files with 29 additions and 23 deletions
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52
libraries/AP_Common/missing/fenv.h
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@ -1,4 +1,5 @@
#pragma once #pragma once
#include_next <fenv.h> #include_next <fenv.h>
#if defined(__APPLE__) && defined(__MACH__) #if defined(__APPLE__) && defined(__MACH__)
@ -6,37 +7,42 @@
// Public domain polyfill for feenableexcept on OS X // Public domain polyfill for feenableexcept on OS X
// http://www-personal.umich.edu/~williams/archive/computation/fe-handling-example.c // http://www-personal.umich.edu/~williams/archive/computation/fe-handling-example.c
inline int inline int feenableexcept(unsigned int excepts)
feenableexcept (unsigned int excepts)
{ {
static fenv_t fenv; static fenv_t fenv;
unsigned int new_excepts = excepts & FE_ALL_EXCEPT, unsigned int new_excepts = excepts & FE_ALL_EXCEPT;
old_excepts; // previous masks // previous masks
unsigned int old_excepts;
if ( fegetenv (&fenv) ) return -1; if (fegetenv(&fenv)) {
old_excepts = fenv.__control & FE_ALL_EXCEPT; return -1;
}
old_excepts = fenv.__control & FE_ALL_EXCEPT;
// unmask // unmask
fenv.__control &= ~new_excepts; fenv.__control &= ~new_excepts;
fenv.__mxcsr &= ~(new_excepts << 7); fenv.__mxcsr &= ~(new_excepts << 7);
return ( fesetenv (&fenv) ? -1 : old_excepts ); return fesetenv(&fenv) ? -1 : old_excepts;
} }
inline int inline int fedisableexcept(unsigned int excepts)
fedisableexcept (unsigned int excepts)
{ {
static fenv_t fenv; static fenv_t fenv;
unsigned int new_excepts = excepts & FE_ALL_EXCEPT, unsigned int new_excepts = excepts & FE_ALL_EXCEPT;
old_excepts; // all previous masks // all previous masks
unsigned int old_excepts;
if ( fegetenv (&fenv) ) return -1; if (fegetenv(&fenv)) {
old_excepts = fenv.__control & FE_ALL_EXCEPT; return -1;
}
old_excepts = fenv.__control & FE_ALL_EXCEPT;
// mask // mask
fenv.__control |= new_excepts; fenv.__control |= new_excepts;
fenv.__mxcsr |= new_excepts << 7; fenv.__mxcsr |= new_excepts << 7;
return ( fesetenv (&fenv) ? -1 : old_excepts ); return fesetenv(&fenv) ? -1 : old_excepts;
} }
#endif // APPLE
#endif