merge -5.0 into -5.1 (minor conflicts resolved)

This commit is contained in:
Timothy Smith 2009-04-01 23:19:04 -06:00
commit a43bab0a8b
2 changed files with 36 additions and 35 deletions

View File

@ -66,7 +66,7 @@ typedef KEYMAP_ENTRY *Keymap;
#ifndef CTRL
#include <sys/ioctl.h>
#if !defined(__sun) && !defined(__hpux) && !defined(_AIX)
#if !defined(__sun) && !defined(__hpux) && !defined(_AIX) && !defined(__QNXNTO__) && !defined(__USLC__)
#include <sys/ttydefaults.h>
#endif
#ifndef CTRL

View File

@ -580,40 +580,6 @@ typedef unsigned short ushort;
#define test_all_bits(a,b) (((a) & (b)) == (b))
#define set_bits(type, bit_count) (sizeof(type)*8 <= (bit_count) ? ~(type) 0 : ((((type) 1) << (bit_count)) - (type) 1))
#define array_elements(A) ((uint) (sizeof(A)/sizeof(A[0])))
#ifndef HAVE_RINT
/**
All integers up to this number can be represented exactly as double precision
values (DBL_MANT_DIG == 53 for IEEE 754 hardware).
*/
#define MAX_EXACT_INTEGER ((1LL << DBL_MANT_DIG) - 1)
/**
rint(3) implementation for platforms that do not have it.
Always rounds to the nearest integer with ties being rounded to the nearest
even integer to mimic glibc's rint() behavior in the "round-to-nearest"
FPU mode. Hardware-specific optimizations are possible (frndint on x86).
Unlike this implementation, hardware will also honor the FPU rounding mode.
*/
static inline double rint(double x)
{
double f, i;
f = modf(x, &i);
/*
All doubles with absolute values > MAX_EXACT_INTEGER are even anyway,
no need to check it.
*/
if (x > 0.0)
i += (double) ((f > 0.5) || (f == 0.5 &&
i <= (double) MAX_EXACT_INTEGER &&
(longlong) i % 2));
else
i -= (double) ((f < -0.5) || (f == -0.5 &&
i >= (double) -MAX_EXACT_INTEGER &&
(longlong) i % 2));
return i;
}
#endif /* HAVE_RINT */
/* Define some general constants */
#ifndef TRUE
@ -1572,4 +1538,39 @@ inline void operator delete[](void*, void*) { /* Do nothing */ }
#define bool In_C_you_should_use_my_bool_instead()
#endif
#ifndef HAVE_RINT
/**
All integers up to this number can be represented exactly as double precision
values (DBL_MANT_DIG == 53 for IEEE 754 hardware).
*/
#define MAX_EXACT_INTEGER ((1LL << DBL_MANT_DIG) - 1)
/**
rint(3) implementation for platforms that do not have it.
Always rounds to the nearest integer with ties being rounded to the nearest
even integer to mimic glibc's rint() behavior in the "round-to-nearest"
FPU mode. Hardware-specific optimizations are possible (frndint on x86).
Unlike this implementation, hardware will also honor the FPU rounding mode.
*/
static inline double rint(double x)
{
double f, i;
f = modf(x, &i);
/*
All doubles with absolute values > MAX_EXACT_INTEGER are even anyway,
no need to check it.
*/
if (x > 0.0)
i += (double) ((f > 0.5) || (f == 0.5 &&
i <= (double) MAX_EXACT_INTEGER &&
(longlong) i % 2));
else
i -= (double) ((f < -0.5) || (f == -0.5 &&
i >= (double) -MAX_EXACT_INTEGER &&
(longlong) i % 2));
return i;
}
#endif /* HAVE_RINT */
#endif /* my_global_h */