diff options
Diffstat (limited to 'newlib/libm/machine/i386/f_lrint.c')
-rw-r--r-- | newlib/libm/machine/i386/f_lrint.c | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/newlib/libm/machine/i386/f_lrint.c b/newlib/libm/machine/i386/f_lrint.c deleted file mode 100644 index b8cdabb5d..000000000 --- a/newlib/libm/machine/i386/f_lrint.c +++ /dev/null @@ -1,69 +0,0 @@ -/* - * ==================================================== - * x87 FP implementation contributed to Newlib by - * Dave Korn, November 2007. This file is placed in the - * public domain. Permission to use, copy, modify, and - * distribute this software is freely granted. - * ==================================================== - */ - -#if defined(__GNUC__) && !defined(_SOFT_FLOAT) - -#include <math.h> - -/* -FUNCTION -<<lrint>>, <<lrintf>>, <<lrintl>>---round and convert to long integer -INDEX - lrint -INDEX - lrintf -INDEX - lrintl - -ANSI_SYNOPSIS - #include <math.h> - long int lrint(double x); - long int lrintf(float x); - long int lrintl(long double x); - -TRAD_SYNOPSIS - ANSI-only. - -DESCRIPTION -The <<lrint>>, <<lrintf>> and <<lrintl>> functions round <[x]> to the nearest integer value, -according to the current rounding direction. If the rounded value is outside the -range of the return type, the numeric result is unspecified. A range error may -occur if the magnitude of <[x]> is too large. - -RETURNS -These functions return the rounded integer value of <[x]>. -<<lrint>>, <<lrintf>> and <<lrintl>> return the result as a long integer. - -PORTABILITY -<<lrint>>, <<lrintf>>, and <<lrintl>> are ANSI. -<<lrint>> and <<lrintf>> are available on all platforms. -<<lrintl>> is only available on i386 platforms when hardware -floating point support is available and when compiling with GCC. - -*/ - -/* - * Fast math version of lrint(x) - * Return x rounded to integral value according to the prevailing - * rounding mode. - * Method: - * Using inline x87 asms. - * Exception: - * Governed by x87 FPCR. - */ - -long int _f_lrint (double x) -{ - long int _result; - asm ("fistpl %0" : "=m" (_result) : "t" (x) : "st"); - return _result; -} - -#endif /* !__GNUC__ || _SOFT_FLOAT */ - |