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* sysdeps/generic/e_scalb.c: Set invalid exception for invalid
	parameters.
	* sysdeps/generic/e_scalbf.c: New file.
	* sysdeps/generic/e_scalbl.c: New file.
This commit is contained in:
Ulrich Drepper 2001-02-19 23:07:28 +00:00
parent 2d7faa721d
commit d210ca02ec
4 changed files with 38 additions and 9 deletions
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5
ChangeLog
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@ -1,5 +1,10 @@
2001-02-19 Ulrich Drepper <drepper@redhat.com>
* sysdeps/generic/e_scalb.c: Set invalid exception for invalid
parameters.
* sysdeps/generic/e_scalbf.c: New file.
* sysdeps/generic/e_scalbl.c: New file.
* sysdeps/ia64/fpu/Makefile (libm-sysdep-routines): Add libm_error,
libm_frexp4, libm_frexp4f, libm_frexp4l, and all the functions also
in libc.

16
sysdeps/generic/e_scalb.c
View File

@ -5,7 +5,7 @@
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
@ -16,10 +16,11 @@ static char rcsid[] = "$NetBSD: e_scalb.c,v 1.6 1995/05/10 20:46:09 jtc Exp $";
/*
* __ieee754_scalb(x, fn) is provide for
* passing various standard test suite. One
* passing various standard test suite. One
* should use scalbn() instead.
*/
#include <fenv.h>
#include "math.h"
#include "math_private.h"
@ -48,10 +49,17 @@ static char rcsid[] = "$NetBSD: e_scalb.c,v 1.6 1995/05/10 20:46:09 jtc Exp $";
else if (x == 0)
return x;
else if (!__finite (x))
return __nan ("");
{
feraiseexcept (FE_INVALID);
return __nan ("");
}
else return x/(-fn);
}
if (__rint(fn)!=fn) return __nan ("");
if (__rint(fn)!=fn)
{
feraiseexcept (FE_INVALID);
return __nan ("");
}
if ( fn > 65000.0) return __scalbn(x, 65000);
if (-fn > 65000.0) return __scalbn(x,-65000);
return __scalbn(x,(int)fn);

14
sysdeps/generic/e_scalbf.c
View File

@ -8,7 +8,7 @@
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
@ -17,6 +17,7 @@
static char rcsid[] = "$NetBSD: e_scalbf.c,v 1.3 1995/05/10 20:46:12 jtc Exp $";
#endif
#include <fenv.h>
#include "math.h"
#include "math_private.h"
@ -45,10 +46,17 @@ static char rcsid[] = "$NetBSD: e_scalbf.c,v 1.3 1995/05/10 20:46:12 jtc Exp $";
else if (x == 0)
return x;
else if (!__finitef (x))
return __nanf ("");
{
feraiseexcept (FE_INVALID);
return __nanf ("");
}
else return x/(-fn);
}
if (__rintf(fn)!=fn) return __nanf ("");
if (__rintf(fn)!=fn)
{
feraiseexcept (FE_INVALID);
return __nanf ("");
}
if ( fn > (float)65000.0) return __scalbnf(x, 65000);
if (-fn > (float)65000.0) return __scalbnf(x,-65000);
return __scalbnf(x,(int)fn);

12
sysdeps/generic/e_scalbl.c
View File

@ -24,6 +24,7 @@ static char rcsid[] = "$NetBSD: $";
* should use scalbnl() instead.
*/
#include <fenv.h>
#include "math.h"
#include "math_private.h"
@ -52,10 +53,17 @@ static char rcsid[] = "$NetBSD: $";
else if (x == 0)
return x;
else if (!__finitel (x))
return __nanl ("");
{
feraiseexcept (FE_INVALID);
return __nanl ("");
}
else return x/(-fn);
}
if (__rintl(fn)!=fn) return __nanl ("");
if (__rintl(fn)!=fn)
{
feraiseexcept (FE_INVALID);
return __nanl ("");
}
if ( fn > 65000.0) return __scalbnl(x, 65000);
if (-fn > 65000.0) return __scalbnl(x,-65000);
return __scalbnl(x,(int)fn);