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-rw-r--r--sysdeps/ieee754/dbl-64/s_isinf.c15
-rw-r--r--sysdeps/ieee754/dbl-64/wordsize-64/s_isinf.c34
2 files changed, 6 insertions, 43 deletions
diff --git a/sysdeps/ieee754/dbl-64/s_isinf.c b/sysdeps/ieee754/dbl-64/s_isinf.c
index 93eb65c1479..e5300fd2a55 100644
--- a/sysdeps/ieee754/dbl-64/s_isinf.c
+++ b/sysdeps/ieee754/dbl-64/s_isinf.c
@@ -4,10 +4,6 @@
* Public domain.
*/
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: s_isinf.c,v 1.3 1995/05/11 23:20:14 jtc Exp $";
-#endif
-
/*
* isinf(x) returns 1 is x is inf, -1 if x is -inf, else 0;
* no branching!
@@ -21,11 +17,12 @@ static char rcsid[] = "$NetBSD: s_isinf.c,v 1.3 1995/05/11 23:20:14 jtc Exp $";
int
__isinf (double x)
{
- int32_t hx, lx;
- EXTRACT_WORDS (hx, lx, x);
- lx |= (hx & 0x7fffffff) ^ 0x7ff00000;
- lx |= -lx;
- return ~(lx >> 31) & (hx >> 30);
+ int64_t ix;
+ EXTRACT_WORDS64 (ix,x);
+ int64_t t = ix & UINT64_C (0x7fffffffffffffff);
+ t ^= UINT64_C (0x7ff0000000000000);
+ t |= -t;
+ return ~(t >> 63) & (ix >> 62);
}
hidden_def (__isinf)
weak_alias (__isinf, isinf)
diff --git a/sysdeps/ieee754/dbl-64/wordsize-64/s_isinf.c b/sysdeps/ieee754/dbl-64/wordsize-64/s_isinf.c
deleted file mode 100644
index 2b427a8b4cc..00000000000
--- a/sysdeps/ieee754/dbl-64/wordsize-64/s_isinf.c
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Written by J.T. Conklin <jtc@netbsd.org>.
- * Changed to return -1 for -Inf by Ulrich Drepper <drepper@cygnus.com>.
- * Public domain.
- */
-
-/*
- * isinf(x) returns 1 is x is inf, -1 if x is -inf, else 0;
- * no branching!
- */
-
-#include <math.h>
-#include <math_private.h>
-#include <ldbl-classify-compat.h>
-#include <shlib-compat.h>
-
-int
-__isinf (double x)
-{
- int64_t ix;
- EXTRACT_WORDS64(ix,x);
- int64_t t = ix & UINT64_C(0x7fffffffffffffff);
- t ^= UINT64_C(0x7ff0000000000000);
- t |= -t;
- return ~(t >> 63) & (ix >> 62);
-}
-hidden_def (__isinf)
-weak_alias (__isinf, isinf)
-#ifdef NO_LONG_DOUBLE
-# if LDBL_CLASSIFY_COMPAT && SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_23)
-compat_symbol (libc, __isinf, __isinfl, GLIBC_2_0);
-# endif
-weak_alias (__isinf, isinfl)
-#endif