nptl: rephrase *.sym handling

[uclinux-h8/uClibc.git] / libm / e_sinh.c

diff --git a/libm/e_sinh.c b/libm/e_sinh.c
index e8452c2..a3dca9d 100644 (file)
--- a/libm/e_sinh.c
+++ b/libm/e_sinh.c
@@ -1,4 +1,3 @@
-/* @(#)e_sinh.c 5.1 93/09/24 */
 /*
  * ====================================================
  * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
@@ -10,10 +9,6 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: e_sinh.c,v 1.7 1995/05/10 20:46:13 jtc Exp $";
-#endif
-
 /* __ieee754_sinh(x)
  * Method :
  * mathematically sinh(x) if defined to be (exp(x)-exp(-x))/2
@@ -35,21 +30,9 @@ static char rcsid[] = "$NetBSD: e_sinh.c,v 1.7 1995/05/10 20:46:13 jtc Exp $";
 #include "math.h"
 #include "math_private.h"
 
-libm_hidden_proto(expm1)
-libm_hidden_proto(fabs)
-
-#ifdef __STDC__
 static const double one = 1.0, shuge = 1.0e307;
-#else
-static double one = 1.0, shuge = 1.0e307;
-#endif
 
-#ifdef __STDC__
-       double attribute_hidden __ieee754_sinh(double x)
-#else
-       double attribute_hidden __ieee754_sinh(x)
-       double x;
-#endif
+double __ieee754_sinh(double x)
 {
        double t,w,h;
        int32_t ix,jx;
@@ -87,3 +70,21 @@ static double one = 1.0, shuge = 1.0e307;
     /* |x| > overflowthresold, sinh(x) overflow */
        return x*shuge;
 }
+
+/*
+ * wrapper sinh(x)
+ */
+#ifndef _IEEE_LIBM
+double sinh(double x)
+{
+       double z = __ieee754_sinh(x);
+       if (_LIB_VERSION == _IEEE_)
+               return z;
+       if (!isfinite(z) && isfinite(x))
+               return __kernel_standard(x, x, 25); /* sinh overflow */
+       return z;
+}
+#else
+strong_alias(__ieee754_sinh, sinh)
+#endif
+libm_hidden_def(sinh)