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authorSergey Cherkashin <4erkashin@list.ru>2017-10-03 15:26:34 +0300
committerWaldemar Brodkorb <wbx@uclibc-ng.org>2017-11-03 20:23:10 +0100
commitea38f4d89c9698895b1cf53a5946429dc1d8bbaa (patch)
treee05828ca1fedf55f104b837bc9c44215c2978e99 /libm/w_sinhl.c
parent68de9946e914d8c30dcc6667a059ea59e5b74cac (diff)
math: add exception handling functionality
According to standards SVID and SYSV. Modified lgamma calling in case when 'signgam' variable should not be used. Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
Diffstat (limited to 'libm/w_sinhl.c')
-rw-r--r--libm/w_sinhl.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/libm/w_sinhl.c b/libm/w_sinhl.c
new file mode 100644
index 000000000..cd2ab0666
--- /dev/null
+++ b/libm/w_sinhl.c
@@ -0,0 +1,39 @@
+/* w_sinhl.c -- long double version of w_sinh.c.
+ * Conversion to long double by Ulrich Drepper,
+ * Cygnus Support, drepper@cygnus.com.
+ */
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+/*
+ * wrapper sinhl(x)
+ */
+
+#include <math.h>
+#include "math_private.h"
+
+#if !defined __NO_LONG_DOUBLE_MATH
+long double
+sinhl (long double x)
+{
+#if __UCLIBC_HAS_FENV__
+ long double z = (long double) __ieee754_sinh ((double) x);
+ if (__builtin_expect (!isfinite (z), 0) && isfinite (x)
+ && _LIB_VERSION != _IEEE_)
+ return __kernel_standard_l (x, x, 225); /* sinh overflow */
+
+ return z;
+# else
+ return (long double) __ieee754_sinh ((double) x);
+# endif /* __UCLIBC_HAS_FENV__ */
+}
+#endif \ No newline at end of file