summaryrefslogtreecommitdiff
path: root/libm/w_sinhf.c
diff options
context:
space:
mode:
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_sinhf.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_sinhf.c')
-rw-r--r--libm/w_sinhf.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/libm/w_sinhf.c b/libm/w_sinhf.c
new file mode 100644
index 000000000..5318c7f61
--- /dev/null
+++ b/libm/w_sinhf.c
@@ -0,0 +1,37 @@
+/* w_sinhf.c -- float version of w_sinh.c.
+ * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@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 sinhf(x)
+ */
+
+#include <math.h>
+#include "math_private.h"
+
+float
+sinhf (float x)
+{
+#if __UCLIBC_HAS_FENV__
+ float z = (float) __ieee754_sinh ((double) x);
+ if (__builtin_expect (!isfinite (z), 0) && isfinite (x)
+ && _LIB_VERSION != _IEEE_)
+ return __kernel_standard_f (x, x, 125); /* sinhf overflow */
+
+ return z;
+#else
+ return (float) __ieee754_sinh ((double) x);
+#endif
+}
+