summaryrefslogtreecommitdiff
path: root/libm/src/w_asin.c
diff options
context:
space:
mode:
Diffstat (limited to 'libm/src/w_asin.c')
-rw-r--r--libm/src/w_asin.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/libm/src/w_asin.c b/libm/src/w_asin.c
new file mode 100644
index 0000000..e818285
--- /dev/null
+++ b/libm/src/w_asin.c
@@ -0,0 +1,41 @@
+
+/* @(#)w_asin.c 1.3 95/01/18 */
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunSoft, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ *
+ */
+
+/*
+ * wrapper asin(x)
+ */
+
+
+#include "fdlibm.h"
+
+
+#ifdef __STDC__
+ double asin(double x) /* wrapper asin */
+#else
+ double asin(x) /* wrapper asin */
+ double x;
+#endif
+{
+#ifdef _IEEE_LIBM
+ return __ieee754_asin(x);
+#else
+ double z;
+ z = __ieee754_asin(x);
+ if(_LIB_VERSION == _IEEE_ || isnan(x)) return z;
+ if(fabs(x)>1.0) {
+ return __kernel_standard(x,x,2); /* asin(|x|>1) */
+ } else
+ return z;
+#endif
+}