aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/generic/w_atan2l.c
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/generic/w_atan2l.c')
-rw-r--r--sysdeps/generic/w_atan2l.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/sysdeps/generic/w_atan2l.c b/sysdeps/generic/w_atan2l.c
new file mode 100644
index 0000000..2897c8c
--- /dev/null
+++ b/sysdeps/generic/w_atan2l.c
@@ -0,0 +1,47 @@
+/* w_atan2l.c -- long double version of w_atan2.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.
+ * ====================================================
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: $";
+#endif
+
+/*
+ * wrapper atan2l(y,x)
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+
+#ifdef __STDC__
+ long double __atan2l(long double y, long double x) /* wrapper atan2l */
+#else
+ long double __atan2l(y,x) /* wrapper atan2l */
+ long double y,x;
+#endif
+{
+#ifdef _IEEE_LIBM
+ return __ieee754_atan2l(y,x);
+#else
+ long double z;
+ z = __ieee754_atan2l(y,x);
+ if(_LIB_VERSION != _SVID_||__isnanl(x)||__isnanl(y)) return z;
+ if(x==0.0&&y==0.0)
+ return __kernel_standard(y,x,203); /* atan2(+-0,+-0) */
+ return z;
+#endif
+}
+weak_alias (__atan2l, atan2l)