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-rw-r--r--lib/msun/man/asin.333
1 files changed, 16 insertions, 17 deletions
diff --git a/lib/msun/man/asin.3 b/lib/msun/man/asin.3
index f7e8404..d9cad73 100644
--- a/lib/msun/man/asin.3
+++ b/lib/msun/man/asin.3
@@ -28,12 +28,13 @@
.\" from: @(#)asin.3 5.1 (Berkeley) 5/2/91
.\" $FreeBSD$
.\"
-.Dd January 14, 2005
+.Dd July 31, 2008
.Dt ASIN 3
.Os
.Sh NAME
.Nm asin ,
-.Nm asinf
+.Nm asinf ,
+.Nm asinl
.Nd arc sine functions
.Sh LIBRARY
.Lb libm
@@ -43,23 +44,18 @@
.Fn asin "double x"
.Ft float
.Fn asinf "float x"
+.Ft long double
+.Fn asinl "long double x"
.Sh DESCRIPTION
The
-.Fn asin
-and the
-.Fn asinf
+.Fn asin ,
+.Fn asinf ,
+and
+.Fn asinl
functions compute the principal value of the arc sine of
.Fa x .
-A domain error occurs for arguments not in the range
-.Bq -1 , +1 .
-For a discussion of error due to roundoff, see
-.Xr math 3 .
.Sh RETURN VALUES
-The
-.Fn asin
-and the
-.Fn asinf
-functions return the arc sine in the range
+These functions return the arc sine in the range
.Bk -words
.Bq -\*(Pi/2 , +\*(Pi/2
.Ek
@@ -85,6 +81,9 @@ raises an invalid exception and returns an \*(Na.
.Xr tanh 3
.Sh STANDARDS
The
-.Fn asin
-function conforms to
-.St -isoC .
+.Fn asin ,
+.Fn asinf ,
+and
+.Fn asinl
+functions conform to
+.St -isoC-99 .
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