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-rw-r--r--man3/acos.321
1 files changed, 10 insertions, 11 deletions
diff --git a/man3/acos.3 b/man3/acos.3
index a81b4ef..b67d1cd 100644
--- a/man3/acos.3
+++ b/man3/acos.3
@@ -13,7 +13,7 @@
.\" Modified 2002-07-25 by Walter Harms
.\" (walter.harms@informatik.uni-oldenburg.de)
.\"
-.TH acos 3 2023-07-20 "Linux man-pages 6.05.01"
+.TH acos 3 2023-10-31 "Linux man-pages 6.7"
.SH NAME
acos, acosf, acosl \- arc cosine function
.SH LIBRARY
@@ -22,17 +22,17 @@ Math library
.SH SYNOPSIS
.nf
.B #include <math.h>
-.PP
+.P
.BI "double acos(double " x );
.BI "float acosf(float " x );
.BI "long double acosl(long double " x );
.fi
-.PP
+.P
.RS -4
Feature Test Macro Requirements for glibc (see
.BR feature_test_macros (7)):
.RE
-.PP
+.P
.BR acosf (),
.BR acosl ():
.nf
@@ -50,22 +50,22 @@ the value whose cosine is
On success, these functions return the arc cosine of
.I x
in radians; the return value is in the range [0,\ pi].
-.PP
+.P
If
.I x
is a NaN, a NaN is returned.
-.PP
+.P
If
.I x
is +1,
+0 is returned.
-.PP
+.P
If
.I x
is positive infinity or negative infinity,
a domain error occurs,
and a NaN is returned.
-.PP
+.P
If
.I x
is outside the range [\-1,\ 1],
@@ -76,7 +76,7 @@ See
.BR math_error (7)
for information on how to determine whether an error has occurred
when calling these functions.
-.PP
+.P
The following errors can occur:
.TP
Domain error: \fIx\fP is outside the range [\-1,\ 1]
@@ -102,12 +102,11 @@ T{
.BR acosl ()
T} Thread safety MT-Safe
.TE
-.sp 1
.SH STANDARDS
C11, POSIX.1-2008.
.SH HISTORY
C99, POSIX.1-2001.
-.PP
+.P
The variant returning
.I double
also conforms to