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-rw-r--r--man3/catan.313
1 files changed, 7 insertions, 6 deletions
diff --git a/man3/catan.3 b/man3/catan.3
index ea79b40..4bba036 100644
--- a/man3/catan.3
+++ b/man3/catan.3
@@ -4,7 +4,7 @@
.\"
.\" SPDX-License-Identifier: GPL-1.0-or-later
.\"
-.TH catan 3 2023-07-20 "Linux man-pages 6.05.01"
+.TH catan 3 2023-11-01 "Linux man-pages 6.7"
.SH NAME
catan, catanf, catanl \- complex arc tangents
.SH LIBRARY
@@ -13,7 +13,7 @@ Math library
.SH SYNOPSIS
.nf
.B #include <complex.h>
-.PP
+.P
.BI "double complex catan(double complex " z );
.BI "float complex catanf(float complex " z );
.BI "long double complex catanl(long double complex " z );
@@ -22,10 +22,12 @@ Math library
These functions calculate the complex arc tangent of
.IR z .
If \fIy\~=\~catan(z)\fP, then \fIz\~=\~ctan(y)\fP.
-The real part of y is chosen in the interval [\-pi/2,pi/2].
-.PP
+The real part of
+.I y
+is chosen in the interval [\-pi/2, pi/2].
+.P
One has:
-.PP
+.P
.in +4n
.EX
catan(z) = (clog(1 + i * z) \- clog(1 \- i * z)) / (2 * i)
@@ -47,7 +49,6 @@ T{
.BR catanl ()
T} Thread safety MT-Safe
.TE
-.sp 1
.SH STANDARDS
C11, POSIX.1-2008.
.SH HISTORY