diff options
Diffstat (limited to 'man3/catan.3')
| -rw-r--r-- | man3/catan.3 | 13 |
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 |