diff options
Diffstat (limited to 'man3/acos.3')
| -rw-r--r-- | man3/acos.3 | 21 |
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 |