diff options
Diffstat (limited to 'man3/floor.3')
| -rw-r--r-- | man3/floor.3 | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/man3/floor.3 b/man3/floor.3 index 6040607..0f2731c 100644 --- a/man3/floor.3 +++ b/man3/floor.3 @@ -5,7 +5,7 @@ .\" .\" SPDX-License-Identifier: Linux-man-pages-copyleft .\" -.TH floor 3 2023-07-20 "Linux man-pages 6.05.01" +.TH floor 3 2023-10-31 "Linux man-pages 6.7" .SH NAME floor, floorf, floorl \- largest integral value not greater than argument .SH LIBRARY @@ -14,17 +14,17 @@ Math library .SH SYNOPSIS .nf .B #include <math.h> -.PP +.P .BI "double floor(double " x ); .BI "float floorf(float " x ); .BI "long double floorl(long double " x ); .fi -.PP +.P .RS -4 Feature Test Macro Requirements for glibc (see .BR feature_test_macros (7)): .RE -.PP +.P .BR floorf (), .BR floorl (): .nf @@ -35,7 +35,7 @@ Feature Test Macro Requirements for glibc (see .SH DESCRIPTION These functions return the largest integral value that is not greater than .IR x . -.PP +.P For example, .I floor(0.5) is 0.0, and @@ -44,7 +44,7 @@ is \-1.0. .SH RETURN VALUE These functions return the floor of .IR x . -.PP +.P If .I x is integral, +0, \-0, NaN, or an infinity, @@ -69,17 +69,16 @@ T{ .BR floorl () 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 SVr4, 4.3BSD, C89. -.PP +.P SUSv2 and POSIX.1-2001 contain text about overflow (which might set .I errno to |