diff options
Diffstat (limited to 'man3/cbrt.3')
| -rw-r--r-- | man3/cbrt.3 | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/man3/cbrt.3 b/man3/cbrt.3 index 106e951..373cd8f 100644 --- a/man3/cbrt.3 +++ b/man3/cbrt.3 @@ -8,7 +8,7 @@ .\" Modified 2002-07-27 Walter Harms .\" (walter.harms@informatik.uni-oldenburg.de) .\" -.TH cbrt 3 2023-07-20 "Linux man-pages 6.05.01" +.TH cbrt 3 2024-03-12 "Linux man-pages 6.7" .SH NAME cbrt, cbrtf, cbrtl \- cube root function .SH LIBRARY @@ -17,17 +17,17 @@ Math library .SH SYNOPSIS .nf .B #include <math.h> -.PP +.P .BI "double cbrt(double " x ); .BI "float cbrtf(float " x ); .BI "long double cbrtl(long double " x ); .fi -.PP +.P .RS -4 Feature Test Macro Requirements for glibc (see .BR feature_test_macros (7)): .RE -.PP +.P .BR cbrt (): .nf _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L @@ -36,7 +36,7 @@ Feature Test Macro Requirements for glibc (see || /* Since glibc 2.19: */ _DEFAULT_SOURCE || /* glibc <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE .fi -.PP +.P .BR cbrtf (), .BR cbrtl (): .nf @@ -47,12 +47,15 @@ Feature Test Macro Requirements for glibc (see .SH DESCRIPTION These functions return the (real) cube root of .IR x . -This function cannot fail; every representable real value has a -representable real cube root. +This function cannot fail; +every representable real value +has a real cube root, +and rounding it to a representable value +never causes overflow nor underflow. .SH RETURN VALUE These functions return the cube root of .IR x . -.PP +.P If .I x is +0, \-0, positive infinity, negative infinity, or NaN, @@ -76,7 +79,6 @@ T{ .BR cbrtl () T} Thread safety MT-Safe .TE -.sp 1 .SH STANDARDS C11, POSIX.1-2008. .SH HISTORY |