diff options
Diffstat (limited to 'man3/ilogb.3')
| -rw-r--r-- | man3/ilogb.3 | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/man3/ilogb.3 b/man3/ilogb.3 index 100b0c8..69ce0a4 100644 --- a/man3/ilogb.3 +++ b/man3/ilogb.3 @@ -7,7 +7,7 @@ .\" .\" Inspired by a page by Walter Harms created 2002-08-10 .\" -.TH ilogb 3 2023-07-20 "Linux man-pages 6.05.01" +.TH ilogb 3 2023-10-31 "Linux man-pages 6.7" .SH NAME ilogb, ilogbf, ilogbl \- get integer exponent of a floating-point value .SH LIBRARY @@ -16,17 +16,17 @@ Math library .SH SYNOPSIS .nf .B #include <math.h> -.PP +.P .BI "int ilogb(double " x ); .BI "int ilogbf(float " x ); .BI "int ilogbl(long double " x ); .fi -.PP +.P .RS -4 Feature Test Macro Requirements for glibc (see .BR feature_test_macros (7)): .RE -.PP +.P .BR ilogb (): .nf _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L @@ -35,7 +35,7 @@ Feature Test Macro Requirements for glibc (see || /* Since glibc 2.19: */ _DEFAULT_SOURCE || /* glibc <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE .fi -.PP +.P .BR ilogbf (), .BR ilogbl (): .nf @@ -55,7 +55,7 @@ functions, cast to On success, these functions return the exponent of .IR x , as a signed integer. -.PP +.P If .I x is zero, then a domain error occurs, and the functions return @@ -63,14 +63,14 @@ is zero, then a domain error occurs, and the functions return .\" case, but for ilogb() it says domain error. .BR FP_ILOGB0 . .\" glibc: The numeric value is either `INT_MIN' or `-INT_MAX'. -.PP +.P If .I x is a NaN, then a domain error occurs, and the functions return .BR FP_ILOGBNAN . .\" glibc: The numeric value is either `INT_MIN' or `INT_MAX'. .\" On i386, FP_ILOGB0 and FP_ILOGBNAN have the same value. -.PP +.P If .I x is negative infinity or positive infinity, then @@ -88,7 +88,7 @@ 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 0 or a NaN @@ -124,7 +124,6 @@ T{ .BR ilogbl () T} Thread safety MT-Safe .TE -.sp 1 .SH STANDARDS C11, POSIX.1-2008. .SH HISTORY |