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Diffstat (limited to 'man3/scalbln.3')
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diff --git a/man3/scalbln.3 b/man3/scalbln.3 deleted file mode 100644 index beeeff4..0000000 --- a/man3/scalbln.3 +++ /dev/null @@ -1,174 +0,0 @@ -'\" t -.\" Copyright 2004 Andries Brouwer <aeb@cwi.nl>. -.\" and Copyright 2008, Linux Foundation, written by Michael Kerrisk -.\" <mtk.manpages@gmail.com> -.\" -.\" SPDX-License-Identifier: Linux-man-pages-copyleft -.\" -.TH scalbln 3 2023-10-31 "Linux man-pages 6.7" -.SH NAME -scalbn, scalbnf, scalbnl, scalbln, scalblnf, scalblnl \- -multiply floating-point number by integral power of radix -.SH LIBRARY -Math library -.RI ( libm ", " \-lm ) -.SH SYNOPSIS -.nf -.B #include <math.h> -.P -.BI "double scalbln(double " x ", long " exp ); -.BI "float scalblnf(float " x ", long " exp ); -.BI "long double scalblnl(long double " x ", long " exp ); -.P -.BI "double scalbn(double " x ", int " exp ); -.BI "float scalbnf(float " x ", int " exp ); -.BI "long double scalbnl(long double " x ", int " exp ); -.fi -.P -.RS -4 -Feature Test Macro Requirements for glibc (see -.BR feature_test_macros (7)): -.RE -.P -.BR scalbln (), -.BR scalblnf (), -.BR scalblnl (): -.nf - _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L - || /* Since glibc 2.19: */ _DEFAULT_SOURCE -.fi -.P -.BR scalbn (), -.BR scalbnf (), -.BR scalbnl (): -.nf - _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L - || /* Since glibc 2.19: */ _DEFAULT_SOURCE - || /* glibc <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE -.fi -.SH DESCRIPTION -These functions multiply their first argument -.I x -by -.B FLT_RADIX -(probably 2) -to the power of -.IR exp , -that is: -.P -.nf - x * FLT_RADIX ** exp -.fi -.P -The definition of -.B FLT_RADIX -can be obtained by including -.IR <float.h> . -.\" not in /usr/include but in a gcc lib -.SH RETURN VALUE -On success, these functions return -.I x -* -.B FLT_RADIX -** -.IR exp . -.P -If -.I x -is a NaN, a NaN is returned. -.P -If -.I x -is positive infinity (negative infinity), -positive infinity (negative infinity) is returned. -.P -If -.I x -is +0 (\-0), +0 (\-0) is returned. -.P -If the result overflows, -a range error occurs, -and the functions return -.BR HUGE_VAL , -.BR HUGE_VALF , -or -.BR HUGE_VALL , -respectively, with a sign the same as -.IR x . -.P -If the result underflows, -a range error occurs, -and the functions return zero, with a sign the same as -.IR x . -.SH ERRORS -See -.BR math_error (7) -for information on how to determine whether an error has occurred -when calling these functions. -.P -The following errors can occur: -.TP -Range error, overflow -.\" .I errno -.\" is set to -.\" .BR ERANGE . -An overflow floating-point exception -.RB ( FE_OVERFLOW ) -is raised. -.TP -Range error, underflow -.I errno -is set to -.BR ERANGE . -An underflow floating-point exception -.RB ( FE_UNDERFLOW ) -is raised. -.SH ATTRIBUTES -For an explanation of the terms used in this section, see -.BR attributes (7). -.TS -allbox; -lbx lb lb -l l l. -Interface Attribute Value -T{ -.na -.nh -.BR scalbn (), -.BR scalbnf (), -.BR scalbnl (), -.BR scalbln (), -.BR scalblnf (), -.BR scalblnl () -T} Thread safety MT-Safe -.TE -.SH STANDARDS -C11, POSIX.1-2008. -.SH HISTORY -glibc 2.1. -C99, POSIX.1-2001. -.SH HISTORY -These functions differ from the obsolete functions described in -.BR scalb (3) -in the type of their second argument. -The functions described on this page have a second argument -of an integral type, while those in -.BR scalb (3) -have a second argument of type -.IR double . -.SH NOTES -If -.B FLT_RADIX -equals 2 (which is usual), then -.BR scalbn () -is equivalent to -.BR ldexp (3). -.SH BUGS -Before glibc 2.20, -.\" https://www.sourceware.org/bugzilla/show_bug.cgi?id=6803 -these functions did not set -.I errno -for range errors. -.SH SEE ALSO -.BR ldexp (3), -.BR scalb (3) |