LibM: Add scalbn and associated functions

Also implement ldexp in terms of them, and add ldexpl
Author: https://github.com/RealKC Commit: 87b61b0eef Pull-request: https://github.com/SerenityOS/serenity/pull/5688 Issue: https://github.com/SerenityOS/serenity/issues/4282 Reviewed-by: https://github.com/ADKaster Reviewed-by: https://github.com/BenWiederhake Reviewed-by: https://github.com/awesomekling
2025-08-18 00:09:44 +00:00 · 2021-03-07 22:23:57 +02:00 · 2021-03-07 22:23:57 +02:00 · 87b61b0eef · 2024-07-18 21:35:54 +09:00
commit 87b61b0eef
parent 8f7aa1e03a
3 changed files with 88 additions and 2 deletions
--- a/Userland/Libraries/LibM/math.h
+++ b/Userland/Libraries/LibM/math.h
@ -163,6 +163,13 @@ double nexttoward(double, long double) NOEXCEPT;
 float nexttowardf(float, long double) NOEXCEPT;
 long double nexttowardl(long double, long double) NOEXCEPT;

+float scalbnf(float, int) NOEXCEPT;
+double scalbn(double, int) NOEXCEPT;
+long double scalbnl(long double, int) NOEXCEPT;
+float scalbnlf(float, long) NOEXCEPT;
+double scalbln(double, long) NOEXCEPT;
+long double scalblnl(long double, long) NOEXCEPT;
+
 double copysign(double x, double y);

 __END_DECLS