Relintai/sdl2_frt
1
0
Fork 0
mirror of https://github.com/Relintai/sdl2_frt.git synced 2024-12-16 11:06:49 +01:00
Code Issues Packages Projects Releases Wiki Activity

stdlib: An implementation of SDL_scalbn using ldexp() (thanks, Ozkan!).

Browse Source 
Fixes Bugzilla #3767.
This commit is contained in:
Ryan C. Gordon 2017-08-29 00:36:17 -04:00
parent a0cd7d6bce
commit 620f5342b5
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/stdlib/SDL_stdlib.c
View File

@ -187,6 +187,10 @@ SDL_scalbn(double x, int n)
return scalbn(x, n);
#elif defined(HAVE__SCALB)
return _scalb(x, n);
#elif defined(HAVE_LIBC) && defined(HAVE_FLOAT_H) && (FLT_RADIX == 2)
/* from scalbn(3): If FLT_RADIX equals 2 (which is
* usual), then scalbn() is equivalent to ldexp(3). */
return ldexp(x, n);
#else
return SDL_uclibc_scalbn(x, n);
#endif /* HAVE_SCALBN */