mirrors/SDL
1
0
Fork 0
mirror of https://github.com/libsdl-org/SDL.git synced 2025-09-17 00:38:12 +00:00
Code Issues Packages Projects Releases Wiki Activity

Renamed SDL_rand() to SDL_rand_bits() and updated tests

Browse Source
This commit is contained in:
John Kaniarz
2024-06-19 15:31:00 -04:00
committed by Sam Lantinga
parent 237bbfcb9d
commit 8f29f8cae5
12 changed files with 110 additions and 98 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
src/stdlib/SDL_random.c
View File

@@ -34,7 +34,7 @@ void SDL_srand(Uint64 seed)
SDL_rand_initialized = SDL_TRUE;
}
Uint32 SDL_rand(void)
Uint32 SDL_rand_bits(void)
{
if(!SDL_rand_initialized) {
SDL_srand(0);
@@ -61,14 +61,14 @@ Uint32 SDL_rand(void)
return (Uint32)(SDL_rand_state >> 32);
}
Uint32 SDL_rand_n(Uint32 n)
Sint32 SDL_rand_n(Sint32 n)
{
// On 32-bit arch, the compiler will optimize to a single 32-bit multiply
Uint64 val = (Uint64)SDL_rand() * n;
return (Uint32)(val >> 32);
Uint64 val = (Uint64)SDL_rand_bits() * n;
return (Sint32)(val >> 32);
}
float SDL_rand_float(void)
{
return (SDL_rand() >> (32-24)) * 0x1p-24f;
return (SDL_rand_bits() >> (32-24)) * 0x1p-24f;
}