Added math function (rand between range)

sparky-game · Jan 18, 2025 · 6f6697a · 6f6697a
1 parent f39824e
commit 6f6697a
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Showing 2 changed files with 6 additions and 1 deletion.
diff --git a/carbon.h b/carbon.h
@@ -320,7 +320,8 @@ typedef struct {
 } CBN_Row;
 
 CARBON_API void carbon_math_srand(u64 seed);
-CARBON_API int carbon_math_rand(void);
+CARBON_API i32 carbon_math_rand(void);
+CARBON_API i32 carbon_math_rand_between(i32 min, i32 max);
 CARBON_API f32 carbon_math_randf(void);
 CARBON_API void carbon_math_mt19937_64_srand(u64 seed);
 CARBON_API u64 carbon_math_mt19937_64_rand(void);

diff --git a/src/carbon_math.c b/src/carbon_math.c
@@ -24,6 +24,10 @@ i32 carbon_math_rand(void) {
   return carbon_math__rand_seed >> 33;
 }
 
+i32 carbon_math_rand_between(i32 min, i32 max) {
+  return carbon_math_rand() % (max + 1 - min) + min;
+}
+
 f32 carbon_math_randf(void) {
   return (f32) carbon_math_rand() / (f32) CARBON_RAND_MAX;
 }