commit 835af528d383f35a80405c62faf8923245ba8506
parent 620b4405b4056905e10f3e628549a2d797f29c8e
Author: Robert Russell <robert@rr3.xyz>
Date: Sat, 26 Oct 2024 16:28:36 -0700
Add the sign operation to the math module
Diffstat:
| M | inc/math.h | | | 42 | ++++++++++++++++++++++++++++-------------- |
1 file changed, 28 insertions(+), 14 deletions(-)
diff --git a/inc/math.h b/inc/math.h
@@ -7,48 +7,36 @@
/* ----- Clamp ----- */
-#define CLAMP(T, x) \
- static inline T r_clamp##x(T x, T min, T max) { \
+#define CLAMP(T, t) \
+ static inline T r_clamp##t(T x, T min, T max) { \
return x < min ? min : x > max ? max : x; \
}
CLAMP(char, c)
CLAMP(schar, sc)
CLAMP(uchar, uc)
-
CLAMP(short, s)
CLAMP(ushort, us)
-
CLAMP(int, i)
CLAMP(uint, ui)
-
CLAMP(long, l)
CLAMP(ulong, ul)
-
CLAMP(llong, ll)
CLAMP(ullong, ull)
-
CLAMP(i8, i8)
CLAMP(u8, u8)
-
CLAMP(i16, i16)
CLAMP(u16, u16)
-
CLAMP(i32, i32)
CLAMP(u32, u32)
-
CLAMP(i64, i64)
CLAMP(u64, u64)
-
CLAMP(imax, imax)
CLAMP(umax, umax)
-
CLAMP(iptr, iptr)
CLAMP(uptr, uptr)
-
CLAMP(isize, isize)
CLAMP(usize, usize)
-
CLAMP(f32, f32)
CLAMP(f64, f64)
@@ -59,3 +47,29 @@ CLAMP(f64, f64)
#define r_sqrtf32 sqrtf
#define r_sqrtf64 sqrt
+
+
+/* ----- Sign ----- */
+
+#define SIGN(T, t) \
+ static inline T r_sign##t(T x) { \
+ return (x > (T)0) - (x < (T)0); \
+ }
+
+SIGN(char, c)
+SIGN(schar, sc)
+SIGN(short, s)
+SIGN(int, i)
+SIGN(long, l)
+SIGN(llong, ll)
+SIGN(i8, i8)
+SIGN(i16, i16)
+SIGN(i32, i32)
+SIGN(i64, i64)
+SIGN(imax, imax)
+SIGN(iptr, iptr)
+SIGN(isize, isize)
+SIGN(f32, f32)
+SIGN(f64, f64)
+
+#undef SIGN
