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Change casting syntax: cast(T)x transmute(T)x et al.

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This commit is contained in:
Ginger Bill
2017-01-25 19:19:25 +00:00
parent 12498b2d39
commit b59a052e32
24 changed files with 655 additions and 540 deletions
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core/math.odin
+17 -7
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@@ -42,14 +42,24 @@ lerp :: proc(a, b, t: f64) -> f64 { return a*(1-t) + b*t; }
sign :: proc(x: f32) -> f32 { if x >= 0 { return +1; } return -1; }
sign :: proc(x: f64) -> f64 { if x >= 0 { return +1; } return -1; }
bit_reverse :: proc(b: u16) -> u16 #foreign "llvm.bitreverse.i16"
bit_reverse :: proc(b: u32) -> u32 #foreign "llvm.bitreverse.i32"
bit_reverse :: proc(b: u64) -> u64 #foreign "llvm.bitreverse.i64"
byte_swap :: proc(b: u16) -> u16 #foreign "llvm.bswap.i16"
byte_swap :: proc(b: u32) -> u32 #foreign "llvm.bswap.i32"
byte_swap :: proc(b: u64) -> u64 #foreign "llvm.bswap.i64"
fmuladd :: proc(a, b, c: f32) -> f32 #foreign "llvm.fmuladd.f32"
fmuladd :: proc(a, b, c: f64) -> f64 #foreign "llvm.fmuladd.f64"
copy_sign :: proc(x, y: f32) -> f32 {
ix := transmute(u32, x);
iy := transmute(u32, y);
ix := transmute(u32)x;
iy := transmute(u32)y;
ix &= 0x7fffffff;
ix |= iy & 0x80000000;
return transmute(f32, ix);
return transmute(f32)ix;
}
round :: proc(x: f32) -> f32 {
if x >= 0 {
@@ -59,15 +69,15 @@ round :: proc(x: f32) -> f32 {
}
floor :: proc(x: f32) -> f32 {
if x >= 0 {
return f32(int(x));
return cast(f32)cast(int)x;
}
return f32(int(x-0.5));
return cast(f32)cast(int)(x-0.5);
}
ceil :: proc(x: f32) -> f32 {
if x < 0 {
return f32(int(x));
return cast(f32)cast(int)x;
}
return f32(int(x)+1);
return cast(f32)cast(int)(x+1);
}
remainder32 :: proc(x, y: f32) -> f32 {