42 lines
1.3 KiB
Rust
42 lines
1.3 KiB
Rust
#[doc = "Operations and constants for `i32`"];
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const min_value: i32 = -1i32 << 31i32;
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const max_value: i32 = (-1i32 << 31i32) - 1i32;
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pure fn min(x: i32, y: i32) -> i32 { if x < y { x } else { y } }
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pure fn max(x: i32, y: i32) -> i32 { if x > y { x } else { y } }
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pure fn add(x: i32, y: i32) -> i32 { x + y }
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pure fn sub(x: i32, y: i32) -> i32 { x - y }
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pure fn mul(x: i32, y: i32) -> i32 { x * y }
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pure fn div(x: i32, y: i32) -> i32 { x / y }
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pure fn rem(x: i32, y: i32) -> i32 { x % y }
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pure fn lt(x: i32, y: i32) -> bool { x < y }
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pure fn le(x: i32, y: i32) -> bool { x <= y }
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pure fn eq(x: i32, y: i32) -> bool { x == y }
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pure fn ne(x: i32, y: i32) -> bool { x != y }
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pure fn ge(x: i32, y: i32) -> bool { x >= y }
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pure fn gt(x: i32, y: i32) -> bool { x > y }
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pure fn is_positive(x: i32) -> bool { x > 0i32 }
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pure fn is_negative(x: i32) -> bool { x < 0i32 }
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pure fn is_nonpositive(x: i32) -> bool { x <= 0i32 }
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pure fn is_nonnegative(x: i32) -> bool { x >= 0i32 }
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#[doc = "Iterate over the range [`lo`..`hi`)"]
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fn range(lo: i32, hi: i32, it: fn(i32)) {
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let mut i = lo;
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while i < hi { it(i); i += 1i32; }
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}
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#[doc = "Computes the bitwise complement"]
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pure fn compl(i: i32) -> i32 {
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u32::compl(i as u32) as i32
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}
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#[doc = "Computes the absolute value"]
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pure fn abs(i: i32) -> i32 {
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if is_negative(i) { -i } else { i }
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}
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