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Family Day update

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Ingy döt Net 2020-02-17 23:21:07 -08:00
parent aac6731f2c
commit 9ad63ea473
2442 changed files with 39761 additions and 8255 deletions
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1
Task/Integer-overflow/Julia/integer-overflow-1.julia
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@ -1,3 +1,4 @@
using Printf
S = subtypes(Signed)
U = subtypes(Unsigned)

28
Task/Integer-overflow/Rust/integer-overflow-2.rust
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@ -1,21 +1,9 @@
// The following will panic!, but only in release mode
let u32_1 : u32 = !4_294_967_295 + 1;
let u32_2 : u32 = 3_000_000_000 + 3_000_000_000;
let u32_3 : u32 = 2_147_483_647 - 4_294_967_295;
let u32_4 : u32 = 65_537 * 65_537;
// The following will never panic!
println!("{:?}", 65_537u32.checked_mul(65_537)); // None
println!("{:?}", 65_537u32.saturating_mul(65_537)); // 4294967295
println!("{:?}", 65_537u32.wrapping_mul(65_537)); // 131073
// The following panics! in release mode
let u64_1 : u64 = !18_446_744_073_709_551_615 + 1;
let u64_2 : u64 = 10_000_000_000_000_000_000 + 10_000_000_000_000_000_000;
let u64_3 : u64 = 9_223_372_036_854_775_807 - 18_446_744_073_709_551_615;
let u64_4 : u64 = 4_294_967_296 * 4_294_967_296;
println!("{}", u32_1); // 1
println!("{}", u32_2); // 1705032704
println!("{}", u32_3); // 2147483648
println!("{}", u32_4); // 131703
println!("{}", u64_1); // 1
println!("{}", u64_2); // 1553255926290448384
println!("{}", u64_3); // 9223372036854775808
println!("{}", u64_4); // 0
// These will never panic! either
println!("{:?}", 65_537i32.checked_mul(65_537)); // None
println!("{:?}", 65_537i32.saturating_mul(65_537)); // 2147483647
println!("{:?}", 65_537i32.wrapping_mul(-65_537)); // -131073