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Simplify f16 coersion example

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Arya-Elfren 2023-04-28 11:32:45 +01:00 committed by GitHub
parent 116546a996
commit 599bea5705
1 changed files with 3 additions and 6 deletions
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9
exercises/060_floats.zig
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@ -23,15 +23,12 @@
// const pi: f16 = 3.1415926535; // rounds to 3.140625 // const pi: f16 = 3.1415926535; // rounds to 3.140625
// const av: f16 = 6.02214076e+23; // Avogadro's inf(inity)! // const av: f16 = 6.02214076e+23; // Avogadro's inf(inity)!
// //
// A float literal has a decimal point. When performing math // A float literal doesn't need a decimal point. When performing math
// operations with numeric literals, ensure the types match. Zig // operations with numeric literals, ensure the types match. Zig
// does not perform unsafe type coercions behind your back: // does not perform unsafe type coercions behind your back:
// //
// fn foo(bar: u16) f16 { return 13.5 * bar; } // ERROR! // var foo: f16 = 5; // NO ERROR
// var foo: f16 = 13.5 * @as(u8, 5); // ERROR! // var foo: f16 = @as(u16, 5); // ERROR
// var foo: f16 = 13.5 * 5; // This is a safe compile-time
// // conversion, so no problem!
// var foo: f16 = 13.5 * 5.0; // No problem, both are floats
// //
// Please fix the two float problems with this program and // Please fix the two float problems with this program and
// display the result as a whole number. // display the result as a whole number.