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Change semantics of f32/f64.MIN_VALUE to match JS's Number.MIN_VALUE

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* Also renames MIN_POSITIVE_VALUE to MIN_NORMAL_VALUE
* Also adds POSITIVE_INFINITY/NEGATIVE_INFINITY and NaN
This commit is contained in:
Max Graey
2018-10-01 23:54:00 +03:00
committed by Daniel Wirtz
parent 2874fb9d8a
commit ff87857f40
3 changed files with 123 additions and 25 deletions
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22
std/assembly/builtins.ts
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@ -147,12 +147,15 @@ export namespace bool {
@builtin export declare function f32(value: void): f32;
export namespace f32 {
export const MIN_VALUE = reinterpret<f32>(0xFF7FFFFF); // -0x1.fffffep+127f
export const MAX_VALUE = reinterpret<f32>(0x7F7FFFFF); // 0x1.fffffep+127f
export const MIN_POSITIVE_VALUE = reinterpret<f32>(0x00800000); // 0x1p-126f
export const EPSILON = reinterpret<f32>(0x34000000); // 0x1p-23f
export const MIN_VALUE = reinterpret<f32>(0x00000001); // 0x0.000001p+0f
export const MAX_VALUE = reinterpret<f32>(0x7F7FFFFF); // 0x1.fffffep+127f
export const MIN_NORMAL_VALUE = reinterpret<f32>(0x00800000); // 0x1p-126f
export const MIN_SAFE_INTEGER: f32 = -16777215;
export const MAX_SAFE_INTEGER: f32 = 16777215;
export const EPSILON = reinterpret<f32>(0x34000000); // 0x1p-23f
export const POSITIVE_INFINITY: f32 = Infinity;
export const NEGATIVE_INFINITY: f32 = -Infinity;
export const NaN: f32 = NaN;
@builtin export declare function abs(value: f32): f32;
@builtin export declare function ceil(value: f32): f32;
@builtin export declare function copysign(x: f32, y: f32): f32;
@ -169,12 +172,15 @@ export namespace f32 {
@builtin export declare function f64(value: void): f64;
export namespace f64 {
export const MIN_VALUE = reinterpret<f64>(0xFFEFFFFFFFFFFFFF); // -0x1.fffffffffffffp+1023
export const MAX_VALUE = reinterpret<f64>(0x7FEFFFFFFFFFFFFF); // 0x1.fffffffffffffp+1023
export const MIN_POSITIVE_VALUE = reinterpret<f64>(0x0010000000000000); // 0x1p-1022
export const EPSILON = reinterpret<f64>(0x3CB0000000000000); // 0x1p-52
export const MIN_VALUE = reinterpret<f64>(0x0000000000000001); // 0x0.0000000000001p+0
export const MAX_VALUE = reinterpret<f64>(0x7FEFFFFFFFFFFFFF); // 0x1.fffffffffffffp+1023
export const MIN_NORMAL_VALUE = reinterpret<f64>(0x0010000000000000); // 0x1p-1022
export const MIN_SAFE_INTEGER: f64 = -9007199254740991;
export const MAX_SAFE_INTEGER: f64 = 9007199254740991;
export const EPSILON = reinterpret<f64>(0x3CB0000000000000); // 0x1p-52
export const POSITIVE_INFINITY: f64 = Infinity;
export const NEGATIVE_INFINITY: f64 = -Infinity;
export const NaN: f64 = NaN;
@builtin export declare function abs(value: f64): f64;
@builtin export declare function ceil(value: f64): f64;
@builtin export declare function copysign(x: f64, y: f64): f64;