Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 | 1x 1x 6x 6x 4x 4x 2x 2x 2x 1x 5x 5x 2x 2x 3x 3x 3x 1x 6x 6x 4x 4x 2x 2x 2x 1x 5x 5x 3x 3x 2x 2x 2x 1x 6x 6x 4x 4x 2x 2x 2x 2x 1x 6x 6x 3x 3x 3x 3x 3x 1x 6x 6x 3x 3x 3x 3x 3x | import { is_valid_nibble, is_valid_u8, is_valid_u16, is_valid_u32 } from "./validators";
export function two_nibble_to_one_u8(nibble_low: number, nibble_high: number): number {
if (! is_valid_nibble(nibble_low) || ! is_valid_nibble(nibble_high)) {
throw new Error("util::two_nibble_to_one_byte::is_valid_nibble::false");
}
return nibble_low << 4 | nibble_high;
}
export function one_u8_to_two_nibbles(u8: number): [number, number] {
if (! is_valid_u8(u8)) {
throw new Error("util::one_u8_to_two_nibbles::is_valid_u8::false");
}
return [u8 & 0xF, u8 >> 4];
}
export function two_u8_to_u16(byte_low: number, byte_high: number): number {
if (! is_valid_u8(byte_low) || ! is_valid_u8(byte_high)) {
throw new Error(`util::two_u8_to_u16::is_valid_u8::false`);
}
return byte_high << 8 | byte_low;
}
export function one_u16_to_two_u8(u16: number): [number, number] {
if (! is_valid_u16(u16)) {
throw new Error("util::one_u16_to_two_u8::is_valid_u16::false");
}
return [u16 & 0xFF, u16 >> 8];
}
export function two_u16_to_one_u32(low: number, high: number): number {
if (! is_valid_u16(low) || ! is_valid_u16(high)) {
throw new Error("util::two_u16_to_one_u32::is_valid_u16::false");
}
// The >>> 0 simply converts a signed number to an unsigned number.
return (high << 16 >>> 0 | low) >>> 0;
}
export function one_u32_to_two_u16(u32: number): [number, number] {
if (! is_valid_u32(u32)) {
throw new Error("util::one_u32_to_two_u16::is_valid_u32::false");
}
return [u32 & 0xFFFF, u32 >>> 16];
}
export function three_u8_to_u32(byte_low: number, byte_mid: number, byte_high: number): number {
if (! is_valid_u8(byte_low) || ! is_valid_u8(byte_mid) || ! is_valid_u8(byte_high)) {
throw new Error("util::three_u8_to_u32::is_valid_u8::false");
}
return (byte_high << 16) | (byte_mid << 8 | byte_low);
}
|