| /// Gets a hex constant value for a single value in the argument values array in a determistic way |
| /// * `bits`: The number of bits for the type, only 8, 16, 32, 64 are valid values |
| /// * `index`: The position in the array we are generating for |
| pub fn value_for_array(bits: u32, index: u32) -> String { |
| let index = index as usize; |
| |
| if bits == 8 { |
| format!("{:#X}", VALUES_8[index % VALUES_8.len()]) |
| } else if bits == 16 { |
| format!("{:#X}", VALUES_16[index % VALUES_16.len()]) |
| } else if bits == 32 { |
| format!("{:#X}", VALUES_32[index % VALUES_32.len()]) |
| } else if bits == 64 { |
| format!("{:#X}", VALUES_64[index % VALUES_64.len()]) |
| } else { |
| panic!("Unknown size: {}", bits); |
| } |
| } |
| |
| pub const VALUES_8: &[u8] = &[ |
| 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, |
| 0xf0, 0x80, 0x3b, 0xff, |
| ]; |
| |
| pub const VALUES_16: &[u16] = &[ |
| 0x0000, // 0.0 |
| 0x0400, // The smallest normal value. |
| 0x37ff, // The value just below 0.5. |
| 0x3800, // 0.5 |
| 0x3801, // The value just above 0.5. |
| 0x3bff, // The value just below 1.0. |
| 0x3c00, // 1.0 |
| 0x3c01, // The value just above 1.0. |
| 0x3e00, // 1.5 |
| 0x4900, // 10 |
| 0x7bff, // The largest finite value. |
| 0x7c00, // Infinity. |
| // NaNs. |
| // - Quiet NaNs |
| 0x7f23, 0x7e00, // - Signalling NaNs |
| 0x7d23, 0x7c01, // Subnormals. |
| // - A recognisable bit pattern. |
| 0x0012, // - The largest subnormal value. |
| 0x03ff, // - The smallest subnormal value. |
| 0x0001, // The same values again, but negated. |
| 0x8000, 0x8400, 0xb7ff, 0xb800, 0xb801, 0xbbff, 0xbc00, 0xbc01, 0xbe00, 0xc900, 0xfbff, 0xfc00, |
| 0xff23, 0xfe00, 0xfd23, 0xfc01, 0x8012, 0x83ff, 0x8001, |
| ]; |
| |
| pub const VALUES_32: &[u32] = &[ |
| // Simple values. |
| 0x00000000, // 0.0 |
| 0x00800000, // The smallest normal value. |
| 0x3effffff, // The value just below 0.5. |
| 0x3f000000, // 0.5 |
| 0x3f000001, // The value just above 0.5. |
| 0x3f7fffff, // The value just below 1.0. |
| 0x3f800000, // 1.0 |
| 0x3f800001, // The value just above 1.0. |
| 0x3fc00000, // 1.5 |
| 0x41200000, // 10 |
| 0x7f8fffff, // The largest finite value. |
| 0x7f800000, // Infinity. |
| // NaNs. |
| // - Quiet NaNs |
| 0x7fd23456, 0x7fc00000, // - Signalling NaNs |
| 0x7f923456, 0x7f800001, // Subnormals. |
| // - A recognisable bit pattern. |
| 0x00123456, // - The largest subnormal value. |
| 0x007fffff, // - The smallest subnormal value. |
| 0x00000001, // The same values again, but negated. |
| 0x80000000, 0x80800000, 0xbeffffff, 0xbf000000, 0xbf000001, 0xbf7fffff, 0xbf800000, 0xbf800001, |
| 0xbfc00000, 0xc1200000, 0xff8fffff, 0xff800000, 0xffd23456, 0xffc00000, 0xff923456, 0xff800001, |
| 0x80123456, 0x807fffff, 0x80000001, |
| ]; |
| |
| pub const VALUES_64: &[u64] = &[ |
| // Simple values. |
| 0x0000000000000000, // 0.0 |
| 0x0010000000000000, // The smallest normal value. |
| 0x3fdfffffffffffff, // The value just below 0.5. |
| 0x3fe0000000000000, // 0.5 |
| 0x3fe0000000000001, // The value just above 0.5. |
| 0x3fefffffffffffff, // The value just below 1.0. |
| 0x3ff0000000000000, // 1.0 |
| 0x3ff0000000000001, // The value just above 1.0. |
| 0x3ff8000000000000, // 1.5 |
| 0x4024000000000000, // 10 |
| 0x7fefffffffffffff, // The largest finite value. |
| 0x7ff0000000000000, // Infinity. |
| // NaNs. |
| // - Quiet NaNs |
| 0x7ff923456789abcd, |
| 0x7ff8000000000000, |
| // - Signalling NaNs |
| 0x7ff123456789abcd, |
| 0x7ff0000000000000, |
| // Subnormals. |
| // - A recognisable bit pattern. |
| 0x000123456789abcd, |
| // - The largest subnormal value. |
| 0x000fffffffffffff, |
| // - The smallest subnormal value. |
| 0x0000000000000001, |
| // The same values again, but negated. |
| 0x8000000000000000, |
| 0x8010000000000000, |
| 0xbfdfffffffffffff, |
| 0xbfe0000000000000, |
| 0xbfe0000000000001, |
| 0xbfefffffffffffff, |
| 0xbff0000000000000, |
| 0xbff0000000000001, |
| 0xbff8000000000000, |
| 0xc024000000000000, |
| 0xffefffffffffffff, |
| 0xfff0000000000000, |
| 0xfff923456789abcd, |
| 0xfff8000000000000, |
| 0xfff123456789abcd, |
| 0xfff0000000000000, |
| 0x800123456789abcd, |
| 0x800fffffffffffff, |
| 0x8000000000000001, |
| ]; |