From a990de90fe41456a23e58bd087d2f107d321f3a1 Mon Sep 17 00:00:00 2001 From: Valentin Popov Date: Fri, 19 Jul 2024 16:37:58 +0400 Subject: Deleted vendor folder --- vendor/ryu/src/pretty/mod.rs | 224 ------------------------------------------- 1 file changed, 224 deletions(-) delete mode 100644 vendor/ryu/src/pretty/mod.rs (limited to 'vendor/ryu/src/pretty/mod.rs') diff --git a/vendor/ryu/src/pretty/mod.rs b/vendor/ryu/src/pretty/mod.rs deleted file mode 100644 index da49e86..0000000 --- a/vendor/ryu/src/pretty/mod.rs +++ /dev/null @@ -1,224 +0,0 @@ -mod exponent; -mod mantissa; - -use self::exponent::*; -use self::mantissa::*; -use crate::common; -use crate::d2s::{self, *}; -use crate::f2s::*; -use core::ptr; -#[cfg(feature = "no-panic")] -use no_panic::no_panic; - -/// Print f64 to the given buffer and return number of bytes written. -/// -/// At most 24 bytes will be written. -/// -/// ## Special cases -/// -/// This function **does not** check for NaN or infinity. If the input -/// number is not a finite float, the printed representation will be some -/// correctly formatted but unspecified numerical value. -/// -/// Please check [`is_finite`] yourself before calling this function, or -/// check [`is_nan`] and [`is_infinite`] and handle those cases yourself. -/// -/// [`is_finite`]: https://doc.rust-lang.org/std/primitive.f64.html#method.is_finite -/// [`is_nan`]: https://doc.rust-lang.org/std/primitive.f64.html#method.is_nan -/// [`is_infinite`]: https://doc.rust-lang.org/std/primitive.f64.html#method.is_infinite -/// -/// ## Safety -/// -/// The `result` pointer argument must point to sufficiently many writable bytes -/// to hold Ryū's representation of `f`. -/// -/// ## Example -/// -/// ``` -/// use std::{mem::MaybeUninit, slice, str}; -/// -/// let f = 1.234f64; -/// -/// unsafe { -/// let mut buffer = [MaybeUninit::::uninit(); 24]; -/// let len = ryu::raw::format64(f, buffer.as_mut_ptr() as *mut u8); -/// let slice = slice::from_raw_parts(buffer.as_ptr() as *const u8, len); -/// let print = str::from_utf8_unchecked(slice); -/// assert_eq!(print, "1.234"); -/// } -/// ``` -#[must_use] -#[cfg_attr(feature = "no-panic", no_panic)] -pub unsafe fn format64(f: f64, result: *mut u8) -> usize { - let bits = f.to_bits(); - let sign = ((bits >> (DOUBLE_MANTISSA_BITS + DOUBLE_EXPONENT_BITS)) & 1) != 0; - let ieee_mantissa = bits & ((1u64 << DOUBLE_MANTISSA_BITS) - 1); - let ieee_exponent = - (bits >> DOUBLE_MANTISSA_BITS) as u32 & ((1u32 << DOUBLE_EXPONENT_BITS) - 1); - - let mut index = 0isize; - if sign { - *result = b'-'; - index += 1; - } - - if ieee_exponent == 0 && ieee_mantissa == 0 { - ptr::copy_nonoverlapping(b"0.0".as_ptr(), result.offset(index), 3); - return sign as usize + 3; - } - - let v = d2d(ieee_mantissa, ieee_exponent); - - let length = d2s::decimal_length17(v.mantissa) as isize; - let k = v.exponent as isize; - let kk = length + k; // 10^(kk-1) <= v < 10^kk - debug_assert!(k >= -324); - - if 0 <= k && kk <= 16 { - // 1234e7 -> 12340000000.0 - write_mantissa_long(v.mantissa, result.offset(index + length)); - for i in length..kk { - *result.offset(index + i) = b'0'; - } - *result.offset(index + kk) = b'.'; - *result.offset(index + kk + 1) = b'0'; - index as usize + kk as usize + 2 - } else if 0 < kk && kk <= 16 { - // 1234e-2 -> 12.34 - write_mantissa_long(v.mantissa, result.offset(index + length + 1)); - ptr::copy(result.offset(index + 1), result.offset(index), kk as usize); - *result.offset(index + kk) = b'.'; - index as usize + length as usize + 1 - } else if -5 < kk && kk <= 0 { - // 1234e-6 -> 0.001234 - *result.offset(index) = b'0'; - *result.offset(index + 1) = b'.'; - let offset = 2 - kk; - for i in 2..offset { - *result.offset(index + i) = b'0'; - } - write_mantissa_long(v.mantissa, result.offset(index + length + offset)); - index as usize + length as usize + offset as usize - } else if length == 1 { - // 1e30 - *result.offset(index) = b'0' + v.mantissa as u8; - *result.offset(index + 1) = b'e'; - index as usize + 2 + write_exponent3(kk - 1, result.offset(index + 2)) - } else { - // 1234e30 -> 1.234e33 - write_mantissa_long(v.mantissa, result.offset(index + length + 1)); - *result.offset(index) = *result.offset(index + 1); - *result.offset(index + 1) = b'.'; - *result.offset(index + length + 1) = b'e'; - index as usize - + length as usize - + 2 - + write_exponent3(kk - 1, result.offset(index + length + 2)) - } -} - -/// Print f32 to the given buffer and return number of bytes written. -/// -/// At most 16 bytes will be written. -/// -/// ## Special cases -/// -/// This function **does not** check for NaN or infinity. If the input -/// number is not a finite float, the printed representation will be some -/// correctly formatted but unspecified numerical value. -/// -/// Please check [`is_finite`] yourself before calling this function, or -/// check [`is_nan`] and [`is_infinite`] and handle those cases yourself. -/// -/// [`is_finite`]: https://doc.rust-lang.org/std/primitive.f32.html#method.is_finite -/// [`is_nan`]: https://doc.rust-lang.org/std/primitive.f32.html#method.is_nan -/// [`is_infinite`]: https://doc.rust-lang.org/std/primitive.f32.html#method.is_infinite -/// -/// ## Safety -/// -/// The `result` pointer argument must point to sufficiently many writable bytes -/// to hold Ryū's representation of `f`. -/// -/// ## Example -/// -/// ``` -/// use std::{mem::MaybeUninit, slice, str}; -/// -/// let f = 1.234f32; -/// -/// unsafe { -/// let mut buffer = [MaybeUninit::::uninit(); 16]; -/// let len = ryu::raw::format32(f, buffer.as_mut_ptr() as *mut u8); -/// let slice = slice::from_raw_parts(buffer.as_ptr() as *const u8, len); -/// let print = str::from_utf8_unchecked(slice); -/// assert_eq!(print, "1.234"); -/// } -/// ``` -#[must_use] -#[cfg_attr(feature = "no-panic", no_panic)] -pub unsafe fn format32(f: f32, result: *mut u8) -> usize { - let bits = f.to_bits(); - let sign = ((bits >> (FLOAT_MANTISSA_BITS + FLOAT_EXPONENT_BITS)) & 1) != 0; - let ieee_mantissa = bits & ((1u32 << FLOAT_MANTISSA_BITS) - 1); - let ieee_exponent = (bits >> FLOAT_MANTISSA_BITS) & ((1u32 << FLOAT_EXPONENT_BITS) - 1); - - let mut index = 0isize; - if sign { - *result = b'-'; - index += 1; - } - - if ieee_exponent == 0 && ieee_mantissa == 0 { - ptr::copy_nonoverlapping(b"0.0".as_ptr(), result.offset(index), 3); - return sign as usize + 3; - } - - let v = f2d(ieee_mantissa, ieee_exponent); - - let length = common::decimal_length9(v.mantissa) as isize; - let k = v.exponent as isize; - let kk = length + k; // 10^(kk-1) <= v < 10^kk - debug_assert!(k >= -45); - - if 0 <= k && kk <= 13 { - // 1234e7 -> 12340000000.0 - write_mantissa(v.mantissa, result.offset(index + length)); - for i in length..kk { - *result.offset(index + i) = b'0'; - } - *result.offset(index + kk) = b'.'; - *result.offset(index + kk + 1) = b'0'; - index as usize + kk as usize + 2 - } else if 0 < kk && kk <= 13 { - // 1234e-2 -> 12.34 - write_mantissa(v.mantissa, result.offset(index + length + 1)); - ptr::copy(result.offset(index + 1), result.offset(index), kk as usize); - *result.offset(index + kk) = b'.'; - index as usize + length as usize + 1 - } else if -6 < kk && kk <= 0 { - // 1234e-6 -> 0.001234 - *result.offset(index) = b'0'; - *result.offset(index + 1) = b'.'; - let offset = 2 - kk; - for i in 2..offset { - *result.offset(index + i) = b'0'; - } - write_mantissa(v.mantissa, result.offset(index + length + offset)); - index as usize + length as usize + offset as usize - } else if length == 1 { - // 1e30 - *result.offset(index) = b'0' + v.mantissa as u8; - *result.offset(index + 1) = b'e'; - index as usize + 2 + write_exponent2(kk - 1, result.offset(index + 2)) - } else { - // 1234e30 -> 1.234e33 - write_mantissa(v.mantissa, result.offset(index + length + 1)); - *result.offset(index) = *result.offset(index + 1); - *result.offset(index + 1) = b'.'; - *result.offset(index + length + 1) = b'e'; - index as usize - + length as usize - + 2 - + write_exponent2(kk - 1, result.offset(index + length + 2)) - } -} -- cgit v1.2.3