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/serde_json/src/lexical/exponent.rs | 50 ------------------------------- 1 file changed, 50 deletions(-) delete mode 100644 vendor/serde_json/src/lexical/exponent.rs (limited to 'vendor/serde_json/src/lexical/exponent.rs') diff --git a/vendor/serde_json/src/lexical/exponent.rs b/vendor/serde_json/src/lexical/exponent.rs deleted file mode 100644 index 6fc5197..0000000 --- a/vendor/serde_json/src/lexical/exponent.rs +++ /dev/null @@ -1,50 +0,0 @@ -// Adapted from https://github.com/Alexhuszagh/rust-lexical. - -//! Utilities to calculate exponents. - -/// Convert usize into i32 without overflow. -/// -/// This is needed to ensure when adjusting the exponent relative to -/// the mantissa we do not overflow for comically-long exponents. -#[inline] -fn into_i32(value: usize) -> i32 { - if value > i32::max_value() as usize { - i32::max_value() - } else { - value as i32 - } -} - -// EXPONENT CALCULATION - -// Calculate the scientific notation exponent without overflow. -// -// For example, 0.1 would be -1, and 10 would be 1 in base 10. -#[inline] -pub(crate) fn scientific_exponent( - exponent: i32, - integer_digits: usize, - fraction_start: usize, -) -> i32 { - if integer_digits == 0 { - let fraction_start = into_i32(fraction_start); - exponent.saturating_sub(fraction_start).saturating_sub(1) - } else { - let integer_shift = into_i32(integer_digits - 1); - exponent.saturating_add(integer_shift) - } -} - -// Calculate the mantissa exponent without overflow. -// -// Remove the number of digits that contributed to the mantissa past -// the dot, and add the number of truncated digits from the mantissa, -// to calculate the scaling factor for the mantissa from a raw exponent. -#[inline] -pub(crate) fn mantissa_exponent(exponent: i32, fraction_digits: usize, truncated: usize) -> i32 { - if fraction_digits > truncated { - exponent.saturating_sub(into_i32(fraction_digits - truncated)) - } else { - exponent.saturating_add(into_i32(truncated - fraction_digits)) - } -} -- cgit v1.2.3