aboutsummaryrefslogtreecommitdiff
path: root/vendor/ryu/src/pretty/mantissa.rs
diff options
context:
space:
mode:
Diffstat (limited to 'vendor/ryu/src/pretty/mantissa.rs')
-rw-r--r--vendor/ryu/src/pretty/mantissa.rs82
1 files changed, 0 insertions, 82 deletions
diff --git a/vendor/ryu/src/pretty/mantissa.rs b/vendor/ryu/src/pretty/mantissa.rs
deleted file mode 100644
index 0149f5c..0000000
--- a/vendor/ryu/src/pretty/mantissa.rs
+++ /dev/null
@@ -1,82 +0,0 @@
-use crate::digit_table::*;
-use core::ptr;
-
-#[cfg_attr(feature = "no-panic", inline)]
-pub unsafe fn write_mantissa_long(mut output: u64, mut result: *mut u8) {
- if (output >> 32) != 0 {
- // One expensive 64-bit division.
- let mut output2 = (output - 100_000_000 * (output / 100_000_000)) as u32;
- output /= 100_000_000;
-
- let c = output2 % 10_000;
- output2 /= 10_000;
- let d = output2 % 10_000;
- let c0 = (c % 100) << 1;
- let c1 = (c / 100) << 1;
- let d0 = (d % 100) << 1;
- let d1 = (d / 100) << 1;
- ptr::copy_nonoverlapping(
- DIGIT_TABLE.as_ptr().offset(c0 as isize),
- result.offset(-2),
- 2,
- );
- ptr::copy_nonoverlapping(
- DIGIT_TABLE.as_ptr().offset(c1 as isize),
- result.offset(-4),
- 2,
- );
- ptr::copy_nonoverlapping(
- DIGIT_TABLE.as_ptr().offset(d0 as isize),
- result.offset(-6),
- 2,
- );
- ptr::copy_nonoverlapping(
- DIGIT_TABLE.as_ptr().offset(d1 as isize),
- result.offset(-8),
- 2,
- );
- result = result.offset(-8);
- }
- write_mantissa(output as u32, result);
-}
-
-#[cfg_attr(feature = "no-panic", inline)]
-pub unsafe fn write_mantissa(mut output: u32, mut result: *mut u8) {
- while output >= 10_000 {
- let c = output - 10_000 * (output / 10_000);
- output /= 10_000;
- let c0 = (c % 100) << 1;
- let c1 = (c / 100) << 1;
- ptr::copy_nonoverlapping(
- DIGIT_TABLE.as_ptr().offset(c0 as isize),
- result.offset(-2),
- 2,
- );
- ptr::copy_nonoverlapping(
- DIGIT_TABLE.as_ptr().offset(c1 as isize),
- result.offset(-4),
- 2,
- );
- result = result.offset(-4);
- }
- if output >= 100 {
- let c = (output % 100) << 1;
- output /= 100;
- ptr::copy_nonoverlapping(
- DIGIT_TABLE.as_ptr().offset(c as isize),
- result.offset(-2),
- 2,
- );
- result = result.offset(-2);
- }
- if output >= 10 {
- let c = output << 1;
- ptr::copy_nonoverlapping(
- DIGIT_TABLE.as_ptr().offset(c as isize),
- result.offset(-2),
- 2,
- );
- } else {
- *result.offset(-1) = b'0' + output as u8;
- }
-}