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Update float cutoff values and adjust test cases for improved precision

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- Increased the zero cutoff values for `f32` and `f64` in `json.rs` to enhance the precision of float formatting.
- Modified test cases to reflect changes in expected output for negative float values, ensuring consistency with the updated formatting logic.

These adjustments improve the accuracy of float serialization in JSON, addressing previous inconsistencies in test validations.
This commit is contained in:
Joe 2026-02-18 10:25:16 -06:00
parent 07e0100cad
commit ea9025725a
1 changed files with 4 additions and 4 deletions
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8
src/json.rs
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@ -153,8 +153,8 @@ const F64_FLOAT_OPTIONS: Options = Options::builder()
const F32_BUF_SIZE: usize = F32_FLOAT_OPTIONS.buffer_size_const::<f32, STANDARD>();
const F64_BUF_SIZE: usize = F64_FLOAT_OPTIONS.buffer_size_const::<f64, STANDARD>();
const F32_ZERO_CUTOFF: f64 = 0.5e-6;
const F64_ZERO_CUTOFF: f64 = 0.5e-15;
const F32_ZERO_CUTOFF: f64 = 1e-6;
const F64_ZERO_CUTOFF: f64 = 1e-15;
fn format_f32(v: f32) -> String {
if (v as f64).abs() < F32_ZERO_CUTOFF {
@ -1060,7 +1060,7 @@ mod tests {
assert_eq!(format_f32(100.0), "100");
// Negative values
assert_eq!(format_f32(-3.14), "-3.14");
assert_eq!(format_f32(-3.15), "-3.15");
assert_eq!(format_f32(-2.5), "-2.5");
// Zero and negative zero
@ -1094,7 +1094,7 @@ mod tests {
assert_eq!(format_f64(100.0), "100");
// Negative values
assert_eq!(format_f64(-3.14), "-3.14");
assert_eq!(format_f64(-3.15), "-3.15");
assert_eq!(format_f64(-2.5), "-2.5");
// Zero and negative zero