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52 lines
1.5 KiB
V
52 lines
1.5 KiB
V
module strconv
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/*
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f32/f64 ftoa functions
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Copyright (c) 2019-2023 Dario Deledda. All rights reserved.
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Use of this source code is governed by an MIT license
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that can be found in the LICENSE file.
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This file contains the f32/f64 ftoa functions
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These functions are based on the work of:
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Publication:PLDI 2018: Proceedings of the 39th ACM SIGPLAN
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Conference on Programming Language Design and ImplementationJune 2018
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Pages 270–282 https://doi.org/10.1145/3192366.3192369
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inspired by the Go version here:
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https://github.com/cespare/ryu/tree/ba56a33f39e3bbbfa409095d0f9ae168a595feea
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*/
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// ftoa_64 returns a string in scientific notation with max 17 digits after the dot.
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//
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// Example: assert strconv.ftoa_64(123.1234567891011121) == '1.2312345678910111e+02'
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[inline]
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pub fn ftoa_64(f f64) string {
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return f64_to_str(f, 17)
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}
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// ftoa_long_64 returns `f` as a `string` in decimal notation with a maximum of 17 digits after the dot.
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//
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// Example: assert strconv.f64_to_str_l(123.1234567891011121) == '123.12345678910111'
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[inline]
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pub fn ftoa_long_64(f f64) string {
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return f64_to_str_l(f)
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}
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// ftoa_32 returns a `string` in scientific notation with max 8 digits after the dot.
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//
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// Example: assert strconv.ftoa_32(34.1234567) == '3.4123455e+01'
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[inline]
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pub fn ftoa_32(f f32) string {
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return f32_to_str(f, 8)
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}
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// ftoa_long_32 returns `f` as a `string` in decimal notation with a maximum of 6 digits after the dot.
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//
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// Example: assert strconv.ftoa_long_32(34.1234567) == '34.12346'
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[inline]
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pub fn ftoa_long_32(f f32) string {
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return f32_to_str_l(f)
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}
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