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Merge pull request #2191 from Kelimion/build_float

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Don't write leading + unless +Inf or we ask for it.
This commit is contained in:
Jeroen van Rijn
2022-11-14 16:46:10 +01:00
committed by GitHub
parent 682b5fa0d3 677e7ff642
commit 6fe77155b5
1 changed files with 18 additions and 4 deletions
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22
core/strings/builder.odin
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@@ -300,30 +300,44 @@ write_escaped_rune :: proc(b: ^Builder, r: rune, quote: byte, html_safe := false
}
// writes a f64 value into the builder, returns the written amount of characters
write_float :: proc(b: ^Builder, f: f64, fmt: byte, prec, bit_size: int) -> (n: int) {
write_float :: proc(b: ^Builder, f: f64, fmt: byte, prec, bit_size: int, always_signed := false) -> (n: int) {
buf: [384]byte
s := strconv.append_float(buf[:], f, fmt, prec, bit_size)
// If the result starts with a `+` then unless we always want signed results,
// we skip it unless it's followed by an `I` (because of +Inf).
if !always_signed && (buf[0] == '+' && buf[1] != 'I') {
s = s[1:]
}
return write_string(b, s)
}
// writes a f16 value into the builder, returns the written amount of characters
write_f16 :: proc(b: ^Builder, f: f16, fmt: byte) -> (n: int) {
write_f16 :: proc(b: ^Builder, f: f16, fmt: byte, always_signed := false) -> (n: int) {
buf: [384]byte
s := strconv.append_float(buf[:], f64(f), fmt, 2*size_of(f), 8*size_of(f))
if !always_signed && (buf[0] == '+' && buf[1] != 'I') {
s = s[1:]
}
return write_string(b, s)
}
// writes a f32 value into the builder, returns the written amount of characters
write_f32 :: proc(b: ^Builder, f: f32, fmt: byte) -> (n: int) {
write_f32 :: proc(b: ^Builder, f: f32, fmt: byte, always_signed := false) -> (n: int) {
buf: [384]byte
s := strconv.append_float(buf[:], f64(f), fmt, 2*size_of(f), 8*size_of(f))
if !always_signed && (buf[0] == '+' && buf[1] != 'I') {
s = s[1:]
}
return write_string(b, s)
}
// writes a f64 value into the builder, returns the written amount of characters
write_f64 :: proc(b: ^Builder, f: f64, fmt: byte) -> (n: int) {
write_f64 :: proc(b: ^Builder, f: f64, fmt: byte, always_signed := false) -> (n: int) {
buf: [384]byte
s := strconv.append_float(buf[:], f64(f), fmt, 2*size_of(f), 8*size_of(f))
if !always_signed && (buf[0] == '+' && buf[1] != 'I') {
s = s[1:]
}
return write_string(b, s)
}