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Merge pull request #2300 from MarenFayre/float-format

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Clean up float_fmt logic
This commit is contained in:
gingerBill
2023-01-10 15:46:54 +00:00
committed by GitHub
parent b0756f9e29 fd4633eb25
commit 86511d44e4
1 changed files with 5 additions and 12 deletions
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17
core/fmt/fmt.odin
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@@ -866,23 +866,16 @@ _pad :: proc(fi: ^Info, s: string) {
}
_fmt_float_as :: proc(fi: ^Info, v: f64, bit_size: int, verb: rune, float_fmt: byte) {
prec: int = 3
if fi.prec_set {
prec = fi.prec
}
prec := fi.prec if fi.prec_set else 3
buf: [386]byte
// Can return "NaN", "+Inf", "-Inf", "+<value>", "-<value>".
str := strconv.append_float(buf[:], v, float_fmt, prec, bit_size)
assert(len(str) >= 2)
if !fi.plus { // '+' modifier means preserve all signs.
switch {
case str[0] == 'N': // Not a "NaN"
case str[1] == 'I': // Not a "±Inf"
case str[0] == '+': // Found "+<value>"
// Strip + sign
str = str[1:]
if !fi.plus {
// Strip sign from "+<value>" but not "+Inf".
if str[0] == '+' && str[1] != 'I' {
str = str[1:]
}
}