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js,strconv: port some functions to JS backend, improve rune.str() (#12460)

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playX
2021-11-14 22:06:58 +03:00
committed by GitHub
parent 460f4523aa
commit e3d98b1b28
5 changed files with 185 additions and 82 deletions
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79
vlib/strconv/utilities.c.v
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@@ -303,82 +303,3 @@ pub fn fxx_to_str_l_parse_no_dot(s string) string {
res[r_i] = 0
return unsafe { tos(res.data, r_i) }
}
// dec_digits return the number of decimal digit of an u64
pub fn dec_digits(n u64) int {
if n <= 9_999_999_999 { // 1-10
if n <= 99_999 { // 5
if n <= 99 { // 2
if n <= 9 { // 1
return 1
} else {
return 2
}
} else {
if n <= 999 { // 3
return 3
} else {
if n <= 9999 { // 4
return 4
} else {
return 5
}
}
}
} else {
if n <= 9_999_999 { // 7
if n <= 999_999 { // 6
return 6
} else {
return 7
}
} else {
if n <= 99_999_999 { // 8
return 8
} else {
if n <= 999_999_999 { // 9
return 9
}
return 10
}
}
}
} else {
if n <= 999_999_999_999_999 { // 5
if n <= 999_999_999_999 { // 2
if n <= 99_999_999_999 { // 1
return 11
} else {
return 12
}
} else {
if n <= 9_999_999_999_999 { // 3
return 13
} else {
if n <= 99_999_999_999_999 { // 4
return 14
} else {
return 15
}
}
}
} else {
if n <= 99_999_999_999_999_999 { // 7
if n <= 9_999_999_999_999_999 { // 6
return 16
} else {
return 17
}
} else {
if n <= 999_999_999_999_999_999 { // 8
return 18
} else {
if n <= 9_999_999_999_999_999_999 { // 9
return 19
}
return 20
}
}
}
}
}