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atof: lots of fixes

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* removed sprintf for f64 and f32 use

* removed all pointers from the code, used unions instead

* solved module name problem

* fixed tests on vlib/math

* fix for alpine-linux math test

* small fix on byte allocation for ftoa
This commit is contained in:
penguindark
2020-02-26 12:14:06 +01:00
committed by GitHub
parent c4e83faa57
commit 39429f7ac9
9 changed files with 180 additions and 137 deletions
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14
vlib/strconv/atof_test.v
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@@ -3,7 +3,6 @@
* String to float Test
*
**********************************************************************/
import (
strconv
strconv.atofq
@@ -41,15 +40,19 @@ fn test_atof() {
// slow atof
assert strconv.atof64(src_num_str[c]).strlong() == x.strlong()
// quick atof
mut s1 := (atofq.atof_quick(src_num_str[c]).str())
s1 = s1[..src_num_str[c].len]
mut s2 := (x.str())
s2 = s2[..src_num_str[c].len]
assert s1 == s2
delta := s1.f64() - s2.f64()
//println("$s1 $s2 $delta")
assert delta < f64(1e-16)
// test C.atof
assert x.strsci(18) == f64(C.atof(src_num_str[c].str)).strsci(18)
n1 := x.strsci(18)
n2 := f64(C.atof(src_num_str[c].str)).strsci(18)
//println("$n1 $n2")
assert n1 == n2
}
// check conversion case 2 string <==> f64
@@ -71,4 +74,5 @@ fn test_atof() {
// DOUBLE_MINUS_ZERO
f1=-0.0
assert *ptr == u64(0x8000000000000000)
//println("DONE!")
}