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Convert int-to-string directly, without double, see #999 (#1009)

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Michał Moskal 2018-07-31 14:41:31 -07:00 committed by GitHub
parent 0ff39eb989
commit b0eee4afe5
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1 changed files with 7 additions and 5 deletions
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12
libs/core/core.cpp
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@ -4,10 +4,8 @@
using namespace std;
#define p10(v) __builtin_powi(10, v)
namespace pxt {
static HandlerBinding *handlerBindings;
@ -610,7 +608,7 @@ void mycvt(double d, char *buf) {
int sig = 0;
while (sig < 17 || beforeDot > 0) {
//printf("%f sig=%d bd=%d\n", d, sig, beforeDot);
// printf("%f sig=%d bd=%d\n", d, sig, beforeDot);
int c = (int)d;
*buf++ = '0' + c;
d = (d - c) * 10;
@ -626,7 +624,7 @@ void mycvt(double d, char *buf) {
if (*buf == '.')
buf--;
buf++;
if (e != 1) {
*buf++ = 'e';
itoa(e, buf);
@ -635,7 +633,6 @@ void mycvt(double d, char *buf) {
}
}
//%
String toString(TValue v) {
@ -654,6 +651,11 @@ String toString(TValue v) {
} else if (t == ValType::Number) {
char buf[64];
if (isNumber(v)) {
itoa(numValue(v), buf);
return mkString(buf);
}
double x = toDouble(v);
if (isnan(x))