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Diffstat (limited to 'core/string/ustring.cpp')
-rw-r--r--core/string/ustring.cpp31
1 files changed, 22 insertions, 9 deletions
diff --git a/core/string/ustring.cpp b/core/string/ustring.cpp
index 49cf171f2b..6a19baa94b 100644
--- a/core/string/ustring.cpp
+++ b/core/string/ustring.cpp
@@ -54,7 +54,7 @@
#define snprintf _snprintf_s
#endif
-#define MAX_DIGITS 6
+#define MAX_DECIMALS 32
#define UPPERCASE(m_c) (((m_c) >= 'a' && (m_c) <= 'z') ? ((m_c) - ('a' - 'A')) : (m_c))
#define LOWERCASE(m_c) (((m_c) >= 'A' && (m_c) <= 'Z') ? ((m_c) + ('a' - 'A')) : (m_c))
#define IS_DIGIT(m_d) ((m_d) >= '0' && (m_d) <= '9')
@@ -1379,8 +1379,11 @@ String String::num(double p_num, int p_decimals) {
}
#ifndef NO_USE_STDLIB
- if (p_decimals > 16) {
- p_decimals = 16;
+ if (p_decimals < 0) {
+ p_decimals = 14 - (int)floor(log10(p_num));
+ }
+ if (p_decimals > MAX_DECIMALS) {
+ p_decimals = MAX_DECIMALS;
}
char fmt[7];
@@ -1391,7 +1394,6 @@ String String::num(double p_num, int p_decimals) {
fmt[1] = 'l';
fmt[2] = 'f';
fmt[3] = 0;
-
} else if (p_decimals < 10) {
fmt[2] = '0' + p_decimals;
fmt[3] = 'l';
@@ -1458,8 +1460,9 @@ String String::num(double p_num, int p_decimals) {
double dec = p_num - (double)((int)p_num);
int digit = 0;
- if (p_decimals > MAX_DIGITS)
- p_decimals = MAX_DIGITS;
+ if (p_decimals > MAX_DECIMALS) {
+ p_decimals = MAX_DECIMALS;
+ }
int dec_int = 0;
int dec_max = 0;
@@ -1471,16 +1474,18 @@ String String::num(double p_num, int p_decimals) {
digit++;
if (p_decimals == -1) {
- if (digit == MAX_DIGITS) //no point in going to infinite
+ if (digit == MAX_DECIMALS) { //no point in going to infinite
break;
+ }
if (dec - (double)((int)dec) < 1e-6) {
break;
}
}
- if (digit == p_decimals)
+ if (digit == p_decimals) {
break;
+ }
}
dec *= 10;
int last = (int)dec % 10;
@@ -1616,7 +1621,15 @@ String String::num_real(double p_num) {
double dec = p_num - (double)((int)p_num);
int digit = 0;
- int decimals = MAX_DIGITS;
+
+#if REAL_T_IS_DOUBLE
+ int decimals = 14 - (int)floor(log10(p_num));
+#else
+ int decimals = 6 - (int)floor(log10(p_num));
+#endif
+ if (decimals > MAX_DECIMALS) {
+ decimals = MAX_DECIMALS;
+ }
int dec_int = 0;
int dec_max = 0;