forked from airat77786/MQL5Book
48 lines
1.7 KiB
MQL5
48 lines
1.7 KiB
MQL5
 | //+------------------------------------------------------------------+
| ||
//| TypeFloat.mq5 |
| |||
//| Copyright 2021, MetaQuotes Ltd. |
| |||
//| https://www.mql5.com |
| |||
//+------------------------------------------------------------------+
| |||
| |||
#property copyright "Copyright 2021, MetaQuotes Ltd."
| |||
#property link "https://www.mql5.com"
| |||
#property version "1.00"
| |||
| |||
#define PRT(A) Print(#A, "=", (A))
| |||
| |||
//+------------------------------------------------------------------+
| |||
//| Script program start function |
| |||
//+------------------------------------------------------------------+
| |||
void OnStart()
| |||
{
| |||
double a0 = 123; // ok, a0 = 123.0
| |||
double a1 = 123.0; // ok, a1 = 123.0
| |||
double a2 = 0.123E3; // ok, a2 = 123.0
| |||
double a3 = 12300E-2; // ok, a3 = 123.0
| |||
double b = -.75; // ok, b = -0.75
| |||
double q = LONG_MAX; // warning: truncation, q = 9.223372036854776e+18
| |||
// LONG_MAX = 9223372036854775807
| |||
double d = 9007199254740992; // ok, maximal stable long in double
| |||
| |||
double z = 0.12345678901234567890123456789; // ok, but truncated
| |||
// to 16 digits: z = 0.1234567890123457
| |||
double y1 = 1234.56789; // ok, y1 = 1234.56789
| |||
double y2 = 1234.56789f; // accuracy loss, y2 = 1234.56787109375
| |||
float m = 1000000000.0; // ok, stored as is
| |||
float n = 999999975.0; // warning: truncation, n = 1000000000.0
| |||
| |||
PRT(a0);
| |||
PRT(a1);
| |||
PRT(a2);
| |||
PRT(a3);
| |||
PRT(b);
| |||
PRT(q);
| |||
PRT(d);
| |||
PRT(z);
| |||
PRT(y1);
| |||
PRT(y2);
| |||
PRT(m);
| |||
PRT(n);
| |||
}
| |||
| |||
//+------------------------------------------------------------------+
|