Maintaining and repairing the device
6.6 Configure IOT2050 SM
SIMATIC IOT2050
Operating Instructions, 03/2024, A5E39456816-AF
85
power_count -= 1;
}
mantissa_int += 1;
return pow(-1, sign) * mantissa_int * pow(2, exponent);
}
Example: converts real to float with Python
def real_to_float(u32:int) -> float:
"""
Convert IEEE754 floating point.
"""
sign = u32 >> 31
exponent = ((u32 >> 23) & 0xFF) - 127
mantissa = u32 & 0x7FFFFF
power_count = -1
mantissa_int = 0
for i in range(0, 23):
mantissa_int += ((mantissa >> (22 - i)) & 1) * pow(2,
power_count)
power_count -= 1
mantissa_int += 1
return pow(-1, sign) * mantissa_int * pow(2, exponent)
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