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alemures/doubleToRawLongBits.c

Last active September 15, 2016 10:58
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Convert a double to long in ANSI C (Java's doubleToRawLongBits)
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doubleToRawLongBits.c
// Make sure that unsigned long is 8 bytes of length
unsigned long utilDoubleToLong(double value) {
unsigned long longValue;
memcpy(&longValue, &value, sizeof(unsigned long));
return longValue;
}
double utilLongToDouble(unsigned long value) {
double doubleValue;
memcpy(&doubleValue, &value, sizeof(unsigned long));
return doubleValue;
}
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