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Note that conversions from float to double can also lose information about the overall magnitude of the converted value (see rule NUM53-J. Use the strictfp modifier for floating-point calculation consistency across platforms for additional information).
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This method could have unexpected results because of the loss of precision. In FP-strict mode, values of type float have 23 mantissa bits, a sign bit, and an 8-bit exponent (see rule NUM53-J. Use the strictfp modifier for floating-point calculation consistency across platforms for more information about FP-strict mode). The exponent allows type float to represent a larger range than that of type int. However, the 23-bit mantissa means that float supports exact representation only of integers whose representation fits within 23 bits; float supports only approximate representation of integers outside that range.
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Bibliography
[JLS 2005] | |
| [Seacord 2015] |
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