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GCC supports additional numeric types, including larger integer types, integer and floating-point complex types, additional floating-point sizes and formats, decimal floating types, and fixed-point types.
| __int128: | 128-bit integers__int128. |
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| Long Long: | Double-word integerslong long int. |
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| Complex: | Data types for complex numbers. | |
| Floating Types: | Additional Floating Types. | |
| Half-Precision: | Half-Precision Floating Point. | |
| Decimal Float: | Decimal Floating Types. | |
| Fixed-Point: | Fixed-Point Types. |