Mojo function
mulwide
mulwide(a: SIMD[uint32, 1], b: SIMD[uint32, 1]) -> SIMD[uint64, 1]
Performs a wide multiplication of two 32-bit unsigned integers.
Multiplies two 32-bit unsigned integers and returns the full 64-bit result. This is useful when the product may exceed 32 bits.
Note: On NVIDIA GPUs, this maps directly to the MUL.WIDE.U32 PTX instruction. On other architectures, it performs the multiplication using 64-bit casts.
Args:
- a (
SIMD[uint32, 1]): First 32-bit unsigned integer operand. - b (
SIMD[uint32, 1]): Second 32-bit unsigned integer operand.
Returns:
The full 64-bit product of a * b
mulwide(a: SIMD[int32, 1], b: SIMD[int32, 1]) -> SIMD[int64, 1]
Performs a wide multiplication of two 32-bit signed integers.
Multiplies two 32-bit signed integers and returns the full 64-bit result. This is useful when the product may exceed 32 bits or be negative.
Note: On NVIDIA GPUs, this maps directly to the MUL.WIDE.S32 PTX instruction. On other architectures, it performs the multiplication using 64-bit casts.
Args:
- a (
SIMD[int32, 1]): First 32-bit signed integer operand. - b (
SIMD[int32, 1]): Second 32-bit signed integer operand.
Returns:
The full 64-bit signed product of a * b
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