Typecasting

Functions
__STATIC_INLINE int16_t	arm_typecast_s16_f16 (float16_t x)
	Interpret a f16 as an s16 value. More...
__STATIC_INLINE float16_t	arm_typecast_f16_s16 (int16_t x)
	Interpret an s16 as an f16 value. More...

Description

Function Documentation

arm_typecast_f16_s16()

__STATIC_INLINE float16_t arm_typecast_f16_s16

(

int16_t

x

)

Parameters

[in]

x

input value.

Returns

return value.

Description

It is a typecast. No conversion of the int to float is done. The memcpy will be optimized out by the compiler. memcpy is used to prevent type punning issues. With gcc, -fno-builtins MUST not be used or the memcpy will not be optimized out.

arm_typecast_s16_f16()

__STATIC_INLINE int16_t arm_typecast_s16_f16

(

float16_t

x

)

Parameters

[in]

x

input value.

Returns

return value.

Description

It is a typecast. No conversion of the float to int is done. The memcpy will be optimized out by the compiler. memcpy is used to prevent type punning issues. With gcc, -fno-builtins MUST not be used or the memcpy will not be optimized out.