Conversion Macros

Overview

The MKM34Z256VLx7 bare metal software drivers defines several macros for conversion double precision 64-bit floating point values to various fractional data types and vice versa. These macros are defined in the C header file common.h.

Macros
#define	FRAC16(x)
	Converts double precision 64-bit floating point value to Qn.15 fractional value. More...
#define	F16TODBL(x)
	Converts Qn.15 fractional value to double precision 64-bit floating point value. More...
#define	FRAC24(x)
	Converts double precision 64-bit floating point value to Qn.23 fractional value. More...
#define	F24TODBL(x)
	Converts Qn.23 fractional value to double precision 64-bit floating point value. More...
#define	FRAC32(x)
	Converts double precision 64-bit floating point value to Qn.31 fractional value. More...
#define	F32TODBL(x)
	Converts Qn.31 fractional value to double precision 64-bit floating point value. More...
#define	FRAC48(x)
	Converts double precision 64-bit floating point value to Qn.47 fractional value. More...
#define	F48TODBL(x)
	Converts Qn.47 fractional value to double precision 64-bit floating point value. More...
#define	FRAC64(x)
	Converts double precision 64-bit floating point value to Q0.63 fractional value. More...
#define	F64TODBL(x)
	Converts Q0.63 fractional value to double precision 64-bit floating point value. More...

Macro Definition Documentation

#define FRAC16

(

x

)

This macro converts double precision 64-bit floating point value to Qn.15 fractional value.

Parameters

x	Double precision 64-bit floating point value.

Note

Implemented as an inline macro.

See also

F16TODBL

#define F16TODBL

(

x

)

This macro converts Qn.15 fractional value to double precision 64-bit floating point value.

Parameters

x	Qn.15 fractional value.

Note

Implemented as an inline macro.

See also

FRAC16

#define FRAC24

(

x

)

This macro converts double precision 64-bit floating point value to Qn.23 fractional value.

Parameters

x	Double precision 64-bit floating point value.

Note

Implemented as an inline macro.

See also

F24TODBL

#define F24TODBL

(

x

)

This macro converts Qn.23 fractional value to double precision 64-bit floating point value.

Parameters

x	Qn.23 fractional value.

Note

Implemented as an inline macro.

See also

FRAC24

#define FRAC32

(

x

)

This macro converts double precision 64-bit floating point value to Qn.31 fractional value.

Parameters

x	Double precision 64-bit floating point value.

Note

Implemented as an inline macro.

See also

F32TODBL

#define F32TODBL

(

x

)

This macro converts Qn.31 fractional value to double precision 64-bit floating point value.

Parameters

x	Qn.31 fractional value.

See also

FRAC32

#define FRAC48

(

x

)

This macro converts double precision 64-bit floating point value to Qn.47 fractional value.

Parameters

x	Double precision 64-bit floating point value.

Note

Implemented as an inline macro.

See also

F24TODBL

#define F48TODBL

(

x

)

This macro converts Qn.47 fractional value to double precision 64-bit floating point value.

Parameters

x	Qn.47 fractional value.

Note

Implemented as an inline macro.

See also

FRAC48

#define FRAC64

(

x

)

This macro converts double precision 64-bit floating point value to the Q0.63 fractional value.

Parameters

x	Double precision 64-bit floating point value.

Note

Note that this macro doesn't work correctly for floating point values close to 1.0 and -1.0. Implemented as an inline macro.

See also

F64TODBL

#define F64TODBL

(

x

)

This macro converts Q0.63 fractional value to double precision 64-bit floating point value.

Parameters

x	Q0.63 fractional value.

Note

Implemented as an inline macro.

See also

FRAC64