#include <stdbool.h>
#include "../fixed_point.h"

Functions
bool	f_gt (frac a, frac b)
	Greater-than comparison - single precision. More...

bool	f_ge (frac a, frac b)
	Greater or equal comparison - single precision. More...

bool	f_lt (frac a, frac b)
	Less-than comparison - single precision. More...

bool	f_le (frac a, frac b)
	Less or equal comparison - single precision. More...

bool	f_eq (frac a, frac b)
	Equality comparison - single precision. More...

bool	df_gt (dfrac a, dfrac b)
	Greater-than comparison - double precision. More...

bool	df_ge (dfrac a, dfrac b)
	Greater or equal comparison - double precision. More...

bool	df_lt (dfrac a, dfrac b)
	Less-than comparison - double precision. More...

bool	df_le (dfrac a, dfrac b)
	Less or equal comparison - double precision. More...

bool	df_eq (dfrac a, dfrac b)
	Equality comparison - double precision. More...

frac	f_add (frac a, frac b)
	Add two single precision fractional numbers - may overflow. More...

frac	f_sub (frac a, frac b)
	Substract two single precision fractional numbers - may overflow. More...

dfrac	df_add (dfrac a, dfrac b)
	Add two double precision fractional numbers - may overflow. More...

dfrac	df_sub (dfrac a, dfrac b)
	Substract two double precision fractional numbers - may overflow. More...

efrac	ef_add (efrac a, efrac b)
	Add two extended precision fractional numbers - may overflow. More...

efrac	ef_sub (efrac a, efrac b)
	Substract two extended precision fractional numbers - may overflow. More...

efrac	ef_f_add (efrac a, frac b)
	Add a single precision fractional to an extended precision fractional. More...

frac	f_neg (frac a)
	Negate single precision fractional. More...

dfrac	df_neg (dfrac a)
	Negate double precision fractional. More...

efrac	ef_neg (efrac a)
	Negate extended precision fractional. More...

frac	f_mul (frac a, frac b)
	Multiply single precision, yield single precision. More...

dfrac	f_mul_df (frac a, frac b)
	Multiply single precision, yield double precision. More...

efrac	f_mf_mul_ef (frac a, mfrac b)
	Multiply single precision by mixed fractional, yield extended precision,. More...

frac	f_imul (frac a, int16_t b)
	Multiply single precision by integer, yield single precision. More...

int	f_imul_i (frac a, int b)
	Multiply single precision by integer, yield integer. More...

efrac	f_imul_ef (frac a, int16_t b)
	Multiply single precision by integer, yield extended precision. More...

dfrac	df_imul (dfrac a, int16_t b)
	Multiply double precision by integer, yield double precision. More...

efrac	ef_imul (efrac a, int16_t b)
	Multiply extended precision by integer, yield extended precision. More...

frac	f_idiv (frac a, int16_t b)
	Divide single precision by integer, yield single precision. More...

dfrac	df_idiv (dfrac a, int16_t b)
	Divide double precision by integer, yield double precision. More...

efrac	ef_idiv (efrac a, int16_t b)
	Divide extended precision by integer, yield extended precision. More...

dfrac	df_shiftl (dfrac a, int16_t b)
	Arithmetic shift left a double precision fractional. More...

dfrac	df_shiftr (dfrac a, int16_t b)
	Arithmetic shift right a double precision fractional. More...

frac	df_to_f (dfrac x)
	Truncate to single precision. More...

dfrac	f_to_df (frac x)
	Extend a single precision number to double precision. More...

efrac	f_to_ef (frac x)
	Extend a single precision fractional to an extended-fractional. More...

efrac	f_ef_div (frac dividend, efrac divisor)
	Divide a frac by an efrac and return an efrac. More...

frac	ef_to_f (efrac x)
	Saturate an extended fractional to yield a fractional. More...

frac	f_clip (frac x, frac limit)
	Clip a number to lie between -limit and limit. More...

dfrac	df_addsat (dfrac x1, dfrac x2)
	Add with saturation. More...

dfrac	f_macs_df (frac x, frac y, dfrac z)
	Multiply-accumulate with saturation. More...

Detailed Description

Author: Juan I Carrano

Copyright: Copyright (c) 2019 Juan I Carrano; Copyright (c) 2013 Juan I Carrano, Andrés Calcabrini, Juan I. Ubeira and Nicolás Venturo.; All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
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Fractional number routines.

About Fractional multiplication routines: This is the code that you should modify if you want to maximise performance for your particular machine; for example, if you have a hardware multiplier. The rest of the code is generic.

Definition in file fixed_point.h.

Functions

Detailed Description