add.c File Reference

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Macros
#define	saturate(x)   ((x) < MIN_WORD ? MIN_WORD : (x) > MAX_WORD ? MAX_WORD: (x))

Functions
word	gsm_add (word a, word b)
word	gsm_mult (word a, word b)
word	gsm_mult_r (word a, word b)
word	gsm_abs (word a)
word	gsm_norm (longword a)
word	gsm_div (word num, word denum)

Variables
const unsigned char	bitoff [256]

Macro Definition Documentation

saturate

#define saturate

(

x

)

((x) < MIN_WORD ? MIN_WORD : (x) > MAX_WORD ? MAX_WORD: (x))

Definition at line 31 of file add.c.

Referenced by gsm_add().

Function Documentation

gsm_abs()

word gsm_abs

(

word

a

)

Definition at line 66 of file add.c.

References MAX_WORD, and MIN_WORD.

gsm_add()

word gsm_add	(	word	a,
		word	b
	)

Definition at line 35 of file add.c.

References saturate, and sum.

gsm_div()

word gsm_div	(	word	num,
		word	denum
	)

Definition at line 126 of file add.c.

References k.

gsm_mult()

word gsm_mult	(	word	a,
		word	b
	)

Definition at line 43 of file add.c.

References MAX_WORD, MIN_WORD, and SASR.

gsm_mult_r()

word gsm_mult_r	(	word	a,
		word	b
	)

Definition at line 52 of file add.c.

References MAX_WORD, and MIN_WORD.

gsm_norm()

word gsm_norm

(

longword

a

)

Definition at line 91 of file add.c.

References bitoff.

Variable Documentation

bitoff

const unsigned char bitoff[256]

Initial value:

= {
  8, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4,
  3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
}

Definition at line 71 of file add.c.