2vector.c File Reference

#include <math.h>
#include <gandalf/linalg/2vector.h>
#include <gandalf/common/misc_defs.h>
#include <gandalf/common/misc_error.h>
#include <string.h>
#include <gandalf/common/endian_io.h>

Functions
Gan_Bool	gan_vec2_print (const Gan_Vector2 *p, const char *prefix, int indent, const char *fmt)
	Print fixed size vector to standard output.
Gan_Bool	gan_vec2_fwrite (FILE *fp, const Gan_Vector2 *p, gan_uint32 magic_number)
	Write fixed size vector to file stream.
Gan_Bool	gan_vec2_fread (FILE *fp, Gan_Vector2 *p, gan_uint32 *magic_number)
	Read fixed size vector from file stream.
Gan_Vector2	gan_vec2_zero_s (void)
	Set fixed size vector to zero.
Gan_Vector2	gan_vec2_copy_s (const Gan_Vector2 *x)
	Return a copy of fixed size vector.
Gan_Vector2	gan_vec2_scale_s (const Gan_Vector2 *x, const double a)
	Scale fixed size vector.
Gan_Vector2	gan_vec2_divide_s (const Gan_Vector2 *x, const double a)
	Divide fixed size vector by scalar.
Gan_Vector2	gan_vec2_negate_s (const Gan_Vector2 *x)
	Negate fixed size vector.
Gan_Vector2 *	gan_vec2_unit_q (Gan_Vector2 *x, Gan_Vector2 *y)
	Scale matrix to unit norm.
Gan_Vector2	gan_vec2_unit_s (const Gan_Vector2 *x)
	Scale matrix to unit norm.
Gan_Vector2	gan_vec2_add_s (const Gan_Vector2 *x, const Gan_Vector2 *y)
	Add two fixed size vectors.
Gan_Vector2	gan_vec2_sub_s (const Gan_Vector2 *x, const Gan_Vector2 *y)
	Subtract two fixed size vectors.
double	gan_vec2_dot_s (const Gan_Vector2 *p, const Gan_Vector2 *q)
	Dot product of fixed size vectors.
double	gan_vec2_sqrlen_s (const Gan_Vector2 *p)
	Returns sum of squares of vector elements.
Gan_Vector2	gan_vec2_from_vec_s (const Gan_Vector *x)
	Convert generic rectangular vector to fixed size vector structure.
Gan_Bool	gan_vec2_fprint (FILE *fp, const Gan_Vector2 *p, const char *prefix, int indent, const char *fmt)
	Print 2-vector to file.
Gan_Bool	gan_vec2_fscanf (FILE *fp, Gan_Vector2 *p, char *prefix, int prefix_len)
	Read 2-vector from file.
Gan_Vector2	gan_vec2_fill_s (double X, double Y)
	Return 2-vector filled with values.
Gan_Vector2 *	gan_vec2_from_vec_q (const Gan_Vector *x, Gan_Vector2 *a)
	Convert generic vector to 2-vector structure.

---

Detailed Description

Module: Size 2 vectors (double precision)

Part of: Gandalf Library

Version:

1.21

Date:

2004/03/18 18:26:11

Author:

pm

Copyright: (c) 2000 Imagineer Software Limited

---