gendot.c File Reference

#include "machine.h"

Include dependency graph for gendot.c:

Go to the source code of this file.

Defines
#define	DOT(Type)
Typedefs
typedef signed char	integer1
typedef short	integer2
Functions
int C2F()	gendot (integer *typ, integer *n, int *dx, integer *incx, int *dy, integer *incy)

---

Define Documentation

#define DOT

(

Type

)

Value:

{\
Type *DX;\
Type *DY;\
Type C;\
    DX=(Type *)dx;\
    --DX;\
    DY=(Type *)dy;\
    --DY;\
    if (*n <= 0) return (Type)itemp;\
    ix = 1;iy = 1;\
    if (*incx < 0) ix = (-(*n) + 1) * *incx + 1;\
    if (*incy < 0) iy = (-(*n) + 1) * *incy + 1;\
    for (i = 1; i <= i1; ++i) {\
        itemp += DX[ix] * DY[iy];\
        ix += *incx;\
        iy += *incy;\
    }\
    C = (Type) itemp;\
    return C;\
}

Definition at line 6 of file gendot.c.

Referenced by gendot().

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Typedef Documentation

typedef signed char integer1

Definition at line 2 of file gendot.c.

typedef short integer2

Definition at line 3 of file gendot.c.

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Function Documentation

int C2F() gendot	(	integer *	typ,
		integer *	n,
		int *	dx,
		integer *	incx,
		int *	dy,
		integer *	incy
	)

Definition at line 27 of file gendot.c.

References DOT, i, i1, ix, n, and typ.

{
  integer i1;
  static integer i, itemp, ix, iy;

  itemp = 0;
  i1 = *n;

  switch (*typ) {
  case 1:
    DOT(integer1);
    break;
  case 2:
    DOT(integer2);
    break;
  case 4:
    DOT(integer);
    break;
  case 11:
    DOT(unsigned char);
    break;
  case 12:
    DOT(unsigned short);
    break;
  case 14:
    DOT(unsigned int);
    break;
  }
  return 0;
}

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