This file is indexed.

/usr/include/gctp/cproj.h is in libgctp-dev 1.0-1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

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#include <math.h>

#ifdef __cplusplus
extern "C" {
#endif

#define PI 	3.141592653589793238
#define HALF_PI (PI*0.5)
#define TWO_PI 	(PI*2.0)
#define EPSLN	1.0e-10
#define R2D     57.2957795131
/*
#define D2R     0.0174532925199
*/
#define D2R     1.745329251994328e-2
#define S2R	4.848136811095359e-6

#define OK	0
#define ERROR  -1
#define IN_BREAK -2

/* Misc macros
  -----------*/
#define SQUARE(x)           ((x) * (x))   /* x**2 */
#define CUBE(x)       ((x) * (x) * (x))   /* x**3 */
#define QUAD(x) ((x) * (x) * (x) * (x))   /* x**4 */

#define GMAX(A, B)      ((A) > (B) ? (A) : (B)) /* assign maximum of a and b */
#define GMIN(A, B)      ((A) < (B) ? (A) : (B)) /* assign minimum of a and b */

#define IMOD(A, B)      (A) - (((A) / (B)) * (B)) /* Integer mod function */

#include "cproj_prototypes.h"

#ifdef __cplusplus
}
#endif