cocolib / light field suite Code

#ifndef CUDA_LIB_DEFS
#define CUDA_LIB_DEFS

#include <math.h>
#include <assert.h>

// Uncomment if double capability is desired
// EXPERIMENTAL FEATURE, NOT FULLY IMPLEMENTED YET.
//#define CUDA_DOUBLE

#ifdef CUDA_DOUBLE
typedef double cuflt;
#else
typedef float cuflt;
#endif

// TODO: switch to local block sizes everywhere
#define CUDA_BLOCK_SIZE 8
#define CUDA_SAFE_CALL(c) if ( c != cudaSuccess ) { printf("CUDA error: %s, line %d\n", cudaGetErrorString( cudaGetLastError() ), __LINE__); assert( false ); }


// some useful inline functions

  /// Clamps a value to a given range
  /** \ingroup mathutil */
  template<class T> inline T clamp( const T& v, const T& min, const T& max ) {
    if (v<min) return min;
    if (v>max) return max;
    return v;
  };

  /// Square of a number
  /** \ingroup mathutil */
  template<class T> T square( const T& v ) {
    return (T)pow( v,2 );
  };

  /// Convert degrees to radian
  /** \ingroup mathutil */
  template<class T> T d2r( const T& x ) {
    return x*M_PI / 180.0f;
  };

  /// Interpolation from a to b at t
  /** \ingroup mathutil */
  template<class T> T interpolate( const T& a, const T& b, const T& t ) {
    return t*b + (1-t)*a;
  };

  /// Convert radian to degrees
  /** \ingroup mathutil */
  template<class T> T r2d( const T& x ) {
    return x*180.0f/M_PI;
  };


#endif