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View of /branches/pure-cfg/src/include/Diderot/diderot.h

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Revision 1196 - (download) (as text) (annotate)
Thu May 12 04:04:45 2011 UTC (11 years ago) by jhr
File size: 2382 byte(s)
  Added configure tests for various parallel runtime features.  Also, we now generate
  a config.h file, so autoheader is needed.
/*! \file diderot.h
 * \author John Reppy
 * This is the interface to the Diderot runtime for the C target.  For now,
 * we are targetting single-precision computations.

 * COPYRIGHT (c) 2010 The Diderot Project (http://diderot-language.cs.uchicago.edu)
 * All rights reserved.

#ifndef _DIDEROT_H_
#define _DIDEROT_H_

#include "Diderot/config.h"

/* gcc has a bug that breaks code that uses 8-byte vectors (e.g., vec2f_t), but clang
 * handles the code correctly.
#if defined(__clang__)
#  define VEC2_OK

#ifdef NDEBUG
#define STATIC_INLINE	static inline
#define STATIC_INLINE	static

#include <stdint.h>
#include <stdbool.h>
#include <stdlib.h>
#include <math.h>
#include <stdio.h>  // for printing output

#include "types.h"
#include "strands.h"

/* load image data from Nrrd files */
extern Status_t Diderot_LoadImage1D (Diderot_string_t name, Diderot_image1D_t **img);
extern Status_t Diderot_LoadImage2D (Diderot_string_t name, Diderot_image2D_t **img);
extern Status_t Diderot_LoadImage3D (Diderot_string_t name, Diderot_image3D_t **img);

/* functions to get input-parameter values */
extern Status_t Diderot_InputString (const char *, const char **, bool);
extern Status_t Diderot_Inputf (const char *, float *, bool);
extern Status_t Diderot_InputVec3f (const char *, vec3f_t *, bool);

/* function to get information about the CPU configuration */

typedef struct {
    int		numHWNodes;		//!< \brief number of (possibly multicore) processors
    int		numHWCores;		//!< \brief total number of (possibly
					//!  mulithreaded) cores
    int		numHWThreads;		//!< \brief total number of hardware threads
    int		numCoresPerNode;	//!< \brief number of cores per thread
    int		numThdsPerCore;		//!< \brief number of threads per core
} CPUInfo_t;

bool GetNumCPUs (CPUInfo_t *info);

/********** scalar math functions **********/

STATIC_INLINE float minf (float a, float b)
    return (a < b)? a : b;

STATIC_INLINE float maxf (float a, float b)
    return (a < b)? b : a;

STATIC_INLINE float lerpf (float a, float b, float t)
    return a + t*(b - a);

/********** vector math functions **********/

#include "inline-vec2.h"
#include "inline-vec3.h"
#include "inline-vec4.h"
#include "inline-matrix.h"

/********** other Diderot support functions **********/

#include "inline-image.h"

#endif /* !_DIDEROT_H_ */

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