lasp_types.h

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// types.h
//
// Author: J.A. de Jong - ASCEE
//
// Description:
// Typedefs and namespace pollution for stuff that is almost always
// needed.
#pragma once
#include "lasp_config.h"
#include <stddef.h>
 
// // Branch prediction performance improvement
#if !defined(islikely) && defined(__GNUC__) && !defined(LASP_DEBUG)
#define islikely(x)       __builtin_expect(!!(x), 1)
#define isunlikely(x)     __builtin_expect(!!(x), 0)
#else
#define islikely(x)       (x)
#define isunlikely(x)     (x)
#endif  // !defined(likely)
 
#ifndef __cplusplus
#include <stdbool.h>            // true, false
#include <stddef.h>
#endif
 
static_assert(sizeof(size_t) == 8);
typedef size_t us;        /* Size type I always use */
 
// To change the whole code to 32-bit floating points, change this to
// float.
#if LASP_FLOAT_SIZE == 32
typedef float d;        /* Shortcut for floating point - single precision */            
#elif LASP_FLOAT_SIZE == 64
typedef double d;       /* Shortcut for floating point - double precision */            
#else
#error LASP_FLOAT_SIZE should be either 32 or 64
#endif
 
#ifdef __cplusplus
  #include <complex>
  typedef std::complex<d> c;
#else
  #include <complex.h>
  #if LASP_FLOAT_SIZE == 32
    typedef float complex c;
  #else
    typedef double complex c;
#endif
 
#endif