view projects/heavy/circularBuffer/Utils.h @ 163:20b52283c7b4 heavy-updated

- added circular buffer pd/heavy example (works but process needs to be killed manually if launched via ssh?)

/**
 * Copyright (c) 2014, 2015, Enzien Audio Ltd.
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
 * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef _HEAVY_UTILS_H_
#define _HEAVY_UTILS_H_

// Type definitions
#if _WIN32 || _WIN64 || WINAPI_FAMILY
#define HV_WIN 1
#include <stddef.h>
#if defined (_MSC_VER)
#define HV_MSVC 1
#endif
#define hv_size_t unsigned long
#define hv_uint32_t unsigned int
#define hv_uint16_t unsigned short
#define hv_int32_t int
#elif __APPLE__ && __MACH__
#define HV_APPLE 1
#include <stddef.h>
#define hv_size_t size_t
#define hv_uint32_t unsigned int
#define hv_uint16_t unsigned short
#define hv_int32_t int
#elif __unix__ || __unix
#define HV_UNIX 1
#include <stddef.h>
#include <stdint.h>
#define hv_size_t size_t
#define hv_uint32_t uint32_t
#define hv_uint16_t uint16_t
#define hv_int32_t int32_t
#else
#error Unsupported platform
#endif

// Memory management
extern void *hv_alloca(hv_size_t numbytes);
extern void *hv_malloc(hv_size_t numbytes); // allocates memory on 16 byte boundaries and clears it to zero
extern void hv_free(void *ptr); // frees aligned memory
extern void *hv_realloc(void *ptr, hv_size_t numBytes);
extern void *hv_memcpy(void *dest, const void *src, hv_size_t numbytes);
extern void *hv_memset(void *ptr, hv_size_t numbytes); // sets everything to 0

// String handling
extern hv_size_t hv_strlen(const char *str);
extern char *hv_strncat(char *dest, const char *str, hv_size_t n);
extern char *hv_strncpy(char *dest, const char *str, hv_size_t n);
extern int hv_strcmp(const char *str1, const char *str2);
extern int hv_strncmp(const char *str1, const char *str2, hv_size_t n);
extern int hv_snprintf(char *dest, hv_size_t n, const char *format, ...);

// Math
extern int hv_max_i(int x, int y);
extern hv_size_t hv_max_ui(hv_size_t x, hv_size_t y);
extern int hv_min_i(int x, int y);
extern hv_size_t hv_min_ui(hv_size_t x, hv_size_t y);
extern float hv_max_f(float x, float y);
extern float hv_min_f(float x, float y);
extern double hv_max_d(double x, double y);
extern double hv_min_d(double x, double y);
extern float hv_sin_f(float x);
extern float hv_sinh_f(float x);
extern float hv_cos_f(float x);
extern float hv_cosh_f(float x);
extern float hv_tan_f(float x);
extern float hv_tanh_f(float x);
extern float hv_asin_f(float x);
extern float hv_asinh_f(float x);
extern float hv_acos_f(float x);
extern float hv_acosh_f(float x);
extern float hv_atan_f(float x);
extern float hv_atanh_f(float x);
extern float hv_atan2_f(float x, float y);
extern float hv_exp_f(float x);
extern float hv_abs_f(float x);
extern float hv_sqrt_f(float x);
extern float hv_log_f(float x);
extern float hv_log2_f(float x);
extern float hv_log10_f(float x);
extern float hv_ceil_f(float x);
extern float hv_floor_f(float x);
extern float hv_round_f(float x);
extern float hv_pow_f(float x, float y);
extern float hv_fma_f(float x, float y, float z);

// Utilities
extern void hv_assert(int e);
extern void hv_clear_buffer(float *b, int n);
extern hv_uint32_t hv_min_max_log2(hv_uint32_t x);

// SIMD
#ifndef HV_SIMD_NONE
  #define HV_SIMD_NEON __ARM_NEON__
  #define HV_SIMD_SSE (__SSE__ && __SSE2__ && __SSE3__ && __SSSE3__ && __SSE4_1__)
  #define HV_SIMD_AVX (__AVX__ && HV_SIMD_SSE) // it is required that if AVX exists then SSE will also be available
  #define HV_SIMD_FMA __FMA__
#endif

#ifdef HV_WIN
#include "Utils_windows.h"
#elif HV_APPLE
#include "Utils_mac.h"
#elif HV_UNIX
#include "Utils_unix.h"
#else
#error Unsupported platform
#endif

#if HV_SIMD_NEON // NEON
  #define HV_N_SIMD 4
  #define hv_bufferf_t float32x4_t
  #define hv_bufferi_t int32x4_t
  #define hv_bInf_t float32x4_t
  #define hv_bOutf_t float32x4_t*
  #define hv_bIni_t int32x4_t
  #define hv_bOuti_t int32x4_t*
  #define VIf(_x) (_x)
  #define VOf(_x) (&_x)
  #define VIi(_x) (_x)
  #define VOi(_x) (&_x)
#elif HV_SIMD_AVX // AVX
  #define HV_N_SIMD 8
  #define hv_bufferf_t __m256
  #define hv_bufferi_t __m256i
  #define hv_bInf_t __m256
  #define hv_bOutf_t __m256*
  #define hv_bIni_t __m256i
  #define hv_bOuti_t __m256i*
  #define VIf(_x) (_x)
  #define VOf(_x) (&_x)
  #define VIi(_x) (_x)
  #define VOi(_x) (&_x)
#elif HV_SIMD_SSE // SSE
  #define HV_N_SIMD 4
  #define hv_bufferf_t __m128
  #define hv_bufferi_t __m128i
  #define hv_bInf_t __m128
  #define hv_bOutf_t __m128*
  #define hv_bIni_t __m128i
  #define hv_bOuti_t __m128i*
  #define VIf(_x) (_x)
  #define VOf(_x) (&_x)
  #define VIi(_x) (_x)
  #define VOi(_x) (&_x)
#else // DEFAULT
  #define HV_N_SIMD 1
  #undef HV_SIMD_NONE
  #define HV_SIMD_NONE 1
  #define hv_bufferf_t float
  #define hv_bufferi_t int
  #define hv_bInf_t float
  #define hv_bOutf_t float*
  #define hv_bIni_t int
  #define hv_bOuti_t int*
  #define VIf(_x) (_x)
  #define VOf(_x) (&_x)
  #define VIi(_x) (_x)
  #define VOi(_x) (&_x)
#endif

#define HV_N_SIMD_MASK (HV_N_SIMD-1)

#endif // _HEAVY_UTILS_H_