chris@160: /**
chris@160:  * Copyright (c) 2014, 2015, Enzien Audio Ltd.
chris@160:  *
chris@160:  * Permission to use, copy, modify, and/or distribute this software for any
chris@160:  * purpose with or without fee is hereby granted, provided that the above
chris@160:  * copyright notice and this permission notice appear in all copies.
chris@160:  *
chris@160:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
chris@160:  * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
chris@160:  * AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
chris@160:  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
chris@160:  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
chris@160:  * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
chris@160:  * PERFORMANCE OF THIS SOFTWARE.
chris@160:  */
chris@160: 
chris@160: #ifndef _HEAVY_UTILS_H_
chris@160: #define _HEAVY_UTILS_H_
chris@160: 
chris@160: // Type definitions
chris@160: #if _WIN32 || _WIN64 || WINAPI_FAMILY
chris@160: #define HV_WIN 1
chris@160: #include <stddef.h>
chris@160: #if defined (_MSC_VER)
chris@160: #define HV_MSVC 1
chris@160: #endif
chris@160: #define hv_size_t unsigned long
chris@160: #define hv_uint32_t unsigned int
chris@160: #define hv_uint16_t unsigned short
chris@160: #define hv_int32_t int
chris@160: #elif __APPLE__ && __MACH__
chris@160: #define HV_APPLE 1
chris@160: #include <stddef.h>
chris@160: #define hv_size_t size_t
chris@160: #define hv_uint32_t unsigned int
chris@160: #define hv_uint16_t unsigned short
chris@160: #define hv_int32_t int
chris@160: #elif __unix__ || __unix
chris@160: #define HV_UNIX 1
chris@160: #include <stddef.h>
chris@160: #include <stdint.h>
chris@160: #define hv_size_t size_t
chris@160: #define hv_uint32_t uint32_t
chris@160: #define hv_uint16_t uint16_t
chris@160: #define hv_int32_t int32_t
chris@160: #else
chris@160: #error Unsupported platform
chris@160: #endif
chris@160: 
chris@160: // Memory management
chris@160: extern void *hv_alloca(hv_size_t numbytes);
chris@160: extern void *hv_malloc(hv_size_t numbytes); // allocates memory on 16 byte boundaries and clears it to zero
chris@160: extern void hv_free(void *ptr); // frees aligned memory
chris@160: extern void *hv_realloc(void *ptr, hv_size_t numBytes);
chris@160: extern void *hv_memcpy(void *dest, const void *src, hv_size_t numbytes);
chris@160: extern void *hv_memset(void *ptr, hv_size_t numbytes); // sets everything to 0
chris@160: 
chris@160: // String handling
chris@160: extern hv_size_t hv_strlen(const char *str);
chris@160: extern char *hv_strncat(char *dest, const char *str, hv_size_t n);
chris@160: extern char *hv_strncpy(char *dest, const char *str, hv_size_t n);
chris@160: extern int hv_strcmp(const char *str1, const char *str2);
chris@160: extern int hv_strncmp(const char *str1, const char *str2, hv_size_t n);
chris@160: extern int hv_snprintf(char *dest, hv_size_t n, const char *format, ...);
chris@160: 
chris@160: // Math
chris@160: extern int hv_max_i(int x, int y);
chris@160: extern hv_size_t hv_max_ui(hv_size_t x, hv_size_t y);
chris@160: extern int hv_min_i(int x, int y);
chris@160: extern hv_size_t hv_min_ui(hv_size_t x, hv_size_t y);
chris@160: extern float hv_max_f(float x, float y);
chris@160: extern float hv_min_f(float x, float y);
chris@160: extern double hv_max_d(double x, double y);
chris@160: extern double hv_min_d(double x, double y);
chris@160: extern float hv_sin_f(float x);
chris@160: extern float hv_sinh_f(float x);
chris@160: extern float hv_cos_f(float x);
chris@160: extern float hv_cosh_f(float x);
chris@160: extern float hv_tan_f(float x);
chris@160: extern float hv_tanh_f(float x);
chris@160: extern float hv_asin_f(float x);
chris@160: extern float hv_asinh_f(float x);
chris@160: extern float hv_acos_f(float x);
chris@160: extern float hv_acosh_f(float x);
chris@160: extern float hv_atan_f(float x);
chris@160: extern float hv_atanh_f(float x);
chris@160: extern float hv_atan2_f(float x, float y);
chris@160: extern float hv_exp_f(float x);
chris@160: extern float hv_abs_f(float x);
chris@160: extern float hv_sqrt_f(float x);
chris@160: extern float hv_log_f(float x);
chris@160: extern float hv_log2_f(float x);
chris@160: extern float hv_log10_f(float x);
chris@160: extern float hv_ceil_f(float x);
chris@160: extern float hv_floor_f(float x);
chris@160: extern float hv_round_f(float x);
chris@160: extern float hv_pow_f(float x, float y);
chris@160: extern float hv_fma_f(float x, float y, float z);
chris@160: 
chris@160: // Utilities
chris@160: extern void hv_assert(int e);
chris@160: extern void hv_clear_buffer(float *b, int n);
chris@160: extern hv_uint32_t hv_min_max_log2(hv_uint32_t x);
chris@160: 
chris@160: // SIMD
chris@160: #ifndef HV_SIMD_NONE
chris@160:   #define HV_SIMD_NEON __ARM_NEON__
chris@160:   #define HV_SIMD_SSE (__SSE__ && __SSE2__ && __SSE3__ && __SSSE3__ && __SSE4_1__)
chris@160:   #define HV_SIMD_AVX (__AVX__ && HV_SIMD_SSE) // it is required that if AVX exists then SSE will also be available
chris@160:   #define HV_SIMD_FMA __FMA__
chris@160: #endif
chris@160: 
chris@160: #ifdef HV_WIN
chris@160: #include "Utils_windows.h"
chris@160: #elif HV_APPLE
chris@160: #include "Utils_mac.h"
chris@160: #elif HV_UNIX
chris@160: #include "Utils_unix.h"
chris@160: #else
chris@160: #error Unsupported platform
chris@160: #endif
chris@160: 
chris@160: #if HV_SIMD_NEON // NEON
chris@160:   #define HV_N_SIMD 4
chris@160:   #define hv_bufferf_t float32x4_t
chris@160:   #define hv_bufferi_t int32x4_t
chris@160:   #define hv_bInf_t float32x4_t
chris@160:   #define hv_bOutf_t float32x4_t*
chris@160:   #define hv_bIni_t int32x4_t
chris@160:   #define hv_bOuti_t int32x4_t*
chris@160:   #define VIf(_x) (_x)
chris@160:   #define VOf(_x) (&_x)
chris@160:   #define VIi(_x) (_x)
chris@160:   #define VOi(_x) (&_x)
chris@160: #elif HV_SIMD_AVX // AVX
chris@160:   #define HV_N_SIMD 8
chris@160:   #define hv_bufferf_t __m256
chris@160:   #define hv_bufferi_t __m256i
chris@160:   #define hv_bInf_t __m256
chris@160:   #define hv_bOutf_t __m256*
chris@160:   #define hv_bIni_t __m256i
chris@160:   #define hv_bOuti_t __m256i*
chris@160:   #define VIf(_x) (_x)
chris@160:   #define VOf(_x) (&_x)
chris@160:   #define VIi(_x) (_x)
chris@160:   #define VOi(_x) (&_x)
chris@160: #elif HV_SIMD_SSE // SSE
chris@160:   #define HV_N_SIMD 4
chris@160:   #define hv_bufferf_t __m128
chris@160:   #define hv_bufferi_t __m128i
chris@160:   #define hv_bInf_t __m128
chris@160:   #define hv_bOutf_t __m128*
chris@160:   #define hv_bIni_t __m128i
chris@160:   #define hv_bOuti_t __m128i*
chris@160:   #define VIf(_x) (_x)
chris@160:   #define VOf(_x) (&_x)
chris@160:   #define VIi(_x) (_x)
chris@160:   #define VOi(_x) (&_x)
chris@160: #else // DEFAULT
chris@160:   #define HV_N_SIMD 1
chris@160:   #undef HV_SIMD_NONE
chris@160:   #define HV_SIMD_NONE 1
chris@160:   #define hv_bufferf_t float
chris@160:   #define hv_bufferi_t int
chris@160:   #define hv_bInf_t float
chris@160:   #define hv_bOutf_t float*
chris@160:   #define hv_bIni_t int
chris@160:   #define hv_bOuti_t int*
chris@160:   #define VIf(_x) (_x)
chris@160:   #define VOf(_x) (&_x)
chris@160:   #define VIi(_x) (_x)
chris@160:   #define VOi(_x) (&_x)
chris@160: #endif
chris@160: 
chris@160: #define HV_N_SIMD_MASK (HV_N_SIMD-1)
chris@160: 
chris@160: #endif // _HEAVY_UTILS_H_