chris@190: /**
chris@190:  * Copyright (c) 2014,2015,2016 Enzien Audio Ltd.
chris@190:  *
chris@190:  * Permission to use, copy, modify, and/or distribute this software for any
chris@190:  * purpose with or without fee is hereby granted, provided that the above
chris@190:  * copyright notice and this permission notice appear in all copies.
chris@190:  *
chris@190:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
chris@190:  * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
chris@190:  * AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
chris@190:  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
chris@190:  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
chris@190:  * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
chris@190:  * PERFORMANCE OF THIS SOFTWARE.
chris@190:  */
chris@190: 
chris@190: #ifndef _HEAVY_UTILS_H_
chris@190: #define _HEAVY_UTILS_H_
chris@190: 
chris@190: // platform definitions
chris@190: #if _WIN32 || _WIN64
chris@190:   #define HV_WIN 1
chris@190: #ifdef _MSC_VER
chris@190:   #define HV_MSVC 1
chris@190: #endif
chris@190: #elif __APPLE__
chris@190:   #define HV_APPLE 1
chris@190: #elif __unix__ || __unix
chris@190:   #define HV_UNIX 1
chris@190: #else
chris@190:   #warning Could not detect platform. Assuming Unix-like.
chris@190: #endif
chris@190: 
chris@190: // basic includes
chris@190: #include <stdarg.h>
chris@190: #include <stdio.h>
chris@190: #include <stdlib.h>
chris@190: 
chris@190: // type definitions
chris@190: #include <stdint.h>
chris@190: #include <stdbool.h>
chris@190: #define hv_size_t size_t
chris@190: #define hv_uint32_t uint32_t
chris@190: #define hv_int32_t int32_t
chris@190: #define hv_uint16_t uint16_t
chris@190: 
chris@190: // SIMD-specific includes
chris@190: #ifndef HV_SIMD_NONE
chris@190:   #define HV_SIMD_NEON __ARM_NEON__
chris@190:   #define HV_SIMD_SSE (__SSE__ && __SSE2__ && __SSE3__ && __SSSE3__ && __SSE4_1__)
chris@190:   #define HV_SIMD_AVX (__AVX__ && HV_SIMD_SSE)
chris@190:   #define HV_SIMD_FMA __FMA__
chris@190: #endif
chris@190: 
chris@190: #if HV_SIMD_AVX || HV_SIMD_SSE
chris@190:   #include <immintrin.h>
chris@190: #elif HV_SIMD_NEON
chris@190:   #include <arm_neon.h>
chris@190: #endif
chris@190: 
chris@190: #if HV_SIMD_NEON // NEON
chris@190:   #define HV_N_SIMD 4
chris@190:   #define hv_bufferf_t float32x4_t
chris@190:   #define hv_bufferi_t int32x4_t
chris@190:   #define hv_bInf_t float32x4_t
chris@190:   #define hv_bOutf_t float32x4_t*
chris@190:   #define hv_bIni_t int32x4_t
chris@190:   #define hv_bOuti_t int32x4_t*
chris@190:   #define VIf(_x) (_x)
chris@190:   #define VOf(_x) (&_x)
chris@190:   #define VIi(_x) (_x)
chris@190:   #define VOi(_x) (&_x)
chris@190: #elif HV_SIMD_AVX // AVX
chris@190:   #define HV_N_SIMD 8
chris@190:   #define hv_bufferf_t __m256
chris@190:   #define hv_bufferi_t __m256i
chris@190:   #define hv_bInf_t __m256
chris@190:   #define hv_bOutf_t __m256*
chris@190:   #define hv_bIni_t __m256i
chris@190:   #define hv_bOuti_t __m256i*
chris@190:   #define VIf(_x) (_x)
chris@190:   #define VOf(_x) (&_x)
chris@190:   #define VIi(_x) (_x)
chris@190:   #define VOi(_x) (&_x)
chris@190: #elif HV_SIMD_SSE // SSE
chris@190:   #define HV_N_SIMD 4
chris@190:   #define hv_bufferf_t __m128
chris@190:   #define hv_bufferi_t __m128i
chris@190:   #define hv_bInf_t __m128
chris@190:   #define hv_bOutf_t __m128*
chris@190:   #define hv_bIni_t __m128i
chris@190:   #define hv_bOuti_t __m128i*
chris@190:   #define VIf(_x) (_x)
chris@190:   #define VOf(_x) (&_x)
chris@190:   #define VIi(_x) (_x)
chris@190:   #define VOi(_x) (&_x)
chris@190: #else // DEFAULT
chris@190:   #define HV_N_SIMD 1
chris@190:   #undef HV_SIMD_NONE
chris@190:   #define HV_SIMD_NONE 1
chris@190:   #define hv_bufferf_t float
chris@190:   #define hv_bufferi_t int
chris@190:   #define hv_bInf_t float
chris@190:   #define hv_bOutf_t float*
chris@190:   #define hv_bIni_t int
chris@190:   #define hv_bOuti_t int*
chris@190:   #define VIf(_x) (_x)
chris@190:   #define VOf(_x) (&_x)
chris@190:   #define VIi(_x) (_x)
chris@190:   #define VOi(_x) (&_x)
chris@190: #endif
chris@190: 
chris@190: #define HV_N_SIMD_MASK (HV_N_SIMD-1)
chris@190: 
chris@190: // Strings
chris@190: #include <string.h>
chris@190: #define hv_strlen(a) strlen(a)
chris@190: #define hv_strncpy(a, b, c) strncpy(a, b, c)
chris@190: #define hv_strcmp(a, b) strcmp(a, b)
chris@190: #define hv_snprintf(a, b, c, ...) snprintf(a, b, c, __VA_ARGS__)
chris@190: 
chris@190: // Memory management
chris@190: #define hv_realloc(a, b) realloc(a, b)
chris@190: #define hv_memcpy(a, b, c) memcpy(a, b, c)
chris@190: #define hv_memclear(a, b) memset(a, 0, b)
chris@190: #if HV_MSVC
chris@190:   #include <malloc.h>
chris@190:   #define hv_alloca(_n) _alloca(_n)
chris@190:   #if HV_SIMD_AVX
chris@190:     #define hv_malloc(_n) _aligned_malloc(_n, 32)
chris@190:     #define hv_free(x) _aligned_free(x)
chris@190:   #elif HV_SIMD_SSE || HV_SIMD_NEON
chris@190:     #define hv_malloc(_n) _aligned_malloc(_n, 16)
chris@190:     #define hv_free(x) _aligned_free(x)
chris@190:   #else // HV_SIMD_NONE
chris@190:     #define hv_malloc(_n) malloc(_n)
chris@190:     #define hv_free(_n) free(_n)
chris@190:   #endif
chris@190: #elif HV_APPLE
chris@190:   #define hv_alloca(_n) alloca(_n)
chris@190:   #if HV_SIMD_AVX
chris@190:     #define hv_malloc(_n) _mm_malloc(_n, 32)
chris@190:     #define hv_free(x) _mm_free(x)
chris@190:   #elif HV_SIMD_SSE || HV_SIMD_NEON
chris@190:     #define hv_malloc(_n) _mm_malloc(_n, 16)
chris@190:     #define hv_free(x) _mm_free(x)
chris@190:   #else // HV_SIMD_NONE
chris@190:     #define hv_malloc(_n) malloc(_n)
chris@190:     #define hv_free(x) free(x)
chris@190:   #endif
chris@190: #else
chris@190:   #include <alloca.h>
chris@190:   #define hv_alloca(_n) alloca(_n)
chris@190:   #if HV_SIMD_AVX
chris@190:     #define hv_malloc(_n) aligned_alloc(32, _n)
chris@190:     #define hv_free(x) free(x)
chris@190:   #elif HV_SIMD_SSE || HV_SIMD_NEON
chris@190:     //#define hv_malloc(_n) aligned_alloc(16, _n)
chris@190:     #define hv_malloc(_n) memalign(16, _n)
chris@190:     #define hv_free(x) free(x)
chris@190:   #else // HV_SIMD_NONE
chris@190:     #define hv_malloc(_n) malloc(_n)
chris@190:     #define hv_free(_n) free(_n)
chris@190:   #endif
chris@190: #endif
chris@190: 
chris@190: // Assert
chris@190: #include <assert.h>
chris@190: #define hv_assert(e) assert(e)
chris@190: 
chris@190: // Export and Inline
chris@190: #if HV_MSVC
chris@190: #define HV_EXPORT __declspec(dllexport)
chris@190: #define inline __inline
chris@190: #define HV_FORCE_INLINE __forceinline
chris@190: #else
chris@190: #define HV_EXPORT
chris@190: #define HV_FORCE_INLINE inline __attribute__((always_inline))
chris@190: #endif
chris@190: 
chris@190: // Math
chris@190: #include <math.h>
chris@190: static inline hv_size_t __hv_utils_max_ui(hv_size_t x, hv_size_t y) { return (x > y) ? x : y; }
chris@190: static inline hv_size_t __hv_utils_min_ui(hv_size_t x, hv_size_t y) { return (x < y) ? x : y; }
chris@190: static inline hv_int32_t __hv_utils_max_i(hv_int32_t x, hv_int32_t y) { return (x > y) ? x : y; }
chris@190: static inline hv_int32_t __hv_utils_min_i(hv_int32_t x, hv_int32_t y) { return (x < y) ? x : y; }
chris@190: #define hv_max_ui(a, b) __hv_utils_max_ui(a, b)
chris@190: #define hv_min_ui(a, b) __hv_utils_min_ui(a, b)
chris@190: #define hv_max_i(a, b) __hv_utils_max_i(a, b)
chris@190: #define hv_min_i(a, b) __hv_utils_min_i(a, b)
chris@190: #define hv_max_f(a, b) fmaxf(a, b)
chris@190: #define hv_min_f(a, b) fminf(a, b)
chris@190: #define hv_max_d(a, b) fmax(a, b)
chris@190: #define hv_min_d(a, b) fmin(a, b)
chris@190: #define hv_sin_f(a) sinf(a)
chris@190: #define hv_sinh_f(a) sinhf(a)
chris@190: #define hv_cos_f(a) cosf(a)
chris@190: #define hv_cosh_f(a) coshf(a)
chris@190: #define hv_tan_f(a) tanf(a)
chris@190: #define hv_tanh_f(a) tanhf(a)
chris@190: #define hv_asin_f(a) asinf(a)
chris@190: #define hv_asinh_f(a) asinhf(a)
chris@190: #define hv_acos_f(a) acosf(a)
chris@190: #define hv_acosh_f(a) acoshf(a)
chris@190: #define hv_atan_f(a) atanf(a)
chris@190: #define hv_atanh_f(a) atanhf(a)
chris@190: #define hv_atan2_f(a, b) atan2f(a, b)
chris@190: #define hv_exp_f(a) expf(a)
chris@190: #define hv_abs_f(a) fabsf(a)
chris@190: #define hv_sqrt_f(a) sqrtf(a)
chris@190: #define hv_log_f(a) logf(a)
chris@190: #define hv_log2_f(a) log2f(a)
chris@190: #define hv_log10_f(a) log10f(a)
chris@190: #define hv_ceil_f(a) ceilf(a)
chris@190: #define hv_floor_f(a) floorf(a)
chris@190: #define hv_round_f(a) roundf(a)
chris@190: #define hv_pow_f(a, b) powf(a, b)
chris@190: #define hv_fma_f(a, b, c) ((a*b)+c) // TODO(joe): use 'fmaf(a, b, c)' once emscripten supports it
chris@190: #if HV_MSVC
chris@190:   // finds ceil(log2(x))
chris@190:   #include <intrin.h>
chris@190:   static inline hv_uint32_t __hv_utils_min_max_log2(hv_uint32_t x) {
chris@190:     unsigned long z = 0;
chris@190:     _BitScanReverse(&z, x);
chris@190:     return (hv_uint32_t) (z+1);
chris@190:   }
chris@190: #else
chris@190:   static inline hv_uint32_t __hv_utils_min_max_log2(hv_uint32_t x) {
chris@190:     return (hv_uint32_t) (32 - __builtin_clz(x-1));
chris@190:   }
chris@190: #endif
chris@190: #define hv_min_max_log2(a) __hv_utils_min_max_log2(a)
chris@190: 
chris@190: #endif // _HEAVY_UTILS_H_