boo/soxr/src/internal.h

47 lines
1.1 KiB
C

/* SoX Resampler Library Copyright (c) 2007-13 robs@users.sourceforge.net
* Licence for this file: LGPL v2.1 See LICENCE for details. */
#if !defined soxr_internal_included
#define soxr_internal_included
#include "soxr-config.h"
#undef min
#undef max
#define min(a, b) ((a) <= (b) ? (a) : (b))
#define max(a, b) ((a) >= (b) ? (a) : (b))
#define range_limit(x, lower, upper) (min(max(x, lower), upper))
#define linear_to_dB(x) (log10(x) * 20)
#define array_length(a) (sizeof(a)/sizeof(a[0]))
#define AL(a) array_length(a)
#define iAL(a) (int)AL(a)
#define sqr(a) ((a) * (a))
#ifdef __GNUC__
#define UNUSED __attribute__ ((unused))
#else
#define UNUSED
#endif
#if defined NDEBUG || SOXR_SILENT
#ifdef __GNUC__
void lsx_dummy(char const *, ...);
#else
static __inline void lsx_dummy(char const * x, ...) {}
#endif
#define lsx_debug if(0) lsx_dummy
#else
#include <stdarg.h>
#include <stdio.h>
UNUSED static void lsx_debug(char const * fmt, ...)
{
va_list args;
va_start(args, fmt);
vfprintf(stderr, fmt, args);
fputc('\n', stderr);
va_end(args);
}
#endif
#endif