#pragma once

#include <stdbool.h>
#include <stdlib.h>

#define M_PI 3.14159265359
#define M_PI_2 1.57079632679

#define abs(x) (((x) < 0) ? -(x) : (x))
#define max(a, b) (((a) > (b)) ? (a) : (b))
#define min(a, b) (((a) < (b)) ? (a) : (b))

#ifdef __cplusplus
extern "C" {
#endif

static inline bool isnan(double x) {
    return x != x;
}
static inline bool isinf(double x) {
    return !isnan(x) && isnan(x - x);
}

IMPORT(Math_sin) double sin(double x);
static inline double cos(double x) {
    return sin(x + M_PI_2);
}

#ifdef __cplusplus
}
#endif