#pragma once

#include <stdbool.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);
}

float sinf(float x);
static inline float cosf(float x) {
    return sinf(x + M_PI_2);
}
static inline float tanf(float x) {
    return sinf(x) / cosf(x);
}

float fmodf(float x, float y);

#ifdef __cplusplus
}
#endif