54 lines
1,022 B
C
54 lines
1,022 B
C
#ifndef _TOOLS_H
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#define _TOOLS_H
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#include <stdlib.h>
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#include <math.h>
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#ifndef new
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void* operator new(size_t sz);
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void operator delete(void* p);
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#endif
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#define max(a, b) (((a) > (b)) ? (a) : (b))
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#define min(a, b) (((a) < (b)) ? (a) : (b))
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#define sign(a) (((a) < 0) ? (-1) : (1))
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inline void sleep(int sec)
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{
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for (int s=0; s<sec; s++) {
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for (long int i=0; i<1405678; i++) {
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asm volatile("nop");
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}
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}
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};
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inline void msleep(int msec)
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{
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for (int s=0; s<msec; s++) {
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for (long int i=0; i<1405; i++) {
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asm volatile("nop");
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}
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}
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};
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inline void usleep(int usec)
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{
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usec *= 100;
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for (int s=0; s<usec; s++) {
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for (long int i=0; i<1405; i++) {
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asm volatile("nop");
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}
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}
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};
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inline float distance2d(float x1, float y1, float x2, float y2)
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{
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return sqrt(((x1 - x2) * (x1 - x2)) + ((y1 - y2) * (y1 - y2)));
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}
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inline float direction2d(float x1, float y1, float x2, float y2)
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{
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return atan((y2 - y1) / (x2 - x1));
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}
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#endif
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