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/*
common/functions.cc
This file is part of the Osirion project and is distributed under
the terms of the GNU General Public License version 2
*/
// project headers
#include "math/functions.h"
namespace math {
float min(float a, float b) {
return (a < b ? a : b);
}
float max(float a, float b) {
return (a > b ? a : b);
}
int min(int a, int b) {
return (a < b ? a : b);
}
int max(int a, int b) {
return (a > b ? a : b);
}
float randomf(const float max) {
return ((float) rand() / (float) RAND_MAX) * max;
}
unsigned randomi(const unsigned int max) {
return ((unsigned int)(rand() % max));
}
float degrees180f(float angle) {
float r = angle;
while (r <= -180.0f)
r += 360.0f;
while (r >= 180.0f)
r -= 360.0f;
return r;
}
float degrees360f(float angle) {
float r = angle;
while (r < 0.0f)
r += 360.0f;
while (r >= 360.0f)
r -= 360.0f;
return r;
}
float sgnf(float value)
{
if (value < 0 )
return -1;
else if (value == 0 )
return 0;
return 1;
}
} // namespace math
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