Fix for map() function - supplied by @Pito

This commit is contained in:
Roger Clark 2017-09-03 11:00:16 +10:00
parent 23fa7b7c34
commit b1e1782019
2 changed files with 12 additions and 10 deletions

View File

@ -79,11 +79,12 @@ long random(long min, long max);
* @param toEnd the end of the value's mapped range.
* @return the mapped value.
*/
static inline long map(long value, long fromStart, long fromEnd,
long toStart, long toEnd) {
return (value - fromStart) * (toEnd - toStart) / (fromEnd - fromStart) +
toStart;
}
// Fix by Pito 9/2017
static inline int32_t map(int32_t value, int32_t fromStart, int32_t fromEnd,
int32_t toStart, int32_t toEnd) {
return ((int64_t)(value - fromStart) * (toEnd - toStart)) / (fromEnd - fromStart) +
toStart;
}
#define PI 3.1415926535897932384626433832795
#define HALF_PI 1.5707963267948966192313216916398

View File

@ -78,11 +78,12 @@ long random(long min, long max);
* @param toEnd the end of the value's mapped range.
* @return the mapped value.
*/
static inline long map(long value, long fromStart, long fromEnd,
long toStart, long toEnd) {
return (value - fromStart) * (toEnd - toStart) / (fromEnd - fromStart) +
toStart;
}
// Fix by Pito 9/2017
static inline int32_t map(int32_t value, int32_t fromStart, int32_t fromEnd,
int32_t toStart, int32_t toEnd) {
return ((int64_t)(value - fromStart) * (toEnd - toStart)) / (fromEnd - fromStart) +
toStart;
}
#define PI 3.1415926535897932384626433832795
#define HALF_PI 1.5707963267948966192313216916398