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Code Issues Wiki Activity

Made 'scaleRange' agnostic to order of ranges.

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This commit is contained in:
Michael Keller 2017-04-07 18:39:57 +12:00
parent d6de0c9e24
commit edc44bd830
3 changed files with 25 additions and 6 deletions
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8
src/main/common/maths.c
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@ -152,10 +152,10 @@ float degreesToRadians(int16_t degrees)
return degrees * RAD;
}
int scaleRange(int x, int srcMin, int srcMax, int destMin, int destMax) {
long int a = ((long int) destMax - (long int) destMin) * ((long int) x - (long int) srcMin);
long int b = (long int) srcMax - (long int) srcMin;
return (a / b) + destMin;
int scaleRange(int x, int srcFrom, int srcTo, int destFrom, int destTo) {
long int a = ((long int) destTo - (long int) destFrom) * ((long int) x - (long int) srcFrom);
long int b = (long int) srcTo - (long int) srcFrom;
return (a / b) + destFrom;
}
// Normalize a vector