FastLED 3.9.15
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◆ lerp16by8()

LIB8STATIC uint16_t lerp16by8 ( uint16_t a,
uint16_t b,
fract8 frac )

Linear interpolation between two unsigned 16-bit values, with 8-bit fraction.

Definition at line 327 of file lib8tion.h.

328{
329 uint16_t result;
330 if( b > a) {
331 uint16_t delta = b - a;
332 uint16_t scaled = scale16by8( delta, frac);
333 result = a + scaled;
334 } else {
335 uint16_t delta = a - b;
336 uint16_t scaled = scale16by8( delta, frac);
337 result = a - scaled;
338 }
339 return result;
340}
LIB8STATIC_ALWAYS_INLINE uint16_t scale16by8(uint16_t i, fract8 scale)
Scale a 16-bit unsigned value by an 8-bit value, which is treated as the numerator of a fraction whos...
Definition scale8.h:478

References LIB8STATIC, and scale16by8().

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