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AP_Math: removed fast_atan

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This commit is contained in:
Andrew Tridgell 2015-05-05 13:57:22 +10:00
parent 872583f441
commit 77a2b4acf6
2 changed files with 0 additions and 10 deletions
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7
libraries/AP_Math/AP_Math.cpp
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@ -32,13 +32,6 @@ float safe_sqrt(float v)
return ret;
}
// a faster varient of atan. accurate to 6 decimal places for values between -1 ~ 1 but then diverges quickly
float fast_atan(float v)
{
float v2 = v*v;
return (v*(1.6867629106f + v2*0.4378497304f)/(1.6867633134f + v2));
}
#if ROTATION_COMBINATION_SUPPORT
// find a rotation that is the combination of two other
// rotations. This is used to allow us to add an overall board

3
libraries/AP_Math/AP_Math.h
View File

@ -88,9 +88,6 @@ float safe_asin(float v);
// a varient of sqrt() that always gives a valid answer.
float safe_sqrt(float v);
// a faster varient of atan. accurate to 6 decimal places for values between -1 ~ 1 but then diverges quickly
float fast_atan(float v);
#if ROTATION_COMBINATION_SUPPORT
// find a rotation that is the combination of two other
// rotations. This is used to allow us to add an overall board