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Use the right sqrt for floats in C.

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Ryan Pavlik
2012-06-28 16:21:18 -05:00
parent 29e5fabeac
commit c800a049dc
1 changed files with 1 additions and 1 deletions
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src/dynamics.c
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@@ -173,8 +173,8 @@ void calc_joystick_state(struct joystick_t* js, float x, float y) {
ry = applyCalibration(y, js->min.y, js->max.y, js->center.y); ry = applyCalibration(y, js->min.y, js->max.y, js->center.y);
/* calculate the joystick angle and magnitude */ /* calculate the joystick angle and magnitude */
ang = RAD_TO_DEGREE(atan2f(ry, rx)); ang = RAD_TO_DEGREE(atan2f(ry, rx));
js->mag = (float) sqrt((rx * rx) + (ry * ry));
js->ang = ang + 180.0f; js->ang = ang + 180.0f;
js->mag = sqrtf((rx * rx) + (ry * ry));
} }