OsApproxEquals
From OpenSimulator
integer osApproxEquals(float a, float b)
integer osApproxEquals(vector va, vector vb) | |
Returns 1 (true) if the quantities or all their components do not differ by the margin value, or 1e-6 (0.000001), if margin is not provided. Returns 0 (false) otherwise. | |
Threat Level | This function does not do a threat level check |
Permissions | Use of this function is always allowed by default |
Extra Delay | 0 seconds |
Example(s) | |
Compare two floats
// // osApproxEquals Script Exemple // Author: djphil // integer switch; default { state_entry() { llSay(PUBLIC_CHANNEL, "Touch to see osApproxEquals usage."); llSay(PUBLIC_CHANNEL, "This exemple compare two floats."); } touch_start(integer number) { float fa = 1.000000; float fb = 1.000001; if (switch =! switch) { fb = 1.000002; } llSay(PUBLIC_CHANNEL, "The float \"fa\" value is " + (string)fa); llSay(PUBLIC_CHANNEL, "The float \"fb\" value is " + (string)fb); // On Xengine use if (osApproxEquals(a, b) == TRUE) if (osApproxEquals(fa, fb)) { llSay(PUBLIC_CHANNEL, "The values fa and fb are closer than 0.000001 on x, y and z ..."); } else { llSay(PUBLIC_CHANNEL, "The values fa and fb are not closer than 0.000001 on x, y and z ..."); } } } Compare two vectors // // osApproxEquals Script Exemple // Author: djphil // integer switch; default { state_entry() { llSay(PUBLIC_CHANNEL, "Touch to see osApproxEquals usage."); llSay(PUBLIC_CHANNEL, "This exemple compare two vectors."); } touch_start(integer number) { vector va = <1.000000, 1.000000, 1.000000>; vector vb = <1.000001, 1.000001, 1.000001>; if (switch =! switch) { vb = <1.000002, 1.000002, 1.000002>; } llSay(PUBLIC_CHANNEL, "The vector \"va\" value is " + (string)va); llSay(PUBLIC_CHANNEL, "The vector \"vb\" value is " + (string)vb); // On Xengine use if (osApproxEquals(a, b) == TRUE) if (osApproxEquals(va, vb)) { llSay(PUBLIC_CHANNEL, "The values va and vb are closer than 0.000001 on x, y and z ..."); } else { llSay(PUBLIC_CHANNEL, "The values va and vb are not closer than 0.000001 on x, y and z ..."); } } } Compare two rotations // // osApproxEquals Script Exemple // Author: djphil // integer switch; default { state_entry() { llSay(PUBLIC_CHANNEL, "Touch to see osApproxEquals usage."); llSay(PUBLIC_CHANNEL, "This exemple compare two rotations."); } touch_start(integer number) { rotation ra = <1.000000, 1.000000, 1.000000, 1.000000>; rotation rb = <1.000001, 1.000001, 1.000001, 1.000001>; if (switch =! switch) { rb = <1.000002, 1.000002, 1.000002, 1.000002>; } llSay(PUBLIC_CHANNEL, "The rotation \"ra\" value is " + (string)ra); llSay(PUBLIC_CHANNEL, "The rotation \"rb\" value is " + (string)rb); // On Xengine use if (osApproxEquals(a, b) == TRUE) if (osApproxEquals(ra, rb)) { llSay(PUBLIC_CHANNEL, "The values ra and rb are closer than 0.000001 on x, y and z ..."); } else { llSay(PUBLIC_CHANNEL, "The values ra and rb are not closer than 0.000001 on x, y and z ..."); } } } Compare two floats with margin // // osApproxEquals Script Exemple // Author: djphil // float margin = 0.2; integer switch; default { state_entry() { llSay(PUBLIC_CHANNEL, "Touch to see osApproxEquals usage."); llSay(PUBLIC_CHANNEL, "This exemple compare two floats with a margin of " + (string)margin); } touch_start(integer number) { float fa = 1.000000; float fb = 1.000001; if (switch =! switch) { fb = 1.000001 + margin; } llSay(PUBLIC_CHANNEL, "The float \"fa\" value is " + (string)fa); llSay(PUBLIC_CHANNEL, "The float \"fb\" value is " + (string)fb); llSay(PUBLIC_CHANNEL, "The margin value is " + (string)margin); // On Xengine use if (osApproxEquals(a, b) == TRUE) if (osApproxEquals(fa, fb, margin)) { llSay(PUBLIC_CHANNEL, "The values fa and fb are almost equal."); } else { llSay(PUBLIC_CHANNEL, "The values fa and fb are not almost equal."); } } } | |
Notes | |
Implemented November 20, 2018 |