Created
September 11, 2014 10:55
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| (* 対称 *) | |
| (* float * float -> (float * float) *) | |
| let taisho_x p = | |
| match p with | |
| (x, y) -> (x, -. y) | |
| let taisho_x1 = taisho_x (10., 20.) = (10., -20.) | |
| let taisho_x2 = taisho_x (8., -5.2) = (8., 5.2) | |
| let taisho_x3 = taisho_x (-10.5, 20.1) = (-10.5, -20.1) |
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