lib/standard/math: Fixed documentation on old binary operators

[nit.git] / lib / standard / math.nit

diff --git a/lib/standard/math.nit b/lib/standard/math.nit
index 7db6fa3..fbf9043 100644 (file)
--- a/lib/standard/math.nit
+++ b/lib/standard/math.nit
@@ -23,10 +23,32 @@ in "C header" `{
 redef class Int
        # Returns a random `Int` in `[0 .. self[`.
        fun rand: Int is extern "kernel_Int_Int_rand_0"
+
+       # Returns the result of a binary AND operation on `self` and `i`
+       #
+       #    assert 0x10.bin_and(0x01) == 0
        fun bin_and(i: Int): Int is extern "kernel_Int_Int_binand_0"
+
+       # Returns the result of a binary OR operation on `self` and `i`
+       #
+       #    assert 0x10.bin_or(0x01) == 0x11
        fun bin_or(i: Int): Int is extern "kernel_Int_Int_binor_0"
+
+       # Returns the result of a binary XOR operation on `self` and `i`
+       #
+       #    assert 0x101.bin_xor(0x110) == 0x11
        fun bin_xor(i: Int): Int is extern "kernel_Int_Int_binxor_0"
+
+       # Returns the 1's complement of `self`
+       #
+       #    assert 0x2F.bin_not == -48
+       fun bin_not: Int is extern "kernel_Int_Int_binnot_0"
+
+       # Returns the square root of `self`
+       #
+       #    assert 16.sqrt == 4
        fun sqrt: Int `{ return sqrt(recv); `}
+
        # Returns the greatest common divisor of `self` and `o`
        #
        #     assert 54.gcd(24)   == 6