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mod.ts
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constjs=true;
exportdeclarefunctionmod(x: f64,y: f64): f64;
functioncheck<T>(actual: T,expected: T): bool{
if(isNaN(expected))returnisNaN(actual);
if(expected==0)return1/expected==1/actual;
returnactual==expected;
}
// === f64 % f64 ================================
functiontest_fmod(left: f64,right: f64,expected: f64): bool{
returncheck<f64>(left%right,expected)&&
(!js||check<f64>(mod(left,right),expected));
}
// sanity
assert(test_fmod(3.0,2.0,1.0));
assert(test_fmod(3.0,-2.0,1.0));
assert(test_fmod(-3.0,2.0,-1.0));
assert(test_fmod(-3.0,-2.0,-1.0));
assert(test_fmod(3.5,2.0,1.5));
assert(test_fmod(3.5,-2.0,1.5));
assert(test_fmod(-3.5,2.0,-1.5));
assert(test_fmod(-3.5,-2.0,-1.5));
assert(test_fmod(3.0,2.5,0.5));
assert(test_fmod(3.0,-2.5,0.5));
assert(test_fmod(-3.0,2.5,-0.5));
assert(test_fmod(-3.0,-2.5,-0.5));
assert(test_fmod(0.5,1.0,0.5));
assert(test_fmod(0.5,-1.0,0.5));
assert(test_fmod(-0.5,1.0,-0.5));
assert(test_fmod(-0.5,-1.0,-0.5));
assert(test_fmod(1.5,1.0,0.5));
assert(test_fmod(1.5,-1.0,0.5));
assert(test_fmod(-1.5,1.0,-0.5));
assert(test_fmod(-1.5,-1.0,-0.5));
assert(test_fmod(1.25,1.0,0.25));
assert(test_fmod(1.25,-1.0,0.25));
assert(test_fmod(-1.25,1.0,-0.25));
assert(test_fmod(-1.25,-1.0,-0.25));
assert(test_fmod(1.0,1.25,1.0));
assert(test_fmod(1.0,-1.25,1.0));
assert(test_fmod(-1.0,1.25,-1.0));
assert(test_fmod(-1.0,-1.25,-1.0));
assert(test_fmod(-13,64,-13));
// special
assert(test_fmod(0.0,0.0,NaN));
assert(test_fmod(-0.0,0.0,NaN));
assert(test_fmod(0.0,-0.0,NaN));
assert(test_fmod(-0.0,-0.0,NaN));
assert(test_fmod(0.0,1.0,0.0));
assert(test_fmod(-0.0,1.0,-0.0));
assert(test_fmod(0.0,-1.0,0.0));
assert(test_fmod(-0.0,-1.0,-0.0));
assert(test_fmod(1.0,0.0,NaN));
assert(test_fmod(-1.0,0.0,NaN));
assert(test_fmod(1.0,-0.0,NaN));
assert(test_fmod(-1.0,-0.0,NaN));
assert(test_fmod(NaN,0.0,NaN));
assert(test_fmod(NaN,-0.0,NaN));
assert(test_fmod(NaN,1.0,NaN));
assert(test_fmod(NaN,-1.0,NaN));
assert(test_fmod(NaN,0.0,NaN));
assert(test_fmod(NaN,-0.0,NaN));
assert(test_fmod(NaN,1.0,NaN));
assert(test_fmod(NaN,-1.0,NaN));
assert(test_fmod(NaN,NaN,NaN));
assert(test_fmod(0.0,Infinity,0.0));
assert(test_fmod(-0.0,Infinity,-0.0));
assert(test_fmod(0.0,-Infinity,0.0));
assert(test_fmod(-0.0,-Infinity,-0.0));
assert(test_fmod(1.0,Infinity,1.0));
assert(test_fmod(-1.0,Infinity,-1.0));
assert(test_fmod(1.0,-Infinity,1.0));
assert(test_fmod(-1.0,-Infinity,-1.0));
assert(test_fmod(Infinity,0.0,NaN));
assert(test_fmod(Infinity,-0.0,NaN));
assert(test_fmod(-Infinity,0.0,NaN));
assert(test_fmod(-Infinity,-0.0,NaN));
assert(test_fmod(Infinity,1.0,NaN));
assert(test_fmod(Infinity,-1.0,NaN));
assert(test_fmod(-Infinity,1.0,NaN));
assert(test_fmod(-Infinity,-1.0,NaN));
assert(test_fmod(Infinity,Infinity,NaN));
assert(test_fmod(-Infinity,Infinity,NaN));
assert(test_fmod(Infinity,-Infinity,NaN));
assert(test_fmod(-Infinity,-Infinity,NaN));
assert(test_fmod(Infinity,NaN,NaN));
assert(test_fmod(-Infinity,NaN,NaN));
assert(test_fmod(NaN,Infinity,NaN));
assert(test_fmod(NaN,-Infinity,NaN));
// === f32 % f32 ================================
functiontest_fmodf(left: f32,right: f32,expected: f32): bool{
returncheck<f32>(left%right,expected);
}
// sanity
assert(test_fmodf(3.0,2.0,1.0));
assert(test_fmodf(3.0,-2.0,1.0));
assert(test_fmodf(-3.0,2.0,-1.0));
assert(test_fmodf(-3.0,-2.0,-1.0));
assert(test_fmodf(3.5,2.0,1.5));
assert(test_fmodf(3.5,-2.0,1.5));
assert(test_fmodf(-3.5,2.0,-1.5));
assert(test_fmodf(-3.5,-2.0,-1.5));
assert(test_fmodf(3.0,2.5,0.5));
assert(test_fmodf(3.0,-2.5,0.5));
assert(test_fmodf(-3.0,2.5,-0.5));
assert(test_fmodf(-3.0,-2.5,-0.5));
assert(test_fmodf(0.5,1.0,0.5));
assert(test_fmodf(0.5,-1.0,0.5));
assert(test_fmodf(-0.5,1.0,-0.5));
assert(test_fmodf(-0.5,-1.0,-0.5));
assert(test_fmodf(1.5,1.0,0.5));
assert(test_fmodf(1.5,-1.0,0.5));
assert(test_fmodf(-1.5,1.0,-0.5));
assert(test_fmodf(-1.5,-1.0,-0.5));
// special
assert(test_fmodf(0.0,0.0,NaN));
assert(test_fmodf(-0.0,0.0,NaN));
assert(test_fmodf(0.0,-0.0,NaN));
assert(test_fmodf(-0.0,-0.0,NaN));
assert(test_fmodf(1.0,0.0,NaN));
assert(test_fmodf(-1.0,0.0,NaN));
assert(test_fmodf(1.0,-0.0,NaN));
assert(test_fmodf(-1.0,-0.0,NaN));
assert(test_fmodf(NaN,0.0,NaN));
assert(test_fmodf(NaN,-0.0,NaN));
assert(test_fmodf(NaN,1.0,NaN));
assert(test_fmodf(NaN,-1.0,NaN));
assert(test_fmodf(NaN,0.0,NaN));
assert(test_fmodf(NaN,-0.0,NaN));
assert(test_fmodf(NaN,1.0,NaN));
assert(test_fmodf(NaN,-1.0,NaN));
assert(test_fmodf(NaN,NaN,NaN));
assert(test_fmodf(0.0,Infinity,0.0));
assert(test_fmodf(-0.0,Infinity,-0.0));
assert(test_fmodf(0.0,-Infinity,0.0));
assert(test_fmodf(-0.0,-Infinity,-0.0));
assert(test_fmodf(1.0,Infinity,1.0));
assert(test_fmodf(-1.0,Infinity,-1.0));
assert(test_fmodf(1.0,-Infinity,1.0));
assert(test_fmodf(-1.0,-Infinity,-1.0));
assert(test_fmodf(Infinity,0.0,NaN));
assert(test_fmodf(Infinity,-0.0,NaN));
assert(test_fmodf(-Infinity,0.0,NaN));
assert(test_fmodf(-Infinity,-0.0,NaN));
assert(test_fmodf(Infinity,1.0,NaN));
assert(test_fmodf(Infinity,-1.0,NaN));
assert(test_fmodf(-Infinity,1.0,NaN));
assert(test_fmodf(-Infinity,-1.0,NaN));
assert(test_fmodf(Infinity,Infinity,NaN));
assert(test_fmodf(-Infinity,Infinity,NaN));
assert(test_fmodf(Infinity,-Infinity,NaN));
assert(test_fmodf(-Infinity,-Infinity,NaN));
assert(test_fmodf(Infinity,NaN,NaN));
assert(test_fmodf(-Infinity,NaN,NaN));
assert(test_fmodf(NaN,Infinity,NaN));
assert(test_fmodf(NaN,-Infinity,NaN));
