63 lines
1.8 KiB
JavaScript
63 lines
1.8 KiB
JavaScript
let Math = {
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// ## **`Math.ceil(x)`**
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// Rounds x upward, returning the smallest integral value that is not less
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// than x.
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ceil: ffi('double ceil(double)'),
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// ## **`Math.floor(x)`**
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// Rounds x downward, returning the largest integral value that is not
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// greater than x.
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floor: ffi('double floor(double)'),
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// ## **`Math.round(x)`**
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// Returns the integral value that is nearest to x, with halfway cases
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// rounded away from zero.
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round: ffi('double round(double)'),
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// ## **`Math.max(x, y)`**
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// Returns the larger of its arguments: either `x` or `y`.
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// If one of the arguments in a NaN, the other is returned.
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max: ffi('double fmax(double, double)'),
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// ## **`Math.min(x, y)`**
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// Returns the smaller of its arguments: either `x` or `y`.
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// If one of the arguments in a NaN, the other is returned.
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min: ffi('double fmin(double, double)'),
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// ## **`Math.abs(x)`**
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// Returns the absolute value of `x`: |x|.
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abs: ffi('double fabs(double)'),
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// ## **`Math.sqrt(x)`**
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// Returns the square root of `x`.
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sqrt: ffi('double sqrt(double)'),
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// ## **`Math.floor(x)`**
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// Returns the base-e exponential function of `x`, which is e raised to the
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// power `x`.
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exp: ffi('double exp(double)'),
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// ## **`Math.log(x)`**
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// Returns the natural logarithm of `x`.
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log: ffi('double log(double)'),
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// ## **`Math.pow(base, exponent)`**
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// Returns `base` raised to the power `exponent`
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pow: ffi('double pow(double, double)'),
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// ## **`Math.sin(x)`**
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// Returns the sine of an angle of `x` radians.
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sin: ffi('double sin(double)'),
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// ## **`Math.cos(x)`**
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// Returns the cosine of an angle of `x` radians.
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cos: ffi('double cos(double)'),
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// ## **`Math.random(x)`**
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// Returns the pseudo-random number from 0.0 to 1.0
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random: function() { return Math.rand() / 0x7fffffff; },
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rand: ffi('int rand()'),
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};
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