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16 lines
495 B
Zig
16 lines
495 B
Zig
const math = @import("../math.zig");
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/// Returns the machine epsilon for type T.
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/// This is the smallest value of type T that satisfies the inequality 1.0 +
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/// epsilon != 1.0.
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pub fn epsilon(comptime T: type) T {
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return switch (T) {
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f16 => math.f16_epsilon,
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f32 => math.f32_epsilon,
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f64 => math.f64_epsilon,
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f80 => math.f80_epsilon,
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f128 => math.f128_epsilon,
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else => @compileError("epsilon not implemented for " ++ @typeName(T)),
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};
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}
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