26 lines
518 B
Zig
26 lines
518 B
Zig
pub fn f64_from_bits(bits: u64) -> f64 {
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const bits2 = bits;
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*(&f64)(&bits2)
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}
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pub fn f64_to_bits(f: f64) -> u64 {
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const f2 = f;
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*(&u64)(&f2)
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}
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pub fn f64_get_pos_inf() -> f64 {
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f64_from_bits(0x7FF0000000000000)
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}
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pub fn f64_get_neg_inf() -> f64 {
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f64_from_bits(0xFFF0000000000000)
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}
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pub fn f64_is_nan(f: f64) -> bool {
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0x7FFFFFFFFFFFFFFF == f64_to_bits(f) // TODO improve to catch all cases
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}
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pub fn f64_is_inf(f: f64) -> bool {
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f == f64_get_neg_inf() || f == f64_get_pos_inf()
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}
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