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26 lines
1.1 KiB
Zig
26 lines
1.1 KiB
Zig
const std = @import("std");
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const common = @import("common.zig");
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const builtin = @import("builtin");
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comptime {
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if (builtin.target.isMinGW()) {
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@export(&isnan, .{ .name = "isnan", .linkage = common.linkage, .visibility = common.visibility });
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@export(&isnan, .{ .name = "__isnan", .linkage = common.linkage, .visibility = common.visibility });
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@export(&isnanf, .{ .name = "isnanf", .linkage = common.linkage, .visibility = common.visibility });
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@export(&isnanf, .{ .name = "__isnanf", .linkage = common.linkage, .visibility = common.visibility });
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@export(&isnanl, .{ .name = "isnanl", .linkage = common.linkage, .visibility = common.visibility });
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@export(&isnanl, .{ .name = "__isnanl", .linkage = common.linkage, .visibility = common.visibility });
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}
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}
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fn isnan(x: f64) callconv(.c) c_int {
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return if (std.math.isNan(x)) 1 else 0;
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}
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fn isnanf(x: f32) callconv(.c) c_int {
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return if (std.math.isNan(x)) 1 else 0;
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}
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fn isnanl(x: c_longdouble) callconv(.c) c_int {
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return if (std.math.isNan(x)) 1 else 0;
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}
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