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add more corner case tests to float_parse (#11727)

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also drop some unused constants

Co-authored-by: Andrew Kelley <andrew@ziglang.org>
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Andreas Reischuck 2022-05-27 04:05:53 +02:00 committed by GitHub
parent 41162ed646
commit 5a8b6149fb
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2 changed files with 10 additions and 2 deletions
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10
lib/std/fmt/parse_float.zig
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@ -57,6 +57,16 @@ test "fmt.parseFloat" {
try expect(approxEqAbs(T, try parseFloat(T, "1e-2"), 0.01, epsilon));
try expect(approxEqAbs(T, try parseFloat(T, "1234e-2"), 12.34, epsilon));
try expect(approxEqAbs(T, try parseFloat(T, "1."), 1, epsilon));
try expect(approxEqAbs(T, try parseFloat(T, "0."), 0, epsilon));
try expect(approxEqAbs(T, try parseFloat(T, ".1"), 0.1, epsilon));
try expect(approxEqAbs(T, try parseFloat(T, ".0"), 0, epsilon));
try expect(approxEqAbs(T, try parseFloat(T, ".1e-1"), 0.01, epsilon));
try expectError(error.InvalidCharacter, parseFloat(T, ".")); // At least one digit is required.
try expectError(error.InvalidCharacter, parseFloat(T, ".e1")); // At least one digit is required.
try expectError(error.InvalidCharacter, parseFloat(T, "0.e")); // At least one digit is required.
try expect(approxEqAbs(T, try parseFloat(T, "123142.1"), 123142.1, epsilon));
try expect(approxEqAbs(T, try parseFloat(T, "-123142.1124"), @as(T, -123142.1124), epsilon));
try expect(approxEqAbs(T, try parseFloat(T, "0.7062146892655368"), @as(T, 0.7062146892655368), epsilon));

2
lib/std/fmt/parse_float/parse_float.zig
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@ -1,7 +1,5 @@
const std = @import("std");
const parse = @import("parse.zig");
const parseNumber = parse.parseNumber;
const parseInfOrNan = parse.parseInfOrNan;
const convertFast = @import("convert_fast.zig").convertFast;
const convertEiselLemire = @import("convert_eisel_lemire.zig").convertEiselLemire;
const convertSlow = @import("convert_slow.zig").convertSlow;