diff options
Diffstat (limited to 'lib/std/math/log.zig')
| -rw-r--r-- | lib/std/math/log.zig | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/lib/std/math/log.zig b/lib/std/math/log.zig index 77f3639fd2..40b716b005 100644 --- a/lib/std/math/log.zig +++ b/lib/std/math/log.zig @@ -23,10 +23,10 @@ pub fn log(comptime T: type, base: T, x: T) T { const float_base = math.lossyCast(f64, base); switch (@typeId(T)) { TypeId.ComptimeFloat => { - return @typeOf(1.0)(math.ln(f64(x)) / math.ln(float_base)); + return @typeOf(1.0)(math.ln(@as(f64, x)) / math.ln(float_base)); }, TypeId.ComptimeInt => { - return @typeOf(1)(math.floor(math.ln(f64(x)) / math.ln(float_base))); + return @typeOf(1)(math.floor(math.ln(@as(f64, x)) / math.ln(float_base))); }, builtin.TypeId.Int => { // TODO implement integer log without using float math @@ -35,7 +35,7 @@ pub fn log(comptime T: type, base: T, x: T) T { builtin.TypeId.Float => { switch (T) { - f32 => return @floatCast(f32, math.ln(f64(x)) / math.ln(float_base)), + f32 => return @floatCast(f32, math.ln(@as(f64, x)) / math.ln(float_base)), f64 => return math.ln(x) / math.ln(float_base), else => @compileError("log not implemented for " ++ @typeName(T)), } @@ -64,9 +64,9 @@ test "math.log float" { } test "math.log float_special" { - expect(log(f32, 2, 0.2301974) == math.log2(f32(0.2301974))); - expect(log(f32, 10, 0.2301974) == math.log10(f32(0.2301974))); + expect(log(f32, 2, 0.2301974) == math.log2(@as(f32, 0.2301974))); + expect(log(f32, 10, 0.2301974) == math.log10(@as(f32, 0.2301974))); - expect(log(f64, 2, 213.23019799993) == math.log2(f64(213.23019799993))); - expect(log(f64, 10, 213.23019799993) == math.log10(f64(213.23019799993))); + expect(log(f64, 2, 213.23019799993) == math.log2(@as(f64, 213.23019799993))); + expect(log(f64, 10, 213.23019799993) == math.log10(@as(f64, 213.23019799993))); } |