diff options
Diffstat (limited to 'src/runtime/print.go')
| -rw-r--r-- | src/runtime/print.go | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/src/runtime/print.go b/src/runtime/print.go index 5d1bc22809..d65e457a03 100644 --- a/src/runtime/print.go +++ b/src/runtime/print.go @@ -122,23 +122,35 @@ func printbool(v bool) { } } +// float64 requires 1+17+1+1+1+3 = 24 bytes max (sign+digits+decimal point+e+sign+exponent digits). +const float64Bytes = 24 + func printfloat64(v float64) { - var buf [20]byte + var buf [float64Bytes]byte gwrite(strconv.AppendFloat(buf[:0], v, 'g', -1, 64)) } +// float32 requires 1+9+1+1+1+2 = 15 bytes max (sign+digits+decimal point+e+sign+exponent digits). +const float32Bytes = 15 + func printfloat32(v float32) { - var buf [20]byte + var buf [float32Bytes]byte gwrite(strconv.AppendFloat(buf[:0], float64(v), 'g', -1, 32)) } +// complex128 requires 24+24+1+1+1 = 51 bytes max (paren+float64+float64+i+paren). +const complex128Bytes = 2*float64Bytes + 3 + func printcomplex128(c complex128) { - var buf [44]byte + var buf [complex128Bytes]byte gwrite(strconv.AppendComplex(buf[:0], c, 'g', -1, 128)) } +// complex64 requires 15+15+1+1+1 = 33 bytes max (paren+float32+float32+i+paren). +const complex64Bytes = 2*float32Bytes + 3 + func printcomplex64(c complex64) { - var buf [44]byte + var buf [complex64Bytes]byte gwrite(strconv.AppendComplex(buf[:0], complex128(c), 'g', -1, 64)) } |