diff options
Diffstat (limited to 'compiler/rodutils.nim')
| -rw-r--r-- | compiler/rodutils.nim | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/compiler/rodutils.nim b/compiler/rodutils.nim index 353992fca..5355829c1 100644 --- a/compiler/rodutils.nim +++ b/compiler/rodutils.nim @@ -10,6 +10,9 @@ ## Serialization utilities for the compiler. import std/[strutils, math] +when defined(nimPreviewSlimSystem): + import std/assertions + # bcc on windows doesn't have C99 functions when defined(windows) and defined(bcc): {.emit: """#if defined(_MSC_VER) && _MSC_VER < 1900 @@ -31,7 +34,7 @@ when defined(windows) and defined(bcc): #endif """.} -proc c_snprintf(s: cstring; n:uint; frmt: cstring): cint {.importc: "snprintf", header: "<stdio.h>", nodecl, varargs.} +proc c_snprintf(s: cstring; n: uint; frmt: cstring): cint {.importc: "snprintf", header: "<stdio.h>", nodecl, varargs.} when not declared(signbit): @@ -39,7 +42,10 @@ when not declared(signbit): proc signbit*(x: SomeFloat): bool {.inline.} = result = c_signbit(x) != 0 -proc toStrMaxPrecision*(f: BiggestFloat, literalPostfix = ""): string = +import std/formatfloat + +proc toStrMaxPrecision*(f: BiggestFloat | float32): string = + const literalPostfix = when f is float32: "f" else: "" case classify(f) of fcNan: if signbit(f): @@ -55,9 +61,9 @@ proc toStrMaxPrecision*(f: BiggestFloat, literalPostfix = ""): string = of fcNegInf: result = "-INF" else: - result = newString(81) - let n = c_snprintf(result.cstring, result.len.uint, "%#.16e%s", f, literalPostfix.cstring) - setLen(result, n) + result = "" + result.addFloatRoundtrip(f) + result.add literalPostfix proc encodeStr*(s: string, result: var string) = for i in 0..<s.len: |