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pcm/FloatConvert: add static_assert on the factor

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This assertion currently fails for S32 due to integer overflow (#380).
This commit is contained in:
Max Kellermann
2018-10-29 22:38:32 +01:00
parent 7aa1dceef6
commit b0a6a569df
1 changed files with 2 additions and 0 deletions
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2
src/pcm/FloatConvert.hxx
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@@ -35,6 +35,7 @@ struct FloatToIntegerSampleConvert {
typedef typename DstTraits::value_type DV;
static constexpr SV factor = 1 << (DstTraits::BITS - 1);
static_assert(factor > 0, "Wrong factor");
gcc_const
static DV Convert(SV src) noexcept {
@@ -54,6 +55,7 @@ struct IntegerToFloatSampleConvert {
typedef typename DstTraits::value_type DV;
static constexpr DV factor = 0.5 / (1 << (SrcTraits::BITS - 2));
static_assert(factor > 0, "Wrong factor");
gcc_const
static DV Convert(SV src) noexcept {