Begin forwarded message:
Date: Thu, 02 Dec 2021 12:56:15 -0800
From: "yuri@FreeBSD" <notificati...@github.com>
To: Yoshimi/yoshimi <yosh...@noreply.github.com>
Cc: Subscribed <subscri...@noreply.github.com>
Subject: [Yoshimi/yoshimi] 2.1.2.1: error: constexpr variable 'LN_BASE' must be
initialized by a constant expression (Issue #156)
It fails when built with clang-12:
```
/wrkdirs/usr/ports/audio/yoshimi/work/yoshimi-2.1.2.1/src/Misc/NumericFuncs.h:96:32:
error: constexpr variable 'LN_BASE' must be initialized by a constant
expression static constexpr float LN_BASE = log(fraction? 1.0/base :
double(base)); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/wrkdirs/usr/ports/audio/yoshimi/work/yoshimi-2.1.2.1/src/Misc/NumericFuncs.h:109:12:
note: in instantiation of template class 'func::(anonymous
namespace)::PowerFunction<10, false>' requested here return
PowerFunction<base>::invoke(exponent); ^
/wrkdirs/usr/ports/audio/yoshimi/work/yoshimi-2.1.2.1/src/Misc/NumericFuncs.h:129:12:
note: in instantiation of function template specialization 'func::power<10>'
requested here return power<10>(float(scale)/20.0f * param); ^
/wrkdirs/usr/ports/audio/yoshimi/work/yoshimi-2.1.2.1/src/Params/FilterParams.h:73:22:
note: in instantiation of function template specialization 'func::decibel<-80>'
requested here { return decibel<-80>(1.0f - amp / 127.0f); } ^
/wrkdirs/usr/ports/audio/yoshimi/work/yoshimi-2.1.2.1/src/Misc/NumericFuncs.h:96:42:
note: non-constexpr function 'log' cannot be used in a constant expression
static constexpr float LN_BASE = log(fraction? 1.0/base : double(base)); ^
/usr/include/math.h:252:8: note: declared here double log(double); ^
```
OS: FreeBSD 13
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Exchange them and we can both have a poem, a tune, and a song.
It fails when built with clang-12:
/wrkdirs/usr/ports/audio/yoshimi/work/yoshimi-2.1.2.1/src/Misc/NumericFuncs.h:96:32: error: constexpr variable 'LN_BASE' must be initialized by a constant _expression_
static constexpr float LN_BASE = log(fraction? 1.0/base : double(base));
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/wrkdirs/usr/ports/audio/yoshimi/work/yoshimi-2.1.2.1/src/Misc/NumericFuncs.h:109:12: note: in instantiation of template class 'func::(anonymous namespace)::PowerFunction<10, false>' requested here
return PowerFunction<base>::invoke(exponent);
^
/wrkdirs/usr/ports/audio/yoshimi/work/yoshimi-2.1.2.1/src/Misc/NumericFuncs.h:129:12: note: in instantiation of function template specialization 'func::power<10>' requested here
return power<10>(float(scale)/20.0f * param);
^
/wrkdirs/usr/ports/audio/yoshimi/work/yoshimi-2.1.2.1/src/Params/FilterParams.h:73:22: note: in instantiation of function template specialization 'func::decibel<-80>' requested here
{ return decibel<-80>(1.0f - amp / 127.0f); }
^
/wrkdirs/usr/ports/audio/yoshimi/work/yoshimi-2.1.2.1/src/Misc/NumericFuncs.h:96:42: note: non-constexpr function 'log' cannot be used in a constant _expression_
static constexpr float LN_BASE = log(fraction? 1.0/base : double(base));
^
/usr/include/math.h:252:8: note: declared here
double log(double);
^
OS: FreeBSD 13
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