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[Native] wasm: use JS pow method

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Replace usage of C pow() function with JS to fix the issue
with stack overflow caused by invocation of missing pow function
This commit is contained in:
Pavel Punegov
2021-08-06 14:37:56 +03:00
committed by Space
parent cd487efbe9
commit d7f5015faa
1 changed files with 16 additions and 4 deletions
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kotlin-native/runtime/src/main/cpp/dtoa/dblparse.cpp
+16 -4
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@@ -24,6 +24,9 @@
#include "../KString.h"
#include "../Natives.h"
#include "../utf8.h"
#include "../KotlinMath.h"
#include "../ReturnSlot.h"
#include "../DoubleConversions.h"
#if defined(LINUX) || defined(FREEBSD) || defined(ZOS) || defined(MACOSX) || defined(AIX)
#define USE_LL
@@ -285,6 +288,15 @@ KDouble createDouble (const char *s, KInt e)
}
#ifdef KONAN_WASM
double konan_pow(double base, double exponent) {
knjs__Math_pow(doubleUpper(base), doubleLower(base), doubleUpper(exponent), doubleLower(exponent));
return ReturnSlot_getDouble();
}
#else
#define konan_pow(arg1, arg2) pow(arg1, arg2)
#endif
KDouble
createDouble1 (U_64 * f, IDATA length, KInt e)
{
@@ -307,7 +319,7 @@ createDouble1 (U_64 * f, IDATA length, KInt e)
}
else if (e >= 0 && e < APPROX_MAX_MAGNITUDE)
{
result = toDoubleHighPrecision (f, length) * pow (10.0, (double) e);
result = toDoubleHighPrecision (f, length) * konan_pow (10.0, (double) e);
}
else if (e >= APPROX_MAX_MAGNITUDE)
{
@@ -327,14 +339,14 @@ createDouble1 (U_64 * f, IDATA length, KInt e)
}
else if (e > APPROX_MIN_MAGNITUDE)
{
result = toDoubleHighPrecision (f, length) / pow (10.0, (double) -e);
result = toDoubleHighPrecision (f, length) / konan_pow (10.0, (double) -e);
}
if (e <= APPROX_MIN_MAGNITUDE)
{
result = toDoubleHighPrecision (f, length) * pow (10.0, (double) (e + 52));
result = result * pow (10.0, (double) -52);
result = toDoubleHighPrecision (f, length) * konan_pow (10.0, (double) (e + 52));
result = result * konan_pow (10.0, (double) -52);
}