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impl missing float funcs that were documented but not implemented

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This commit is contained in:
Richard Holland
2022-05-30 10:17:19 +00:00
parent 26f6f21635
commit 869b66f06f
3 changed files with 91 additions and 5 deletions
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6
src/ripple/app/hook/Enum.h
View File

@@ -214,7 +214,9 @@ namespace hook_api
PREVIOUS_FAILURE_PREVENTS_RETRY = -35,
TOO_MANY_PARAMS = -36,
INVALID_TXN = -37,
RESERVE_INSUFFICIENT = -38 // setting a new state object would exceed account reserve
RESERVE_INSUFFICIENT = -38, // setting a new state object would exceed account reserve
COMPLEX_NOT_SUPPORTED = -39
};
enum ExitType : uint8_t
@@ -260,6 +262,8 @@ namespace hook_api
"float_sto",
"float_sto_set",
"float_sum",
"float_log",
"float_root",
"fee_base",
"_g",
"hook_account",

4
src/ripple/app/hook/applyHook.h
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@@ -151,6 +151,8 @@ namespace hook_api
DECLARE_HOOK_FUNCTION(int64_t, float_sign, int64_t float1 );
DECLARE_HOOK_FUNCTION(int64_t, float_sign_set, int64_t float1, uint32_t negative );
DECLARE_HOOK_FUNCTION(int64_t, float_int, int64_t float1, uint32_t decimal_places, uint32_t abs );
DECLARE_HOOK_FUNCTION(int64_t, float_log, int64_t float1 );
DECLARE_HOOK_FUNCTION(int64_t, float_root, int64_t float1, uint32_t n );
DECLARE_HOOK_FUNCTION(int64_t, hook_account, uint32_t write_ptr, uint32_t write_len );
DECLARE_HOOK_FUNCTION(int64_t, hook_hash, uint32_t write_ptr, uint32_t write_len, int32_t hook_no );
@@ -563,6 +565,8 @@ namespace hook
ADD_HOOK_FUNCTION(float_sign, ctx);
ADD_HOOK_FUNCTION(float_sign_set, ctx);
ADD_HOOK_FUNCTION(float_int, ctx);
ADD_HOOK_FUNCTION(float_log, ctx);
ADD_HOOK_FUNCTION(float_root, ctx);
ADD_HOOK_FUNCTION(otxn_burden, ctx);
ADD_HOOK_FUNCTION(otxn_generation, ctx);

86
src/ripple/app/hook/impl/applyHook.cpp
View File

@@ -3893,21 +3893,33 @@ DEFINE_HOOK_FUNCTION(
return CANT_RETURN_NEGATIVE;
while (exp1 > -decimal_places)
int32_t dp = -((int32_t)decimal_places);
while (exp1 > dp && man1 < maxMantissa)
{
printf("while (exp1 %d > dp %d) \n", exp1, dp);
man1 *= 10;
exp1--;
}
while (exp1 < -decimal_places)
if (exp1 > dp)
return OVERFLOW;
while (exp1 < dp && man1 > 0)
{
printf("while (exp1 %d < dp %d) \n", exp1, dp);
man1 /= 10;
exp1++;
}
if (((int64_t)(man1)) < man1)
int64_t man_out = man1;
if (man_out < 0)
return INVALID_ARGUMENT;
if (man_out < man1)
return INVALID_FLOAT;
return man1;
return man_out;
}
@@ -4437,6 +4449,72 @@ DEFINE_HOOK_FUNCTION(
return set_mantissa(float1, mantissa);
}
DEFINE_HOOK_FUNCTION(
int64_t,
float_log,
int64_t float1 )
{
RETURN_IF_INVALID_FLOAT(float1);
if (float1 == 0) return INVALID_ARGUMENT;
uint64_t man1 = get_mantissa(float1);
int32_t exp1 = get_exponent(float1);
if (is_negative(float1))
return COMPLEX_NOT_SUPPORTED;
double result = log10(man1);
result += exp1;
if (result == 0)
return 0;
int32_t exp_out = 0;
while (result * 10 < maxMantissa)
{
result *= 10;
exp_out--;
}
return make_float((int64_t)result, exp_out);
}
DEFINE_HOOK_FUNCTION(
int64_t,
float_root,
int64_t float1, uint32_t n)
{
RETURN_IF_INVALID_FLOAT(float1);
if (float1 == 0) return 0;
if (n < 2)
return INVALID_ARGUMENT;
uint64_t man1 = get_mantissa(float1);
int32_t exp1 = get_exponent(float1);
if (is_negative(float1))
return COMPLEX_NOT_SUPPORTED;
double result = pow(man1, 1.0/((double)(n)));
if (exp1 != 0)
result *= pow(1, ((double)(exp1))/((double)(n)));
if (result == 0)
return 0;
int32_t exp_out = 0;
while (result * 10 < maxMantissa)
{
result *= 10;
exp_out--;
}
return make_float((int64_t)result, exp_out);
}
DEFINE_HOOK_FUNCTION(
int64_t,
hook_param,