Update CoolProp.jl

Small speed enhancement for low level interface
This commit is contained in:
JonWel
2015-03-17 12:34:18 +01:00
parent 5f07899c84
commit 16a75883a8

View File

@@ -35,15 +35,17 @@ function PropsSI(FluidName::String, Output::String)
end
function PhaseSI(Name1::String, Value1::Number, Name2::String, Value2::Number, Fluid::String)
outstring = Array(UInt8, 255)
val = ccall( (:PhaseSI, "CoolProp"), Int32, (Ptr{UInt8},Float64,Ptr{UInt8},Float64,Ptr{UInt8}, Ptr{UInt8}, Int), Name1,Value1,Name2,Value2,Fluid,outstring,length(outstring))
len = 255
outstring = Array(UInt8, len)
val = ccall( (:PhaseSI, "CoolProp"), Int32, (Ptr{UInt8},Float64,Ptr{UInt8},Float64,Ptr{UInt8}, Ptr{UInt8}, Int), Name1,Value1,Name2,Value2,Fluid,outstring,len)
return bytestring(convert(Ptr{UInt8}, pointer(outstring)))
end
# This function returns the output string in pre-allocated char buffer. If buffer is not large enough, no copy is made
function get_global_param_string(Key::String)
Outstring = Array(UInt8, 255)
val = ccall( (:get_global_param_string, "CoolProp"), Clong, (Ptr{UInt8},Ptr{UInt8},Int), Key,Outstring,length(Outstring))
len = 255
Outstring = Array(UInt8, len)
val = ccall( (:get_global_param_string, "CoolProp"), Clong, (Ptr{UInt8},Ptr{UInt8},Int), Key,Outstring,len)
return bytestring(convert(Ptr{UInt8}, pointer(Outstring)))
end
@@ -72,7 +74,7 @@ end
# ---------------------------------
errcode = Ref{Clong}(0)
buffer_length = 255
const buffer_length = 255
message_buffer = Array(UInt8, buffer_length)
# Generate an AbstractState instance, return an integer handle to the state class generated to be used in the other low-level accessor functions
@@ -80,7 +82,7 @@ message_buffer = Array(UInt8, buffer_length)
# param fluids '&' delimited list of fluids
# return A handle to the state class generated
function AbstractState_factory(backend::String, fluids::String)
AbstractState = ccall( (:AbstractState_factory, "CoolProp"), Clong, (Ptr{UInt8},Ptr{UInt8},Ref{Clong},Ptr{UInt8},Clong), backend,fluids,errcode,message_buffer,buffer_length)
AbstractState = ccall( (:AbstractState_factory, "CoolProp"), Clong, (Ptr{UInt8},Ptr{UInt8},Ref{Clong},Ptr{UInt8},Clong), backend,fluids,errcode,message_buffer::Array{Uint8,1},buffer_length)
if errcode[] != 0
if errcode[] == 1
error("CoolProp: ", bytestring(convert(Ptr{UInt8}, pointer(message_buffer))))
@@ -96,7 +98,7 @@ end
# Release a state class generated by the low-level interface wrapper
# param handle The integer handle for the state class stored in memory
function AbstractState_free(handle::Clong)
ccall( (:AbstractState_free, "CoolProp"), Void, (Clong,Ref{Clong},Ptr{UInt8},Clong), handle,errcode,message_buffer,buffer_length)
ccall( (:AbstractState_free, "CoolProp"), Void, (Clong,Ref{Clong},Ptr{UInt8},Clong), handle,errcode,message_buffer::Array{Uint8,1},buffer_length)
if errcode[] != 0
if errcode[] == 1
error("CoolProp: ", bytestring(convert(Ptr{UInt8}, pointer(message_buffer))))
@@ -113,7 +115,7 @@ end
# param handle The integer handle for the state class stored in memory
# param fractions The array of fractions
function AbstractState_set_fractions(handle::Clong,fractions::Array)
ccall( (:AbstractState_set_fractions, "CoolProp"), Void, (Clong,Ptr{Cdouble},Clong,Ref{Clong},Ptr{UInt8},Clong), handle,fractions,length(fractions),errcode,message_buffer,buffer_length)
ccall( (:AbstractState_set_fractions, "CoolProp"), Void, (Clong,Ptr{Cdouble},Clong,Ref{Clong},Ptr{UInt8},Clong), handle,fractions,length(fractions),errcode,message_buffer::Array{Uint8,1},buffer_length)
if errcode[] != 0
if errcode[] == 1
error("CoolProp: ", bytestring(convert(Ptr{UInt8}, pointer(message_buffer))))
@@ -132,7 +134,7 @@ end
# param value1 The first input value
# param value2 The second input value
function AbstractState_update(handle::Clong,input_pair::Clong,value1::Number,value2::Number)
ccall( (:AbstractState_update, "CoolProp"), Void, (Clong,Clong,Cdouble,Cdouble,Ref{Clong},Ptr{UInt8},Clong), handle,input_pair,value1,value2,errcode,message_buffer,buffer_length)
ccall( (:AbstractState_update, "CoolProp"), Void, (Clong,Clong,Cdouble,Cdouble,Ref{Clong},Ptr{UInt8},Clong), handle,input_pair,value1,value2,errcode,message_buffer::Array{Uint8,1},buffer_length)
if errcode[] != 0
if errcode[] == 1
error("CoolProp: ", bytestring(convert(Ptr{UInt8}, pointer(message_buffer))))
@@ -149,7 +151,7 @@ end
# param handle The integer handle for the state class stored in memory
# param param The integer value for the parameter you want
function AbstractState_keyed_output(handle::Clong, param::Clong)
output = ccall( (:AbstractState_keyed_output, "CoolProp"), Cdouble, (Clong,Clong,Ref{Clong},Ptr{UInt8},Clong), handle,param,errcode,message_buffer,buffer_length)
output = ccall( (:AbstractState_keyed_output, "CoolProp"), Cdouble, (Clong,Clong,Ref{Clong},Ptr{UInt8},Clong), handle,param,errcode,message_buffer::Array{Uint8,1},buffer_length)
if errcode[] != 0
if errcode[] == 1
error("CoolProp: ", bytestring(convert(Ptr{UInt8}, pointer(message_buffer))))