glMap1d

// OPENGL32.dll
#include <windows.h>

void glMap1d(
    DWORD target,
    DOUBLE u1,
    DOUBLE u2,
    INT stride,
    INT order,
    const DOUBLE* points
);

<DllImport("OPENGL32.dll", ExactSpelling:=True)>
Public Shared Sub glMap1d(
    target As UInteger,   ' DWORD
    u1 As Double,   ' DOUBLE
    u2 As Double,   ' DOUBLE
    stride As Integer,   ' INT
    order As Integer,   ' INT
    ByRef points As Double   ' DOUBLE*
)
End Sub

' target : DWORD
' u1 : DOUBLE
' u2 : DOUBLE
' stride : INT
' order : INT
' points : DOUBLE*
Declare PtrSafe Sub glMap1d Lib "opengl32" ( _
    ByVal target As Long, _
    ByVal u1 As Double, _
    ByVal u2 As Double, _
    ByVal stride As Long, _
    ByVal order As Long, _
    ByRef points As Double)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

glMap1d = ctypes.windll.opengl32.glMap1d
glMap1d.restype = None
glMap1d.argtypes = [
    wintypes.DWORD,  # target : DWORD
    ctypes.c_double,  # u1 : DOUBLE
    ctypes.c_double,  # u2 : DOUBLE
    ctypes.c_int,  # stride : INT
    ctypes.c_int,  # order : INT
    ctypes.POINTER(ctypes.c_double),  # points : DOUBLE*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OPENGL32.dll')
glMap1d = Fiddle::Function.new(
  lib['glMap1d'],
  [
    -Fiddle::TYPE_INT,  # target : DWORD
    Fiddle::TYPE_DOUBLE,  # u1 : DOUBLE
    Fiddle::TYPE_DOUBLE,  # u2 : DOUBLE
    Fiddle::TYPE_INT,  # stride : INT
    Fiddle::TYPE_INT,  # order : INT
    Fiddle::TYPE_VOIDP,  # points : DOUBLE*
  ],
  Fiddle::TYPE_VOID)

#[link(name = "opengl32")]
extern "system" {
    fn glMap1d(
        target: u32,  // DWORD
        u1: f64,  // DOUBLE
        u2: f64,  // DOUBLE
        stride: i32,  // INT
        order: i32,  // INT
        points: *const f64  // DOUBLE*
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("OPENGL32.dll")]
public static extern void glMap1d(uint target, double u1, double u2, int stride, int order, ref double points);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OPENGL32_glMap1d' -Namespace Win32 -PassThru
# $api::glMap1d(target, u1, u2, stride, order, points)

#uselib "OPENGL32.dll"
#func global glMap1d "glMap1d" sptr, double, double, sptr, sptr, sptr
; glMap1d target, u1, u2, stride, order, varptr(points)
; target : DWORD -> "sptr"
; u1 : DOUBLE -> "double"
; u2 : DOUBLE -> "double"
; stride : INT -> "sptr"
; order : INT -> "sptr"
; points : DOUBLE* -> "sptr"

#uselib "OPENGL32.dll"
#func global glMap1d "glMap1d" int, double, double, int, int, var
; glMap1d target, u1, u2, stride, order, points
; target : DWORD -> "int"
; u1 : DOUBLE -> "double"
; u2 : DOUBLE -> "double"
; stride : INT -> "int"
; order : INT -> "int"
; points : DOUBLE* -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; void glMap1d(DWORD target, DOUBLE u1, DOUBLE u2, INT stride, INT order, DOUBLE* points)
#uselib "OPENGL32.dll"
#func global glMap1d "glMap1d" int, double, double, int, int, var
; glMap1d target, u1, u2, stride, order, points
; target : DWORD -> "int"
; u1 : DOUBLE -> "double"
; u2 : DOUBLE -> "double"
; stride : INT -> "int"
; order : INT -> "int"
; points : DOUBLE* -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

import (
	"math"
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	opengl32 = windows.NewLazySystemDLL("OPENGL32.dll")
	procglMap1d = opengl32.NewProc("glMap1d")
)

// target (DWORD), u1 (DOUBLE), u2 (DOUBLE), stride (INT), order (INT), points (DOUBLE*)
r1, _, err := procglMap1d.Call(
	uintptr(target),
	uintptr(math.Float64bits(u1)),
	uintptr(math.Float64bits(u2)),
	uintptr(stride),
	uintptr(order),
	uintptr(points),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void
// 注意: float/double 引数は proc.Call では XMM レジスタに渡せません。
// windows.SyscallN(proc.Addr(), math.Float64bits(x), ...) もしくは cgo を使用してください。

procedure glMap1d(
  target: DWORD;   // DWORD
  u1: Double;   // DOUBLE
  u2: Double;   // DOUBLE
  stride: Integer;   // INT
  order: Integer;   // INT
  points: Pointer   // DOUBLE*
); stdcall;
  external 'OPENGL32.dll' name 'glMap1d';

result := DllCall("OPENGL32\glMap1d"
    , "UInt", target   ; DWORD
    , "Double", u1   ; DOUBLE
    , "Double", u2   ; DOUBLE
    , "Int", stride   ; INT
    , "Int", order   ; INT
    , "Ptr", points   ; DOUBLE*
    , "Int")   ; return: void

●glMap1d(target, u1, u2, stride, order, points) = DLL("OPENGL32.dll", "int glMap1d(dword, double, double, int, int, void*)")
# 呼び出し: glMap1d(target, u1, u2, stride, order, points)
# target : DWORD -> "dword"
# u1 : DOUBLE -> "double"
# u2 : DOUBLE -> "double"
# stride : INT -> "int"
# order : INT -> "int"
# points : DOUBLE* -> "void*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。