user: Demonstrate the C code that generates the assembly output below:

```asm
<colorMap_rainbow>:
  endbr64
  push   %r15
  push   %r14
  push   %r12
  push   %rbp
  mov    $0x3,%ebp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x10,%rsp
  mulsd  D29(%rip),%xmm0
  addsd  D28(%rip),%xmm0
  movapd %xmm0,%xmm3
  subsd  D67(%rip),%xmm3
  movsd  %xmm0,(%rsp)
  movapd %xmm3,%xmm0
  movq   %xmm3,%r14
  call   <fabs@plt>
  movsd  (%rsp),%xmm1
  subsd  D16(%rip),%xmm1
  mov    %eax,%r12d
  movapd %xmm1,%xmm0
  movsd  %xmm1,0x8(%rsp)
  call   <fabs@plt>
  pxor   %xmm1,%xmm1
  mov    %eax,%r8d
  mov    %ebp,%eax
  movapd %xmm1,%xmm0
  sub    %r12d,%eax
  sub    %r8d,%eax
  cmp    $0xffffffff,%eax
  jl     L5
  movq   %r14,%xmm0
  call   <fabs@plt>
  movsd  0x8(%rsp),%xmm1
  mov    %eax,%r12d
  movapd %xmm1,%xmm0
  sub    %r12d,%ebp
  call   <fabs@plt>
  pxor   %xmm0,%xmm0
  pxor   %xmm1,%xmm1
  sub    %eax,%ebp
  mov    %ebp,%eax
  shr    $0x1f,%eax
  add    %ebp,%eax
  sar    %eax
  cvtsi2sd %eax,%xmm0
L5:
  movsd  (%rsp),%xmm4
  movsd  %xmm0,(%rbx)
  mov    $0x4,%ebp
  subsd  D43(%rip),%xmm4
  movsd  %xmm1,0x8(%rsp)
  movapd %xmm4,%xmm0
  movq   %xmm4,%r15
  call   <fabs@plt>
  movq   %r14,%xmm0
  mov    %eax,%r12d
  call   <fabs@plt>
  movsd  0x8(%rsp),%xmm1
  mov    %eax,%r8d
  mov    %ebp,%eax
  sub    %r12d,%eax
  movapd %xmm1,%xmm0
  sub    %r8d,%eax
  cmp    $0xffffffff,%eax
  jl     L24
  movq   %r15,%xmm0
  call   <fabs@plt>
  movq   %r14,%xmm0
  mov    %eax,%r12d
  call   <fabs@plt>
  sub    %r12d,%ebp
  pxor   %xmm0,%xmm0
  movsd  0x8(%rsp),%xmm1
  sub    %eax,%ebp
  mov    %ebp,%eax
  shr    $0x1f,%eax
  add    %ebp,%eax
  sar    %eax
  cvtsi2sd %eax,%xmm0
L24:
  movsd  (%rsp),%xmm2
  movsd  %xmm0,0x8(%rbx)
  mov    $0x3,%ebp
  subsd  D55(%rip),%xmm2
  movsd  %xmm1,0x8(%rsp)
  movapd %xmm2,%xmm0
  movsd  %xmm2,(%rsp)
  call   <fabs@plt>
  movq   %r15,%xmm0
  mov    %eax,%r12d
  call   <fabs@plt>
  movsd  0x8(%rsp),%xmm1
  mov    %eax,%r8d
  mov    %ebp,%eax
  sub    %r12d,%eax
  movapd %xmm1,%xmm0
  sub    %r8d,%eax
  cmp    $0xffffffff,%eax
  jl     L20
  movsd  (%rsp),%xmm2
  movapd %xmm2,%xmm0
  call   <fabs@plt>
  movq   %r15,%xmm0
  mov    %eax,%r12d
  call   <fabs@plt>
  sub    %r12d,%ebp
  pxor   %xmm0,%xmm0
  movsd  0x8(%rsp),%xmm1
  sub    %eax,%ebp
  mov    %ebp,%eax
  shr    $0x1f,%eax
  add    %ebp,%eax
  sar    %eax
  cvtsi2sd %eax,%xmm0
L20:
  movsd  %xmm0,0x10(%rbx)
  mov    %rbx,%rax
  lea    0x18(%rbx),%rdx
L44:
  movsd  (%rax),%xmm0
  comisd %xmm1,%xmm0
  jbe    L27
  minsd  D55(%rip),%xmm0
L11:
  movsd  %xmm0,(%rax)
  add    $0x8,%rax
  cmp    %rdx,%rax
  jne    L44
  add    $0x10,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax)
L27:
  movapd %xmm1,%xmm0
  jmp    L11
```

tool_calls: name: retrieve_data
arguments: label: D29
data_type: byte[8]
name: retrieve_data
arguments: label: D28
data_type: f64
name: retrieve_data
arguments: label: D67
data_type: f32[2]
name: retrieve_data
arguments: label: D16
data_type: f32[2]
name: retrieve_data
arguments: label: D43
data_type: f64
name: retrieve_data
arguments: label: D55
data_type: f64

tool: {"D29": [0x33,0x33,0x33,0x33,0x33,0x33,0x17,0x40]}

tool: D28: 0.1

tool: {"D67": [0.0,2.25]}

tool: {"D16": [0.0,2.3125]}

tool: D43: 2

tool: D55: 1

assistant: ```c
void colorMap_rainbow(GLfloat fin, GLfloat *fcol) {
  int i;
  GLfloat xmin, xmax;
  GLfloat dx = 0.10;
  GLfloat ga = (6.0 - 2.0 * dx) * fin + dx;
  fcol[0] = ((0) > ((3 - fabs(ga - 4) - fabs(ga - 5)) / 2) ? (0) : ((3 - fabs(ga - 4) - fabs(ga - 5)) / 2));
  fcol[1] = ((0) > ((4 - fabs(ga - 2) - fabs(ga - 4)) / 2) ? (0) : ((4 - fabs(ga - 2) - fabs(ga - 4)) / 2));
  fcol[2] = ((0) > ((3 - fabs(ga - 1) - fabs(ga - 2)) / 2) ? (0) : ((3 - fabs(ga - 1) - fabs(ga - 2)) / 2));
  for (i = 0; i < 3; i++) {
    xmin = ((fcol[i]) > (0.0) ? (fcol[i]) : (0.0));
    fcol[i] = ((xmin) < (1.0) ? (xmin) : (1.0));
  }
}
```