1 | /* |
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2 | * ---------------------------------------------------------------------- |
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3 | * Rappture 2.0 Array1D Object Source |
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4 | * |
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5 | * ====================================================================== |
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6 | * AUTHOR: Derrick Kearney, Purdue University |
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7 | * Copyright (c) 2005-2009 Purdue Research Foundation |
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8 | * |
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9 | * See the file "license.terms" for information on usage and |
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10 | * redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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11 | * ====================================================================== |
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12 | */ |
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13 | |
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14 | #include <limits> |
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15 | #include "RpArray1D.h" |
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16 | |
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17 | using namespace Rappture; |
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18 | |
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19 | const char Array1D::type[] = "RAPPTURE_AXIS_TYPE_IRREGULAR"; |
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20 | const char Array1DUniform::type[] = "RAPPTURE_AXIS_TYPE_UNIFORM"; |
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21 | |
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22 | Array1D::Array1D (const char *path) |
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23 | : _val(SimpleDoubleBuffer()), |
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24 | _min(std::numeric_limits<double>::max()), |
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25 | _max(std::numeric_limits<double>::min()) |
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26 | { |
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27 | this->path(path); |
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28 | this->label(""); |
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29 | this->desc(""); |
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30 | this->units(""); |
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31 | this->scale("linear"); |
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32 | } |
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33 | |
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34 | Array1D::Array1D ( |
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35 | const char *path, |
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36 | double *val, |
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37 | size_t size |
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38 | ) |
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39 | : _val(SimpleDoubleBuffer()), |
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40 | _min(std::numeric_limits<double>::max()), |
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41 | _max(std::numeric_limits<double>::min()) |
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42 | { |
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43 | this->path(path); |
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44 | this->label(""); |
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45 | this->desc(""); |
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46 | this->units(""); |
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47 | this->scale("linear"); |
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48 | append(val,size); |
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49 | } |
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50 | |
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51 | Array1D::Array1D ( |
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52 | const char *path, |
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53 | double *val, |
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54 | size_t size, |
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55 | const char *label, |
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56 | const char *desc, |
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57 | const char *units, |
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58 | const char *scale |
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59 | ) |
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60 | : _val(SimpleDoubleBuffer()), |
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61 | _min(std::numeric_limits<double>::max()), |
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62 | _max(std::numeric_limits<double>::min()) |
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63 | { |
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64 | this->path(path); |
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65 | this->label(label); |
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66 | this->desc(desc); |
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67 | this->units(units); |
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68 | this->scale(scale); |
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69 | append(val,size); |
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70 | } |
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71 | |
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72 | // copy constructor |
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73 | Array1D::Array1D ( const Array1D& o ) |
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74 | : _val(o._val), |
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75 | _min(o._min), |
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76 | _max(o._max) |
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77 | { |
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78 | this->path(o.path()); |
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79 | this->label(o.label()); |
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80 | this->desc(o.desc()); |
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81 | this->units(o.units()); |
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82 | this->scale(o.scale()); |
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83 | } |
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84 | |
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85 | // default destructor |
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86 | Array1D::~Array1D () |
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87 | { |
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88 | // clean up dynamic memory |
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89 | } |
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90 | |
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91 | /**********************************************************************/ |
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92 | // METHOD: append() |
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93 | /// Append value to the axis |
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94 | /** |
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95 | * Append value to the axis object. |
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96 | */ |
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97 | |
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98 | Array1D& |
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99 | Array1D::append( |
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100 | double *val, |
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101 | size_t nmemb) |
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102 | { |
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103 | double nmin = _min; |
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104 | double nmax = _max; |
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105 | |
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106 | for (size_t i = 0; i < nmemb; i++) { |
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107 | if (val[i] < nmin) { |
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108 | nmin = val[i]; |
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109 | } |
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110 | if (val[i] > nmax) { |
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111 | nmax = val[i]; |
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112 | } |
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113 | } |
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114 | |
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115 | _val.append(val,nmemb); |
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116 | |
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117 | _min = nmin; |
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118 | _max = nmax; |
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119 | |
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120 | return *this; |
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121 | } |
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122 | |
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123 | /**********************************************************************/ |
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124 | // METHOD: read() |
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125 | /// Read values from the axis object into a memory location |
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126 | /** |
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127 | * Read values from the axis object into a memory location |
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128 | */ |
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129 | |
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130 | size_t |
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131 | Array1D::read( |
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132 | double *val, |
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133 | size_t nmemb) |
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134 | { |
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135 | return _val.read(val,nmemb); |
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136 | } |
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137 | |
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138 | /**********************************************************************/ |
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139 | // METHOD: nmemb() |
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140 | /// Return the number of members in the axis object |
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141 | /** |
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142 | * Return the number of members in the axis object |
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143 | */ |
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144 | |
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145 | size_t |
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146 | Array1D::nmemb() const |
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147 | { |
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148 | return _val.nmemb(); |
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149 | } |
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150 | |
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151 | /**********************************************************************/ |
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152 | // METHOD: min() |
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153 | /// Return the min value of the object |
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154 | /** |
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155 | * Return the min value of the object |
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156 | */ |
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157 | |
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158 | double |
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159 | Array1D::min() const |
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160 | { |
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161 | return _min; |
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162 | } |
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163 | |
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164 | /**********************************************************************/ |
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165 | // METHOD: max() |
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166 | /// Return the max value of the object |
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167 | /** |
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168 | * Return the max value of the object |
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169 | */ |
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170 | |
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171 | double |
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172 | Array1D::max() const |
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173 | { |
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174 | return _max; |
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175 | } |
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176 | |
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177 | /**********************************************************************/ |
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178 | // METHOD: data() |
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179 | /// Return the actual data pointer |
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180 | /** |
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181 | * Return the actual data pointer |
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182 | */ |
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183 | |
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184 | const double * |
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185 | Array1D::data() const |
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186 | { |
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187 | return _val.bytes(); |
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188 | } |
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189 | |
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190 | // -------------------------------------------------------------------- // |
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191 | |
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