1 | """ |
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2 | Test plug-in model |
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3 | These are links of available functions: |
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4 | |
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5 | http://docs.python.org/library/math.html |
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6 | http://www.scipy.org/Numpy_Functions_by_Category |
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7 | """ |
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8 | |
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9 | """ |
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10 | ## ***************************************************************************** |
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11 | Please select the 'Compile' from the menubar after the modification and saving. |
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12 | Note that we recommend to save the file as a different file name. |
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13 | Otherwise, it could be removed in the future on re-installation of the SansView. |
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14 | ## ***************************************************************************** |
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15 | """ |
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16 | |
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17 | from sans.models.pluginmodel import Model1DPlugin ##DO NOT CHANGE THIS LINE!!! |
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18 | import math ##DO NOT CHANGE THIS LINE!!! |
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19 | import numpy ##DO NOT CHANGE THIS LINE!!! |
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20 | |
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21 | ##PLEASE READ COMMENTS CAREFULLY !!! COMMENT ARE IN CAPITAL LETTERS AND AFTER ## |
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22 | ## THESE COMMENTS ARE THERE TO GUIDE YOU. YOU CAN REMOVE THEM ONLY WHEN YOU ARE |
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23 | ## CONFORTABLE ENOUGH WITH OUR MODEL PLUGIN OPTION |
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24 | |
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25 | |
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26 | ## <----- SIGN DEFINES WHERE YOU CAN MODIFY THE CODE |
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27 | |
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28 | class Model(Model1DPlugin): ##DO NOT CHANGE THIS LINE!!! |
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29 | """ |
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30 | ##YOU CAN BE MODIFY ANYTHING BETWEEN """ """ |
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31 | ##DESCRIPTION OF MODEL PLUG-IN GOES HERE |
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32 | |
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33 | ##EXAMPLE: Class that evaluates a polynomial model. |
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34 | """ |
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35 | ## YOU CAN MODIFY THE LINE BELLOW. CHANGE ONLY WORDS BETWEEN " " |
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36 | ## TO RENAME YOUR MODEL |
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37 | name = "sin(poly)/(poly)" ## <----- NAME OF THE MODEL |
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38 | |
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39 | def __init__(self): ##DO NOT CHANGE THIS LINE!!! |
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40 | """ |
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41 | Initialization |
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42 | """ |
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43 | Model1DPlugin.__init__(self, name=self.name) ##DO NOT CHANGE THIS LINE!!! |
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44 | |
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45 | ## EDIT PARAMETERS' NAMES AND VALUE |
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46 | ## DELETE MODIFIABLE LINE HERE WILL REDUCE THE NUMBER OF PARAMETERS |
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47 | self.params = {} ##DO NOT CHANGE THIS LINE!!! |
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48 | |
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49 | ## YOU CAN MODIFY THE LINE BELLOW.CHANGE WORD BETWEEN ' ' AND NUMBER |
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50 | ## YOU CAN ALSO DELETE THIS LINE |
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51 | self.params['scale'] = 1.0 ## <----- |
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52 | ## YOU CAN MODIFY THE LINE BELLOW.CHANGE WORD BETWEEN ' ' AND NUMBER |
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53 | ## YOU CAN ALSO DELETE THIS LINE |
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54 | self.params['A'] = 0.0 ## <----- |
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55 | ## YOU CAN MODIFY THE LINE BELLOW.CHANGE WORD BETWEEN ' ' AND NUMBER |
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56 | ## YOU CAN ALSO DELETE THIS LINE |
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57 | self.params['B'] = 10.0 ## <----- |
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58 | ## YOU CAN MODIFY THE LINE BELLOW.CHANGE WORD BETWEEN ' ' AND NUMBER |
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59 | ## YOU CAN ALSO DELETE THIS LINE |
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60 | self.params['C'] = 0.0 ## <----- |
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61 | ## YOU CAN MODIFY THE LINE BELLOW.CHANGE WORD BETWEEN ' ' AND NUMBER |
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62 | ## YOU CAN ALSO DELETE THIS LINE |
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63 | self.params['D'] = 0.0 ## <----- |
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64 | ## YOU CAN MODIFY THE LINE BELLOW.CHANGE WORD BETWEEN ' ' AND NUMBER |
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65 | ## YOU CAN ALSO DELETE THIS LINE |
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66 | self.params['E'] = 0.0 ## <----- |
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67 | ## YOU CAN MODIFY THELINE BELLOW.CHANGE WORD BETWEEN ' ' AND NUMBER |
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68 | ## YOU CAN ALSO DELETE THIS LINE |
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69 | self.params['F'] = 0.0 ## <----- |
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70 | |
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71 | ## STORING PARAMETERS [UNIT, MINIMUM VALUE, MAXIMUM VALUE] |
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72 | self.details = {} ##DO NOT CHANGE THIS LINE!!! |
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73 | ## YOU CAN MODIFY THE LINE BELLOW.CHANGE WORD BETWEEN ' ',WORD BETWEEN |
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74 | ## ' ', TWO OTHER NUMBESR TO NEW VALUE OR YOU CAN ALSO DELETE TH LINE |
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75 | self.details['scale'] = ['',None, None] ## <----- |
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76 | ## YOU CAN MODIFY THE LINE BELLOW.CHANGE WORD BETWEEN ' ',WORD BETWEEN |
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77 | ## ' ', TWO OTHER NUMBERS TO NEW VALUE OR YOU CAN ALSO DELETE TH LINE |
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78 | self.details['A'] = ['', None, None] ## <----- |
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79 | ## YOU CAN MODIFY THE LINE BELLOW.CHANGE WORD BETWEEN ' ',WORD BETWEEN |
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80 | ## ' ', TWO OTHER NUMBERS TO NEW VALUE OR YOU CAN ALSO DELETE TH LINE |
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81 | self.details['B'] = ['', None, None] ## <----- |
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82 | ## YOU CAN MODIFY THE LINE BELLOW.CHANGE WORD BETWEEN ' ',WORD BETWEEN |
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83 | ## ' ', TWO OTHER NUMBERS TO NEW VALUE OR YOU CAN ALSO DELETE TH LINE |
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84 | self.details['C'] = ['', None, None] ## <----- |
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85 | ## YOU CAN MODIFY THE LINE BELLOW.CHANGE WORD BETWEEN ' ',WORD BETWEEN |
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86 | ## ' ', TWO OTHER NUMBERS TO NEW VALUE OR YOU CAN ALSO DELETE TH LINE |
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87 | self.details['D'] = ['', None, None] ## <----- |
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88 | ## YOU CAN MODIFY THE LINE BELLOW.CHANGE WORD BETWEEN ' ',WORD BETWEEN |
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89 | ## ' ', TWO OTHER NUMBERS TO NEW VALUE OR YOU CAN ALSO DELETE TH LINE |
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90 | self.details['E'] = ['', None, None] ## <----- |
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91 | ## YOU CAN MODIFY THE LINE BELLOW.CHANGE WORD BETWEEN ' ',WORD BETWEEN |
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92 | ## ' ', TWO OTHER NUMBERS TO NEW VALUE OR YOU CAN ALSO DELETE TH LINE |
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93 | self.details['F'] = ['', 0, 1e16] ## <----- |
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94 | ## YOU CAN MODIFY THE LINE BELLOW.MODIFY WORDS BETWEEN """ """ ONLY!!!! |
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95 | self.description = """ |
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96 | scale * sin(F(x)/F(x)) \n where F(x)=A+B*x+C*x^2+D*x^3+E*x^4+F*x^5 |
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97 | """ ## <----- |
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98 | |
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99 | def function(self, x = 0.0): ##DO NOT CHANGE THIS LINE!!! |
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100 | """ |
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101 | Evaluate the model |
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102 | |
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103 | :param x: input x |
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104 | |
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105 | :return: function value |
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106 | |
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107 | """ |
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108 | ## ADD YOUR FUNCTION HERE. |
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109 | ## REUSE THE PARAMETERS DEFINED PREVIOUSLY TO WRITE YOUR FUNCTION. |
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110 | |
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111 | ## IN THIS EXAMPLE THE FUNTION IS: |
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112 | ## scale * sin(F(x)/F(x)) \n where F(x)=A+B*x+C*x^2+D*x^3+E*x^4+F*x^5 |
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113 | |
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114 | ## YOU CAN REWRITE OUR EXAMPLE WITH EVERYTING INSIDE " " : |
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115 | ## "RETURN self.params['scale']* (self.params['A'] + self.params['B']*x + \ |
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116 | ## self.params['C']* pow(x,2) + self.params['D']*pow(x,3)+\ |
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117 | ## self.params['E']*pow(x,4) +self.params['F']*pow(x,5) ) " |
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118 | |
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119 | ## NOTE: pow IS A FUNCTION IMPORTED FROM PYTHON MATH LIBRARY |
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120 | ## FOR MORE INFORMATION CHECK http://docs.python.org/library/math.html |
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121 | ## OTHER FUNCTIONS ARE ALSO |
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122 | ### AVAILABLE http://www.scipy.org/Numpy_Functions_by_Category |
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123 | ## numpy FUNCTIONS ARE FOR EXPERT USER |
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124 | |
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125 | |
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126 | ## YOU CAN ERASE EVERYTHING BELLOW FOR YOUR OWN FUNCTION |
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127 | #Redefine parameters as local parameters |
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128 | a = self.params['A'] ## <----- |
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129 | b = self.params['B'] ## <----- |
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130 | c = self.params['C'] ## <----- |
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131 | d = self.params['D'] ## <----- |
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132 | e = self.params['E'] ## <----- |
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133 | f = self.params['F'] ## <----- |
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134 | scl = self.params['scale'] ## <----- |
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135 | ##THIS OUR FUNCTION TEMPLATE |
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136 | poly = a + b*x + c*math.pow(x,2) + d*math.pow(x,3) \ |
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137 | + e*math.pow(x,4) +f*math.pow(x,5) ## <----- |
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138 | |
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139 | #Remove a singular point (lim poly --> 0) for sin(poly)/poly |
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140 | #(Just note: In Python, indentation defines the belongings of 'if', 'for', and so on..) |
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141 | if poly == 0: ## <----- |
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142 | result = 1 ## <----- |
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143 | else: ## <----- |
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144 | result = math.sin(poly)/poly ## <----- |
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145 | |
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146 | #Re-scale ## <----- |
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147 | result *=scl ## <----- |
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148 | |
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149 | return result ## MODIFY ONLY RESULT. DON'T DELETE RETURN!!!! |
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150 | |
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151 | ## DO NOT MODIFY THE FOLLOWING LINES!!!!!!!!!!!!!!!! |
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152 | if __name__ == "__main__": |
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153 | m= Model() |
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154 | out1 = m.runXY(0.0) |
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155 | out2 = m.runXY(0.01) |
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156 | isfine1 = numpy.isfinite(out1) |
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157 | isfine2 = numpy.isfinite(out2) |
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158 | print "Testing the value at Q = 0.0:" |
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159 | print out1, " : finite? ", isfine1 |
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160 | print "Testing the value at Q = 0.01:" |
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161 | print out2, " : finite? ", isfine2 |
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162 | if isfine1 and isfine2: |
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163 | print "===> Simple Test: Passed!" |
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164 | else: |
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165 | print "===> Simple Test: Failed!" |
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