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-rw-r--r--src/CudaReconstructionAlgorithm2D.cpp6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/CudaReconstructionAlgorithm2D.cpp b/src/CudaReconstructionAlgorithm2D.cpp
index d567158..385cef1 100644
--- a/src/CudaReconstructionAlgorithm2D.cpp
+++ b/src/CudaReconstructionAlgorithm2D.cpp
@@ -76,7 +76,7 @@ void CCudaReconstructionAlgorithm2D::_clear()
m_bAlgoInit = false;
CReconstructionAlgorithm2D::_clear();
- m_iGPUIndex = 0;
+ m_iGPUIndex = -1;
m_iDetectorSuperSampling = 1;
m_iPixelSuperSampling = 1;
}
@@ -153,7 +153,7 @@ bool CCudaReconstructionAlgorithm2D::initialize(const Config& _cfg)
}
// GPU number
- m_iGPUIndex = (int)_cfg.self->getOptionNumerical("GPUindex", 0);
+ m_iGPUIndex = (int)_cfg.self->getOptionNumerical("GPUindex", -1);
m_iGPUIndex = (int)_cfg.self->getOptionNumerical("GPUIndex", m_iGPUIndex);
CC.markOptionParsed("GPUindex");
if (!_cfg.self->hasOption("GPUindex"))
@@ -240,7 +240,7 @@ bool CCudaReconstructionAlgorithm2D::_check()
ASTRA_CONFIG_CHECK(m_iDetectorSuperSampling >= 1, "SIRT_CUDA", "DetectorSuperSampling must be a positive integer.");
ASTRA_CONFIG_CHECK(m_iPixelSuperSampling >= 1, "SIRT_CUDA", "PixelSuperSampling must be a positive integer.");
- ASTRA_CONFIG_CHECK(m_iGPUIndex >= 0, "SIRT_CUDA", "GPUIndex must be a non-negative integer.");
+ ASTRA_CONFIG_CHECK(m_iGPUIndex >= -1, "SIRT_CUDA", "GPUIndex must be a non-negative integer.");
// check compatibility between projector and data classes
// ASTRA_CONFIG_CHECK(m_pSinogram->getGeometry()->isEqual(m_pProjector->getProjectionGeometry()), "SIRT_CUDA", "Projection Data not compatible with the specified Projector.");